74
FUNCTION CHARACTERISTICS
ELEMENTS
LEDs
START TRIP 1 2 3 4...
..16
Second harmonic restraint element Start LEDs (I2ndh>ST-L)
Second harmonic restraint element Trip LEDs (I2ndh>TR-L)
VTs monitoring output block LEDs (74VT-BK-L)
VTs monitoring output alarm LEDs (74VT-AL-L)
CTs monitoring trip LEDs (S<TR-L)
Trip Circuit Supervision Start LEDs (74TCS-ST-L)
Trip Circuit Supervision Trip LEDs (74TCS-TR-L)
tB-IPh/IE Elapsed signalling LEDs (tB-L)
Phase protection output selective block LEDs (BLK2OUT-Iph-L)
Ground protection output selective block LEDs (BLK2OUT-IE-L)
Phase and ground protection output selective block LEDs (BLK2OUT-Iph/IE-L)
BF (Side H and Side L) Start LEDs (BF-ST-L)
BF (Side H and Side L) Trip LEDs (BF-TR-L)
PLC (PLC-L)
Number of CB trips diagnostic LEDs (N.Open-L)
Cumulative CB tripping currents diagnostic relays (SumI-L)
Cumulative CB tripping I^2t diagnostic relays (SumI^2t-L)
Circuit breaker opening time diagnostic LEDs (tbreak-L)
Open CB command LEDs (CBopen-L)
Close CB command LEDs (CBclose-L)
Remote Trip (RemTrip-L)
Not received pulses at BLIN signalling LEDs (PulseBLIN-L)
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021
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