| Table 4‐15 Engine Setpoints |
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Start RPM |
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| “Firing” speed when iL controller stops cranking (starter goes OFF). | ||||||||||||||
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| Step: 1% of nominal RPM; Range: 5 - 50 % | ||||||||||||||
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Starting POil |
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| When reached controller stops cranking (starter goes OFF). | ||||||||||||||
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| Step: 0,1 psi; Range: | ||||||||||||||
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| Note: There are three conditions for stop cranking: Starting RPM, | ||||||||||||||
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| StartingPOil and D+ (when enabled). Starter goes off when any | ||||||||||||
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| of these conditions is valid. | ||||||||||||
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Prestart time |
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| Time of closing of the | ||||||||||||||
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| Set to zero if you want to leave the output | ||||||||||||||
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| Step: 1s; Range: 0 - 600 s |
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MaxCrank time |
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| Maximum time limit of cranking. | Step: 1s; Range: 1 - 60 s | |||||||||||||
CrnkFail pause |
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| Pause between crank attempts. Step: 1s; Range: 5 - 60 s | ||||||||||||||
Crank attemps |
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| Max number of crank attempts. Step: 1; Range: 1 - 10 | ||||||||||||||
Idle time |
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| Idle time delay starts when RPM exceeds Start RPM . Start fail is detected | ||||||||||||||
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| when during Idle state RPM decreases below 2. | ||||||||||||||
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| During the Idle time timer running the binary output IDLE/NOMINAL is | ||||||||||||||
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| opened, when it elapses the IDLE/NOMINAL output closes. | ||||||||||||||
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| Binary output IDLE/NOMINAL opens during Cooling period again. | ||||||||||||||
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| Step: 1 s; Range: 0 - 600 s |
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| Note: If the IDLE function not supported on the governor, set the Idle time | ||||||||||||||
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| nevertheless to minimum 5s to avoid Underspeed possibly | ||||||||||||
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| caused by instability of the engine short after start. | ||||||||||||
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GCB CloseDelay |
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| GCB can be closed earliest GCB CloseDelay after Stabil time when all | ||||||||||||||
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| electric values are in overunder voltage and | ||||||||||||||
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| Step: 1 s; Range: 0 - 300 s |
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Stabil time |
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| Generator Nominal voltage is detected during genset start after starter is | ||||||||||||||
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| switched off and Idle time elapses. Electric generator protections are | ||||||||||||||
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| active since detection. Step: 1 s; Range: 0 - 300 s | ||||||||||||||
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MinStpValvTime |
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| Binary output Stop solenoid closes when stop sequence begins and | ||||||||||||||
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| closes at least for MinStpValvTime. Example MinStpValvTime = 20 sec. | ||||||||||||||
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| a) When engine stops (RPM=0) in 10 seconds, Binary output Stop | ||||||||||||||
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| solenoid still stays closed for 10 sec. | ||||||||||||||
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| b) When engine stops in 30 seconds, Binary output Stop solenoid opens | ||||||||||||||
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| 10 seconds after RPM=0 and Vg =0 and Oil pressure = 0. Those 10 sec is | ||||||||||||||
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| fix time for safe stop. Step: 1s; Range: 0 - 180 s | ||||||||||||||
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| Note: Stop of engine is detected when all following conditions are met: | ||||||||||||||
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| RPM =0, Oil pressure < StartingPOil and Generator voltage < 10 VAC. | ||||||||||||||
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| Stop fail is detected when is difference between those conditions, e.g | ||||||||||||||
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| RPM=O and Generator voltage > 10V. | ||||||||||||||
| Start RPM | RPM |
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| RPM |
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| RPM = 2 |
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Idle Function |
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| B O S tarter |
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| BO IDLERA |
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| Idle tim e |
| M in stab tim e |
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| Electric protections | ||||
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| Start Fail | ||||||||||
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Stabil Time
MN2408 | Operation 4‐7 |
