J.11
Date Code 20100129 Instruction Manual SEL-751A Relay
Relay Word Bits
Definitions
PMDOK Phasor Measurement Data OK. Asserts when the SEL-751A is enabled and synchrophasors are
enabled (Global setting EPMU:= Y) (see Tab le H. 7 ).
13
PMTRIG Trigger for Synchrophasors (see Table H. 7). 29
RBADA Channel A, outage duration over threshold. 92
RBADB Channel B, outage duration over threshold. 92
RBnn Remote Bit nn asserted, where nn = 01 to 08. 39
RBnn Remote Bit nn asserted, where nn = 09 to 16. 40
RBnn Remote Bit nn asserted, where nn = 17 to 24. 41
RBnn Remote Bit nn asserted, where nn = 25 to 32. 42
RCSF Reclose supervision failure—asserts for 1/4 cycle. 27
RELAY_EN Relay OK flag used by IEC 61850. 31
REMTRIP Remote trip control input asserted (see Table 4. 25 ). 14
RMB1A to RMB8A Channel A receives M
IRRORED BITS RMB1A through RMB8A. 88
RMB1B to RMB8B Channel B receives M
IRRORED BITS RMB1B through RMB8B. 90
ROKA Channel A, received data ok. 92
ROKB Channel B, received data ok. 92
RSTDEM Reset Demand metering. 21
RSTENRGY Reset Energy metering. 21
RSTMN Reset timer is timing 27
RSTMXMN Reset Max/Min metering. 21
RSTPKDEM Reset Peak Demand metering. 21
RSTTRGT Asserts when the SEL
OGIC control equation RSTTRGT result is logical 1. Used to reset trip logic
and target LEDs (see Tab le 4.48).
22
RTD10A RTD10 Alarm. 25
RTD10T RTD10 Trip. 25
RTD11A RTD11 Alarm. 25
RTD11T RTD11 Trip. 25
RTD12A RTD12 Alarm. 25
RTD12T RTD12 Trip. 25
RTD1A RTD1 Alarm. 23
RTD1T RTD1 Trip. 23
RTD2A RTD2 Alarm. 23
RTD2T RTD2 Trip. 23
RTD3A RTD3 Alarm. 23
RTD3T RTD3 Trip. 23
RTD4A RTD4 Alarm. 23
RTD4T RTD4 Trip. 23
RTD5A RTD5 Alarm. 24
RTD5T RTD5 Trip. 24
RTD6A RTD6 Alarm. 24
RTD6T RTD6 Trip. 24
RTD7A RTD7 Alarm. 24
Table J.2 Relay Word Bit Definitions for the SEL-751A (Sheet 8 of 11)
Bit Definition Row
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