SAM2 Product Manual V1.03

VERSION V1.03

SAM2V3 Product Manual V1.03 2

Table of contents 1. SAM2 - Typical Network System Diagram.......................................................................................................................................... 4 2. SAM2 – General ................................................................................................................................................................................. 5 3. Front Panel (LCD) Display .................................................................................................................................................................. 5

Alarm Status: ................................................................................................................................................................................... 5 1. Environmental: ...................................................................................................................................................................... 5 2. Generators: ........................................................................................................................................................................... 5 3. Diagnostics: .......................................................................................................................................................................... 6 4. Electrical: .............................................................................................................................................................................. 6

1. SAM2 - Main Control Unit ............................................................................................................................................................ 8 2. SAM2 - Aircon Control Switch...................................................................................................................................................... 8 3. SAM2 – Temperature Sensors .................................................................................................................................................... 9 4. SAM2 – Humidity and Room Temperature Sensor ................................................................................................................... 10 5. SAM2 – Mains, Phase and Frequency Monitor ......................................................................................................................... 11 6. SAM2 – AC-type Navigation Light Monitor ................................................................................................................................ 12 7. SAM2 – DC-type Navigation Light Monitor ................................................................................................................................ 13 8. SAM2 – Battery and Current Monitor ......................................................................................................................................... 14

» Current Measurement Probe .................................................................................................................................................. 14 » Supply Voltage Measurement ................................................................................................................................................ 15

9. SAM2 – NAV2 (DC Navigation Light System) ........................................................................................................................... 16 10. SAM2 – Utility Interface Module................................................................................................................................................. 18 11. SAM2 – Sensor and Actuator Kit ............................................................................................................................................... 20

a) Smoke Detector .................................................................................................................................................................. 20 b) Cabin and Generator Door Switches .................................................................................................................................. 21 Cabin Door Switch ......................................................................................................................................................................... 21 Battery Cabin Door Switch ............................................................................................................................................................ 21 BBS (Battery Backup System) Door Switch .................................................................................................................................. 22 Generator Door Switches .............................................................................................................................................................. 22 c) Movement Sensor............................................................................................................................................................... 22 d) Panic Button ....................................................................................................................................................................... 23

12. SAM2 – Free Cooling Ventilation System .................................................................................................................................. 24 1. Inlet Louver Assembly ........................................................................................................................................................ 24 2. Active Electronic Inlet Door Filter ....................................................................................................................................... 25 3. Outlet Louver Assembly...................................................................................................................................................... 26 4. DC Ventilation Fan.............................................................................................................................................................. 27

13. SAM2 – Generator Controller .................................................................................................................................................... 28 1. SAM2_CTL Primary Control Circuit .................................................................................................................................... 29 2. SAM2_GEN Secondary Control Circuit .............................................................................................................................. 29 3. Minimum set of connections to monitor/control a generator ............................................................................................... 30 4. Single and dual generator starting sequence ..................................................................................................................... 30

14. SAM2 – Fuel Management ........................................................................................................................................................ 32 1. Fuel Probe .......................................................................................................................................................................... 32 2. Fuel tank lid switch ............................................................................................................................................................. 32 3. Water in diesel probe .......................................................................................................................................................... 32 1. Fuel Probe .......................................................................................................................................................................... 33 2. Bulk Fuel Tank Lid Kit ......................................................................................................................................................... 33 3. Fuel Tank Diesel in Water Detection Probe ....................................................................................................................... 34

15. SAM2 – Hybrid Control (EPCC) ................................................................................................................................................. 35 1. EPCC Activation and Deactivation Logic ............................................................................................................................ 35 2. Generator Start/Stopping Sequence during EPCC ............................................................................................................ 36

16. SAM2 – Mobile Phone SMS Commands ................................................................................................................................... 37 17. Rectifier Default Hybrid Configuration ....................................................................................................................................... 39

1. Battery Technologies – SM65 ............................................................................................................................................ 39 2. SAAB Grintek GT305-1 ...................................................................................................................................................... 39 3. SAAB Grintek FP412-41 ..................................................................................................................................................... 40 4. Ericsson PBC6500.............................................................................................................................................................. 40 5. Ericsson PBC04.................................................................................................................................................................. 40 6. Emerson Hybrid (model dependant) ................................................................................................................................... 41

18. ITMS – Communications Control Unit ............................................................................................................................................ 42 18.1 Communications Controller – GSM Module .............................................................................................................................. 42 18.2 Communications Controller – TCP/IP Main Controller .............................................................................................................. 43 18.3 Communications Controller – Rectifier Management ............................................................................................................... 43 18.4 Communications Controller – Generator AMF RS232 Management ........................................................................................ 44 18.5 Communications Controller – Fuel Cell Management or Web CAM ......................................................................................... 44 18.6 Communications Controller – 8-Way RS232 Port (SP8) .......................................................................................................... 45 18.7 Peripheral Communications ...................................................................................................................................................... 45

19. ITMS2 – Access Control Unit ..................................................................................................................................................... 46 19.1 Access Control Unit – Main Controller ...................................................................................................................................... 46 19.2 Access Control Unit – Proximity Readers ................................................................................................................................. 46 19.3 Access Control Unit – Fail Secure Door Locking Mechanism ................................................................................................... 46

1. Door Failsafe Override (For fail secure lock) ...................................................................................................................... 47


19.4 Access Control Unit – Fail Safe Door Locking Mechanism ....................................................................................................... 47 2. Door Failsafe Override (For fail safe lock) .......................................................................................................................... 47

19.5 Exit Button ................................................................................................................................................................................. 48 19.6 Entry Sensor Bypass................................................................................................................................................................. 49 19.7 Access Control Unit – Communications Port ............................................................................................................................ 49

20. DVR – Set-up ............................................................................................................................................................................. 50 1 Connecting the DVR Unit .............................................................................................................................................................. 50 2 Change the IP setting on your laptop/computer into range of the DVR Unit ................................................................................. 50 3 Connecting to the DVR Unit via LAN ............................................................................................................................................. 50 4 Login to the DVR Unit .................................................................................................................................................................... 50 5 Changing the IP address of the DVR Unit ..................................................................................................................................... 50 21. SAM2 – Wiring Diagrams ........................................................................................................................................................... 51

1. SAM2_CTL Controller Unit – PCB Layout .......................................................................................................................... 51 2. SAM2_CTU Cable Termination Unit – Krone Block Wiring Termination ............................................................................ 52 3. SAM2_CTU Cable Termination Unit – PCB Layout ........................................................................................................... 53 4. RBS Alarm Output Module ................................................................................................................................................. 54 4.1 Ericsson RBS2106 and 2107 External Alarm Inputs .......................................................................................................... 55 4.2 Siemens BS-240XL External Alarm Inputs ......................................................................................................................... 55 4.3 Huawei RBS2106 and 2107 External Alarm Inputs ............................................................................................................ 56 4.4 Alcatel External Alarm Inputs.............................................................................................................................................. 56 5. Utility Interface Module (UIM) – PCB Layout ...................................................................................................................... 57 6. SAM2_GEN Generator Control Unit – PCB Layout ............................................................................................................ 58 7. SAM2_GTU Generator Cable Termination Unit – PCB Layout .......................................................................................... 59

22. SAM2 – Schematic Diagrams .................................................................................................................................................... 60 1. SAM2 Main Control Unit DC Power Distribution ................................................................................................................. 60 2. DC Ventilation Free Cooling System – Indoor Sites ........................................................................................................... 61 3. Serial RS485 Communications ........................................................................................................................................... 62 4. Commercial Mains Utility Management .............................................................................................................................. 63 5. Generator Management ..................................................................................................................................................... 64


1. SAM2 - Typical Network System Diagram


2. SAM2 – General A telecommunications service provider’s wealth is directly proportional to the effectiveness of his network. SAM2 is a highly cost-effective cellular BTS asset management system designed to assist the customer to maximize revenue from his network assets. Real-time alarm events will help the customer to rectify malfunctions before they become service-affecting and alarm status reporting will allow the customer to respond to emergencies as they occur. The SAM2 is housed in a metal enclosure, standard 19” width and 300mm deep. The height is 1 units and comprises of the following items: » SAM2 Main Control Unit » GSM SMS Communications Module » Mains Utility Meter Communications Module » RBS Alarm Output Module » SAM2 Cable Termination Unit » Generator Control Unit » Generator Cable Termination Unit

The SAM2 is designed with the emphasis on assisting the technician on site by reducing the amount of time spent when commissioning or maintaining the site. The system is also highly expandable and user friendly, making provision for advanced features that include: » Near Real time management through SMS/GPRS alarm

and event management. Remote configuration through GSM data call or GPRS connection.

» Generator monitoring and control » Generator mobility tracking » Generator bulk fuel tank capacity monitoring » Remote Generator AMF panel reset » Commercial Power Pre-paid credit token management » Commercial Post-paid power consumption management » Remote firmware upgrading » On-line FIFO alarm log » Battery bank supply voltage monitoring (both 24/48Vdc) » Battery charge and discharge current monitoring » Monitoring of cabin temperature and humidity » Monitoring and control of air conditioning system » Monitoring of Tower Navigation Lights (both AC or DC) » Monitoring of commercial or generator Mains, Phase and

Frequency supply input » Intelligent generator and air conditioner control through

EPCC mode (energy conservation control). » Intelligent free-cooling ventilation system including

electronic monitored air inlet filter » Important operating parameters (configuration data) /

variables can be modified remotely. » Management platform multi user password protection

prevents unauthorized log-on, though secure user groups. 3. Front Panel (LCD) Display LCD alphanumeric display: Will in default state normally display time (24 hour) and the active alarm count (number of active alarms at that point in time)

Menu Structure: The SAM2 front panel LCD display consists of the following main menus: » Alarm Status » Environmental » Generators » Diagnostic » Electrical To enter any main menus from the default display, press the down arrow key. Use the left and right arrow keys to scroll to the relevant menu to be viewed. Once found press the down arrow key to enter the sub menus pertaining to the main menu. Any action to be performed, such as clearing of history alarms, would require pressing the center key (enter). To return from a submenu to the main menus, press the up arrow key. Alternatively the LCD could be left in the submenu for a timeout period of five minutes, before it automatically returns to the default display. Alarm Status:

» View Alarms » Reset Alarms

The Alarm View sub menu indicates the current active alarm inputs, alarm reference number and description. The Reset Alarms sub menu enables the user to reset all active alarm input states, thereby clearing alarm history. The alarms are reset by pressing the enter button (center) 1. Environmental:

» Temperatures » Aircon Stats » Swap Aircons » Reset Aircons » Humidity

The Temperatures sub menu indicates the current temperature of aicon 1 vent, aircon 2 vent, aircon 3 vent, aircon 4 vent and the room temperature (note, a special firmware version is required to control more than 2 aircon units) The Aircon Stats sub menu indicates the total operational run time of the selected air conditioner unit, as well as the last service interval, in hours. Use the left and right arrow keys to select between air conditioner units. The Swap Aircons sub menu enables the user to perform a manual swap between the active running air conditioner and the inactive air conditioner. By pressing the enter key, the air conditioners would be swapped over. Remember that the air conditioners will not swap over immediately, due to the pre-programmed startup delay period. This period is normally set to 3 minutes as default) The Reset Aircon sub menu enables the user to reset the air conditioning control switch. By pressing and holding the enter key the aircon settings would be restored to default. The Humidity sub menu indicates the current relative humidity reading. 2. Generators:

» Fuel Level » Generator Battery » Run Times

The Fuel Level sub menu indicates the current fuel reading, in liters, of the actual fuel in the generator bulk tank. Use the left and right arrow keys to select between tanks, should more than one probe be used. The Generator Battery sub menu indicates the generator 12V battery voltage level. The Run Times sub menu indicates the total run time of both generators, as well as the last service interval of both generators. The left and right arrow keys are used to scroll between the different menus.


3. Diagnostics: » View Inputs » Test Peripherals » Test BTS Alarms

The View Inputs sub menu indicates all inputs, current state and input description. The Test Peripheral sub menu allows the user to select a specific alarm input number plus the ability to activate or deactivate the selected input. Use the enter button to change alarm state. (this sub menu places the SAM2 controller in a test mode – press the up arrow key to exit test or alternatively the LCD could be left in the submenu for a timeout period of five minutes, before it automatically returns to the default display, thereby canceling any tests). The Test BTS Alarms sub menu allows the user to select a specific RBS alarm output number plus the ability to activate or deactivate the selected output. Use the enter button to change alarm state. (this sub menu places the SAM2 controller in a test mode – press the up arrow key to exit test or alternatively the LCD could be left in the submenu for a timeout period of five minutes, before it automatically returns to the default display, thereby canceling any tests). 4. Electrical:

» Battery Info » Energy Meter1-4 » EPC » Mains Frequency

The Battery Info sub menu indicates the total battery supply voltage, battery charge current or battery discharge current. Use the left and right arrow keys to scroll between battery voltage or current readings. The Energy Meter1-4 sub menu indicates the available credit reading in KwH, total KwH usage to date, voltage per phase, current per phase and power (watts) per phase. Use the left and right arrow keys to scroll between different meters (up to four meters in total). The EPC (Energy Power Control) sub menu indicates the EPCC activation period, the inhibit reasons, the suspend reasons and the failed reasons, should EPCC not activate. Use the left and right arrow keys to scroll between the different menus.



1. SAM2 - Main Control Unit The main control unit consists of a PCB with multiple inputs/outputs and communications ports. A combination of these and the interaction of each determine the operation and functionality of the unit. The minimum Main Control Unit electrical specifications:

The SAM2 main control unit consists of multiple pluggable and interconnected PCB modules all performing a specific function. A – SAM2 Controller (CTL). This module is the heart of the system and contains all control logic to perform different control and monitoring functions according to predefined user configurable parameters. B – SAM2 Cable Termination Unit (CTU) This module is used to terminate all alarm monitoring and control connections. Dedicated sensors are connected to the CTU module through RJ9 sockets and alarm monitoring/control signals through krone block connections. C – RBS Alarm Output Module (PIX) This module is used to provide alarm output signals from the SAM2 controller to the RBS external alarm inputs. Any monitored alarm input could be mapped to a dedicated RBS alarm output number for interconnection to the RBS radio. D – Utility User Interface Module (UIM) This module is used to provide a communications connection to the commercial mains power utility meter. Up to four utility meters could be connected to the SAM controller using the UIM module. E – GSM Modem The GSM module is used to provide a communications connection between the SAM2 main control unit and the management platform. The communication could be in the form of SMS messages of GSM data calls. F – LCD Display The LCD and integrated keypad provides a user with the ability to monitor and control the SAM2 system through a structured and user-friendly menu structure. 2. SAM2 - Aircon Control Switch The purpose of the Aircon Control Switch (ACS) is to intelligently control the operation of the air conditioning units in conjunction with the SAM2 controller unit. The ACS unit would, based upon the BTS cabin temperature intelligently activate a single air-conditioning unit or multiple units. Should the mains supply voltage drop below a pre-defined threshold (220Vac-15% = 187Vac), the ACS would cut the mains supply voltage to the air conditioners as a protective measure, with an associated alarm indication. The Aircon Control Switch could be used to drive any of the following air conditioning types: » 1-Port single phase unit for driving a single air

conditioning unit up to 24 000 BTU » 2-Port single phase unit for driving 2 independent air

conditioning units up to 24 000 BTU


» 3-Port single phase unit for driving 3 independent air conditioning units up to 24 000 BTU

» 2-Port three phase unit for driving up to 2 independent air conditioning units of up to 50 000 BTU (bigger available subject to switching contactors used)

Single Phase Unit Electrical Specifications:

The following cable is used between the SAM2 aircon control switch and main control unit. Included in the wiring kit, for the purpose of switching two air conditioner units.

The following cable is used between the SAM2 aircon control switch and main control unit, should it be required to control four air conditioner units. Optionally included in the wiring kit, when specified, for the purpose of switching four air conditioner units, making use of two aircon control units.

Inter connecting cable pinouts:

Typical ACS installation

Installation Steps: » Interconnect the SAM2 main control and aircon control

unit using the ACS cable (supplied part of indoor cable kit)

» Connect the mains supply (live, neutral and earth), from AC1 circuit breaker to AC1 input of the ACS unit

» Connect the mains supply (live, neutral and earth), from AC2 circuit breaker to AC2 input of the ACS unit

» Use the industrial powermite connectors to wire the mains supply output from the ACS unit to AC1 and AC2 respectively (AC1 left and AC2 right connector)

Note: » By switching AC1 circuit breaker off, an AC1 power alarm

must be generated on the SAM system » By switching AC2 circuit breaker off, an AC2 power alarm

must be generated on the SAM system » By removing one of the industrial powermite connectors

an AC power alarm must be generated on the SAM system corresponding to the air conditioner unit

» Should one of the air conditioner units be activated by the SAM main control unit, in conjunction with the ACS unit and not adequately cooling, according to the predefined setpoints, an Aircon Fail alarm would be generated on the SAM system.

» All air conditioner power alarms are masked for a period of five minutes during an active utility mains indication, to allow for the period of contactor switch over when starting or stopping of generators. All air conditioner power alarms are instant when no utility mains alarm is active.

» During installation testing phase, refer to the SAM2 main control unit LCD display to verify true unmasked alarm status.

3. SAM2 – Temperature Sensors The SAM2 controller unit makes use of five independent temperature probes to perform various cooling related functions. The following probes are available: » Air conditioner 1 vent temperature probe » Air conditioner 2 vent temperature probe » Air conditioner 3 vent temperature probe (optional should

3 air conditioners be used) » Air conditioner 4 vent temperature probe (optional should

4 air conditioners be used) » Outdoor temperature probe

o Temperature reference should outdoor free cooling DC ventilation system be used

o Battery Cabin Temperature reference for outdoor sites or indoor sites not utilizing DC ventilation system

The vent temperature probes are placed within the air conditioning vent to monitor the units cooling capabilities.


The SAM2 main control unit measures the cooling capabilities of the running air conditioner, through a preset temperature value that needs to be achieved over a pre-defined timeframe upon switch on (activation). During the active run cycle, at any point that the preset temperature threshold is exceeded, the applicable air conditioner unit will switched off and a cooling alarm generated. The outdoor temperature probe is used during EPCC (Energy Power Conservation Control), to minimize the operational time of the air conditioning units. Should the outside ambient temperature be equivalent to a pre-defined set-point compared to the inside cabin temperature, the air conditioning units would be switched off and the DC free cooling ventilation system activated to regulate the temperature (variable speed and RPM control). The air conditioner/s will only be activated once a pre-defined ambient temperature difference has been detected between inside and outside cabin temperature that can no longer be regulated by the ventilation system (user configurable).

(Red and green leads used – measure +/- 4.7ohms between leads, when tested) Typical AC1 and AC2 probe location

Typical ODT probe location when used in conjunction with the free cooling ventilation system

Installation Steps: » Connect AC1 temperature probe to the SAM2 main

control cable termination unit (CTU) AC1 connection socket. Make sure the probe is fitted to the vent of AC1

» Connect AC2 temperature probe to the SAM2 main control CTU AC2 connection socket. Make sure the probe is fitted to the vent of AC2

» Connect OTD (outdoor temperature probe) to the SAM2 main control CTU OTD connection socket. When an indoor site with the free cooling ventilation system installed, make sure the probe is fitted to the outside of the cabin, not in direct sunlight (normally under the floor of the cabin or between the two air conditioner units, as illustrated by the picture). When an outdoor site or indoor site with no free cooling ventilation system, make sure the probe is fitted to the battery cabinet to monitor the temperature of the batteries.

Note: » A temperature reading of –12 degrees or more refers to a

disconnected temperature probe lead » A temperature reading of +110 degrees or more, refers to

a short circuit probe lead » Ensure that when AC1 is running the temperature reading

for AC1 lowers and when AC2 is running the temperature reading for AC2 lowers (thus probes not inverted)

4. SAM2 – Humidity and Room

Temperature Sensor The room (cabin) temperature and humidity sensor (RTH Monitor) is the main temperature and humidity reference for the ventilation or cooling aspect of the SAM2 system. For this reason the location of this sensor is extremely important. Indoor sites the sensor must be mounted on the ceiling towards the cabin door and on outdoor sites where astatically


pleasing due to closed concealed environment not controlled by the SAM2 system (outdoor sites has its own built-in climate control unit that is not controlled by the SAM2 system, but merely monitored). All SAM2 control temperature references, with regards to multi AC run (dual air conditioners active), high temperature indication, very high temperature indication and DC free cooling ventilation extractor fan operation, are made with the RTH monitor. Additionally EPCC or hybrid control (Energy Power Conservation Control) activation and de-activation criteria are critical with regards to the placing of this monitor, to ensure adequate control of the air conditioner units and/or ventilation system. The RTH monitor communicates with the SAM2 main control unit through a serial 1-wire protocol, which requires only a single data lead and a ground return. The RTH monitor measures humidity with 8-bit (0.6% RH) or 12-bit (0.4% RH) resolution. Operating range from –40 to +124°C, 0 to 100% RH The RTH monitor measures temperature with 8-bit (0.5°C) or 11-bit (0.0625°C) resolution. Temperature accuracy better than +/-0.5°C from -10°C to +65°C. Humidity sensor PCB connection RJ9 socket

Sensor cable pinouts Typical outdoor site sensor location.

Typical indoor site sensor location

Installation Steps: » Connect the humidity sensor cable to the SAM2 main

control cable termination unit (CTU) HUM connection socket.

» Ensure that the cable with the side marked “Humidity Sensor” is plugged into the RJ9 socket of the RTH sensor.

Note: » Should the Humidity sensor not be functional, due to a

faulty cable or sensor, the SAM2 system will indicate a Humidity Probe alarm.

» During a humidity probe failure, as mentioned above, the room temperature reading would indicate maximum (limited to 60 degrees) and the humidity reading 0%

5. SAM2 – Mains, Phase and

Frequency Monitor The SAM2 controller unit makes use of a sensor type Mains, Phase and Frequency monitoring unit (MPF) to accurately detect any mains or phase related failures. The unit also provides an analogue indication of the mains supply frequency. The purpose of the mains, phase and frequency monitoring unit is to detect the presence or absence of mains supply from the utility supplier or generator output (the mains load supply into the RBS). Thus should the utility provider provide the mains supply source, the MPF monitor would detect if mains is present on all phases as well as the frequency of the supply. Should the generator be providing the mains supply, the MPF monitor would detect whether the generator is actually providing a mains supply output on all phases as well as the frequency of the supply. The above indications are used by the SAM2 controller unit to determine if the mains supply is actually powering the BTS. The MPF does not distinguish between utility or generator supply, but merely if the load supply to the BTS is good. Failure of both the utility supply and/or generator to provide a load would cause the SAM2 controller unit to report the relevant mains and phase related alarm indications. The mains, phase and frequency alarms are masked for a period of five minutes to provide ample time between utility and generator contactor switchover before activation of any alarms. (alarm mask period to avoid any unwanted alarms during generator starting period) The MPF monitoring unit is mounted in the AC distribution box, normally located within the cabin. The MPF would indicate an active alarm state should the input voltage of any phase drop below 187VAC (220VAC-15%)


MPF Unit Electrical Specifications:

MPF sensor PCB connection RJ9 socket

Sensor cable pinouts

Typical outdoor Emerson RBS site sensor location.

Typical outdoor Ericsson RBS site sensor location.

Typical indoor site sensor location

Installation Steps: » Connect the MPF sensor cable to the SAM2 main control

cable termination unit (CTU) MPF connection socket. » Ensure that the cable with the side marked “MPF Sensor”

is plugged into the RJ9 socket of the MPF sensor. » Wire the mains live supply for phase 1,2 and 3 by looping

a connection from the output of the mains supply earth leakage to the MPF phase 1,2 and 3 live inputs (ensures that the mains supply is monitored after the earth leakage in case of tripping)

» Wire the mains neutral by looping a connection from the neutral bar to the neutral input of the MPF monitor (ensure to use the station neutral and not the protected neutral)

Note: » Should the mains voltage per phase be above 187Vac,

the red LED corresponding to the input will be illuminated. » Should the voltage of any phases drop below 187Vac, the

corresponding LED would be off and a phase alarm generated. Should the phase that is low be connected to the air conditioner units, these would be switched off and an Aircon Power alarm generated as well.

» All mains, phase and frequency alarms are masked for a period of five minutes during an active utility mains indication, to allow for the period of contactor switch over when starting and stopping of generators. All mains, phase and frequency alarms are instant when no utility mains alarm is active

» During installation testing phase, refer to the SAM2 main control unit LCD display to verify true unmasked alarm status

6. SAM2 – AC-type Navigation Light

Monitor The SAM2 controller unit makes use of a sensor type Navigation Light monitoring (AWL) unit to accurately detect any failure of one or more navigation tower lamps. The SAM system has two types of navigation light sensors, one for AC type navigation lights and one for DC type navigation lights. The installation procedure for both is the same (ensure however that the correct type is used for the applicable site application) The AWL AC-type unit is located in the AC distribution box and wired in series with the live supply (output of NAV light circuit breaker) of the navigation tower lights and calibrated according to the amount of current drawn by the lamps. Any deviation in the current drawn will cause an active alarm. Due to the AWL unit being calibrated on a per site basis, virtually any amount of lamps could be effectively monitored by the unit. In order to calibrate the AWL monitoring unit the following procedure has to be followed during installation of the SAM2 system: (note – repeat this procedure upon any lamp change)


AWL AC-type Unit Electrical Specifications:

AWL AC-type sensor PCB connection RJ9 socket


Typical indoor site sensor location.

Typical outdoor site sensor location.

Installation Steps: » Connect the AWM sensor cable to the SAM2 main control

cable termination unit (CTU) AWM connection socket. » Ensure that the cable with the side marked “AWM

Sensor” is plugged into the RJ9 socket of the AWL sensor.

» Wire the mains live supply, from the output of the NAV light circuit breaker, through the AWL monitor, using the input applicable to the total amount of lights (20w = input 1, 40w = input 2 and 60w = input 3). The output is wired to the lights (AWL thus in series with the live supply of the tower lamps)

Note: » Ensure that all the lamps are switched on and functional

before calibrating the AWL monitor. » Ensure to re-calibrate the AWL monitor upon lamp

replacements. » All Nav Light alarm indications are masked during

daytime operation to compensate for daylight sensors, should it be used. Thus no alarm indications would be displayed during 4am until 8pm. During installation testing phase, refer to the SAM2 main control unit LCD display to verify true unmasked alarm status.

7. SAM2 – DC-type Navigation Light

Monitor The SAM2 controller unit makes use of a sensor type Navigation Light monitoring (AW-DC) unit to accurately detect any failure of one or more navigation tower lamps. The SAM system has two types of navigation light sensors, one for AC type navigation lights and one for DC type navigation lights. The installation procedure for both is the same (ensure however that the correct type is used for the applicable site application) The AWL DC-type unit is located in the DC distribution box and wired in series with the negative supply (output of NAV light circuit breaker) of the navigation tower lights and calibrated according to the amount of current drawn by the lamps. Any deviation in the current drawn will cause an active alarm. Due to the AWL-DC unit being calibrated on a per site basis, virtually any amount of lamps could be effectively monitored by the unit. In order to calibrate the AWL-DC monitoring unit the following procedure has to be followed during installation of the SAM2 system: (note – repeat this procedure upon any lamp change)


AWL DC-type Unit Electrical Specifications:

AWL DC-type sensor PCB connection RJ9 socket


Typical indoor site sensor location.

Installation Steps: » Connect the AWM sensor cable to the SAM2 main control

cable termination unit (CTU) AWM connection socket. » Ensure that the cable with the side marked “AWM

Sensor” is plugged into the RJ9 socket of the AWL-DC sensor.

» Wire the negative DC supply, from the output of the NAV light circuit breaker, through the AWL-DC monitor, using the input 3 (input 1 and input 2 are spare and not used). The output is wired to the lights (AWL-DC thus in series with the negative supply of the tower lamps)

Note: » Ensure that all the lamps are switched on and functional

before calibrating the AWL-DC monitor. » Ensure to re-calibrate the AWL-DC monitor upon lamp

replacements.

» All Nav Light alarm indications are masked during daytime operation to compensate for daylight sensors, should it be used. Thus no alarm indications would be displayed during 4am until 8pm. During installation testing phase, refer to the SAM2 main control unit LCD display to verify true unmasked alarm status.

8. SAM2 – Battery and Current

Monitor The SAM2 controller unit makes use of a sensor type 4-20mA Hall effect current probe (BCP – battery current clamp) The probe accurately measures the battery load: » Charge current, during utility or generator operation » Discharge current, during battery discharge cycle (active

EPCC mode) The battery bank voltage is monitored directly by the SAM2 controller unit input DC supply. The battery voltage of the supply feeding the control unit is constantly being monitored. For this reason, make sure that the SAM2 controller unit is powered directly from the battery bank supply, using a suitable 5A circuit breaker.

» Current Measurement Probe

This sensor makes use of hall-technology, in order to measure dc currents with reference to battery charge or discharge currents. This measurement technique makes it possible to measure current without any electrical connections to the conductor being measured. The unit simply clamps onto the terminal to be monitored and the installation can therefore be done on live terminals (no need for disconnection) This measurement probe is unique in the sense that it has a very wide dynamic range and the ability to detect current reversal. The current probe has the ability to auto-range, and can measure charge/discharge currents ranging from 1Amp to 500Amp. The SAM2 system can be supplied with two types of current probes, one ranging from 1-200Amp and the other from 1-500Amp. The ranges are as follows: o 5Amp o 10Amp o 50Amp o 100Amp o 200Amp o 500Amp

Auto ranging is necessary, due to the nominal float current on the battery banks that could be as low as 1 Amp, while the initial charge or discharge currents can be very high.

The sensor is connected to a dedicated 4-20mA analogue input on the SAM2 controller unit


Current Clamp Sensor, 500Amp operating range (blue housing with black epoxy, 2-terminal cable termination

Current Clamp Sensor, 200Amp operating range (black housing with beige epoxy, 3-terminal cable termination

BCP connection cable

Current Clamp Sensor cable pinouts

» Supply Voltage Measurement

The battery bank supply voltage monitoring capability is an integral part of the SAM2 controller unit. The battery voltage feeding the control unit is constantly being monitored, with the ability of monitoring voltages up to 60Vdc, thus catering for both +24Vdc and -48Vdc sites. This analogue input is part of the SAM2 controller unit and has the ability to auto-range according to the supply voltage (auto-ranges between 18-60Vdc)

The standard SAM2 controller unit caters for a single 0-60Vdc analogue input and a single 4-20mA analogue input. These inputs are used to monitor both battery bank voltage as well as charge/discharge currents of a single battery bank. In some network deployment scenarios it might be necessary to monitor more than one battery bank, due to two or more RBS (radio base stations) being installed on a single site. In this case the SAM2 hybrid management extension module needs to be fitted making use of the RS485 port. This option would expand the SAM2 controller unit with additional monitoring capabilities as follows: » Additional 1x 4-20mA input (current clamp probe) » Additional 1x 0-60Vdc inputs (battery bank input) » Additional 1x Analogue NTC input (temperature probe) » Additional 4x Digital inputs (spare potential free alarm

inputs)

Multiple hybrid extension modules could be added to a SAM2 controller unit as required according to application. The management software application however limits it to three modules only. Typical sensor location

Installation Steps: » Connect the BCP sensor cable to the SAM2 main control

cable termination unit (CTU) BCP and AC4 connection sockets. (AC4 connection only required should a 200Amp unit be used)

» Connect the open ended side of the cable to the current clamp as follows: o 500Amp unit o White lead of blue/white pair – positive o Orange lead of orange/white pair – negative

Fault finding: Ensure to measure approximately 15Vdc

between positive and negative pair o 200Amp unit o Blue lead of blue/white pair – ground o White lead of blue/white pair – positive o Orange lead of orange/white pair – negative

Fault finding: Ensure to measure approximately 15Vdc

between positive and negative pair With probe connected to no load (0A), ensure

to measure approximately 0.603V between ground and negative

With probe connected to SAM2 controller unit, but not powered, ensure to measure approximately 53ohms between ground and negative.

» Connect the current clamp around the battery bank load

conductor. Ensure to clamp all conductors so the entire battery bank capacity is monitored. Only the positive or negative conductor must be clamped, not both. If the negative conductor is clamped, the BCP arrow must face in the direction away from the batteries towards the load. If the positive conductor is clamped, the BCP arrow must face in the direction towards the batteries away from the load. (the norm is always to clamp the current carrying conductor, thus not the station earth potential)

» Wire the DC supply voltage to power the SAM2 controller unit, directly from the battery bank load output supply. Make sure not to use the output from a DC to DC converter.

Note: » Ensure that the current probe alarm is not active once the

BCP probe is connected to ensure proper operation » Verify that the BCP indicates a charge current reading

during a battery charge cycle and a discharge reading during a discharge cycle. If the readings are inverter, the direction of the BCP probe needs to be inverted

» Verify that the battery bank supply voltage is monitored directly from the battery bank. During a discharge cycle the battery voltage must fall by 1-2Vdc within the first minute before stabilizing. If the voltage remains constant during a discharge cycle, the SAM2 controller unit is powered from a DC to DC converter supply.


9. SAM2 – NAV2 (DC Navigation Light System)

The SAM2 DC Navigation Lights System (NAV2) consists of the following items: a) DC Obstacle Type Navigation Lights b) Navigation Light Controller c) Daylight Sensor d) Single or Dual type Tower Mounting Brackets e) Interconnection Junction Box

a) DC Obstacle Type Navigation Lights » LED Low Intensity Obstacle Light Type A.

» Light output > 10,000 mcd ( 10 candela ) 360° around beacon at specified elevation angles, according to ICAO Annex 14, Volume I/II, Chapter 6.

» Light colour = Aviation Red, according to ICAO Annex 14, Volume I/II, App 1-4.

» LED expected lifetime > 50,000 hours ( 100,000 hours typical ).

» Environmental protection = IP65. » Operating temperature = -30°C to +55°C. » Power supply voltage = 18V to 60V DC, reverse polarity

protected. » Power consumption < 5.6W ( 93mA at 60V to 311mA at

18V ). » Optional built-in flash function. » Dual - circuit operation for redundancy. » Lightning protection ( from supply / controller side)

included ( primary + secondary ). » Earth wire provided for increased lightning protection b) Navigation Light Controller

» The Navigation Light Controller is a waterproof enclosure

for the purpose of: o Isolation between the station battery DC supply and

the DC load supply to the lights o Surge protection o Alarm output based upon light monitored status o Daylight sensing o Navigation Light flashing function

» The earth connection for battery DC supply must be connected to the station earth. The DC load supply to the lights are however earthed through the tower metal structure via the metal mounting brackets.

» Ensure to use the bigger sealing gland for the existing tower cabling and the smaller glands for the daylight sensor and the station battery DC supply. Make sure not to cut the glad openings bigger than the existing cable, thereby compromising waterproofing.

» Connections

o Battery Supply: • “+” DC Power supply Positive • “-“ DC Power supply Negative • “E” Earth

o Lights:

• “+” Positive power output to lights (permanent) • “-“ Negative power output to lights (switched) • “CTL” Control signal to lights (for flash function,

using additional control wire)

o Sensor: • “+” Positive power output to daylight sensor • “-” Negative power output to daylight sensor • “S” Signal input, from daylight sensor

» Controls / Switches

o Reset (Push Button): • Alarm Reset / “learn”

o Test (DIP switch no.1):

• OFF → ON = Enable Test Mode

o Daylight (DIP switch no.3): • ON = Enable Daylight ON/OFF Function • OFF = Disable Daylight ON/OFF Function

o Flash (DIP switch no.4):

• ON = Enable Flash Function • OFF = Disable Flash Function

» Technical Specifications

c) Daylight Sensor


» The Daylight Sensor measures the OUTDOOR ambient

light intensity, and during normal operation will cause the controller to switch the lamps OFF during the day and ON at night. During normal operation the controller’s response to the light level is NOT immediate, to avoid unwanted response caused by brief changes in light intensity level. To ENABLE this function, DIP switch no.3 (“DAYLIGHT”) should be ON.

d) Single or Dual Type Tower Mounting Brackets:

» The tower mounting brackets are made out of 3CR12

stainless steel end epoxy coated. » It is a fully adjustable bracket to fit most tower conduit » The tower mounting brackets are shipped already

attached to the Navigation lights to ease with the installation process

» Fix the bracket to the tower conduit according to mounting orientation. The brackets are designed in such a way to accommodate mounting on horizontal or vertical tower cross member structures without the need of drilling any holes.

e) Interconnection Junction Box:

» The Interconnection Junction Box is a waterproof

enclosure for the purpose of interconnecting the navigation lights with the existing tower cabling.

» The Junction box is equipped with three terminal strips to allow connection of positive, neutral and control. The control lead is optional and only used should the lights require flashing.

» The earth connection for the lights and controller is via the tower metal structure though the mounting brackets and not a physical wiring connection.

» Ensure to use the bigger sealing gland for the existing tower cabling and the smaller glands for the navigation light fly leads. Make sure not to cut the glad openings bigger than the existing cable, thereby compromising waterproofing.

f) Installation Steps:

» Mount the navigation light controller (E) to the outside

wall of the shelter (using rivets) or any horizontal/vertical tower cross member (using the mounting bracket) at the bottom of the tower.

» Connect the BTS battery supply (24Vdc or 48Vdc) through a suitable 5amp circuit breaker to the navigation light controller (E) battery supply input.

» Ensure the shelter station earth is connected to the navigation light controller (E) battery supply earth terminal. (important for adequate surge protection). If no supply current monitoring/interrupting device is going to be installed, ensure that both terminals of the “LOOP” connector are connected together with a wire link (supplied).

» Connect the existing tower cabling (D) (powering of older type AC navigation lights) to the navigation light controller (E) lights output. Note that only the positive and negative supply to the lights needs to be connected as the earth is obtained through the tower metal structure. The control lead only requires wiring to enable flashing function of the lights.

» Mount the daylight sensor (F) to the existing tower cable grit, preferably not exposed to direct sunlight. The daylight sensor is delivered already connected to the navigation light controller (E) sensor connection as follows: o “+” Positive power output to daylight sensor o “-” Negative power output to daylight sensor o “S” Signal input, from daylight sensor


» Connect the lights (A) in parallel to the existing tower

cabling (D) by using an interconnection junction box (C). o For towers lower than 45meters in height double

lights need to be mounted at the highest point o For towers taller than 45meters in height double

lights need to be mounted at the highest point and additional 3 lights (three leg towers) or 4 lights (four leg towers) at an intermediate point.

Connect the factory fitted navigation light fly leads (B) to the existing tower cabling (D) through the junction box (C) terminal strips. Effectively one junction box is required for each level that lights are required to be mounted.

» Important: It is recommended that a wire / cable with sufficient gauge be used to limit the drop in output voltage from the control unit to lamps to approximately 2V at 24V, or 4V at 48V. o Example 1:

6 lamps over 100m distance, equally spaced (24V supply) will require at least 2.5mm2 cable size.

o Example 2: 6 lamps over 100m distance, equally spaced (48V supply) will require at least 0.75mm2 cable size.

g) Testing: (all relevant to the Navigation Light

Contoller) » Slide all DIP switches (1 to 4) to the OFF position. » Switch on DC power to the navigation light controller. » Verify that the GREEN LED on the navigation light

controller is ON. » Verify that ALL lights are ON.

o The navigation light controller unit has to “learn” the typical expected power consumption of the lights installed as follows: • Press and HOLD the RESET button for a

minimum of 6 seconds, until both RED and GREEN LED’s briefly turn OFF, then release the button.

• Verify that the GREEN LED is ON and the RED LED is OFF.

• Verify that the Alarm Output is in the CLOSED CIRCUIT state (normally closed).

• Slide DIP switch no.1 (“TEST”) from the OFF to the ON position.

• Disconnect the output to the lights, OR remove the wire link on the “LOOP” terminals. Verify that the Alarm Output changes to OPEN CIRCUIT, and that the RED LED is flashing.

• Reconnect the output to the lights as well as the wire link on the “LOOP” terminals and check that the lights are ON and the RED LED is OFF.

• If a daylight sensor is installed, slide DIP switch no.3 (“DAYLIGHT”) to ON. Verify that the lights turn OFF when it is exposed to daylight (GREEN LED will flash), and that they turn ON when the sensor is shielded from light (GREEN LED will be ON).

• Slide DIP switch no.1 (“TEST”) back to the OFF position.

• If the lights are required to flash AND the “CTL” terminal is wired to the “FL” terminals on the lights, slide DIP switch no.4 (“FLASH”) to the ON position.

The NAV2 provides the following features: » Flash Function

The navigation light controller can make the lights flash ON / OFF at a constant rate, in a synchronized way. To ENABLE this function, DIP switch no.4 ( “FLASH” ) has to be ON, AND the “CTL” terminal has to be wired to the “FL” terminals on the lights.

» Short Circuit Protection If the navigation light controller detects a short circuit or overload on the output to the lights, it will turn the output OFF and activate the Alarm Output (open circuit). In this case the RED LED will be ON. After 30 seconds, the navigation light controller will switch the output ON again. If the short circuit condition persists, the navigation light controller will retry every 30 seconds to switch the output on.

» Light Monitoring During normal operation the navigation light controller monitors the POWER consumed by the lights (current x voltage). If the power consumption drops OR increases by more than 15% FOR LONGER THAN 30 SECONDS, the navigation light controller will activate the Alarm Output (open circuit) and the RED LED will flash. If the fault condition is restored to normal, the alarm output will change to INACTIVE (closed circuit) automatically.

10. SAM2 – Utility Interface Module The Utility Interface Module (UIM) forms an integral part of the SAM2 Main Control unit, by being inserted as a plug-in daughter board module. This interface has the ability to allow the SAM2 controller unit to communicate with up to four different, either single phase or three phase utility meters.

The purpose of the UIM is to provide a communications channel between the SAM2 controller unit and the utility mains meter, for remote management via the network management system. The utility meter is supplied with a user interface unit (UIU) for the main purpose of loading credit tokens (when deployed in a pre-paid mode) or requesting information from the utility meter. Two types of utility applications could be implemented, either a pre-paid version or a post-paid version. During pre-paid deployment the following features are available:


a) The ability to remotely load credit tokens to the meter, should the credit run low. (SAM2 controller unit provides an alarm indication, based upon a user configurable threshold, should the credit run low)

b) Remaining KwH credit reading c) Voltage reading per phase d) Load current reading per phase During post-paid deployment the following features are available: a) KwH reading – two counters are available, one that could

be zeroed upon command and a year to date counter since operation started. (Meter starts from zero KwH once commissioned and operational. This value could however be synchronized with the commercial utility meter on site to ensure both meters shows the same readings)

b) Voltage reading per phase c) Load current reading per phase d) Manual or automated load disconnect. The SAM2

controller unit has the ability to disconnect the load power and run the generator, should the commercial power prove be unstable. o The SAM2 controller unit will monitor the commercial

mains fail stability criteria for a period of one minute (default). If the mains voltage drops below 187Vac (220Vac -15%) on any of the phases, the commercial utility load will be disconnected and the generator started to carry the load.

o The SAM2 controller unit will monitor the commercial mains return stability criteria for a period of five minutes (default). If the mains voltage returns above 187Vac on any of the phases, the utility commercial load will be restored and the generator stopped.

e) Hybrid Control (EPCC) using commercial utility mains power. The main objective of EPCC is to effectively cycle the BTS load between generator supply and battery bank supply. The SAM2 controller unit has the added ability to cycle the BTS load between commercial utility supply and battery bank supply.

Typical single phase utility meter installed

Typical three phase utility meter installed

Typical outdoor site utility user interface unit (UIU) installed

Typical indoor site utility user interface (UIU) installed

Installation Steps: » Use a single pair alarm wire and interconnect pin 1 and 2

of the meter port 252 (A) to equipment side of the CTU krone block position 2/7a and 2/7b (wiring is non polarity sensitive)

» Use a single pair alarm wire and interconnect pin 1 and 2 of the user interface unit (UIU) port (B) 252 to the actual user interface unit (wiring is non polarity sensitive)

» Ports 253, 254 and 256 is optional and used if more than one utility meter needs to be managed through the SAM2 controller unit


» Interconnect the utility meter communication port to the

cable side of the CTU krone block position 2/7a and 2/7b (wiring is non polarity sensitive)

» Use a spare pair (orange/red) of the multicore alarm cable to provide this connection via the generator controller cable termination unit

Utility meter typical wiring layout

» The user interface unit (UIU) commands (typed via the

keypad and viewed on LCD display): o #1# - Instantaneous Consumption (average kWh

consumption) o #2# - Total User Consumption to Date (total kWh

consumption since meter activated) o #3## - Keypad Test function (segment display test

invoked) o #4# - Meter Serial Number (displays utility meter

serial number) o #5# - UIU Software Version (displays UIU software

version number)

o #6# - Total User Credit Entered to Date (total amount of credit entered into the meter)

o #53# - Display Tariff Index (displays the meters tariff index)

o #55# - Average Power Consumption Phase1 (L1) o #56# - Average Power Consumption Phase2 (L2) o #57# - Average Power Consumption Phase3 (L3) o #58# - Average Current Consumption Phase1 (L1) o #59# - Average Current Consumption Phase2 (L2) o #60# - Average Current Consumption Phase3 (L3) o #61# - Average Voltage Phase1 (L1) o #62# - Average Voltage Phase2 (L2) o #63# - Average Voltage Phase3 (L3)

11. SAM2 – Sensor and Actuator Kit The SAM2 system is supplied with a custom made sensor and actuator wiring kit, according to customer and application requirements. The default sensor and actuator wiring kit consists of the following items:

a) Smoke Detector The SAM2 controller unit makes use of the Ziton Z630 optical smoke detector that is designed to provide reliable sensing for most conventional fire alarm applications. The detectors aesthetic design and proven stability in air movements associated with air conditioning systems, have made it an ideal selection for GSM BTS sites. The detector operates on the light scatter principal: Under normal conditions, light pulses in the Smoke Chamber do not reach the light sensor. With smoke in the Smoke Chamber, light is deflected into the light sensor, triggering an alarm.

As shown in the illustration, a light source is directed across the smoke chamber and is under normal conditions not reflected into the sensor. Upon light being deflected to the light sensor, an alarm indicator light will come ON and an alarm signal forwarded to the SAM2 controller unit (smoke alarm). The alarm indicator light would remain active until the smoke has dissipated in the confined area, thus clearing the alarm condition. The SAM2 controller unit additionally monitors the smoke detector. Any malfunction or removal of the unit from its base plate would result in an alarm (smoke detector alarm).


The SAM2 controller unit keeps a triggered smoke alarm event active for a three minute period (configurable) after the detector has cleared the active alarm, to ensure that no alarms are re-triggered as the smoke dissipates. The SAM2 controller unit provides adequate power to operate the smoke detector (+24Vdc). Typical indoor site smoke detector installed

Installation Steps: » Connect the smoke sensor cable to the SAM2 main

control cable termination unit (CTU) Smoke connection socket.

» Use the open-ended side of the cable and connect the blue lead (+24Vdc) to pin 5 and the orange lead (-24Vdc) to pin 3 of the smoke detector base.

» Use a multi-meter to verify polarity and DC supply output

from SAM2 controller unit Note: » The SAM2 controller unit detects two types of alarms for

the smoke application, one for the sensor and one when actual smoke is detected.

» Should the smoke detector be removed from its base, a smoke detector alarm would be activated.

» Should the smoke sensor detect smoke within the cabin, a smoke alarm would be activated (the red LED on the smoke detector would be active). Once the alarm is activated, it would remain active for a period of three minutes (user configurable) before the alarm would clear, provided no smoke is detected within the cabin.

» Upon an active smoke alarm condition both air conditioner units and ventilation system is shut down as a failsafe measure against possible fire venting.

b) Cabin and Generator Door Switches The SAM2 controller unit makes use of the Omron D4D1120N or Carlo Gavazzi PS21L-PS11R1-T00 limit switch (adjustable lever type). The unit features positive opening mechanism (NC contacts only) that opens contacts, thus preventing faulty operation due to factors such as metal deposition. Due to the adjustable roller lever of the limit switch, it is primarily for use with loosely fitted and misaligned doors, which makes it ideal for generator cabinets.

Cabin Door Switch Typical indoor site door switch installed

Typical outdoor Ericsson RBS door switch installed

Typical outdoor Huawei RBS door switch installed

Battery Cabin Door Switch Typical outdoor Ericsson battery cabin door switch installed


BBS (Battery Backup System) Door Switch Typical Ericsson BBS door switch installed

Installation Steps: » Connect the intruder sensor cable to the SAM2 main

control cable termination unit (CTU) door connection socket.

» Indoor site - Use the open-ended side of the cable and connect the orange and orange/white pair to the NO contact of the door switch. Note: “Normally Open” (NO) refers to the state of the door switch contact in its unused form, when the door is open, i.e. contact will close when the door is closed.

» Outdoor Ericsson – Use the open-ended side of the cable and connect the orange → white and orange/white → brown pair to the NO contact of the door switch.

» Ensure the intruder alarm is configured as a N/C input on the SAM2 controller.

Note: » When a DC light is wired though the door switch, ensure

that the intruder cable is not connected on the same contact as the light, as this would cause the SAM2 controller input to be damaged. The power for the light is normally wired to the NC contact of the door switch.

» Ensure to test the alarm by closing the cabin door and viewing the status of the alarm (should the alarm not clear, adjust the roller level accordingly)

Generator Door Switches Typical generator door switch installed

Installation Steps: » Use a single pair alarm wire and interconnect all the door

switches of each generator in parallel using the normally closed (NC) contact of the switch. Connect the open-ended side of the cable to the generator cable termination unit (GTU) krone block 2/2a and 2/2b (Generator 1) and krone block 2/7a and 2/7b (Generator 2). Note: “Normally Closed” (NC) refers to the state of the door switch contact in its unused form, when the doors are open, i.e. contact will open when the doors are closed.

» Ensure that “Gen1 Door” and “Gen2 Door” alarms are configured as N/O inputs on the SAM2 controller.

Note: » Ensure to test the alarm by closing all the generator

doors and viewing the status of the alarm. Open each door individually to confirm alarm activation (should the alarm not clear, adjust the roller level accordingly or confirm parallel wiring connections)

c) Movement Sensor The SAM2 controller unit makes use of the Optex RX40 or Rokonet Zodiac RK410RQ indoor passive infrared movement detector that uses quad zone logic and provides multi segmented detection zones throughout the detection area. An alarm signal is created by the cumulative total IR energy of each zone. It is designed to provide 4-8 zones for a human sized object, in order to provide sharp and maximum signals for stable detection.


Spot temperature changes, i.e. by rodents etc., may affect only one or two zones at the same time creating a smaller detection signal, thus filtering out false alarm detection. The SAM2 controller unit keeps a triggered movement alarm active for a period of three minutes (configurable). This action prevents multiple alarm events for the same condition as movement occurs within the detection area. The triggered movement alarm would only be cleared if no movement has been detected for a period of three minutes within the monitored detection area. The SAM2 controller unit provides adequate power to operate the movement sensor (+12Vdc). Typical indoor site movement sensor installed

Installation Steps: » Connect the move sensor cable to the SAM2 main control

cable termination unit (CTU) move connection socket. » Use the open-ended side of the cable and connect the

blue lead to the movement sensor +12Vdc input and both white leads to -12Vdc (ground) input. Place a wire trap between the -12Vdc input and the common side of the relay. Connect the orange lead (alarm indication) to the output of the relay.

» Use a multi-meter to verify polarity and DC supply output

from SAM2 controller unit. Should the SAM2 controller unit, via the ECT software or LCD display, indicate a 12V DC Failure, the auxiliary power supply to the sensors are suspect.

Note: » Upon an activated alarm the SAM2 controller unit will

keep the alarm activated until no movement is detected for the configured clear delay period.

d) Panic Button An optional item part of the SAM2 system peripherals is a panic button. The purpose of this button is to alert the NMC during an emergency or panic situation, such as a high jack or when a person is locked inside a BTS cabin. The alarm is activated by simply pressing the button. The SAM2 controller unit will activate the alarm for a period of two minutes (configurable) once pressed.

Typical indoor panic button installed

Typical outdoor panic button installed

Installation Steps: » Connect the panic sensor cable to the SAM2 main control

cable termination unit (CTU) panic connection socket. » Use the open-ended side of the cable and connect the

orange and orange/white leads to N/C contact (blue and red leads) of the panic button. The N/O (green) lead is not used and not connected.

Note: » Ensure that the spare blue and blue/white lead is properly

insulated from the panic button metal housing as this pair carries the SAM2 controller unit auxiliary 12Vdc supply


12. SAM2 – Free Cooling Ventilation System

The free cooling ventilation system is an optional item part of the SAM2 system applicable to indoor type sites. The purpose of the ventilation system is threefold: » To reduce operational costs by reducing total energy

consumption of the indoor sites by up to 85% » To provide adequate cooling during active EPCC mode

(hybrid cycle), when the site is operating from standby batteries and the generator and air conditioner units are switched off

» Under extreme conditions when the cabin is abnormally hot, to assist with the cooling process if the air conditioner units cannot seem to cool the cabin adequately.

The SAM2 free cooling ventilation system operates on the principal of regulating the cabin inside temperature according to a pre-defined user configurable threshold, relative to the outside ambient temperature. Thus if the regulated temperature is set to 30 degrees for example, provided the outside ambient temperature is lower than the inside cabin temperature, the ventilation system will control the cabin temperature using the ventilation fan at variable speeds to control the temperature and not the air conditioner units. Only if the ventilation fan cannot maintain the regulated inside cabin temperature threshold or if the outside ambient temperature is higher than the inside cabin temperature, would the air conditioner units be activated. The SAM2 free cooling ventilation system consists of the following items: (all metal parts made from stainless steel) 1. Inlet Louver Assembly 2. Active Electronic Inlet Door Filter 3. Outlet Louver Assembly 4. DC Ventilation Fan 1. Inlet Louver Assembly The inlet louver grill assembly should be fitted to the bottom center of the BTS cabin door, not to obstruct the door mechanism or the doorstopper. The inlet louver incorporates an angled grille that prevents the ingress of moisture as well as a mesh air filter to prevent the ingress of insects. The inlet louver assembly consists of the following sub-components: A. Outer grill assembly B. Inner louver connection piece C. Removable filter media panel D. Electronic filter adapter plate

Typical Inlet Louver Assembly Installed – outer view

Typical Inlet Louver Assembly Installed – inner view

Inlet Louver Assembly Dimensions


Specifications: » Dimensions: 390x(80-120)x630 » Weight: 6kg Installation Steps: » Make use of the inner louver connection piece (B) to act

as a template. Mark the inner rectangle of the area to be cut out, using a suitable marker, starting on the outer side of the cabin door.

» Using the markings made prior, drill through both outer and inner sheets of the cabin wall, on all four corners. Ensure to drill right through the wall at these four points. Make sure to use the outer holes in terms of alignment and orientation for the inner holes.

» Use a ruler and suitable marker to join the previously drilled holes, to form the same shape as the inner louver connection piece on the inside of the cabin door.

» By using a suitable jigsaw, cut through both walls of the cabin separately. Remove sharp edgings with a flat file.

» Insert the outer grill assembly (A) from the outside with grill angled downwards. Mark the holes to be drilled for rivet mounting. Ensure to drill these holes through the outer wall only.

» Use the inner louver connection piece (B) as a drill template on the inside wall.

» Before drilling the rivet holes, remove both the outer grill assembly (A) and inner louver connection piece (B), to prevent any coating (paint) damage.

» Rivet the outer grill assembly (A) to the outside of the cabin door

» Rivet both the inner louver connection piece (B) and electronic filter adapter plate (D) to the inside of the cabin door

» Insert the removable filter media panel (C) upon completion

» Ensure to seal all edging with white polyurethane sealer 2. Active Electronic Inlet Door Filter The inlet louver assembly includes an optional electronic monitored filter. The main purpose of the electronic filter is to filter dust particles up to 0.01 micron. The SAM2 controller unit continuously monitors the filter to provide an adequate alarm indication in the event of maintenance (cleaning required) or malfunction. The electronic filter fits to the inside of the inlet louver grill assembly, via the electronic filter adapter plate (D). In the event that an electronic filter is used, the removable filter media panel (C1) located between the inner louver connection piece (B) and electronic filter adapter plate (D) is used as a pre-filter and the removable filter media (C3) located after the electronic filter as final filter before entering the shelter. An additional optional second pre-filter could be added between the electronic filter adapter plate (D) and the electronic filter (E) to perform additional filtering in the event of excessive dusty conditions. (however, beware that adding this additional filter could restrict airflow and would require more frequent maintenance/cleaning). The default removable filter media normally supplied during order placement is general purpose media. Under extreme conditions, special media for coastal areas or high humidity areas could be supplied upon request. The removable filter media panel (C) as well as the electronic filter media cartridge is removed from the inside of the BTS cabin, for cleaning or maintenance replacement. The electronic filter consists of an optional pre-filter that filters all lager particles, the electronic electrically charged filer that filters all finer particles up to 0.01 micron and the final filter for distribution of the clean filtered air.

Electronic Inlet Door Filter Assembly Dimensions

Specifications: » Dimensions: 373.8x120x631 » Weight: 14kg » Filter Arrest Grade: >90% » Airflow Capacity: 1500m3/h » Pressure Drop: <100Pa » Peak Power Consumption: 35W » Nominal Power Consumption: 18W » Input Supply Voltage: 20Vdc to 60Vdc » Alarm Output: NO or NC potential free » Bi-color LED: Green – operational, Red – fault » Buzzer: Indicates Fault Installation Steps: » Ensure to remove the removable filter media panel (C)

from the electronic filter adapter plate (D) » Hook the electronic filter (E) on to the hooks provided part

of the electronic filter adapter plate (D) » Inset the removable filter media panel (C) behind the

electronic filter (E) in the slot provided » Connect the DC power (24Vdc or 48Vdc) to the supply

input of the electronic filter. Use a suitable 5amp circuit breaker

» Connect the alarm output (NC) to the SAM2 controller input. (any of the spare alarm inputs could be used for this purpose)

Note: » Activate the electronic filter by flipping the switch to the

on position


» A fully functional filter would be indicated by a green LED status. A red LED status indicates a fault condition, normally caused by an overload/short circuit condition, typically associated with a dirty filter.

Airflow Direction: » The electronic filter needs to be mounted according to the

shelter door mounting/opening. This could result in the airflow direction changing over to the opposite as compared to the default shipping assembly.

» The following procedures needs to be followed to change the airflow direction: (ensure the unit is switched off) o Remove the front panel cover of the electronic filter

housing by removing the fastening screw located at bottom front of the unit (A)

o Remove the electronic filter (B) from housing by sliding it forward

o Remove the contact plate (A) from housing by sliding it forward

o Turn the contact plate (A) 180 degrees horizontal and insert into housing by sliding it backwards

o Turn electronic filter (B) 180 degrees horizontal and insert into housing by sliding it backwards (refer to airflow direction label on filter)

o Replace the front panel cover and fastening screw (A) of electronic filter housing

o Ensure the removable filter panel (C) is inserted at the end of the airflow direction, to act as final filter before entering the shelter.

3. Outlet Louver Assembly The outlet louver assembly should be fitted to the top left or right hand corner of the air conditioner units, just behind the radio base station (radio) equipment, should space permit with no obstruction (normally the point where the most heat is generated). In case of an obstruction mount the unit in the opposite corner above the air conditioner units. The outlet louver assembly unit incorporates an angled grille that prevents the ingress of moisture, a low airflow pressure drop grille that further prevents the ingress of moisture, but also keeps cooler air from escaping as well as a mesh air filter to prevent the ingress of insects.

The outlet louver assembly consists of the following sub-components: A. Outer grill assembly B. DC ventilation fan C. Low airflow pressure drop grille D. Outer mounting plate E. Inner mounting plate

Typical Outlet Louver Assembly Installed – outer view

Typical Outlet Louver Assembly Installed – inner view

Specifications: » Dimensions: 390x229.7x390 » Weight: 12kg » Type: Axial fan » Cooling Capacity: 3Kw (10298 BTU) at delta

T -5°C, K=1.08 » Nominal Airflow: 1800m3/h » Input Supply Voltage: 22Vdc to 60Vdc » Max Rotational Speed: 2800RPM » Max Current: 5.3A @ 24Vdc, 2.65A @ 48Vdc


» Control Input Voltage Range: 0Vdc to 60Vdc » Control Input Sensitivity: 0.8V=0RPM, 14V=2800RPM » RPM (tacho) output: Open collector (0V) » RPM (tacho) frequency: 4 Pulses per revolution Installation Steps: » Make use of the inner mounting plate (E) to act as a

template. Mark the inner rectangle of the area to be cut out, using a suitable marker, starting on the outer side of the cabin wall.

» Using the markings made prior, drill through both outer and inner sheets of the cabin wall, on all four corners. Ensure to drill right through the wall at these four points. Make sure to use the outer holes in terms of alignment and orientation for the inner holes.

» Use a ruler and suitable marker to join the previously drilled holes, to form the same shape as inner mounting on the inside of the cabin wall.

» By using a suitable jigsaw, cut through both walls of the cabin separately. Remove sharp edgings with a flat file.

» The outer grill assembly (A), DC ventilation fan (B) and low airflow pressure drop grille (C) is already interconnected to form one unit upon delivery. Insert the assembled unit from the outside with grill angled downwards. View the depth required for suitable mounting. Remove the unit from the cabin wall and fit the outer mounting plate (D) to the low airflow pressure drop grille (C), using the rivets provided according to the depth measured.

» Insert the assembled unit from the outside with the grill angled downwards. Mark the holes to be drilled for rivet mounting. Ensure to drill these holes through the outer wall only.

» Use the inner mounting plate (E) as a drill template on the inside wall.

» Before drilling the rivet holes, remove both the drop grille assembled unit (A-D) and inner mounting plate (E), to prevent any coating (paint) damage.

» Rivet the drop grille assembled unit (A-D) to the outside of the cabin wall

» Rivet the inner mounting plate (E) to the inside of the cabin wall

» Ensure to seal all edging with white polyurethane sealer 4. DC Ventilation Fan The outlet louver assembly is manufactured in such a way to accommodate 250mm ventilation fan and brush less motor. The fan housing is made of stainless steel and the impeller of solid molded plastic. During operation air blows over the struts with rotational direction being CCW looking at motor. The fan could be powered from either 24Vdc or 48Vdc (22Vdc-60Vdc) The fan is supplied with a 10 meter electrical cord and has the following connections: Brown = + (positive) Blue = - (negative) Yellow/Green = Speed Control Black = Taco (RPM) DC Fan – 250mm, Mass 2500g

Installation Steps: » Connect the FAN DC supply voltage to the SAM2 main

control unit (A). Ensure to use the same supply voltage that was used to power the SAM2 controller unit, due to earth reference potential. Make sure to use a 5Amp

breaker for a single fan application and a 10Amp breaker for a dual fan application

» Connect the DC supply to the fan by making the following connections (B): o Fan Brown lead(+) → SAM2 controller Yellow

lead(+) o Fan Blue lead(-) → SAM2 controller Black lead(-)

» Connect the Fan speed control by making the following connection (C): o Fan Yellow/Green lead → SAM2 controller Blue lead

» Connect the Fan RPM (Tacho) by making the following connection (D): o Fan Black lead → SAM2 controller Violet lead

Note: » Take note of the following setpoints during free cooling:

o DC Fan On Setpoint (A): Override temperature at which fan would be activated due to a high temperature situation within the cabin. The fan would run at the same time as both air conditioner units. (applicable when free cooling enabled or disabled)

o Room Temperature Regulate Setpoint (B): Refers to the temperature setpoint at which the cabin must be regulated when using the DC ventilation fan instead of the air conditioner units

o Room Temperature Regulate Hysteresis (C): The temperature hysteresis value below the regulate setpoint (B) at which the air conditioner units will be switched off and the DC ventilation fan used for cooling


o Fan Cooling Enable Temperature Differential (D): Minimum temperature value that the outside temperature must be lower than the cabin temperature for the DC ventilation fan to operate. The fan will start full speed (max RPM) and decrease in speed as the temperature differential decreases to zero

o Aircon Humidity On Setpoint (E): Cabin relative humidity at which aircon would be activated to regulate humidity below this setpoint

o Aircon Humidity Off Setpoint (F): Cabin relative humidity at which aircon would be stopped in order to lower humidity

o Fan to Aircon Switchover Temperature (G): Cabin temperature setpoint at which air conditioner units would be started to take over from the DC ventilation fan

o Fan to Aircon Switchover Humidity (H): Cabin relative humidity setpoint at which air conditioner units would take over from DC ventilation fan

o EPCC Aircon Run Time (I): Minimum time period (minutes) that air conditioner units would be activated when EPCC fails due to high temperature or free cooling deactivated due to high temperature

o Aircon Service Interval (J): Run hour interval (hours) at which air conditioner units are due for servicing

o Fan Speed Control (K): When selected, enables variable fan speed control based upon temperature difference between cabin and outside

o Free Cool Enable (L): When selected, enables DC ventilation fan free cooling functionality

(the illustrated setpoint are the default values but could differ according to application and per country. Refer to the SAM2V3_ ECT Software Manual for additional information) 13. SAM2 – Generator Controller The SAM2_GEN (SAM2 Generator controller) unit is designed to monitor and control the BTS remote site standby generator. The SAM2_GEN does not replace the AMF generator controller; it has been designed to operate together with the AMF generator controller to perform the following functions: » Generator Control: Automatic start-stop depending the

state of the utility ac mains supply. » Generator Control: Automatic start-stop in EPCC mode

as controlled by the SAM2_CTL unit. » Alarm Monitoring: Generator alarm detection, i.e.

generator fault, engine temperature/oil pressure. » State Monitoring: Generator state detection, i.e. generator

run, mains/generator on load. The SAM2 main control unit consists of two independent generator control circuits: » SAM2 controller unit (SAM2_CTL) – primary circuit » Generator controller (SAM2_GEN) – secondary circuit

(failsafe stand alone unit). The SAM2_GEN generator controller operates in conjunction with the SAM2_CTL controller unit to control the starting/running/stopping functions and monitoring the alarm/status of the generator. The SAM2_CTL and SAM2_GEN units communicate using a simple protocol transferred via the control and status cable pairs of the underground multicore cable interconnecting the units. On power-up the SAM2_CTL unit sends a message to the SAM2_GEN unit, the SAM2_GEN unit acknowledges to indicate that the message was received correctly. The SAM2_CTL unit now sends a new message to indicate communication in both directions has been established and that both units are functional, the SAM2_CTL unit is in control. The 2 units communicate periodically to ensure both are functional, if communication is lost, the SAM2_CTL unit will re-initiate the start-up communication handshaking procedure The SAM2_CTL and SAM2_GEN controller units have been designed to operate in a fail-safe manner in order to ensure that the genset remote start function will operate correctly even if either of the SAM2_CTL or SAM2_GEN unit is faulty. If the SAM2_GEN unit is faulty, the SAM2_CTL unit is able to start/stop/reset the generators depending on the state of the commercial utility ac mains supply, i.e. utility mains failure. Under these circumstances hybrid power mode (EPCC) is possible because the SAM2_CTL monitors the state of the BTS battery as well as the cabin environmental conditions. If the SAM2_CTL unit is faulty, the SAM2_GEN unit is able to start/stop the generator depending only on the state of the commercial utility ac mains supply, i.e. utility mains failure. Under these circumstances hybrid power mode (EPCC) will not be activated because the SAM2_GEN does not monitor the state of the BTS battery or the cabin environmental conditions.


1. SAM2_CTL Primary Control Circuit The generator is started when the SAM2_GEN controller issues a remote start command to the SAM2_CTL unit. This normally happens when the SAM2_GEN controller detects a failure in the utility AC mains supply. Under normal conditions, if EPCC mode has not been activated, the SAM2_CTL unit responds by switching relay 1 (NO contact by default). At the same time the SAM2_GEN controller switches relay 1 (NO contact by default). Thus in most cases the generator is started by applying a short circuit across the remote start terminals of the AMF panel. In some cases the generator can not be started, buts requires to be stopped, in this case the short circuit needs to be removed and the relay 1 needs to be set to a NC contact on both the SAM_CTL and SAM2_GEN controller units. The same procedure is followed when dual generators are used but in this case using relay 2. The primary control circuit, if operational, will always assume control via a pulsing signal between the primary and secondary control circuit (80Hz generator is off, 100Hz generator is on). If however the secondary control circuit is faulty, the primary control circuit starts and stops the generator using the normally open (NO) contact of relay one directly connected in parallel with the (NO) relay contact on the secondary control circuit.

2. SAM2_GEN Secondary Control Circuit The generator controller is equipped with an integrated Mains and Phase monitoring unit. The purpose of the Mains and Phase monitoring unit is to detect the presence or absence of the commercial utility mains supply, in total or per phase. Should the communications connection to the SAM2_CTL unit be interrupted, the generator is started by SAM2_GEN controller switching relay 1 (NO contact by default). The same procedure is followed when dual generators are used but in this case using relay 2. The diagram below shows how the automatic transfer switching takes place between the utility 230Vac mains supply and the 230Vac supply from either of the two generators. The SAM2_GEN controller unit monitors the utility 230Vac input supply to determine if the generators should run and it monitors the generator output 230Vac supply to ensure the generated voltage is within the specified range to power the load.


3. Minimum set of connections to monitor/control a generator

The SAM2_GEN controller requires a minimum set of connections that would effectively control and monitor a generator (indicated by the solid lines in the drawing below). » 12Vdc Supply from generator battery. Used to power the

SAM2_GEN controller but also to monitor the battery status.

» Remote Start/Stop Input. The AMF potential free input used to either start or stop the generator.

» Generator Run Indication. The AMF potential free output used to indicate that the generator has physically started and the motor is running.

» Generator fault/alarm indication. Not essential but good if available. This indication is used by the SAM2_GEN controller to remotely reset the AMF in order to reset any fault conditions preventing the generator from starting.

Not all generators have a low fuel indication, oil pressure or high temperature indication and thus not absolutely necessary to effectively control and monitor a generator.

4. Single and dual generator starting sequence The SAM_GEN controller in conjunction with the SAM2_CTL controller unit has a specific sequence in which a single or dual generator is remotely started, which is hardcoded in the firmware with limited user configurable settings. » When the generator needs to be started, due to a utility

mains failure alarm (A) or due to a low battery threshold, upon hybrid deactivation, the remote start input is pulsed (either via NO or NC contact, application selectable). The duration of the remote start pulse is user configurable between 0-255 seconds using the SAM2V3_ECT application. The generator start pulse is delayed by a user configurable “generator start delay” period (B) between 0-255 seconds using the SAM2V3_ECT. (some AMF panels, such as the older type SDMO units requires up to 120 seconds before the generator would actually start, due to pre-warming etc)

» When the generator needs to be stopped, due to utility mains being present (A) or due to hybrid activation, the remote start input pulse is simply removed. The removal of the generator start pulse is delayed by a user configurable “generator stop delay” period (C) between 0-255 seconds using the SAM2V3_ECT.

» Should the generator not be started upon the first start attempt the SAM2_GEN controller in conjunction with the SAM2_CTL controller unit will issue another remote start pulse. The remote start pulses are fixed to four attempts (hardcoded in the firmware), at which a “generator fail to start” (D+E) alarm is activated

» The pause intervals between the remote start pulses are fixed to 30 seconds and hardcoded in the firmware.

» Once a “generator fail to start” alarm is activated for a specific generator the SAM2 system will no longer try and start the generator unless one of the following conditions are met: o Whenever any of the EPCC suspend conditions (as

configured through the SAM2V3_ECT) changes state. Alarms conditions such as “generator door” and “intruder”

o Whenever EPCC is deactivated (EPCC fails, due to low battery condition)

o When generator is running and mains load supply detected within 90 seconds later

o Both generator are off due to the presence of commercial utility mains supply

o Generator remote start command o Generator remote reset command o Generator swap (either manual or auto) o Decreasing BTS battery voltage (every 1volt drop in

threshold) Note: Once the “generator fail to start” alarm is cleared, the above sequence is repeated.

» Should a manual override be performed from either the management platform (F) (ESM Client) or technician configuration terminal (F) (SAM2V3_ECT), in terms of: o Generator remote start command (G) o Generator remote stop command (G) o Generator remote reset command (G) o Generator remote swap command (G) would cause the generator to respond immediately, thus zero delay (H), besides the network SMS message delays.

Installation Steps: » Fit the SAM2_GEN controller unit in the primary standby

generator (GEN1). (Generator 1 is identified by the generator that is directly connected to the commercial utility mains supply and generator 2 is identified by the generator that is directly connected to the BTS)

» Wire the SAM2_GEN cable termination unit as per the krone block wiring diagram (refer to secion18 item 4.1). Take note of the following important points with regards to the SAM2_GEN cable termination unit: o There are 3 Krone blocks numbered KB1, KB2 and

KB3. o Each Krone block caters for 10 cable pairs,

numbered 1 to 10 left to right.


o Each cable pair has an “A” and a “B” leg. The polarity of the “A” leg is positive and the “B” leg is either negative or GND.

o The cable must be terminated on the side of the Krone block as indicated in the diagram below (A).

o The equipment or sensors must be terminated on the side of the Krone block as indicated in the diagram below (B).

o IDC connector JP4 provides 12Vdc power for the fuel probe and tank lid switch, 4 individual fused outputs are available (C).

» If only one generator is installed at the site, a single 20-

pair cable is sufficient to interconnect all the possible control and monitored states between the SAM2_CTL and SAM2_GEN units.

» When 2 generators are used in a standby mode at the site, a 20-pair cable is sufficient to interconnect only the minimum signal necessary to control 2 generators. If all the possible control and monitored states are to be used for the 2 generators a 30-pair cable is required to interconnect the SAM2_CTL and SAM2_GEN units and an additional 10-pair cable is required to interconnect the 2 generators.

Note: » The following LED indications are available on the

SAM2_GEN controller Unit.

o Utility 230Vac Red LED’s (A): • Each of the 3 LED: “ON” indicates L1, L2 and

L3 phase voltage present and greater than 187Vac (220Vac-15%).

o LED1 12Vdc Supply (B): • LED OFF; Supply voltage below 10Vdc • LED Flashing; Supply voltage is between 10

and 12Vdc • LED ON; Supply voltage above 12Vdc

o LED2 SAM2_CTL/SAM2_GEN Communication (B): • LED OFF; No communication between

SAM2_CTL and SAM2_GEN controller units. Secondary circuit SAM2_GEN in control of generators.

• LED Flashing; SAM2_GEN receiving communication from SAM2_CTL unit (on control cable pair), but SAM2_CTL is not receiving communication from SAM2_GEN unit (on status cable pair). Secondary circuit SAM2_GEN in control of generators.

• LED ON; Full communication between SAM2_CTL and SAM2_GEN units, Primary circuit SAM2_CTL in control of generators.

o LED3 Utility 230Vac Supply (B):

• LED OFF; All 3 phases (L1, L2 and L3) voltage below 187Vac (220Vac-15%).

• LED Flashing; At least 1 phase (L1, L2 or L3) voltage below 187Vac (220Vac-15%).

• LED ON; All 3 phases (L1, L2 and L3) voltage above 187Vac (220Vac-15%).

o LED4 and LED5 Generator Running Indication (LED4 generator 1 and LED5 generator 2) (B): • LED OFF; Generator not running • LED Flashing; Generator running, but 230Vac

output from generator not present. • LED ON; Generator running, and 230Vac

output from generator is present. Note: In bright ambient (sun) light it is difficult to distinguish whether the LED’s are illuminated, in such situations reduce the amount of ambient light on the LED’s by casting a shadow on the LED’s.

» The remote start relay needs to be selected as indicated

below, that determine whether a normally open (NO) or a normally closed (NC) relay contact is used to start/stop the generators (A)

» Refer to each generator type and its controller (AMF

Panel) type in the SAM2_gen_Manual for the correct linking position for the NO/NC relay contacts.

» Note: The SAM2_CTL Krone block cable termination unit relay NO/NC link setting must match those on SAM2_GEN unit (B).

» 12Vdc Supply; Connect the +12V and GND supply (E) to the generator AMF panel standby battery positive and negative terminals respectively.

» Emergency Stop button; The SAM2_GEN unit has 2 dedicated inputs to monitor the emergency stop button of single and dual generators (F). In the case of the Intelilite AMF25 panel, the emergency stop button and ON/OFF key-switch are connected in series to provide 12Vdc power on the K109 wire lead, the SAM2_GEN emergency stop input is wired directly to +12Vdc screw terminal (wire lead K109) on the InteliLite AMF25 control panel. Connect the emergency stop button of generator 1 to input I/P1 on the SAM2_GEN unit and if duel generators are installed use input I/P2 for the second generator.

» Connect Commercial Utility Mains AC supply (C); Neutral lead (N) and 3-phases (L1, L2 and L3), if the site is powered from a single phase then L1, L2 and L3 must be looped. Connect to the corresponding N, L1, L2 and L3 screw terminals on the AMF panel, indicating the utility mains entry point (A)


» Connect the Generator AC mains output supply; 3-Phases (L1, L2 and L3), if the generator is 3-phase, then L1, L2 and L3 must be looped. Connect to the corresponding L1, L2 and L3 screw terminals on the AMF panel (B).

Typical Commercial Utility and Generator Mains output wiring location (generator cabin or ATS panel)

» Connect the 230Vac supply output from the generators to

the “GEN” screw terminals (D) of the SAM2_GEN unit as shown in the diagram below. If the site is powered from the utility 230Vac supply; connect it to the “MAINS” screw terminals (C) of the SAM2_GEN unit as indicated below:

» Refer to connection diagram below in terms of a dual

generator:

14. SAM2 – Fuel Management The SAM2 system fuel management option consist of the following items: 1. Fuel Probe 2. Fuel tank lid switch 3. Water in diesel probe The SAM2_CTL controller unit has the ability to measure the actual amount of diesel stored in the fuel tank, and to detect when the fuel tank lid is open. The fuel probe is a pressure sensor and the SAM2_CTL unit converts the pressure reading to a fuel level expressed in litres. The fuel tank lid switch is used to alert the SAM2_CTL unit that the fuel tank has been opened or closed. The water detection probe is used to indicate that water is present in the diesel tank.

Typical wiring schematic indicating dual generators with dual fuel probes, dual tank lid switches and dual water in diesel sensors.

The fuel probe, tank lid switch and water in diesel detection probe are all powered from a 12Vdc source. The SAM2_GEN unit has 4 separately fused 12Vdc outputs for this purpose (C). If the site is equipped with 2 generators having separate fuel tanks, each tank lid switch and each fuel probe must be powered from a separate 12Vdc source. The 2 fuel tank lid switches are wired in series.


1. Fuel Probe The SAM2_CTL controller makes use of the Keller PR-36XWEi series pressure transmitter that has an accuracy of 0.05%FS over the entire pressure (1bar) and temperature range (-40 to 80°C), for the purpose of measuring fuel levels in the bulk fuel tanks. Communication between the SAM2_CTL controller and the fuel probe is through a serial RS485 port. The fuel probe has a 16-bit integrated A/D converter to ensure accurate and reliable measurements. The fuel probe is powered by one of the fused 12Vdc supplies (JP4) from the SAM2_GEN controller unit (C). Use a separate supply for each fuel probe if dual generators are used. Installation Steps: » Fit the fuel probe ensuring that it is lying at the bottom of

the tank. The fuel probe uses a single cable-pair to communicate with the SAM2_CTL controller via the SAM2_CTU (cable termination unit) using a RS485 bus and a separate pair for the 12Vdc supply. The fuel probe cable has a clear plastic “Breather” pipe at the center of its core, this pipe must not be bent or sealed as free airflow via this pipe is necessary for correct operation of the probe. The fuel probe cable has a screen and a red lead; both are not used and may be cut off.

» When dual fuel probes are used, the RS485 communication ports of the probes are wired in parallel on one cable pair. Each fuel probe is programmed with a different address using the SAM2V3_ECT terminal. Use a separate 12Vdc supply (JP4) from the SAM2_GEN controller unit (C) to power the probe.

Notes: » During installation each fuel probe needs to be calibrated

according to tank capacity and volumetric pressure to ensure maximum accuracy. The following calibration measurements needs to be configured using the SAM2V3_ECT terminal: o Bulk tank maximum capacity (liters) o Pressure reading when fuel tank is 100% full o Pressure reading when fuel tank is empty (could be

simulated by removing the probe from the tank) The above readings only need to be taken once for every type of tank with the same volume and dimensions. These readings could be transferred to sites with the same tanks.

» Programming Fuel Probe address when two probes are used:

o Step 1: • Ensure “Duel Fuel Tanks” is not enabled (B).

o Step 2: • Wire Probe #1 only. Both the communication

port, krone block 1 pair 10 (KB1/10/A+(Blue) and KB1/10B/-(Yellow)) and the 12Vdc supply (+Black and –White).

• On the SAM2V3_ECT “Generator/Power” screen type “1” for probe address. Click “Set Probe” button (H).

o Step 3: Calibrate the Fuel Probe as follows: • Enter the fuel tank capacity (D) in litres. • With fuel tank 1 empty (Alternatively Probe 1

can be outside the tank, in the same position it would be inside the tank i.e. horizontal), use the “Refresh” button to obtain the "Raw Fuel Level" (G). Could take up to 2-3 minutes for pressure reading to stabilize, before final reading is taken.

• Enter this value into the field "Raw Fuel Empty Count" (F).

• Fill fuel tank. Use “Refresh” button to obtain the new "Raw Fuel Level" (G). Could take up to 2-3 minutes for pressure reading to stabilize, before final reading is taken

• Enter this value, into the field "Raw Fuel Full Count" (E).

• Update the SAM2_CTL controller unit using the "Set Config" button (C).

• Note: Click “Refresh” Button a number of times every 30 seconds to ensure the reading is stable.

o Step 4: • Disconnect probe #1 from the RS485 cable

pair. • Wire Probe #2 only. Both the communication

port, krone block 1 pair 10 (KB1/10/A+(Blue) and KB1/10B/-(Yellow)) and the 12Vdc supply (+Black and –White)

• On the SAM2V3_ECT “Generator/Power” screen type “2” for probe address. Click “Set Probe” button (H).

o Step 5: • Re-Connect fuel probe #1 to the RS485 cable

pair. o Step 6:

• Enable “Duel Fuel Tanks” (B), and click “Set Config” button.

» Note: The fuel probe address can be verified using the “Get Probe” (I) button when a single fuel probe is connected.

2. Bulk Fuel Tank Lid Kit Part of the SAM2 system peripherals is a custom-made bulk tank lid switch and sensor, universal to most types of tanks available. The bulk fuel tank kit consists of a custom-made active switch and magnetic sensor. The switch is mounted within the tank inlet and the magnetic sensor in the tank lid. Once the lid is opened an alarm is activated and upon closure of the tank the alarm is deactivated.


This concept is used to determine when the bulk fuel tank is either being filled with fuel or possible fuel siphoning. The SAM2_CTL controller unit takes an analogue fuel reading every time the bulk tank lid alarm status changes (either removed or replaced) – the data is logged and used as part of the fuel management reporting system. The fuel bulk tank lid switch is powered by the auxiliary 12Vdc supply from the SAM2_GEN controller. Installation Steps: » Single fuel tank applications:

o Physically mount the active switch (A) to the inlet of the bulk fuel tank. Ensure the beveled edge of the active pickup faces upwards, with the cable facing downwards.

o The rotation of the mounting bracket (B) would be determined by the type of thank.

o Mount the magnetic sensor (C) in the centre of the tank lid

o Wire the 12Vdc supply (+Brown and –Black) (A+B), JP4 (fused 12V supply) from the SAM2_GEN controller cable termination unit

o Wire the alarm output (C) to krone block 2 pair 4 (KB2/4/A+(Blue) and KB2/4/B-(Black))

» Dual fuel tank applications:

o Physically mount the active switch (A), the mounting bracket (B) and the magnetic sensor (C) as described in the single fuel tank application above, to both the bulk fuel tanks.

o In a dual fuel tank application the 2 fuel tank lid switches must be wired in series as follows: (thus one alarm indication when either of the fuel tank lids are opened)

o Wire the 12Vdc supply (+Brown and –Black) (A+B

and D+E), JP4 (fused 12V supply) from the SAM2_GEN controller cable termination unit to both tank lid switches.

o Wire the alarm (C) from tank lid switch #1 to the ground connection (E) of tank lid switch #2. Wire the alarm output (F) of thank lid switch #2 to krone block 2 pair 4 (KB2/4/A+(Blue) and KB2/4/B-(Black))

3. Fuel Tank Diesel in Water Detection Probe The SAM2_CTL controller unit has the ability to detect water contamination of the diesel fuel. Part of the SAM2 system peripherals is a custom-made liquid level sensor, solid-state device designed to detect the presence or absence of an electrically conductive liquid. Each sensor contains integral, high-temperature-rated electronics that generate an alternating voltage to the stainless steel tip. The presence of an electrically conductive liquid completes the circuit which, in turn, changes the condition of the transistor output (alarm state). The water detection probe is powered by one of the fused 12Vdc supplies (JP4) from the SAM2_GEN controller unit (C). When dual generators are used with dual fuel tanks, make sure to distribute the 12Vdc supply as follows: » Output 1 – Connected to Fuel Probe 1 » Output 2 – Connected to Fuel Probe 2 » Output 3 – Connected to both Tank Lid Switch 1 and

Water Detection Probe 1 » Output 4 – Connected to both Tank Lid Switch 2 and

Water Detection Probe 2

Installation Steps: » Single or dual fuel tank applications:

o Fit the water detection probe ensuring that it is lying at the bottom of the tank.

o Wire the 12Vdc supply (+Brown and –Black), JP4 (fused 12V supply) from the SAM2_GEN controller cable termination unit (C).

o Wire the alarm output for water detection probe 1 to krone block 1 pair 6 (KB1/6/A+(Blue) and KB1/6/B-(Black))

o Wire the alarm output for water detection probe 2 to krone block 3 pair 5 (KB3/5/A+(Blue) and KB3/5/B-(Black))

The following wiring table assumes that the low fuel alarm input is not used (some generators have integral fuel tanks that are equipped with mechanical fuel level detectors).

» By placing the water detection probe at the bottom of the

fuel tank, an alarm is generator once the probe tip is submerged with water (+/-10-13mm required). The probe needs to be raised if a higher alarm detection level is required.


15. SAM2 – Hybrid Control (EPCC) The SAM2 Hybrid or Energy Conservation Control (EPCC) function is an application used to conserve overall operational costs through intelligent remote power management. The main objective of EPCC is to effectively cycle the BTS load between generator supply and battery bank supply. Indoor shelter type sites have the added component, temperature, to be monitored and managed. By adding the SAM2 DC powered Free Cooling Ventilation System, the temperature threshold could be maintained even with the air conditioner unit being switched off. Outdoor type sites have a built-in DC powered climate control unit that controls the ambient temperature. This means that temperature is not a component that needs to managed, simply monitored.

1. EPCC Activation and Deactivation Logic The SAM2_CTL controller makes use of the following alarm classification criteria in terms of the hybrid cycle: a. Alarm Suspend Criteria

Any alarm, user configurable, part of this group, activated prior or during the EPCC cycle, would suspend the EPCC operation for a limited time period before re-activation. (Default period is 15min and alarms part of this group is Intruder, Movement and Generator Door)

b. Alarm Inhibit Criteria Any alarm, user configurable, part of this group, activated prior to the EPCC cycle, would inhibit EPCC activation for a limited time period. (Default period is 60min and alarms part of this group is Rectifier System, Rectifier Module and Hybrid Override Control). Any alarm part of the inhibit group, needs to be activated for a user configurable time period before the EPCC inhibit criteria applies. (Default period is 5min)

c. Alarm Fail Criteria Any alarm part of this group, activated during the EPCC cycle, would fail the EPCC cycle. This group of alarms is hard coded and not user configurable. The only alarm part of this group is the EPCC exit voltage threshold. Once EPCC has failed, due to the low battery threshold, it would only re-activate based upon the charge current indication when batteries are suitably recharged.

The SAM2_CTL controller uses the following logic to determine EPCC activation or deactivation:

» Start/End Period or Continuous 24-Hour Mode (B)

o EPCC could be configured to activate and deactivate at certain times over a 24-hour period. This is normally used for indoor shelter type sites that have no DC free cooling ventilation systems installed. (default configuration is from 18:00 to 06:00 – maximum benefit due to cooler period of the day)

o EPCC could be configured to be active over the entire 24-hour daily period. The SAM2_CTL controller will decide when to activate EPCC. (this is the default configuration for an outdoor type site)

» Battery Bank Charge Current (K) o Main deciding factor for the SAM2_CTL to activate

EPCC. Calculated at 2% of total battery bank capacity. (E.g. 2% of a 650AH battery bank = 13Amp)

» Battery Bank Discharge Voltage (F) o Main deciding factor for the SAM2_CTL to

deactivated EPCC upon a low battery bank condition. • 48Vdc Battery Bank – set to 46Vdc • 24Vdc Battery Bank – set to 23Vdc

» Indoor Shelter Temperature and Humidity (D) o In terms of an indoor type site, high temperature or

humidity needs to be monitored upon EPCC activation. In most cases high temperature causes EPCC deactivation, to allow the generator/s to start to run the air conditioner unit/s to adequately cool the shelter. High Temperature does not fail the EPCC cycle, but merely suspends it for a minimum predefined period (60 minutes default). Once the cabin temperature reaches an adequate configurable set point, EPCC is re-activated.

o By adding the DC powered free cooling ventilation system, the cabin temperature threshold could in most cases be maintained for possibly the entire hybrid cycle, once the air conditioner units are switched off. This makes it possible to configure an indoor type shelter to operate in continuous 24 hour EPCC mode, when used in conjunction with the free cooling ventilation system.


» Rectifier Status (I) o The status of the rectifier in terms of the monitored

alarms could be important to the hybrid cycle. Any rectifier alarm output could be used to inhibit hybrid mode from activating, should this alarm be active, prior to the hybrid cycle. (default configuration, if applicable, is to use Rectifier System Fail and Rectifier Module Fail as part of EPCC inhibit reasons)

» Generator Status (I) o The status of the generator AMF panel in terms of

the monitored alarms could be important to the hybrid cycle. Any AMF alarm output could be used to inhibit hybrid mode from activating, should this alarm be active, prior to the hybrid cycle. (default configuration, if applicable, is to use Generator Fault as part of EPCC inhibit reasons)

» Programmable Timers (J) o The EPCC activation and deactivation alarm criteria

is coupled to timers. Thus pre-configured alarms need to be active for a certain period, before it has any effect on the hybrid cycle. Once activated the hybrid cycle could be temporarily suspended part of a second set of timers. • Alarm Inhibit (I) An alarm configured part of the inhibit EPCC criteria will prevent EPCC from activating. The alarm needs to be present for a period of 5min (default) before it has an effect on EPCC activation. Only once the alarm is cleared for a period of 60min (default) would EPCC be activated. Any state change of the alarm during EPCC cycle would have no effect to EPCC operation. • Alarm Suspend (C) An alarm configured part of the suspend EPCC criteria will either prevent EPCC from activating, or temporarily suspend EPCC during the hybrid cycle. The alarm has no activation delay, but requires to be cleared for a period of 3min (default) before EPCC would be activated. Any state change of the alarm during the EPCC cycle would suspend EPCC operation.

» Hybrid Override Control (H) o The SAM2_CTL controller EPCC hybrid cycle, in

some cases has to be integrated with an external hybrid controller. This would require that the SAM2_CTL would be responsible for starting and stopping of the generator during the hybrid cycle, but the actual cycle would be determined by an external override control input.

o The following rectifier suppliers has a Hybrid Override Control output, used part of the EPCC suspend reasons: • Emerson • Grintek • Battery Technologies

o Should the rectifier determine that EPCC needs to be suspended, it would simply activate the Override Control output. This is an indication for the SAM2_CTL controller to start the generator.

o Should the rectifier determine to activate the hybrid cycle, the Override Control output is simply deactivated. The SAM2_CTL would activate EPCC 3min later (after the suspend period lapses).

2. Generator Start/Stopping Sequence during EPCC During normal operation when outside the EPCC configured time period, the SAM2_CTL controller in conjunction with the SAM2_GEN controller unit will start generator 1 (or generator 2, swap cycle dependant) 60 seconds (user programmable - B) after a commercial utility failure (A) is detected. If a generator 1 run indication (C) is not detected during the start pulse duration period (user programmable) followed by a mains/phase alarm clear indication (D) within 90 seconds (fixed) the SAM2_CTL controller will remove the generator start pulse and issue an AMF reset command (E). After the reset command the cycle would be repeated with the same generator, a total of four times. If not successfully started after

the fourth start attempt, a “Generator Fail to Start” alarm is activated and the same cycle repeated for generator 2. The “Generator Fail to Start” alarm would only be cleared should the generator responsible for the alarm, be successfully started or a remote generator reset command issued.

In most cases should EPCC activation be simulated by ensuring all alarm are cleared through making use of the SAMS Reset (ECT front panel screen) or physical power reset, the generator would only be stopped once the generator override timeout period (F) lapses (5 minutes default), provided all EPCC inhibit or suspend reasons are clear. Note: » Take note of the following setpoints during EPCC:

o EPCC Inhibit Reason (A): • Any alarm selected part of this group would

prevent EPCC from activating. Any alarm of this group that activates during EPCC mode, will have no effect on the EPCC cycle. (alarms such as Rectifier System Fail or Rectifier Module Fail)

o EPCC Suspend Reason (B): • Any alarm selected part of this group would

either prevent EPCC from activating, or temporarily suspend EPCC during an active EPCC cycle. (alarms such as Intruder or Generator Door)

o Masked Alarms (C): • Any alarm selected part of this group would be

masked during an active EPCC cycle. The purpose is to mask activation of any mains related alarms that would normally be activated during a mains failure due to the generator stopping upon EPCC activation. (alarms such as AC Mains Fail, AC Phase Fail or Navigation Lights)

o Continuous EPCC Mode (D): • EPCC mode could be configured to be active

over a continuous basis (24-hour daily). The SAM2_CTL controller will decide when to activate EPCC based upon a host of monitored conditions. (normally default configuration for an outdoor type site)

o EPCC Period (E): • EPCC could be configured to activate and

deactivate at certain times over a 24-hour period. (normally default configuration for indoor shelter type site – 18:00-06:00, cooler part of the day)

o Enter Current (F): • Primary EPCC activation criteria, due to a fully

charged battery bank.


• Calculated at 2% of total battery bank capacity. (E.g. 2% of a 650AH battery bank = 13Amp)

o Enter Voltage (G): • Secondary EPCC activation criteria. • Configured at 1Vdc above the battery bank

capacity. (E.g. 24Vdc = 25Vdc or 48Vdc = 49Vdc)

o Exit Voltage (H): • Primary EPCC deactivation criteria, due to a

low battery bank voltage. • 48Vdc Battery Bank = 46Vdc • 24Vdc Battery Bank = 23Vdc

o Retry Delay (I): • Time delay in hours before SAM2_CTL would

attempt to activate EPCC after an EPCC fail condition.

o Inhibit Alarm Clear (J): Refers to the period that any alarm part of the inhibit group must be cleared for, before EPCC would be activated. (default 60min)

o Inhibit Alarm Set (K): Refers to the period that any alarm part of the inhibit group must be active, before it would have an effect EPCC activation. (default 5min)

o Suspend Cancel Delay (L): Refers to the period that any alarm part of the suspend group must be cleared for, before EPCC would be activated. (default 15min)

o Mask Time (M) Refers to the period that any alarm part of the mask group must be suppressed during commercial utility mains on/off and generator start/stop switchover condition. (default 5min)

o Time Between Boosts (N) Refers to the time interval upon which a hybrid override would be executed. This feature is used on rectifier systems not equipped with an internal hybrid control function, such as Ericsson, to ensure the batteries are fully charged to 100% level. (default 240hours)

o Boost Charge Time (O) Works in conjunction with the “Time Between Boosts” setting and refers to the period that the generator should run for continuously upon hybrid override. (default 16hours)

o EPCC Selection (P) Refers to the functions that needs to be performed during EPCC (hybrid) activation: • Enable EPCC – “ticked” to activate EPCC

mode • Aircon control – “ticked” when an indoor type

site and air conditioning control is required during hybrid cycle (enables the “room temp regulate” setpoint as reference)

• Fan control – “ticked” when a DC free cooling ventilation system is installed on an indoor type site to enable adequate cooling during the hybrid cycle

o EPCC Fail Reason (Q) Refers to any reason as to why EPCC mode is prevented from activation. The SAM2_CTL controller makes use of two inhibit reasons, two fail reasons and two suspend reasons that could possibly prevent EPCC activation. • EPCC activation – all EPCC fail reasons would

be indicate as zero. • EPCC activation prevention – any of the inhibit

reasons, fail reasons or suspend reasons would indicate as a code number. (Simple double click on the number to display the actual alarm description responsible for the EPCC activation prevention). When the above reason is cleared, EPCC would be activated automatically.

o EPCC Fail Reason (Q)

The following table refers to the meaning of each EPCC Fail Reason code number.

16. SAM2 – Mobile Phone SMS

Commands The SAM2 mobile phone SMS commands is a feature that provides the technician with the ability to retrieve vital information from the remote BTS site, using a SMS text message through a normal mobile handset. The following list of SMS text messages are available: » Send text message “TS” to site: Test SAM.

Respond immediately with firmware version number, dated and time plus the number of active alarms.

» Send text message “AA” to site: Active Alarms Respond immediately with number of active alarms, the date and time plus all the active alarms (multiple sms’s may be transmitted should many alarms be active)

» Send text message “CP”: Check Power Used to check the power status of the BTS/RBS, responds immediately as follows: o Site ID o Utility Fail: ACT (Active)/CLR (Clear) o Mains Fail: ACT/CLR/DIS (Disabled) o Gen1 Run: ACT/CLR/DIS o Gen2 Run: ACT/CLR/DIS o Start Fail: ACT/CLR/DIS o EPCC On: ACT/CLR/DIS o BTS Batt Low: ACT/CLR/DIS o Alms Active: (Number of Active Alarms)

» Send text message “HS”: Hybrid (EPCC) Status


Used to check the Hybrid (EPCC) mode status, responds immediately as follows: o Site ID o Date & Time o Utility Fail: ACT/CLR o Mains Fail: ACT/CLR/DIS o EPCC (Hybrid Mode) On: ACT/CLR o Voltage (BTS Battery): Analog value o Charge Current: Analog value o Discharge Current: Analog value o Alms Active: (Number of Active Alarms)

» Send text message “CA##”: Check Alarm Respond immediately with status of the alarm number. To check alarm 6, send text message “CA06”, responds immediately as follows: o Triggered, Clear or Disabled. o Alms Active: (Number of Active Alarms) Can be useful to remotely determine whether an alarm is enabled or disabled. Refer to the following default alarm numbers: o Alarm 1 – Generator 1 Fault o Alarm 2 – Generator 1 Door o Alarm 3 – Generator 1 Running o Alarm 4 – Fuel Tank Lid o Alarm 5 – Generator 2 Fault o Alarm 6 – Generator 2 Door o Alarm 7 – Generator 2 Running o Alarm 8 – Utility Mains o Alarm 9 – Rectifier System Fail o Alarm 10 – Rectifier Module Fail o Alarm 11 – Rectifier Low Volt1 o Alarm 12 – Hybrid Override Control o Alarm 13 – Battery Cabinet Door o Alarm 14 – Battery Cabinet CLU o Alarm 15 – DC to DC Converter o Alarm 16 – Flood Alarm o Alarm 17 – Gate Alarm o Alarm 18 – Security Arming o Alarm 19 – Generator 2 on Load o Alarm 20 – Generator 2 Oil Pressure o Alarm 21 – Generator 2 Engine Temperature o Alarm 22 – Generator 2 Emergency Stop o Alarm 23 – Generator 2 Low Fuel or Water in Diesel o Alarm 24 – Mains on Load o Alarm 25 – Generator 1 on Load o Alarm 26 – Generator 1 Oil Pressure o Alarm 27 – Generator 1 Engine Temperature o Alarm 28 – Generator 1 Emergency Stop o Alarm 29 – Generator 1 Low Fuel or Water in Diesel o Alarm 30 – RBS Door (Intruder) o Alarm 31 – Panic o Alarm 32 – Movement o Alarm 33 – AC Phase Fail o Alarm 34 – Navigation Lights o Alarm 35 – Aircon 1 Power o Alarm 36 – Aircon 2 Power o Alarm 37 – Aircon 3 Power o Alarm 38 – Aircon 4 Power o Alarm 39 – Ventilation Fan Power o Alarm 40 – AC Mains Fail o Alarm 41 – Smoke Alarm o Alarm 42 – Smoke Detector o Alarm 43 – Aircon 1 Fail (Temperature) o Alarm 44 – Aircon 2 Fail (Temperature) o Alarm 45 – Aircon 3 Fail (Temperature) o Alarm 46 – Aircon 4 Fail (Temperature) o Alarm 47 – High Temperature o Alarm 48 – Very High Temperature o Alarm 49 – Multi Aircon Run (Dual Aircon) o Alarm 50 – 12V DC Fail o Alarm 51 – Config Corrupt o Alarm 52 – Fuel Tank 1 Low o Alarm 53 – Fuel Tank 1 Full o Alarm 54 – Fuel Tank 2 Low o Alarm 55 – Fuel Tank 2 Full o Alarm 56 – Fuel Probe 1 Fail o Alarm 57 – Generator Controller Fail

o Alarm 58 – Utility Meter o Alarm 59 – Credit Low (Utility Meter) o Alarm 60 – Credit Very Low (Utility Meter) o Alarm 61 – Credit Zero (Utility Meter) o Alarm 62 – Humidity Probe o Alarm 63 – Humidity High o Alarm 64 – Modem Fail o Alarm 65 – EPCC On o Alarm 66 – EPCC Fail o Alarm 67 – Generator Start Fail o Alarm 68 – Mains Frequency o Alarm 69 – Fuel Siphoned o Alarm 70 – Fuel Added o Alarm 71 – Generator 1 Battery Low o Alarm 72 – Current Probe o Alarm 73 – A/C Service Due (Aircons) o Alarm 74 – Generator Service Due o Alarm 75 – Fuel Probe 2 Fail o Alarm 76 – BTS Battery Bank Low o Alarm 77 – Generator 2 Battery Low

» Send text message “RG”: Reset Generators. Respond 60 seconds later as follows: o GEN1 RUN Triggered/Cleared o GEN2 RUN Triggered/Cleared o Date & Time o Alms Active: (Number of Active Alarms)

» Send text message “SG1”: Start Generator 1. Respond 60 seconds later as follows: o GEN1 RUN Status, i.e. GEN1 RUN Triggered o Date & Time o Alms Active: (Number of Active Alarms)

» Send text message “SG2”: Start Generator 2. Respond 60 seconds later as follows: o GEN2 RUN Status, i.e. GEN2 RUN Triggered o Date & Time o Alms Active: (Number of Active Alarms)

Note: » The reset and start generator commands operate exactly

the same as the remote commands from the ECT or NMC.

» Note the sms commands are not case sensitive e.g. can be: CP, Cp cP or cp.

» Keeping a cross-reference of alarm number and alarm names would be useful.


17. Rectifier Default Hybrid Configuration Before activating the hybrid (EPCC) function on any rectifier system, ensure the following default configurations are implemented:

1. Battery Technologies – SM65

2. SAAB Grintek GT305-1


3. SAAB Grintek FP412-41

4. Ericsson PBC6500

5. Ericsson PBC04


6. Emerson Hybrid (model dependant)


18. ITMS – Communications Control Unit The ITMS is a communication device with the purpose of managing and monitoring the remote telecommunications BTS sites. The ITMS unit is installed in the BTS. Communication to and from the BTS is done through a dedicated TCP/IP or GPRS backup connection. The ITMS communications control unit consists of a PCB with multiple network communications options for the purpose of remote BTS site asset management from a central management platform. A combination of these ports and the interaction of each, determines the operation and functionality of the unit. .

The ITMS communications controller consists of the following manageable ports and interfaces: o 2 x Front panel TCP-IP LAN port o 1 x Serial RS485 communications buss (port 1) o 2 x Serial RS232, 1 allocated to rectifier and the other for

local terminal diagnostics. o Optional protected Generator Port o Optional add on, 8 x RS232 ports. o Optional add on, 4 x TCP/IP ports. o Optional GSM Modem The TCP-IP LAN/WAN sub-system are constantly active. The TCP-IP sub-system provides a virtual connection to the Client LAN/WAN infrastructure, which in turn allows remote management of all BTS assets. Video images or video streaming could be obtained through the same TCP-IP sub-system via the use of a video DVR. The TCP-IP LAN/WAN sub-system are divided into two independent ports of operation. Both ports are active, both on the front of the unit. Both ports are used for management of a TCP-IP device, such as an on-site video DVR, web cam or

hydrogen fuel cell. The LAN/WAN sub-system provides a virtual connection to these devices, which in turn allows video images to be uploaded upon user request or alternative upon a triggered event or the remote management of the hydrogen fuel cell. The front port is coupled to the access control sub-system and automatically activated accordingly to user profiling upon site entry. This allows a communications channel between an attached laptop computer and the Clients LAN/WAN infrastructure. The Serial Data Port sub-system could be in the form of a RS.232, RS.485 or V.11 (X.21) connection. This sub-system provides a transparent connection from the ITMS Management console to the connected device in the BTS container. Currently the Data Port sub-system is used to provide a virtual connection to the following managed devices:

• Port 1 – RS485 communications buss with access control sub-system and environmental controller sub-system.

• Port 2 – RS232 connection to the Battery and Event Management sub-system (both Battery Technologies or Grintek rectifiers)

• Port 3 - 10 RS232 connection to the generator control sub-system (Note: it is suggested that the optional protected Generator Port is used with in this application as additional lightning protection will be required due to underground, outdoor long haul application of RS232 cable)

Ports 11 – 18, Unallocated TTL ports for future expansion, in providing a virtual connection to additional devices

18.1 Communications Controller – GSM Module The GSM Module is an optional extra which plugs onto the ITMS Communications controller unit. The function of the GSM Module is to provide a backup communication link when the primary TCP/IP communication link fails. The GSM module will use SMS or GPRS as a backup connection When the primary TCP/IP communication link fails the GSM Module will:

• Push alarm events to the ESM as they occur. Should there be no alarm events the unit will send a communication heart beat periodically to check communication status.

• Provide a GPRS connection so that secondary equipment can be accessed from the ESM using the RS232 port on the Communication Controller

.


18.2 Communications Controller – TCP/IP Main Controller The serial data port sub-system forms an integral part of the ITMS Communications Control unit. Port 1 and 2, in the form of a serial RS232 and can be connected to any Auxiliary device, which has an RS232 port.

18.3 Communications Controller – Rectifier Management The serial data port sub-system forms an integral part of the ITMS Communications Control unit. Port 2, in the form of a serial RS232 port can be used to connect to a peripheral device and change required config if necessary or monitor / manage it current status. Ensure to use a pin to pin SubD 9 male to female cable. See Auxillary Device Table at the end of the document

Usually Rectifiers are connected to port2. Battery Technology Rectifiers configure the following settings on the ITMS communications controller: o Select Port 2 for DCE operation by moving the link

accordingly. o Port configuration – Baudrate=19200, Port number=302,

Flow Control=none, IP=TCP and Idle time =5 When using a SM65 rectifier, make sure to use the following RJ45 to SubD 9 (male) serial adapter:

For Grintek Rectifiers configure the following settings on the ITMS communications controller: o Select Port 2 for DTE operation by moving the link

accordingly. o Port configuration – Baudrate=9600, Port number=302,

Flow Control=none, IP=TCP and Idle time =5 The purpose of the serial connection is to provide a virtual on-line connection to the Battery and Event Management software platform in order to provide the functionality of remote management.

RS485 Comms Pin No 4 - Wire 2 - wire

Door Override

Alarm Inputs DC Supply

1 Tx - A GND N/C Input 1 Neg - 24/48Vdc 2 Tx - B Tx (Pos) Common Input 2 Positive 3 Rx - A Rx (Neg) N/O Earth 4 Rx - B 5 6 7 8 9


18.4 Communications Controller – Generator AMF RS232 Management ITMS Communications Control unit, in the form of a protected serial RS232 port has been reserved for management of the Generator Control sub-system (Generator units) as it is a protected port due to outdoor underground application. Ensure to use a pin to pin SubD 9 male to RJ12 cable as follows:

The purpose of the serial connection is to provide a virtual on-line connection to the Generator Control Management software platform in order to provide the functionality of remote management.

18.5 Communications Controller – Fuel Cell Management or Web CAM ITMS Communications Control unit has 2 x TCP/IP ports available on the motherboard. An optional external plug-in LAN module has an additional 4 TCP/IP ports. These can be used to connect to Fuel Cells, ADX equipment or web CAM’s. Ensure to use a standard 10BaseT, IEEE802.3 cable. The IP address configuration information should fall within the allocated IP range of the ITMS Communications Controller for the applicable site.

Video images could be downloaded by the ITMS Communications Controller through manual request or upon a triggered event from the ITMC management platform. The Web Cam also has the ability to be addressed through a web interface using a cellular telephone for example The IP address configuration information for the Web Cam should fall within the allocated IP range of the ITMS Communications Controller for the applicable site.


18.6 Communications Controller – 8-Way RS232 Port (SP8) ITMS Main Controller has the ability to accommodate a plug-in expansion module, for the purpose of increasing the manageable serial ports from 2 ports to 8 pots. The SP8 would thus increase the remotely managed devices with an additional eight ports. Two SP8 modules could be added in total, thus increasing the remote managed devices up to eighteen ports per main controller. (first module being SP8 and the second SP8H) The SP8H plug-in module increases the remotely managed devices from 10 ports to 18 ports.

The port are labeled as follws:

18.7 Peripheral Communications The ITMS system consists of three main controlling devices, the Communications Controller, the Environmental Controller and the Access Control Unit, each responsible to perform a specific task. These units communicate internally using a common serial RS485 connection. The Access Control Unit could be multi dropped for the purpose of managing multiple doors, using the same serial RS485 connection. Each door to be managed would require an additional Access Control Unit to be added, each having a unique address.


19. ITMS2 – Access Control Unit The Access Control sub-system is an optional but integral part of the ITMS2 communications controller. Communication between the access control system, ITMS2 communications controller and environmental controller unit is through a serial RS485 connection. The units are all housed in the same 19” enclosure. The main purpose of the access control module is to allow site access upon a pre-defined user profile. The user profile also determines TCP-IP LAN access through a Laptop computer via the ITMS2 communications controller. Additionally the access control module also provides a by-pass facility of both the intruder and movement sensors, upon a valid access entry. This function ensures that all maintenance related alarms are eliminated during visits by technical maintenance personnel. Access Control sub-system consists of the following items: o Main Controller o Proximity Readers o Fail Secure Door Lock

19.1 Access Control Unit – Main Controller The main controller is the heart of the access control sub-system and consists of a PCB with the following ports:

19.2 Access Control Unit – Proximity Readers The access control sub-system makes use of a wired connection (Wiegand) to the proximity readers. The readers can read various transponder cards at the industry frequency of 125kHz, including Hitag1, Hitag2 and HT402 tags. The proximity readers include a tri-color LED for indication of the scanner status and a piezo buzzer to indicate a successful card read. o Normal operation: LED flashes blue (1sec intervals) o Valid access entry: LED flashes green o Invalid access entry attempt: LED flashes red

o Rotary dipswitch set to A: refers to 26 bit Wiegand. o Rotary dipswitch set to B: refers to 34 bit Wiegand

(default for ITMS2 system)

19.3 Access Control Unit – Fail Secure Door Locking Mechanism

The claw-lock is used to provide a secure locking facility to the door in question. The Clawlock is functionally similar to a conventional electromagnetic lock, but has exceptional holding force. The claw-lock is referred to as a fail secure lock, meaning that the lock is in the locked position with no power supplied to the lock solenoid. By applying power, the solenoid will release the claws. o Holding force: 1500kg / 3300lbs o Supply voltage: Order as 24Vdc or 48Vdc o Current draw: 1.8A @ 48Vdc

Installation Steps: » Connect the positive of the Claw lock (colour) to the

positive on the terminal strip of the ITMS2 shelf. » Connect the negative of the Claw lock (colour) to the

Lock supply output terminal strip of the ITMS2 shelf.

Note: » Connect the “Door Fail Safe” to the Com(Pin 2) and the

N/O(Pin 3) contact on the ITMS2 PCB. (if this is not done and is connected to the N/C contact the lock will burn out as it will be receiving constant power).


i 1. Door Failsafe Override (For fail secure lock) Due to the critical nature of the access control door locking mechanism and the fact that the lock is of the fail secure type (permanently locked upon power failure), a dual operation has been implemented to activate the door lock, referred to as the door failsafe override. Two separate independent DC supply circuits has been implemented for powering of the door lock: o Access Control Controller Door Lock Relay o ITMS2 Communications Controller Failsafe Lock Relay The primary circuit for operating the door lock is from the Access Control Controller using the door lock relay (NO) contact. The secondary circuit for operating the door lock is from the ITMS2 Communications Controlled using the failsafe door lock relay (NO) contact. In the event of the access control unit failing due to unforeseen reasons, the door lock mechanism could still be activated using the secondary failsafe mechanism.

19.4 Access Control Unit – Fail Safe Door Locking Mechanism

The Magnetic claw-lock is used to provide a secure locking facility to the door in question. The Magnetic claw lock is functionally similar to a conventional electromagnetic lock, but has exceptional holding force. The magnetic claw-lock is referred to as a fail safe lock, meaning that the lock is in the un-locked position with no power supplied to the lock solenoid. By applying power, the solenoid will energise the magnet and claws. o Holding force: 1500kg / 3300lbs o Supply voltage: Order as 24Vdc or 48Vdc o Current draw: 1.8A @ 48Vdc

Installation Steps: » Connect the positive of the Claw lock (colour) to the

positive on the terminal strip of the ITMS2 shelf. » Connect the negative of the Claw lock (colour) to the

Lock supply output terminal strip of the ITMS2 shelf.

Note: Connect the “Door Fail Safe” to the Com(Pin 2) and the N/C(Pin 1) contact on the ITMS2 PCB. (if this is not done and is connected to the N/O contact the lock will operate correctly. Meaning the lock will not be energized). 2. Door Failsafe Override (For fail safe lock) Due to the critical nature of the access control door locking mechanism and the fact that the lock is of the Fail safe type (permanently locked only when powerd), a dual operation has been implemented to activate the door lock, referred to as the door failsafe override. Two separate independent DC supply circuits has been implemented for powering of the door lock: o Access Control Controller Door Lock Relay o ITMS2 Communications Controller Failsafe Lock Relay The primary circuit for operating the door lock is from the Access Control Controller using the door lock relay (NC) contact. The secondary circuit for operating the door lock is from the ITMS2 Communications Controlled using the failsafe door lock relay (NC) contact. In the event of the access control unit failing due to unforeseen reasons, the door lock mechanism could still be activated using the secondary failsafe mechanism.


19.5 Exit Button A needed optional item part of the Access Control system peripherals is an exit button. The purpose of this button is to open the fail safe lock installed, should the door be closed and the lock engaged while inside the container.. The fail safe lock is de energized by simply pressing the exit button, allowing the door to be opened.. Typical indoor panic button installed

Installation Steps:

» Connect the panic sensor cable to the SAM2 main control krone termination unit (KTU). Krone block 3 position 3a & 3b for Panic alarm.

» Use the open-ended side of the cable and connect the orange and orange/white leads to N/C contact (blue and red leads) of the panic button. The N/O (green) lead is not used and not connected.

Note: » Ensure that the spare blue and blue/white lead is properly

insulated from the panic button metal housing as this pair carries the SAM2 controller unit auxiliary 12Vdc supply


19.6 Entry Sensor Bypass In order to active the intruder and movement bypass during an access entry the following connections have to be made: 1. Access Control Unit Relay 1 to Environmental Control

Unit General Purpose Alarm Input 24. Upon a valid access entry, the access control module indicates a bypass condition to the environmental controller. 2. Access Control Unit Relay 2 to ITMS2 Communications

Controller Alarm Input 1. Upon a valid access entry, with the correct user profile, the access control module indicates activation of the front port TCP-IP LAN port. 3. Environmental Control Unit Relay 1 to Access Control

Alarm Input 1. Upon a valid access exit, the environmental control unit indicates correct exit sequence by staff member. No valid access exit would cause violation rule to be activated.

19.7 Access Control Unit – Communications Port The access control sub-system makes use of a serial RS485 communications bus for remote management purposes. Bus 1 is used for communications between the ITMS2 Communications controller, ITMS2 Environmental and the Access Control controller. Bus 2 is spare and reserved for future use. Local on site diagnostics is done through a serial RS232 port.

Multiple access control units could be connected on the same serial RS485 bus for the purpose of managing multiple doors. Ensure that each access control controller is configured with a unique address in this regard.

When multiple access control units are used on the same RS485 bus, to control multiple doors, ensure that no termination jumpers are inserted (J8).


20. DVR – Set-up HK Vision (Front View)

HK Vision (Rear View)

1 Connecting the DVR Unit 1.1 Connect Cameras to the channels of the DVR Unit

(Channel 1, 2, 3 and 4) 1.2 Connect the LAN connection to the DVR Unit – From Router 1.3 Plug in the power supply of the DVR Unit 1.4 Switch on the DVR Unit by the power switch located at the

back of the DVR Unit Note: In order to change the DVR IP or connect to the DVR via a LAN connection, the host IP must be set in range of the DVR 2 Change the IP setting on your laptop/computer into

range of the DVR Unit

2.1 In the bottom right corner right click on the Local area connection

2.2 Click on “Status” 2.3 Click on “Properties” 2.4 Click on “Internet Protocol (TCP/IP)” 2.5 Click on “Properties” 2.6 Select “Use the following IP address” 2.7 Type in “IP address” (192.0.0.65 OR 172.18.8.222) 2.8 Type in by the “Sub net mask” (255.255.255.0) 3 Connecting to the DVR Unit via LAN 3.1 Open the Internet explorer browser on you laptop/computer 3.2 Type in the IP address of the DVR Unit in the address bar

192.0.0.64 if 192.0.0.65 has been selected for you laptop/computer OR 172.18.8.221 if 172.18.8.222 has been selected for you laptop/computer

4 Login to the DVR Unit 4.1 Username will be “admin” 4.2 Password will be “12345” 4.3 Port will be 8000 4.4 Click on “Login” 4.5 Double click on “01-Camera 01” * Now you should be able to see the view for camera 1 in the

first block 5 Changing the IP address of the DVR Unit * Once you have logged onto the DVR Unit via the LAN

connection 5.1 Click on “Config” 5.2 Type in the relevant information for the Site as provided to

you 5.3 Click on “Save” 5.4 Click on “Reboot” 5.5 Click on “Exit” 5.6 Close the Internet explorer browser 5.7 Change your laptop/computers IP address in range with the

new IP address of the DVR Unit that you have just set 5.8 Open the Internet explorer browser type in the new IP

address and login


21. SAM2 – Wiring Diagrams 1. SAM2_CTL Controller Unit – PCB Layout The SAM2_CTL controller unit makes use of an integrated wiring harness terminated on the SAM2_CTU cable termination unit, via dedicated RJ9 sockets and krone blocks for all alarm inputs, outputs, controls and auxiliary power connections. The air conditioner control switch cable is terminated on an IDC 10-way male header box. All DC power connections are terminated on Hartman screw terminals blocks (all power connections to the SAM2_CTL controller unit are pre-wired through terminal strips upon delivery)


2. SAM2_CTU Cable Termination Unit – Krone Block Wiring Termination (refer to the following table to interconnect the SAM2_CTL to the SAM2_GEN using a 20/30-pair multicore alarm cable)


3. SAM2_CTU Cable Termination Unit – PCB Layout


4. RBS Alarm Output Module The SAM2 controller unit makes use of a secondary plug-in module for the termination of the RBS alarm outputs (PIX Out) to be wired to the BTS radio external alarm input. The SAM2_CTL has the ability to map any of the monitored alarm inputs to any of the 24 RBS alarm outputs. Multiple alarm inputs could be mapped to a single alarm output. The alarm outputs could additionally be configured for N/O or N/C contacts. (N/C advisable to ensure alarm status is activated during a SAM2_CTL malfunction) The SAM2 Main Control unit wiring kit includes the RBS alarm cable. One side is terminated with a SubD 62-pin male connector and the other end open ended.


4.1 Ericsson RBS2106 and 2107 External Alarm Inputs The alarm inputs could be configured for Breaking or Closing. (Closing advisable to ensure alarm status is activated during a SAM2_CTL malfunction)

4.2 Siemens BS-240XL External Alarm Inputs


4.3 Huawei RBS2106 and 2107 External Alarm Inputs

4.4 Alcatel External Alarm Inputs


5. Utility Interface Module (UIM) – PCB Layout The SAM2 controller unit makes use of a plug-in daughter board utility meter communications module. The wiring for both the utility meter and UIU (user interface unit) is though screw terminal connections. All DC power connections are provided through the SAM2_CTL pin adapters and the RS485 communications are terminated on the IDC 10-way male header box. (all power connections and communications to the SAM2_CTL unit is pre-wired upon delivery) The interface module supports up to a maximum of four meters with LCD displays (refer to D, ports 2-4 spare for future expansion and not used)


6. SAM2_GEN Generator Control Unit – PCB Layout The SAM2 generator control unit (SAM2_GEN) makes use of an integrated wiring harness terminated on the SAM2 generator cable termination (SAM2_GTU) unit, via dedicated krone blocks for all alarm inputs and control outputs. All auxiliary power connections, AC or DC are terminated on Hartman screw terminals connectors. The SAM2_GEN and SAM2_GTU, makes provision for both single or dual generator application.


7. SAM2_GTU Generator Cable Termination Unit – PCB Layout (refer to the following table to interconnect the SAM2_GEN to the SAM2_CTL using a 20/30-pair multicore alarm cable)


22. SAM2 – Schematic Diagrams 1. SAM2 Main Control Unit DC Power Distribution All DC power connections between the terminal strips and the SAM2_CTL unit are pre-wired for the following:

o SAM2 Control Unit DC supply o Ventilation Fan supply o Ventilation Fan Drive o Ventilation Fan Control


2. DC Ventilation Free Cooling System – Indoor Sites The DC Ventilation Free Cooling System is an optional feature for indoor sites only. The Ventilation Fan is controlled through the FAN Drive lead of the SAM2_CTL unit for the purpose of variable fan speed control when the free cooling option is enabled. (running of the Fan at variable speeds in place of the air conditioner units)


3. Serial RS485 Communications The SAM2_CTL unit has two serial RS485 ports. Port one is used for communications to the Utility Interface Module and Port two for communications to the digital Fuel Probe. Each of these ports has the ability to be expanded for communications with any additional serial devices, such as generator AFM controllers. The serial communications connection to the Utility Interface Module is pre-wired upon delivery.


4. Commercial Mains Utility Management The Utility interface module has the ability to connect and communicate with up to four utility meters, each with a UIU (user interface unit) display. (only one utility meter and UIU interface is supported, the others are spare for future expansion) The meters could be deployed in a pre-paid mode, whereby the SAM2_CTL unit in conjunction with the utility interface module, would be capable of loading credit tokens remotely. In this mode the SAM2_CTL would manage the available credit and alert the management system upon a low credit indication. The meters could be deployed in a post-paid mode, whereby the SAM2_CTL unit in conjunction with the utility interface module, would be capable of monitoring load current, voltage, KwH consumption and optionally connecting or disconnecting the load upon supply stability.


5. Generator Management The SAM2_CTL unit in conjunction with the SAM2_GEN unit is responsible for full generator remote management. This includes the capability of starting and stopping the generator, alarm monitoring as well as calculation of service intervals (applicable to single or dual generator sets). The SAM2_GEN acts as a secondary failsafe standby unit in the event of SAM2_CTL unit malfunction.

END OF DOCUMENT

Date post:	24-Apr-2015
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SAM2 Product Manual V1.03

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