ComAp IG-NT GC Reference Manual page 142

Binary input: AccessLock ext
Related FW 3.2
Description This input forces all external remote terminals into monitoring mode.
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: Startblocking
Related FW 3.2
Engine start is disabled while this input is active. NotReady state is displayed on
Description
the controller main screen and the message Start blocking is displayed in the
Alarmlist.
Use this input to disable temporarily the genset to be started e.g. from an higher-
level automation device such as PLC.
N
OTE
The genset will not be stopped if the input is activated while the genset is running.
Binary input: Sd override
Related FW 3.2
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:
Inteli NT GeCon-MARINE SPI, SW Version 3.2, ©ComAp – July 2015
IGS-NT-GeCon-MARINE-SPI-3.2.PDF

Setpoints changes are disabled.

Executing commands is disabled.

Change of controller mode is disabled.
:
:

Emergency stop

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
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