InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 61
IL-NT-AMF-2.2-Reference Guide.pdf
AL Mains Volts
The output closes if the mains over/under voltage alarm or voltage asymmetry alarm activates.
The output opens, if
alarm is not active
AL Mains Freq
Output closes if the mains over/under frequency alarm activates.
The output opens, if
alarm is not active
AL Mains Fail
Output closes if the mains over/under voltage alarm, voltage asymmetry alarm or mains over/under
frequency alarm activates.
The output opens, if
alarm is not active
AL OverloadBOC
Output closes if the generator overload alarm activates.
The output opens, if
alarm is not active and
FAULT RESET is pressed
AL Stop Fail
Output closes when the engine has to be stopped, but speed or frequency or voltage or oil pressure is
detected (“Still Engine” conditions). This protection goes active when Stop Time setpoint value exceed
and any Running engine conditions are detected after stop command or under conditions for activating
Wrn Stop Fail alarm on Still engine:
- for generator voltage < 50% of nominal voltage, Sd Stop Fail has delay 1s
- for generator voltage > 50% of nominal voltage, Sd Stop Fail has delay 200ms
- for oil pressure > starting oil pressure, Sd Stop Fail has delay 1s
For detected RPM, there is no delay.
Hint:
For more details see chapter „Stop engine“ conditions in chapter Gen-set Operation states
With start goes this protection inactive.
The output opens, if
alarm is not active and
FAULT RESET is pressed
AL Overspeed
Output closes if the gen-set overspeed alarm activates.
The output opens, if
alarm is not active and
FAULT RESET is pressed
AL Underspeed
Output closes if the gen-set underspeed alarm activates.
The output opens, if
alarm is not active and
FAULT RESET is pressed
AL Start Fail
Output closes after the gen-set start-up fails.
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