R.A.15
Date Code 20111215 Reference Manual SEL-421 Relay
Relay Word Bits
Alphabetic
PLDTE Asserts for approximately 1.5 cycles when the TEC
command is used to load a new time-error correction factor
(preload value) into the TECORR analog quantity.
276
PLT01–
PLT32
Protection latches 120–123
PMDOK Assert if data acquisition system is operating correctly 217
PMTRIG Trigger (SEL
OGIC control equation) 268
PST01Q–
PST32Q
Protection sequencing timer outputs 126–129
PST01R–
PST32R
Protection sequencing timer resets 130–133
PSV01–
PSV64
Protection SEL
OGIC control equation variables 112–119
PT Permissive trip received 50
PTA A-phase permissive trip received (ECOMM=POTT3) 55
PTB B-phase permissive trip received (ECOMM=POTT3) 55
PTC C-phase permissive trip received (ECOMM=POTT3) 55
PTRX Permissive trip received Channel 1 and Channel 2 52
PTRX1 Permissive trip received Channel 1 51
PTRX2 Permissive trip received Channel 2 51
PUNRLBL Protection SEL
OGIC control equation unresolved label 194
QDEM Negative-sequence demand current picked up 86
R32I Reverse current polarized zero-sequence directional element 22
R32P Reverse phase directional declaration 20
R32Q Reverse negative-sequence phase directional declaration 20
R32QG Reverse negative-sequence ground directional element 22
R32V Reverse voltage polarized zero-sequence directional element 22
R3PTE Recloser three-pole trip enable 39
R3PTE1 Recloser three-pole trip enable Circuit Breaker 1 39
R3PTE2 Recloser three-pole trip enable Circuit Breaker 2 40
RB01–RB32 Remote bits 92–95
RBADA Outage too long on M
IRRORED BITS communications
Channel A
233
RBADB Outage too long on M
IRRORED BITS communications
Channel B
234
RMB1A Channel A Receive Mirrored Bit 1 229
RMB1B Channel B Receive Mirrored Bit 1 231
RMB2A Channel A Receive Mirrored Bit 2 229
RMB2B Channel B Receive Mirrored Bit 2 231
RMB3A Channel A Receive Mirrored Bit 3 229
RMB3B Channel B Receive Mirrored Bit 3 231
RMB4A Channel A Receive Mirrored Bit 4 229
RMB4B Channel B Receive Mirrored Bit 4 231
RMB5A Channel A Receive Mirrored Bit 5 229
Table A.1 Alphabetic List of Relay Word Bits (Sheet 15 of 21)
Name Description
Row
To Next Page
Loading...
