IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
switched by the mode selector on the front panel or by the input Remote TEST).
Binary output: SystReady
The output is closed while the group of gen-sets has enough capacity to fulfil the
requested power reserve. If this output is not closed it means the system has not
enough capacity to fulfil the reserve even if all the gen-sets will run.
NOTE:
Fulfiled reserve means the actual reserve is above the requested reserve for start.
NOTE:
This output do not indicate the requested reserve has been already fulfiled. It
only indicates whether the system is able to fulfil it or not.
Binary output: Ready for Load
This output is closed while the gen-set is running, it's voltage and frequency are in
limits and the GCB is able to be closed or is already closed.
Binary output: Stand-by ready
This output is intended for indication, that the gen-set is ready for standby
operation, i.e. for automatic start and taking over the load. The output is closed
while:
the genset is not running and
the controller is in AUT or SEM mode and
there isn't any alarm blocking start of the gen-set and
AMF function and island operation are enabled (Island enable, MFStart
enable).
Binary output: Gen-set active
The output closes at the beginning of the prestart phase and opens after the gen-
set has been fully stopped. If the gen-set fails to start the output opens after the
last cranking attempt.
NOTE:
The output also closes if the engine begins to rotate spontaneously.
Binary output: Operational
The output is closed when the gen-set is ready for operation or is currently in
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