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TEM EvolutionSystem
List of Limit Values, PLC release: 2.50.04 CPU-P
System Manual
We reserve the right on necessary technical modification of the product, deviating from this document in order to improve the engines.The reproduction, transmission or use of this document or its content is not permitted without express written authorization.
Last revised on: 03.11.09
Docu-ID: GW_620_2020_2.50.04_EN_CPU-P
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System Manual
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Impressum:
MWM GmbH
Service VS
Carl-Benz-Strae 1
D68167 Mannheim, Germany
Phone: +49 (0) 6 21 3 84-0
Fax: +49 (0) 6 21 3 84-88 41
www.mwm.net
Printed in Germany
All rights reserved
This document applies to the following gas engines:
Series:
620, 2020
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1 Notes
1.1 Validity
This list of limit values is only valid for gas engines disbributed by MWMequipped with the TEM-Evo-System. It is only suitable for the engine type ind-cated on the front page.
The list of limit values is valid for the following software release until a new listof limit values will be published.
2.50.04 CPU-P
1.2 Design of the List of Limit values
Please observe the following documents: Operating instructions MWM User's guide and system manual of the TEM-Evo systems,
particularly the system manual Operation log
Column Explanation
Identification
Name of the limit value
Sensor monitoring
Fault Event of type FaultThe genset is shut down immediately.
Fault. SC Event of type Fault SCThe genset is stopped by controlled shutdown.
See Function Fault SC page 5.
Alarm Event of type AlarmThe alarm is recorded as a note in the operation log.
Alarm (LR) Event of type Alarms (LR)The admissible power is limited.The alarm is recorded in the operation log.See Function Alarm (LR) page 5.
Time of delay withunit
Limit value for monitoring with delay time
RA RA: Remote acknowledgement10 h: Remote acknowledgement every 10 h possibleX: Fault that can be remotely acknowledged
(all alarms can be remotely acknowledged).
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Monitoring
Monitoring of the measured value for observance of thelimit value
Undershooting of a limit value with fault
Undershooting of a limit value with alarm
Undershooting of a limit value with message
Exceeding a limit value with fault
Exceeding a limit value with alarm
Exceeding a limit value with message
Limit value Limit value for monitoring with unitFor parameter depending limit values that value isindicated which results from the default value of theparameter.The way to find the default value of the parameter isdescribed in column Comment.
Delay Time of delay with unit
Column Explanation
RA see before
NA X: Automatically acknowledgeable fault in case of mains fault.
In case of a mains fault under 30 s theTEM-Evo-System tries to re-establish the
readiness for start by automatic acknowledge of the
marked faults.
Comment Comment
Column Explanation
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1.2.1 Function Fault SC
Load run
During load run (mains parallel mode) a fault of the type Fault SC causes thecontrolled shutdown of the genset.
When a Fault SC appears the admissible power is immediately set to thecurrent actuall power. Thus a further increase of the power is prevented.
After expiration of the delay time (e.g. 5 minutes) the admissible power is re-
duced to 0.0 %. The set power follows the admissible power to a parameteris-able ramp.
Setting of the delay timet:Parameter 10033 Delay time fault SC
Specification of the ramp for the set power:Parameter 23007 Power control set ramp controlled shutdown
In case that the value of the actual power is below 10 %, the genset is dese-
lected.Note
If all faults of type Fault SC can be acknowledge in the operation log duringthe shut down process, the power is increased again to the externally demand-ed power and the load run is continued.
Idle
If the genset is not operated in load run, every fault of type Fault SC causesthe immediate shutdown of the genset. With a pending Fault SC a start ofthe genset or the idling operation are impossible.
Figure 1: Controlled shutdown of the genset with Fault SC
1.2.2 Function Alarm (LR)
Events of type Alarm (LR) are intered in the operation log as an alarm. Ad-ditionallz, the admissible power is restricted to maximally 80 %. The power re-duction is marked in the operation log by the alarm Power reduction to safepower.
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1.3 Abbreviations
Abbreviations Explanation
AES Demand of external starting preparations
AKR Anti-knock governor
AVW Preheating air inlet
AWG Exhaust wastegate
BY Exhaust bypass
CH4 Additional CH4 compensation
CH4K Extension of option CH4.
DK Leakage check
GK Intercooler circuit
GKS Intercooler-dry cooler
GKV Valve position of the GK valve
GL Monitoring of the generator bearing temperatures
GLU Generator air temperature
GW Generator winding temperatures
HK Heat utilization with heating circuit
HKV Valve position HK valve
MK Jacket water control
NA Handling of mains fault
NATL Monitoring of the exhaust gas temperature after exhaustturbocharger
NAWT Exhaust gas temperature after exhaust heat exchanger
NFI Lube oil pressure after filter
NK Emergency cooling circuit
NKS Emergency cooler - dry cooler
NKV Valve position NK valve
NKAT Monitoring of the exhaust gas temperature after catalyst
NMOT Monitoring of the exhaust gas temperature after engine
QE Acknowledgement of external monitorings
REC Registration of receiver pressure
RL Control of cabin air temperature
RL1 Cabin ventilation with admixture or frequency-controlledcoolers
SATL Measuring and limitation of the exgaust turbocharger speed
VAWT Measuring of the heating water temperature beforeexhaust gas heat exchanger
VBP Compressor bypass
Abbreviations Explanation
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VKWT Jacket water temperature before jacket water heatexchanger
VNK Heating water temperature before emergency cooler
VSWT Measuring of jacket/heating water before lube oilexchanger
xM Parameterisable messages
xMW Parameterisable data
xPR Parameterisable control circuits
ZG Dual gas operation with change of the gas type only at astandstill
ZGM Dual gas operation with composite mode
Abbreviations Explanation
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List of Limit Values
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2 List of Limit Values
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
T202 Jacket water GK inlet Fault. SC 500 ms X [GK]
T206 Jacket water engine outlet Fault. SC 500 ms X
Alarm 98,0 C 2 s
Fault 99,0 C 2 s X X
Message 20,0 C 240 min
T202 Jacket water GK inlet Fault. SC 500 ms X
Message 80,0 C 5 min Power reduction; Limit value: Par.13400; Island: Delay 30s
Fault 98,0 C 2 s X
Collective fault jacket water tempera-tures
Fault 0 ms T206 and T207 failed, automaticallyacknowledgeable
P196 >Lube oil before filter Fault. SC 500 ms X
Alarm 3.00 bar 0 ms Operational oil pressure
Fault 0.30 bar 1 min Start prelubrication Delay at a stand-still: 60s
Fault 2.80 bar 0 ms Operational oil pressureP302 Lube oil after filter Fault. SC 500 ms X
Alarm 4.00 bar 500 ms Operational oil pressure 900rpm:Limit value .5.0bar
Fault 0.30 bar 1 min
Fault 3.80 bar 500 ms Operational oil pressure 900rpm:Limit value 4.8bar
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P302.1 Differential pressure lube oil
Alarm 1.00 bar 2 min
Fault. SC 1.50 bar 2 min
Alarm -1.00 bar 2 min
T208 Lube oil Fault. SC 500 ms
Alarm 105,0 C 2 s
Fault. SC 110,0 C 2 sL234 Lube oil level Fault. SC 500 ms
L234.1 Lube oil level Filtered value
Message 95,0 % 0 ms Enabling only during oil change
Fault 120,0 % 20 s 10 h With the engine at standstill delay 1s
Message 50,0 % 0 ms Enabling only during oil change
Fault 30,0 % 20 s 10 h With the engine at standstill delay 1s
Xxxx Number of pre-lube faults
Alarm 0 0 ms 1. Prelube fault
Fault 5 0 ms
T201 Receiver Fault. SC 500 ms X [GK]
Message 52,0 C 5 min Power reduction; Limit value: Par.13800; Island: Delay 30s
Message 55,0 C 2 s Limit value: Par. 13800 + 3,0KFault. SC 57,0 C 2 s 10 h Limit value: Par. 13800 + 5,0K
T378 Receiver B Fault. SC 500 ms X [GK]
Message 52,0 C 5 min Power reduction; Limit value: Par.13800; Island: Delay 30s
Message 55,0 C 2 s Limit value: Par. 13800 + 3,0K
Fault. SC 57,0 C 2 s 10 h Limit value: Par. 13800 + 5,0K
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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T203 Inlet air Alarm 500 ms
Message 30,0 C 0 ms With [AVW] limit value: Par.23230/23231 + 3.0K
Alarm 35,0 C 2 min [RL without T404]; Limit value par.13900 - 5.0K
Fault. SC 40,0 C 2 min X [RL without T404]; Limit value par.13900
Alarm 20,0 C 30 s Enabling after 1 h engine running;Limit value par. 23230 - 5.0K
T377 Intake air B Alarm 500 ms
Message 30,0 C 0 ms With [AVW] limit value: Par.23230/23231 + 3.0K
Alarm 20,0 C 30 s par. 23230 - 5,0K
P232 Receiver Alarm 500 ms [REC]
P270 Receiver B Alarm 500 ms [REC]
P268 Boost pressure Alarm 500 ms [REC]
T461 Combustion chamber A1 Fault. SC 500 ms X For each cylinder individually
Fault 600 C 6 s 10 h
Alarm 240 C 20 s Limit value 50K-120K below averagevalue
Fault. SC 240 C 2 min 10 h Limit value 50K-120K below averagevalue; Island operation: Verz. 8 min;Leistungsreduktion solange unterGrenzwert
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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T471 Combustion chamber B1 Fault. SC 500 ms X For each cylinder individually
Fault 600 C 6 s 10 h
Alarm 240 C 20 s Limit value 50K-120K below averagevalue
Fault. SC 240 C 2 min 10 h Limit value 50K-120K below averagevalue; Island operation: Verz. 8 min;Leistungsreduktion solange unter
Grenzwert
T204 Cold junction A Fault. SC 500 ms X
T205 Cold junction B Fault. SC 500 ms X
T46x.7 Combustion chamberaverage
Average value side A
Fault 450 C 500 ms 10 h Limit value 100K (mains) / 160K(island) above set value
T47x.7 Comb. chamber aver. B Average value side B
Fault 450 C 500 ms 10 h Limit value 100K (mains) / 160K(island) above set value
T4xx.2 Act. combustion chamber Filtered value
Fault 0 ms More than 2 sensors failed automati-cally acknowledgeable
Fault 150 C 0 ms
Deviation comb. chamber control
Fault. SC 10 C 5 min 10 h With a higher deviation less delaytime
Fault. SC -10 C 5 min 10 h With a higher deviation less delaytime
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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Deviation comb. chamber control B
Fault. SC 10 C 5 min 10 h With a higher deviation less delaytime
Fault. SC -10 C 5 min 10 h With a higher deviation less delaytime
Gas mixer limit stop lean
Message 4 s Stop position not reached
Gas mixer start position OK
Message 0 ms Stop position not reached
Alarm 0 ms Start position not reached erreicht onstart abort
Gas mixer limit B stop lean
Message 4 s Stop position not reached
Gas mixer B start position OKMessage 0 ms Stop position not reached
Alarm 0 ms Start position not reached erreicht onstart abort
T494 Exhaust after ATL A Alarm 500 ms [NATL]
Alarm 550 C 15 min Limit value: par. 15111 / 15113
T495 Exhaust after ATL B Alarm 500 ms [NATL]
Alarm 550 C 15 min Limit value: par. 15111 / 15113
T286 Exh. after engine Alarm 500 ms [NMOT]
Alarm 550 C 2 s Limit value: par. 15111 / 15113
T287 Exhaust after KAT Fault. SC 500 ms [NKAT]
Fault 550 C 2 s Limit value: par. 15111 / 15113
T496 Exhaust after CAT B Fault. SC 500 ms [NKAT]
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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T288 Exhaust after AWT Alarm 500 ms [NAWT]
Alarm 180 C 2 s Limit value: Par. 15112
S492 Speed ATL A Alarm 5 s [SATL]
P157 Exhaust back press. too high Limit value switch
Alarm 50 mbar 2 min
Anti-knock governor available [AKR]
Alarm (LR) 0 ms AKR-card missingAKR Speed signal [AKR] Error speed signal
Alarm (LR) 5 s Enabling during load run
ZA maximum adjustment ignitionpoint A side
[AKR] Sturdy ZZP-adjustment
Alarm 0 ms Sturdy ZZP-adjustment; Limit value:Par. 115036.0; bit-coded display
ZA maximum adjustment ignition
point B side
[AKR] Sturdy ZZP-adjustment
Alarm 0 ms Sturdy ZZP-adjustment; Limit value:Par. 115036.0; bit-coded display
Critical fault! Engine test required! [AKR] Maximum ZZP-adjustment
Fault -9,0 0 ms Limit value: Par. 11502 - 1,0 ; atleast -3.0
AKR Knock sensor fault bank A [AKR]
Alarm (LR) 10 s
AKR Knock sensor fault bank B [AKR]
Alarm (LR) 10 s
AKR Function block [AKR]
Alarm (LR) 0 ms
ZA Cabling of ignition coil bank A Cabling of ignition coi.
Message 0 ms
Alarm 1 min
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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ZA Cabling of ignition coil bank B Cabling of ignition coi.
Message 0 ms
Alarm 1 min
Ignition system ignites Feedback from ZA
Fault 3 s 10 h Ignition does not ignite
Ignition system error code Fault message from ZA
Alarm 0 msFault 3 s 10 h
Ign. system capacitor discharge bankA
Error capacitor discharge
Message 0 ms
Alarm 1 min
Ign. system capacitor discharge bankB
Error capacitor discharge
Message 0 ms
Alarm 1 min
Ign. system condition serialconnection S
Timeout ZA-communication
Fault. SC 3 s
Ign. system condition serialconnection W
Error ZA-communication
Message 0 ms
P145 Crank case Fault 0 ms
Fault 10,0 mbar 0 ms After start-up phase; limit value atrated speed 1800 rpm: 20,0 mbar
Alarm -10,0 mbar 5 min with engine running
T501 Main bearing Alarm 500 ms [GLT]
xxxx Number of start attempts
Fault 3 0 ms 10 h X
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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S200 Engine speed
Alarm 1725,0 rpm 0 ms Limit value: Par. 11108 + 15% (bzw.+20%), w. auto acknowledgement
Alarm 80,0 rpm 0 ms Speed bef. start
Fault 1725,0 rpm 200 ms Limit value: Par. 11108 + 15% (or.+20%)
Fault 1350,0 rpm 500 ms 10 h Limit value depending on condition
S110 Set value speed Fault 500 ms X only with analogue specification of the set speed
G197.1 Throttle valve position Fault 500 ms Feedback voltage; sensor monitoring:Current voltage is < 1.00 V or > 3.30V. actual value 4.00 V: Line V- inter-rupted; Actual value < .1.00 V: LineV- interrupted; otherw.: line V+, V- or
P interruptedG197.Throttle valve position Fault 0 ms Position StG; sensor monitoring:
Current position is < -30.0 % or >130.0 %
DZR Current derating
Alarm 5 s Enabling during load run
DZR Short circuit power stage
Fault 0 msDZR TDC sensor error TDC-signal missing
Fault 2 s 10 h Enabling with the engine running
Alarm 0 ms Enabling with the engine running,auto acknowledgement
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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DZR Tooth number fault
Fault 2 s 10 h Enabling with the engine running
Alarm 0 ms Enabling with the engine running,auto acknowledgement
DZR TDC mixed up with gear ring
Fault 2 s 10 h
Alarm 0 msE198 Actual power generator Fault 500 ms X
E198.2 Actual power Filtered value
Fault. SC 105,0 % 2 min Overload; Limit value: Par. 13100 +5%
Fault 120,0 % 5 s Overload
Fault -5,0 % 12 s X X Reverse power; Delay Par. 13510
E198.8 Actual power in KWAlarm 410 kW 45 min Minimum load 620, 2020, 2020K;
V12: 305kW, V16: 410kW, 2020 V20:585kW
Fault 410 kW 60 min X X Minimum load 620, 2020, 2020K;V12: 305kW, V16: 410kW, 2020 V20:585kW
Deviation power controlFault. SC 5,0 % 5 min On start and retrace of the engine:
limit value 20%
Alarm -5,0 % 5 s Exceeding the admissible power inisland operation
Fault -5,0 % 30 s Exceeding the admissible power inisland operation
Fault. SC -5,0 % 5 min
Identification Sensor monitoring RA Monitoring Limit value Delay RA NA Comment
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Power reduction due to jacket watertemperature
Message 0,0 % 0 ms Enabling with message T207
Power reduction due to receivertemperature
[GK]
Message 0,0 % 0 ms Enabling with message T201/T378
Power reduction due to throttle
Message 0,0 % 2 min Island: Delay 30s
Fault -40,0 % 0 msPower reduction due to CH4-value [CH4]
Message 0,0 % 0 ms Enabling with message Q311
Power reduction due to AKR [AKR]
Message 0,0 % 2 min Island: Delay 30s
Alarm 0,0 % 2 min Island: Delay. 30s, auto. acknowl-edgeable, indicator of incorrect
parameterisation Par. 11502Power reduction due to ATL speed [SATL]
Message 0,0 % 2 min Island: Delay 30s
Wastegate position (%) Fault. SC 0 ms [AWG] Position StG; sensor monitoring: Current position is < -30.0 % or > 130.0 %
Wastegate position (V) Fault. SC 500 ms [AWG] Feedback voltage sensor
monitoring: Current voltage is < 1.00V or > 3.30 V. actual value 4.00 V:Line V- interrupted; Actual value 130.0 %
Compressor bypass position (V) Fault. SC 500 ms [VPB] Feedback voltage sensormonitoring: Current voltage is < 1.00
V or > 3.30 V. actual value 4.00 V:Line V- interrupted; Actual value