IS-NT-Async-SPI, SW Version 1.2, ©ComAp – February 2011
IS-NT-Async-SPI-1.2.PDF
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Hint:
Step, Range and dimension depend on corresponding Analog input sensor characteristic.
Prestart time [ s ] (FV)
The binary output PRESTART is active prior to engine start for this time.
Set to zero if you want to disable this function.
Step: 1s
Range: 0 – 3600 s
Force value possibility: Yes
Prelubr time [ s ] (FV)
This is the time the binary output PRELUBR PUMP is active. The controller will activate the binary output
PRELUBR PUMP for this time, then pause for Prelubr pause, then activate it again. This will continue the
entire time the engine is not running and the controller is not in OFF mode and EMERGENCY STOP is not
active.
Step: 1s
Range: 0 – 3600 s
Force value possibility: Yes
Prelubr pause [ min ] (FV)
Pause between prelubrication cycles.
Step: 1 min
Range: 1 – 3000 min
Force value possibility: Yes
Hint:
To use Prelubrication, configure Binary output PRELUBR PUMP first.
Prelubrication is disabled in controller OFF mode or if Prelubr time is set to zero.
Binary output PRELUBR PUMP is opened when engine is running.
Prelubrication cycle starts PrelubrPause after engine stop.
Prelubrication cycle starts immediately when controller power supply is switched on or when mode changes
from OFF to MAN or AUT or after Emergency stop was reset. An Alarmlist message “Not lubricated” is active
until this first lubrication cycle has been completed.
MaxCrank time [ s ] (FV)
The maximum time the starter motor is energized.
Step: 1s
Range: 1 – 240 s
Force value possibility: Yes
Hint:
If Fuel solenoid = GAS ENGINE, the engine will crank 25% longer with closed fuel valve after the last
unsuccessful attempt in order to ventilate the remaining gas.
If magnetic pickup is used and the controller does not receive non-zero RPM within 2s after energizing the
starter motor, then cranking pause follows immediately.
If Fuel solenoid = DIESEL, magnetic pickup is used and the controller does not receive non-zero RPM within
5s after energizing the starter motor, then cranking pause follows immediately.
CrankFail time [ s ] (FV)
Time which enables to engine gain any min. RPM.
Step: 0,1s
Range: 5 – 60 s
Force value possibility: No CrnkFail pause [ s ] (FV)
Pause between crank attempts.
Step: 1s
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