Sel SEL-421 - Relay Word Bits: Test Bits

R.A.67
Date Code 20111215 Reference Manual SEL-421 Relay
Relay Word Bits
Row List
232 TMB2B Channel B Transmit MIRRORED BIT 2
232 TMB1B Channel B Transmit M
IRRORED BIT 1
233 ROKA Normal M
IRRORED BITS communications Channel A status
while not in loopback mode
233 RBADA Outage too long on M
IRRORED BITS communications
Channel A
233 CBADA Unavailability threshold exceeded for M
IRRORED BITS
communications Channel A
233 LBOKA Normal M
IRRORED BITS communications Channel A status
while in loopback mode
233 ANOKA Analog transfer OK on M
IRRORED BITS communications
Channel A
233 DOKA Normal M
IRRORED BITS communications Channel A status
233 * Reserved
233 * Reserved
234 ROKB Normal M
IRRORED BITS communications Channel B status
while not in loopback mode
234 RBADB Outage too long on M
IRRORED BITS communications
Channel B
234 CBADB Unavailability threshold exceeded for M
IRRORED BITS
communications Channel B
234 LBOKB Normal M
IRRORED BITS communications Channel B status
while in loopback mode
234 ANOKB Analog transfer OK on M
IRRORED BITS communications
Channel B
234 DOKB Normal M
IRRORED BITS communications Channel B status
234 * Reserved
234 * Reserved
Table A.42 Relay Word Bits: Test Bits
Row Name Description
235 TESTDNP DNP test bit
235 TESTDB Communications card database test bit
235 TESTFM Fast meter test bit
235 TESTPUL Pulse test bit
235 * Reserved
235 * Reserved
235 * Reserved
235 * Reserved
Table A.41 Relay Word Bits: M
IRRORED BITS (Sheet 2 of 2)
Row Name Description