Sel SEL-787 - Page 587

J.13
Date Code 20150130 Instruction Manual SEL-787 Relay
Relay Word Bits
Definitions
TR2 Trip SELOGIC 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
TSNTPB SNTP Secondary Server is active 106
TSNTPP SNTP Primary Server is active 106
TSOK Assert if current time source accuracy is sufficient for synchronized phasor measurements 25
TUTC1 Offset hours from UTC time, binary, add 1 if asserted 106
TUTC2 Offset hours from UTC time, binary, add 2 if asserted 106
TUTC4 Offset hours from UTC time, binary, add 4 if asserted 106
TUTC8 Offset hours from UTC time, binary, add 8 if asserted 106
TUTCH Offset half-hour from UTC time, binary, add 0.5 if asserted 106
TUTCS Offset hours sign from UTC time, subtract the UTC offset if TUTCS is asserted; otherwise, add 106
ULCL1 Unlatch close conditions SEL
OGIC control equation CL1 state 35
ULCL2 Unlatch close conditions SEL
OGIC control equation CL2 state 35
ULTRIP1 Unlatch (auto reset) trip from SEL
OGIC control equation TR1 35
ULTRIP2 Unlatch (auto reset) trip from SEL
OGIC control equation TR2 35
ULTRXFMR Unlatch (auto reset) trip from SEL
OGIC control equation TRXFMR 35
VBnnn Virtual Bits used for Incoming GOOSE messages (nnn = 1 through 128) 75-90
WARNING Relay Word WARNING 25
a
Reserved.
b
Harmonic restraint enabled.
Table J.2 Relay Word Bit Definitions for the SEL-787 (Sheet 10 of 10)
Bit Definition Row