InteliLite
NT
– AMF20/25, SW version 1.2, ©ComAp – March 2008 51
IL-NT-AMF-Reference Guide1.2.pdf
Mains VUnb Del [s]
Delay for mains voltage unbalance
Step: 0.1 s
Range: 0- 60.0
Mains >Freq [%]
Threshold for mains overfrequency. All three phases are checked. Maximum out of three is used.
Step: 0.1% of Nominal frequency
Range: 50 (Mains <Freq) – 150.0%
Mains <Freq [%]
Threshold for mains underfrequency. All three phases are checked. Maximum out of three is used.
Step: 0.1% of Nominal frequency
Range: 50% – 150.0(Mains >Freq)%
Mains Freq Del [s]
Delay for mains underfrequency and overfrequency
Step: 0.1s
Range: 0 – 60.0 s
MCB Logic [CLOSE-ON / CLOSE-OFF]
The set point influences the behavior of the output MCB CLOSE/OPEN
CLOSE-ON: When the output MCB CLOSE/OPEN is closed – MCB should be closed.
CLOSE-OFF: When the output MCB CLOSE/OPEN is closed – MCB should be opened.
iL “OFF”
MCB logic = ”CLOSE-ON”
iL “ON”
Mains O.K.
Signal after external
inverted relay
MCB logic = ”CLOSE-OFF”
+
Battery
-
iL
DO 4
MCB
AUX.
INVERTING
RELAY
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