IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
Binary output: MainsParams OK
This output indicates that the mains is healthy. The output is closed while all
mains electrical parameters are in limits.
Binary output: Bus Params OK
This output indicates that the bus is healthy. The output is closed while all bus
electrical parameters are in limits.
Binary output: kWh pulse
This output generates 100ms pulse always when the internal kWh counter
incremented.
Binary output: In synchronism
This output is closed during synchronization when all synchro conditions have
been fulfilled. The output is opened either when:
the synchro conditions are lost or
the corresponding breaker has been closed or
the sychronizing was interrupted or timed out.
Synchro conditions are following:
Phase shift between generator and mains (bus) voltage must be within
range of ±Phase window for period longer than Dwell time.
Voltage difference between generator and mains (bus) voltage (in all
phases) must be lower or equal to Voltage window for period longer than
Dwell time.
The output is intended for manual synchronization. Automatic closing of GCB
must be disabled for this case. Use the input GCB disable.
Binary output: InMainsParal
This LBO indicates that controller (or logical group, which the controller is member
of) is connected to the mains. It means that there exists a way across MCB (IM-
NT-MCB application) or MCB+MGCB (IM-NT-MGCB application) to the controller.
It is possible to configure this signal as MCB feedback of the controller, what can
be useful for complicated applications with higher amount of mains.
NOTE:
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