IGS-NT-BC, SW Version 1.2.0,
©ComAp – January 2019
IGS-NT-BC-1.2.0 Reference Guide.PDF
186
Description
This input forces all external
remote
terminals into monitoring mode.
•
Setpoints changes are disabled.
•
Executing commands is disabled.
•
Change of controller mode is disabled.
An external remote terminal is any device, which reads and/or writes data
from/into the controller and is connected to the controller via any other
communication bus than the dedicated terminal RS485 bus.
N
OTE
:
An example of such terminal is a PC with InteliMonitor, any kind of remote display
connected via CAN2 or a PLC connected to the RS485 and communicating via
MODBUS.
Binary input: Sd override
Related FW
3.0
Description
If the input is closed, all 2nd level protections are overriden to allow engine run in
an emergency situation, e.g. when the gen-set works as a power supply for fire
extinguishing equipment.
All protections are displayed in Alarmlist and recorded into history, however the
controller leaves the gen-set in operation. If there are any protections still active or
not reset in the moment when the input is deactivated, the controller will react to
them in a standard way.
Following protections are
not
overriden by this input:
•
Emergency stop
•
Overspeed
•
Underspeed (only if
Fuel solenoid
= GAS ENGINE)
•
Binary and analog protections configured as
Sd override
type. In fact this
protection type means "Unoverridable shutdown", i.e. it works the same
way as standard shutdown protection, however it can not be overriden
(blocked) by the
Binary input: BGCB disable
Related FW
3.0
Description
The input is used to disable issuing the BCB closing command.
•
If the input is active during synchronizing, the controller will keep the
genset synchronized without issuing the BCB closing command until the
input is deactivated or
•
If the input is active and the BCB button is pressed in MAN mode to close
the BCB to dead bus, the BCB will not be closed until the input is
deactivated and the BCB button pressed again.
•
If the input is active and the BCB is to be closed to dead bus
automatically, the BCB will not be closed until the input is deactivated.