HMI

Fig1: Scheme for micro PLC to Master PLC Interface

Filed Instrument

HMI Master PLC Micro PLC

Switches

Server/ Engineering Station

PC

Filed Instrument

Filed Instrument

Fig1: Typical communication between master PLCs and Historian

Master PLC

Historian Server

PC

Master PLC Master PLC Master PLC

Communication bus

Fig1: Typical scheme for EHVT (extra high voltage transformer) master PLC

Master PLC

Historian Server

PC

PCC breakers I/Ps Energy meter APFC feeder Transformer OLTC

panel

HMI

Fig2: Micro PLC Control Panel

Fig3: Scheme for Vibration indicator and monitoring system

VI1 VI2

VI4 VI3

VT1

VT2 VT4

VT3

Vibration Indicator

Fig3: Scheme for Pump bearing and winding temperature indicator and monitoring system

BTT2

Pure water Pump 1

CH1 CH2 CH3 CH4 CH5

Pure water Pump 2

CH1 CH2 CH3 CH4 CH5

Pure water Pump 3

CH1 CH2 CH3 CH4 CH5

Pure water Pump 4

CH1 CH2 CH3 CH4 CH5

Pure water Pump 5

CH1 CH2 CH3 CH4 CH5

BTT1

WTT1

WTT2

WTT3

Pure water pump 1

Fig3: Vibration panel and vibration indicator scheme

VI1 VI2

VI4 VI3

Pump 1&2 Pump 3&4

Pump 7&8 Pump 5&6

Pump 9&10

VI1 VI2

VI4 VI3

VI1 VI2

VI4 VI3

VI1 VI2

VI4 VI3

VI1 VI2

VI4 VI3

Fig4: Vibration Indicator and Monitoring Control Panel

VI1 VI2

VI4 VI3

Micro PLC #1

Micro PLC #2

Micro PLC #12

Micro PLC #13

Master PLC

Fig : Typical Micro PLC to Master PLC interface for 13 micro PLCs of filter house

E Tap Switch

E Tap Switch

Wireless Gateway

Note : This is typical scheme of daisy chain interface with Master PLC on wireless communication. Along with this, other single Micro PLCs will also interface with the Master PLC on their dedicated wireless communication as per note below

Terminal box of PLC panel

Analog I/Ps PT, USLT, Capacitance LT,

Turbidity, chlorine & PH transmitters

Motorised valve I/Os from existing switch gear panel

Motor and other I/Os

Server/ Engineering Station

PC

Printer

Redundant data communication bus

EPC 1

EPC 2

To optical fibre patch

panel Ethernet to optical fiber convertor

Time synch. clock

Details about type of Interface between Micro PLCs to Micro PLCs on Daisy chain & between Micro PLC’s to Master PLC on Wireless communication with Wireless Modem at both end: 1. Section#1 Master PLC to Micro PLC : a. Thirteen (13) Micro PLCs from filter bed section interfaced on Daisy chain & a common wireless modem interfaced

to the daisy chain set, which will be further interfaced with Master PLC b. One (1) Micro PLC from dosing system interfaced on dedicated wireless modem to Master PLC c. Three(3) Micro PLCs, each one from Clarifier interfaced on dedicated wireless modem to Master PLC d. One (1) Micro PLCs from Chlorine system interfaced on dedicated wireless modem to Master PLC 2. Section#2 Master PLC to Micro PLC : a. Thirteen (13) Micro PLCs from filter bed section interfaced on Daisy chain & a common wireless modem interfaced

to the daisy chain set, which will be further interfaced with Master PLC b. One (1) Micro PLC from Blower system interfaced on dedicated wireless modem to Master PLC c. Two(2) Micro PLCs, each one from Clarifier interfaced on dedicated wireless modem to Master PLC d. Two (2) Micro PLCs, each one from Back wash water pump interfaced on dedicated wireless modem to Master PLC

Details about type of Interface between Micro PLCs to Micro PLCs on Daisy chain & between Micro PLC’s to Master PLC on Wireless communication with Wireless Modem at both end: 3. Section#3 Master PLC to Micro PLC : a. Thirteen (13) Micro PLCs from filter bed section interfaced on Daisy chain & a common wireless modem interfaced

to the daisy chain set, which will be further interfaced with Master PLC b. One (1) Micro PLC from Blower system interfaced on dedicated wireless modem to Master PLC c. Three (3) Micro PLCs, each one from Clarifier interfaced on dedicated wireless modem to Master PLC d. One (1) Micro PLC from Back wash water pump interfaced on dedicated wireless modem to Master PLC 4. Section#4 Master PLC to Micro PLC : a. Thirteen (13) Micro PLCs from filter bed section interfaced on Daisy chain & a common wireless modem interfaced

to the daisy chain set, which will be further interfaced with Master PLC b. Two (2) Micro PLC from Blower system interfaced on dedicated wireless modem to Master PLC c. Two (2) Micro PLCs, each one from Clarifier interfaced on dedicated wireless modem to Master PLC d. One (1) Micro PLC from Recycle water system interfaced on dedicated wireless modem to Master PLC e. One (1) Micro PLC from Hill Reservoir system interfaced on dedicated wireless modem to Master PLC

Micro PLC

Master PLC

Fig : Typical single Micro PLC to Master PLC interface

Wireless Gateway

HMI HMI

Terminal box of PLC panel

Analog I/Ps PT, USLT, Capacitance LT,

Turbidity, chlorine & PH transmitters

Motorised valve I/Os from existing switch gear panel

Motor and other I/Os

Energy meters to be mounted on PCC & breakers refer I/O list

Note1 : This scheme is applicable for following PLCs: 1. Clarifier Micro PLCs -10 nos. 2. Dosing system PLC -1 nos. 3. Chlorine system PLC -1 nos. 4. Recycle water system PLC -1 nos. 5. Hill reservoir PLC-1 nos. Note2: Micro PLC shall be time synch. With master clock

Fig: Optical fibre patch panel scheme

Enterprise connectivity network (ECN)

Historian server & accessories, ECN, Firewall, GPRS, LVS

Ethernet to optical fibre convertor to be located in main control room

Optical fibre patch panel to be located in main control room

EFC EFC EFC EFC EFC EFC EFC

Row water master PLC

Pure water master PLC

EHVT master PLC

Filter PLC 1 Filter PLC 2 Filter PLC 3 Filter PLC 4

MIDC Server

Server/ Engineering Station

PC

Printer

Redundant data communication bus

EPC 1

EPC 2

To optical fibre patch

panel

Ethernet to optical fibre convertor

PLC CPU

Redundant I/O Bus

I/P Module O/P Module RS-485 TCP/IP

convertor

Relay cards

Terminal box of PLC panel

I/P’s from PCC, switch gear,

breakers & alarm

I/P from transformer

OLTC

O/P to control PCC breakers

Energy meters to be mounted on PCC & breakers refer I/O list

Time synchronization clock

Fig: Typical configuration for master PLC EHVT

Server/ Engineering Station

PC

Printer

Redundant data communication bus

EPC 1

EPC 2

To optical fibre patch

panel

Ethernet to optical fibre convertor

PLC CPU

Redundant I/O Bus

I/P Module O/P Module RS-485 TCP/IP

convertor

Relay cards

Terminal box of PLC panel

JB. Discrete I/Ps likre PR. Switch

at etc.

Analog JB. PT,EMF,USLT, BTD,

WTD, vibration

JB. Pump motor and motorised

actuators

Energy meters to be mounted on PCC & breakers refer I/O list

Time synchronization clock

Fig: Typical configuration for master PLC for Row water

Server/ Engineering Station

PC

Printer

Redundant data communication bus

EPC 1

EPC 2

To optical fibre patch

panel

Ethernet to optical fibre convertor

PLC CPU

Redundant I/O Bus

I/P Module O/P Module RS-485 TCP/IP

convertor

Relay cards

Terminal box of PLC panel

JB. Discrete I/Ps likre PR. Switch

at etc.

Analog JB. PT,EMF,USLT, BTD, turbidity, PH,

Chlorine WTD, vibration

JB. Pump motor and motorised

actuators

Energy meters to be mounted on PCC & breakers refer I/O list

Time synchronization clock

Fig: Typical configuration for master PLC for Pure water

Fig: configuration diagram for interface of historian server with master PLCs &MIDC server

Row water master PLC

Pure water master PLC

EHVT master PLC

Filter PLC 1 Filter PLC 2 Filter PLC 3 Filter PLC 4

Redundant master clock

Historian server & accessories

EFC (Ethernet optical fibre cable switch/convertor

EFC (Ethernet optical fibre cable switch/convertor

EFC (Ethernet optical fibre cable switch/convertor

Server/ Engineering Station

PC

Alarm Printer

Large video screen (LVS)

Graphics Printer

Virtual server & Historian

Virtual server & Historian firewall gateway. De- militarised zone (DMZ)

Enterprise network

connectivity

VPN to MIDC server

OFC patch panel

Tablet phone

MIDC server & firewall, gateway. De- militarised zone (DMZ)

Enterprise network connectivity

Corporate LAN

Fig: Virtual network connectivity with MIDC LAN and server