IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
This signal works correctly only if IM-NT is used as the MCB/MGCB control
device.
Binary output: Derating 1 act
IS-NT specific funtion!
This output is closed when level 1 derating is active. For more information on
power derating see chapter Power derating.
Binary output: Derating 2 act
IS-NT specific funtion!
This output is closed when level 2 derating is active. For more information on
power derating see chapter Power derating.
Binary output: Engines swapped
This output is activated by the master controller for 100 ms pulse when the priority
of two gen-sets was swapped by the Running hours equalization function.
Binary output: Neutral CB C/O
This output is intended for control of the neutral contactor. The output provides
continuous signal while the neutral contactor has to be closed. Use the input
NeutralCB fdb for the neutral contactor feedback.
Response time of the contactor must be less than 400ms. If the contactor does
not respond to an open or close command within this time, the alarm Wrn NCB fail
is issued.
NOTE:
Learn more about neutral contactor in the description of the setpoint #Neutral
cont..
Binary output: ECU PwrRelay
This output is used for control of the "Keyswitch" ECU input. The output is closed at
the beginning of the prestart phase, remains closed while the engine is running,
and is opened when the engine has to be stopped. The keyswitch input may be
also labeled as "15" according to cable numbering convention used in vehicles.
ď‚· If this input is used (configured), the evaluation of ECU communication
fault alarm and other ECU-related alarms is enabled only while the engine
is beeing started or is running. The reason is that most of ECUs go to
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