11.64
SEL-421 Relay Instruction Manual Date Code 20171021
Relay Word Bits
Row Lists
285 * Reserved
285 * Reserved
285 * Reserved
285 HSDQR Phase-to-phase fault, high-speed reverse directional element
285 HSDQF Phase-to-phase fault, high-speed forward directional element
285 HSDGR Ground fault, high-speed reverse directional element
285 HSDGF Ground fault, high-speed forward directional element
Ta b l e 1 1 .55 Re lay Wo r d Bits: DNP Ev e n t Lock
Row Name Description
286 EVELOCK Lock DNP events
286 * Reserved
286 * Reserved
286 * Reserved
286 * Reserved
286 * Reserved
286 * Reserved
286 * Reserved
287 * Reserved
Table 11.56 Relay Word Bits: Synchrophasor SEL
OGIC Equations/RTC Synchrophasors Status Bits (Sheet 1 of 2)
Row Name Description
288 PMTRIG Trigger (SELOGIC control equation)
288 TREA1–TREA4 Trigger Reason Bit 1–4 (SEL
OGIC Equation)
288 FROKPM Synchrophasor frequency
288 PMTEST Synchrophasor test mode
288 * Reserved
289 * Reserved
290 * Reserved
290 * Reserved
290 * Reserved
290 * Reserved
290 RTCSEQB RTC configuration complete, Channel B
290 RTCSEQA RTC configuration complete, Channel A
290 RTCCFGB RTC data in sequence, Channel B
290 RTCCFGA RTC data in sequence, Channel A
291 * Reserved
291 RTCDLYB RTC delay exceeded, Channel B
291 RTCDLYA RTC delay exceeded, Channel A
291 RTCROK Valid aligned RTC data available on all enabled channels
291 RTCROKB Valid aligned RTC data available on Channel B
Table 11.54 Relay Word Bits: High-Speed Mho and Quad Phase-Distance (Sheet 2 of 2)
Row Name Description
To Next Page
Loading...
