IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
sleep mode and do not communicate while the keyswitch input is
deactivated.
ECU ALARMS EVALUATION PERIOD WHEN THE ECU PWRRELAY IS USED
NOTE:
It is recommended to adjust the Prestart time to at least 3 sec to allow the
ECU to wake-up and begin the communication prior to the ECU
communication fault alarm is enabled.
ï‚· If this input is not configured the evaluation of ECU-related alarms is
enabled all the time.
NOTE:
If your ECU does not have the keyswitch input, however you want the ECU-related
alarms to be disabled while the engine is not running, configure the output onto a
virtual IO module (VPIO).
CAUTION!
This output should not be used for disconnecting of main power supply from the
ECU. Disconnecting of the main power supply while the engine is running might
cause the ECU will not be able to record eventual trouble codes into it's nonvolatile
memory.
Binary output: ECU Comm Error
The output is closed while there is an error in the communication with ECU, i.e.
while there is the alarm ECU comm error present in the alarm list.
Binary output: PeriphCommErr
The output is closed while there is an error in the communication with any
peripheral unit (e.g. IS-AIN8, IGS-PTM, ...).
Binary output: CtrlHeartBeat
The output provides alternating signal with rate 500ms active / 500ms inactive
while the controller is operational, i.e. it has passed all checks after startup and
no failure was detected.
If the output does not provide the alternating signal it may indicate following:
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