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
