
J.11
Date Code 20081022
Instruction Manual
SEL-787 Relay
Relay Word Bits
Definitions
SC
nn
QU
SEL
OGIC
Counters 17 through 24 asserted when counter = preset value.
66
SC
nn
QU
SEL
OGIC
Counters 25 through 32 asserted when counter = preset value.
68
SG1
Asserts when setting group 1 is active.
33
SG2
Asserts when setting group 2 is active.
33
SG3
Asserts when setting group 3 is active.
33
SG4
Asserts when setting group 4 is active.
33
SV01–SV08
SEL
OGIC
control equation variables SV01 through SV08.
50
SV01T–SV08T
SEL
OGIC
control equation variable SV01T through SV08T with settable pickup and dropout
time delay.
51
SV09–SV16
SEL
OGIC
control equation variables SV09 through SV16.
52
SV09T–SV16T
SEL
OGIC
control equation variable SV09T through SV16T with settable pickup and dropout
time delay.
53
SV17–SV24
SEL
OGIC
control equation variables SV17 through SV24.
54
SV17T–SV24T
SEL
OGIC
control equation variable SV17T through SV24T with settable pickup and dropout
time delay.
55
SV25–SV32
SEL
OGIC
control equation variables SV25 through SV32.
56
SV25T–SV32T
SEL
OGIC
control equation variable SV25T through SV32T with settable pickup and dropout
time delay.
57
T01_LED–T06_LED
SEL
OGIC
control equation: drives T01_LED through T06_LED.
40
TFLTALA
Through fault alarm, phase A.
41
TFLTALB
Through fault alarm, phase B.
41
TFLTALC
Through fault alarm, phase C.
41
TH5
Fifth Harmonic alarm threshold exceeded.
17
TH5T
Fifth Harmonic alarm threshold exceeded for longer than TH5D.
6
TMB
n
A
Channel A transmit mirror bits TMB1A through TMB8A.
71
TMB
n
B
Channel B transmit mirror bits TMB1B through TMB8B.
73
TQUAL1
Time Quality Bit, add 1 when asserted.
105
TQUAL2
Time Quality Bit, add 2 when asserted.
105
TQUAL4
Time Quality Bit, add 4 when asserted.
105
TQUAL8
Time Quality Bit, add 8 when asserted.
105
TR1
Trip SEL
OGIC
control equation TR1 (Also has been referred to as TRIPEQ1).
34
TR2
Trip SEL
OGIC
control equation TR2 (Also has been referred to as TRIPEQ2).
34
TREA1
Trigger Reason Bit 1 for synchrophasors.
33
TREA2
Trigger Reason Bit 2 for synchrophasors.
33
TREA3
Trigger Reason Bit 3 for synchrophasors.
33
TREA4
Trigger Reason Bit 4 for synchrophasors.
33
TRGTR
Target Reset. Asserts for one quarter-cycle when you execute a front-panel, serial port target
reset command, or Modbus target reset.
28
TRIP
Trip Logic Output.
19
TRIP1
Trip1 Logic Output.
34
TRIP2
Trip2 Logic Output.
34
TRIPXFMR
TripXFMR Logic Output.
34
TRXFMR
Trip SEL
OGIC
control equation TRXFMR (Also has been referred to as TRXFMREQ).
34
Table J.2
Relay Word Bit Definitions for the SEL-787
(Sheet 8 of 9)
Bit
Definition
Row
Summary of Contents for SEL-787
Page 1: ...20081022 SEL 787 Transformer Protection Relay Instruction Manual PM787 01 NB ...
Page 6: ...This page intentionally left blank ...
Page 12: ...This page intentionally left blank ...
Page 18: ...This page intentionally left blank ...
Page 78: ...This page intentionally left blank ...
Page 206: ...This page intentionally left blank ...
Page 280: ...This page intentionally left blank ...
Page 334: ...This page intentionally left blank ...
Page 376: ...This page intentionally left blank ...
Page 388: ...This page intentionally left blank ...
Page 474: ...This page intentionally left blank ...
Page 508: ...This page intentionally left blank ...