Sel SEL-421 - Relay Word Bits: Relay Alarms; Relay Word Bits: Time Synchronization; Relay Word Bits: Output Elements

R.A.63
Date Code 20111215 Reference Manual SEL-421 Relay
Relay Word Bits
Row List
Table A.35 Relay Word Bits: Relay Alarms
Row Name Description
198 SALARM Software alarm
198 HALARM Hardware alarm
198 BADPASS Invalid password attempt alarm
198 CCALARM Communications card status alarm
198 CCOK Indicates connected Ethernet card is operating correctly
198 * Reserved
198 * Reserved
198 * Reserved
199–
216
* Reserved
Table A.36 Relay Word Bits: Time Synchronization
Row Name Description
217 * Reserved
217 * Reserved
217 TIRIG Assert while time is based on IRIG for both mark and value
217 TUPDH Assert if update source is high-accuracy time source
217 TSYNCA Assert while the time mark from time source or fixed
internal source is not synchronized
217 TSOK Assert if current time source accuracy is sufficient for syn-
chronized phasor measurements
217 PMDOK Assert if data acquisition system is operating correctly
217 FREQOK Assert if relay is estimating frequency
Table A.37 Relay Word Bits: Output Elements (Sheet 1 of 2)
Row Name Description
218 OUT108 Main Board Output 8
218 OUT107 Main Board Output 7
218 OUT106 Main Board Output 6
218 OUT105 Main Board Output 5
218 OUT104 Main Board Output 4
218 OUT103 Main Board Output 3
218 OUT102 Main Board Output 2
218 OUT101 Main Board Output 1
219 OUT208 Optional I/O Board 1 Output 8
219 OUT207 Optional I/O Board 1 Output 7
219 OUT206 Optional I/O Board 1 Output 6
219 OUT205 Optional I/O Board 1 Output 5
219 OUT204 Optional I/O Board 1 Output 4
219 OUT203 Optional I/O Board 1 Output 3
219 OUT202 Optional I/O Board 1 Output 2
219 OUT201 Optional I/O Board 1 Output 1