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