Schweitzer Engineering Laboratories SEL-421-4 - Table 11.70 Relay Word Bits: 81 Frequency Elements

11.77
Date Code 20171021 Instruction Manual SEL-421 Relay
Relay Word Bits
Row Lists
386 276P1 Undervoltage Element 6, Level 1 asserted
386 276P1T Undervoltage Element 6, Level 1 timed out
386 276P2 Undervoltage Element 6, Level 2 asserted
386 27TC6 Undervoltage Element 6, torque control
387 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 59TC1 Overvoltage Element 1, torque control
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 59TC2 Overvoltage Element 2, torque control
388 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 59TC3 Overvoltage Element 3, torque control
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 59TC4 Overvoltage Element 4, torque control
389 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 59TC5 Overvoltage Element 5, torque control
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 59TC6 Overvoltage Element 6, torque control
390–391 * Reserved
Table 11.70 Relay Word Bits: 81 Frequency Elements (Sheet 1 of 2)
Row Name Description
392 81D1 Level 1 definite-time frequency element pickup
392 81D1T Level 1 definite-time frequency element delay
392 81D1OVR Level 1 overfrequency element pickup
392 81D1UDR Level 1 underfrequency element pickup
392 27B81 Undervoltage supervision for frequency elements
392 * Reserved
392 * Reserved
392 * Reserved
393 81D2 Level 2 definite-time frequency element pickup
Table 11.69 Under/Overvoltage Elements (Sheet 2 of 2)
Row Name Description