InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 108
IL-NT-AMF-2.2-Reference Guide.pdf
Gen-set Operation States
Engine state machine
Autotest during controller power on.
Gen-set is not ready to start.
For example when shutdown alarm is active or unit is in OFF mode.
Prestart sequence in process, Prestart output is closed.
Usually used for preheating or processes executed prior gen-set start.
Engine is cranking.
Starter output is closed
Pause between start attempts.
Starting speed is reached and the Idle timer is running.
Gen-set is running at nominal speed.
Gen-set is running at nominal speed and GCB OPEN/CLOSE is closed.
Stop.
Automatic or manual stop command was issued, engine is stopping.
Shut-down alarm activated.
Gen-set is cooling before stop.
Emergency Manual gen-set operation.
Used for bypass the controller and engine manual start.
Indicates that Manual IDLE function is activated and Engine is running on Idle speed.
“Engine started” conditions
Engine speed (RPM) > Starting RPM or
AI: Oil press > Starting POil or
D+ terminal active (reached 80% of supply voltage) for minimum 1s or
Generator voltage > 25% of NomVolts Ph-N or NomVolts Ph-Ph (any phase)
Any of these conditions will disconnect starter of the engine, however for transition to next state RPM
needs to be higher than Starting RPM.
“Engine running” conditions
RPM > 2 RPM or
Analog input Oil pressure > Engine params: Starting POil or
To Next Page
Loading...
Need help?
General
