Digital Engine Controller Description EM0046A21 (MRS17) Continued
Table 4‐9 Manual Mode Sequence Description
Menu | Status | Condition of Transition | Action | Next State | |
|
| Start request | PRESTART on, | PRESTART | |
|
|
| Prestart time counter started |
| |
| Ready |
|
|
| |
| RPM > 2 or Oil pressure detected or |
| Stop (Stop fail) | ||
|
| Gen voltage > 10V |
|
| |
|
|
|
|
| |
|
| OFF mode selected or Shut down alarm active |
| Not Ready | |
| Not Ready | RPM < 2, Oil pressure not detected, Vgen < 10V, |
| Ready | |
|
| no shutdown alarm active, other than OFF mode |
|
| |
|
| selected |
|
| |
|
|
|
|
| |
| Prestart | Prestart time elapsed | STARTER on, FUEL SOLENOID on, | Cranking | |
|
|
| MaxCrank time counter started |
| |
|
|
|
|
| |
|
| RPM> Start RPM | STARTER off, PRESTART off | Starting | |
|
| D+ input activated or oil pressure detected or | STARTER off, PRESTART off | Cranking | |
|
| Gen voltage > 25% Vgnom |
|
| |
| Cranking |
|
|
| |
| MaxCrank time elapsed, 1st attempt | STARTER off, FUEL SOLENOID off, | Crank pause | ||
|
|
| STOP SOLENOID on, |
| |
|
|
| CrankFail pause timer started |
| |
|
|
|
|
| |
Main |
| MaxCrank time elapsed, last attempt | STARTER off, PRESTART off | Shutdown (Start fail) | |
Crank Pause | CrankFail pause elapsed | STARTER on, FUEL SOLENOID on, | Cranking | ||
Measurement | |||||
|
| STOP SOLENOID off, |
| ||
|
|
|
| ||
|
|
| MaxCrank time counter started |
| |
|
|
|
|
| |
| Starting | 30% Nominal speed reached | READY TO LOAD on, | Running | |
|
|
| MaxStabTime counter started |
| |
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|
|
| |
|
| Stop request | READY TO LOAD off, | Cooling | |
| Running |
| Cooling time timer started |
| |
|
|
|
| ||
| RPM = 0 or any other shutdown condition | READY TO LOAD off, | Shutdown | ||
|
| ||||
|
|
| FUEL SOLENOID off |
| |
|
|
|
|
| |
| Loaded | RPM = 0 or any other shutdown condition | FUEL SOLENOID off, STOP SOLENOID | Shutdown | |
|
| on, READY TO LOAD off |
| ||
|
|
|
| ||
|
|
|
|
| |
|
| Cooling time elapsed | FUEL SOLENOID off, | Stop | |
|
|
| STOP SOLENOID on |
| |
| Cooling |
|
|
| |
| RPM = 0 or any other shutdown condition | FUEL SOLENOID off, | Shutdown | ||
|
|
| STOP SOLENOID on |
| |
|
|
|
|
| |
|
| Start request | READY TO LOAD on | Running | |
| Stop | RPM = 0, Oil pressure not detected, Vgen < 10V |
| Ready | |
| 60 sec. Elapsed |
| Stop (Stop fail) | ||
|
|
|
Some output conditions are optional and may require additional programming of field connection. See appropriate wiring diagram.
Adjustment Menu
The adjustment menu, Figure 4‐10 allows setting engine and generator values such as Passwords,
Figure 4‐10 Adjustment Menu
>ENGINE BASIC ENGINE PROT GEN BASIC GEN PROTECT
Use Y and B to move the cursor to the desired parameter. Press ENTER to select the parameter group.
Press PAGE to move to the next page of menu items.
Alarm List
Shows the active alarms and warnings. Press fault reset to clear the list.
ECU Alarm List
Shows the active ECU (engine control unit) fault codes. Press ENTER + fault reset to clear the list.
MN2408 | Operation 4‐3 |