InteliLite
NT
– MRS3,4, AMF8,9, SW version 1.4, ©ComAp – October 2008 47
IL-NT-MRS3,4-AMF8,9-1.4-Reference Guide.pdf
Gen-set Operation States
Engine state machine
Init Autotest during controller power on
Not ready Genset is not ready to start
Prestart Prestart sequence in process, Prestart output is closed
Cranking Engine is cranking
Pause Pause between start attempts
Starting Starting speed is reached and the Idle timer is running
Running Genset is running at nominal speed
Loaded Genset is running at nominal speed and GCB OPEN/CLOSE is closed
Stop Stop
ShutDowns Shut-down alarm activated
Ready Genset is ready to run
Cooling Genset is cooling before stop
EmergMan Emergency Manual gen-set operation
Electric state machine
MainsOper ^Mains is present
MainsFlt ^Mains cut off – immediate state
MainsFlt ^Mains cut off – takes EmergStart del
IslOper ^Island operation
MainsRet ^Mains recover
Brks Off GCB, MCB Opened
MinStabTO Minimal Stabilization Timeout
MaxStabTO Maximal Stabilization Timeout
Trans Del Forward return break delay. Delay between GCB opening and MCB closing
List of possible events
Events specification
Protection
type
Information on binary
output available (See
list of Binary outputs)
Description
Oil Press Wrn WRN YES Oil pressure is smaller than Wrn Oil
press setpoint.
Oil Press Sd SD NO Oil pressure is smaller than Sd Oil
press setpoint.
Engine Temp Wrn WRN YES Water temperature is greater than
Wrn Water temp setpoint.
Engine Temp Sd SD NO Water temperature is greater than Sd
Water temp setpoint.
V Battery WRN YES Battery voltage is out of limits given by
Battery <Volts setpoint.
Binary input Configurable YES Configurable Warning/Shutdown
alarms on the inputs of IL-NT.
Battery Flat SD YES If the controller switches off during
starting sequence due to bad battery
condition it doesn’t try to start again
and activates this protection.
Start Failed SD YES Gen-set start failed.
ParamFail NONE NO Wrong checksum of parameters.
Happends typically after downloading
new firmware or changing of the
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