11.4
SEL-421 Relay Instruction Manual Date Code 20171021
Relay Word Bits
Alphabetical List
523_ALM Breaker 3 status alarm 365
523CLSM Breaker 3 closed 365
52AA1 Circuit Breaker 1, Pole A status 80
52AA2 Circuit Breaker 2, Pole A status 82
52AAL1 Circuit Breaker 1, Pole A alarm 80
52AAL2 Circuit Breaker 2, Pole A alarm 81
52AB1 Circuit Breaker 1, Pole B status 80
52AB2 Circuit Breaker 2, Pole B status 82
52AC1 Circuit Breaker 1, Pole C status 81
52AC2 Circuit Breaker 2, Pole C status 82
52ACL1 Circuit Breaker 1, Pole A closed 80
52ACL2 Circuit Breaker 2, Pole A closed 81
52BAL1 Circuit Breaker 1, Pole B alarm 80
52BAL2 Circuit Breaker 2, Pole B alarm 81
52BCL1 Circuit Breaker 1, Pole B closed 80
52BCL2 Circuit Breaker 2, Pole B closed 81
52CAL1 Circuit Breaker 1, Pole C alarm 80
52CAL2 Circuit Breaker 2, Pole C alarm 81
52CCL1 Circuit Breaker 1, Pole C closed 80
52CCL2 Circuit Breaker 2, Pole C closed 81
591P1 Overvoltage Element 1, Level 1 asserted 387
591P1T Overvoltage Element 1, Level 1 timed out 387
591P2 Overvoltage Element 1, Level 2 asserted 387
592P1 Overvoltage Element 2, Level 1 asserted 387
592P1T Overvoltage Element 2, Level 1 timed out 387
592P2 Overvoltage Element 2, Level 2 asserted 387
593P1 Overvoltage Element 3, Level 1 asserted 388
593P1T Overvoltage Element 3, Level 1 timed out 388
593P2 Overvoltage Element 3, Level 2 asserted 388
594P1 Overvoltage Element 4, Level 1 asserted 388
594P1T Overvoltage Element 4, Level 1 timed out 388
594P2 Overvoltage Element 4, Level 2 asserted 388
595P1 Overvoltage Element 5, Level 1 asserted 389
595P1T Overvoltage Element 5, Level 1 timed out 389
595P2 Overvoltage Element 5, Level 2 asserted 389
596P1 Overvoltage Element 6, Level 1 asserted 389
596P1T Overvoltage Element 6, Level 1 timed out 389
596P2 Overvoltage Element 6, Level 2 asserted 389
59TC1–59TC2 Overvoltage Element 1–2, torque control 387
59TC3–59TC4 Overvoltage Element 3–4, torque control 388
59TC5–59TC6 Overvoltage Element 5–6, torque control 389
Table 11.1 Alphabetic List of Relay Word Bits (Sheet 4 of 34)
Name Description Row
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