InteliLite4 AMF20 Global Guide
112
Loaded Gen-set is running at nominal speed and GCB CLOSE/OPEN (PAGE 480) is active.
Cooling Gen-set is cooling before stop.
Stop
Stop.
Example: Automatic or manual stop command was issued, engine is stopping.
Shutdown Shut-down alarm activated.
Ventil
Gas engine - ventilation of unburned fuel when stop command comes during
cranking with gas
SDVentil
Gas engine - ventilation of unburned fuel after unsuccessful start attempt or after
shutdown stop.
EmergMan
EMERGENCY MAN (PAGE 448) Gen-set operation.
Example: Used for bypass the controller and engine manual start.
Controller mode, where the LBIEMERGENCY MAN (PAGE 448) is activated. All control
functions are stopped
Engine started conditions
Engine speed (RPM) > Starting RPM (page 227) or
Oil pressure > Starting Oil Pressure (page 228) or
Binary input OIL PRESSURE (PAGE 454) is in logical 0 or
D+ terminal active (reached D+ Threshold (page 243) of supply voltage) for minimum 1 s or
Generator voltage > 25% of Nominal Voltage Ph-N (page 211) or Nominal Voltage Ph-Ph (page 211)
(any phase)
Note: Any of these condition will disconnect starter of the engine, however for transition to next state RPM
needs to be higher than Starting RPM (page 227).
Engine running conditions
Engine speed (RPM) > Starting RPM (page 227) or
Oil pressure > Starting Oil Pressure (page 228) or
Binary input OIL PRESSURE (PAGE 454) is in logical 0 or
Generator voltage > 25% of Nominal Voltage Ph-N (page 211)
Still engine conditions
Engine speed (RPM) < Starting RPM (page 227) and
Oil pressure < Starting Oil Pressure (page 228) and
Binary input OIL PRESSURE (PAGE 454) is in logical 1 and
Generator voltage < 50V (all phases)
Note: When the engine was running before and all above conditions are fulfilled, additional 2s delay is
necessary to confirm "still engine".
When any engine running conditions are observed in still engine, then the Wrn Stop Fail (page 537) is
activated with the following delays:
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