P54x/EN PL/La4 Programmable Logic
(PL) 7-30
MiCOM P543, P544, P545 & P546
PL
DDB no. English text Source Description
693 V>1 Trip B/BC Overvoltage Overvoltage stage 1 B/BC phase trip
694 V>1 Trip C/CA Overvoltage Overvoltage stage 1 C/CA phase trip
695 V>2 Trip Overvoltage Overvoltage stage 2, three phase trip
696 V>2 Trip A/AB Overvoltage Overvoltage stage 2 A/AB phase trip
697 V>2 Trip B/BC Overvoltage Overvoltage stage 2 B/BC phase trip
698 V>2 Trip C/CA Overvoltage Overvoltage stage 2 C/CA phase trip
699 Pole Discrepancy (CB1) Pole Discrepancy
Pole discrepancy signal to force a three pole
trip conversion, if the relay detects one pole
dead, and no auto-reclose in progress
700 VN>1 Trip Residual overvoltage Residual overvoltage stage 1 trip
701 VN>2 Trip Residual Overvoltage Residual overvoltage stage 2 trip
702 Fault REC TRIG PSL Trigger for fault recorder
703 Not used
704 TOR Trip Zone 1 Trip on Close TOR trip zone 1 (trip on reclose)
705 TOR Trip Zone 2 Trip on Close TOR trip zone 2
706 TOR Trip Zone 3 Trip on Close TOR trip zone 3
707 TOR Trip Zone 4 Trip on Close TOR trip zone 4
708 TOR Trip Zone P Trip on Close TOR trip zone P
709 SOTF Trip Zone 1 Trip on Close SOTF trip zone 1 (switch on to fault)
710 SOTF Trip Zone 2 Trip on Close SOTF trip zone 2
711 SOTF Trip Zone 3 Trip on Close SOTF trip zone 3
712 SOTF Trip Zone 4 Trip on Close SOTF trip zone 4
713 SOTF Trip Zone P Trip on Close SOTF trip zone P
714 to 735 Not used
736 Any Start Any start
737 Diff Start C Diff Current differential start
738 Diff Start A C Diff Current differential A phase start
739 Diff Start B C Diff Current differential B phase start
740 Diff Start C C Diff Current differential C phase start
741 Zone 1 A Start Distance Basic Scheme Zone 1 A phase start
742 Zone 1 B Start Distance Basic Scheme Zone 1 B phase start
743 Zone 1 C Start Distance Basic Scheme Zone 1 C phase start
744 Zone 1 N Start Distance Basic Scheme Zone 1 ground element start
745 Zone 2 A Start Distance Basic Scheme Zone 2 A phase start
746 Zone 2 B Start Distance Basic Scheme Zone 2 B phase start
747 Zone 2 C Start Distance Basic Scheme Zone 2 C phase start
748 Zone 2 N Start Distance Basic Scheme Zone 2 ground element start
749 Zone 3 A Start Distance Basic Scheme Zone 3 A phase start
750 Zone 3 B Start Distance Basic Scheme Zone 3 B phase start
751 Zone 3 C Start Distance Basic Scheme Zone 3 C phase start
752 Zone 3 N Start Distance Basic Scheme Zone 3 N start
753 Zone P A Start Distance Basic Scheme Zone P A phase start
754 Zone P B Start Distance Basic Scheme Zone P B phase start
755 Zone P C Start Distance Basic Scheme Zone P C phase start
756 Zone P N Start Distance Basic Scheme Zone P N start
757 Zone 4 A Start Distance Basic Scheme Zone 4 A phase start
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