J.11
Date Code 20150130 Instruction Manual SEL-787 Relay
Relay Word Bits
Definitions
PB3B_LED SELOGIC control equation: drives LED PB3B 39
PB4A_LED SEL
OGIC control equation: drives LED PB4A 39
PB4B_LED SEL
OGIC control equation: drives LED PB4B 39
PBSEL Ethernet Port B is selected for communications 26
PHDEM Phase current demand pickup 41
PMDOK Assert if data acquisition system is operating correctly 25
PMTRIG Trigger for synchrophasors 35
RB01–RB08 Remote Bits 01 through 08 46
RB09–RB16 Remote Bits 09 through 16 47
RB17–RB24 Remote Bits 17 through 24 48
RB25–RB32 Remote Bits 25 through 32 49
RBADA Channel A, outage duration over threshold 74
RBADB Channel B, outage duration over threshold 74
REF1E Internal enable for the REF element 3
REF1F REF element forward (internal) fault declaration 3
REF1P Restricted earth fault inverse-time O/C element timed-out 3
REF1R REF element reverse (external) fault declaration 3
RELAY_EN Relay Data Quality Flag 37
REMTRIP Remote Trip 9
RMBnA Channel A receive mirror bits RMB1A through RMB8A 70
RMBnB Channel B receive mirror bits RMB1B through RMB8B 72
ROKA Channel A, received data ok 74
ROKB Channel B, received data ok 74
RSTDEM Reset demand meter 27
RSTENRGY Reset Energy metering. Assert when the SEL
OGIC control equation RSTENRG result is
logical 1.
27
RSTMXMN Reset Max Min metering. Assert when the SEL
OGIC control equation RSTMXMN result is
logical 1.
27
RSTPKDEM Reset peak demand meter 27
RSTTRGT SEL
OGIC control equation: reset trip logic and targets when asserted 28
RTDA Asserts when any RTD alarm (RTD_A) is asserted 28
RTDFLT Asserts when an open or short circuit condition is detected on any enabled RTD input, or
communication with the external RTD module has been interrupted
28
RTDIN Indicates status of contact connected to SEL-2600A RTD module 28
RTDnA RTD1A through RTD4A (Alarms) 29
RTDnA RTD5A through RTD8A (Alarms) 30
RTDnA RTD9A through RTD12A (Alarms) 31
RTDnT RTD1T through RTD4T (Trips) 29
RTDnT RTD5T through RTD8T (Trips) 30
RTDnT RTD9T through RTD12T (Trips) 31
Table J.2 Relay Word Bit Definitions for the SEL-787 (Sheet 8 of 10)
Bit Definition Row
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