GE L90 Instruction Manual page 414

FLEXLOGIC
Table 5-24: L90 FlexLogic operands
Operand type
ANNUNCIATOR
Graphical front panel
CONTROL
PUSHBUTTONS
Enhanced and
standard front panels
CYBERSENTRY
ELEMENT:
50DD supervision
ELEMENT:
87L current
differential
5
ELEMENT:
87L in-zone
transformer
compensation
ELEMENT:
87L differential trip
5-190
Operand syntax
ANY ANCTR ABNORMAL
ANY ANCTR ALARMED
CONTROL PUSHBTN 1 ON
CONTROL PUSHBTN 2 ON
CONTROL PUSHBTN 3 ON
CONTROL PUSHBTN 4 ON
CONTROL PUSHBTN 5 ON
CONTROL PUSHBTN 6 ON
CONTROL PUSHBTN 7 ON
ROLE ADMIN ACT
ROLE SUPERVISOR ACT
ROLE ENGINEER ACT
ROLE OPERATOR ACT
ROLE OBSERVER ACT
AUTHENTICATION FAIL
UNAUTH FW ATTEMPT
UNAUTH SETTING WRITE
50DD SV
50DD SV 87LG
87L DIFF OP
87L DIFF OP A
87L DIFF OP B
87L DIFF OP C
87L DIFF RECVD DTT
87L DIFF RECVD DTT A
87L DIFF RECVD DTT B
87L DIFF RECVD DTT C
87L DIFF KEY DTT
87L DIFF PFLL FAIL
87L DIFF CH ASYM DET
87L DIFF CH1 FAIL
87L DIFF CH2 FAIL
87L DIFF CH1 LOSTPKT
87L DIFF CH2 LOSTPKT
87L DIFF CH1 CRCFAIL
87L DIFF CH2 CRCFAIL
87L DIFF CH1 ID FAIL
87L DIFF CH2 ID FAIL
87L DIFF GPS FAIL
87L DIFF 1 MAX ASYM
87L DIFF 2 MAX ASYM
87L DIFF 1 TIME CHNG
87L DIFF 2 TIME CHNG
87L DIFF GPS 1 FAIL
87L DIFF GPS 2 FAIL
87L DIFF BLOCKED
87L DIFF PKP G
87L DIFF OP G
87L HARM2 A OP
87L HARM2 B OP
87L HARM2 C OP
87L TRIP OP
87L TRIP OP A
87L TRIP OP B
87L TRIP OP C
87L TRIP 1P OP
87L TRIP 3P OP
Operand description
On for one second when any annunciator window state changes from
normal to abnormal
On while any annunciator window state is abnormal
Control pushbutton 1 is being pressed
Control pushbutton 2 is being pressed
Control pushbutton 3 is being pressed
Control pushbutton 4 is being pressed
Control pushbutton 5 is being pressed
Control pushbutton 6 is being pressed
Control pushbutton 7 is being pressed
Administrator role is active and is set to true when that is the case
Supervisor role is active and is set to true when that is the case
Engineer role is active and is set to true when that is the case
Operator role is active and is set to true when that is the case
Observer role is active and is set to true when that is the case
Operand set for Failed Authentication self-test and alarm
Operand set for firmware lock self-test and alarm
Operand set for settings lock self-test and alarm
Disturbance detector has operated
Disturbance detector for 87LG has operated
At least one phase of current differential has operated
Phase A of current differential has operated
Phase B of current differential has operated
Phase C of current differential has operated
Direct transfer trip is keyed
Direct transfer trip phase A has been received
Direct transfer trip phase B has been received
Direct transfer trip phase C has been received
Direct transfer trip is keyed
Phase and frequency lock loop (PFLL) has failed
Channel asymmetry greater than 1.5 ms detected
Channel 1 has failed
Channel 2 has failed
Exceeded maximum lost packet threshold on channel 1
Exceeded maximum lost packet threshold on channel 2
Exceeded maximum CRC error threshold on channel 1
Exceeded maximum CRC error threshold on channel 2
The ID check for a peer L90 on channel 1 has failed
The ID check for a peer L90 on channel 2 has failed
The GPS signal failed or is not configured properly at any terminal
Asymmetry on channel 1 exceeded preset value
Asymmetry on channel 2 exceeded preset value
Change in round trip delay on channel 1 exceeded preset value
Change in round trip delay on channel 2 exceeded preset value
GPS failed at remote terminal 1 (channel 1)
GPS failed at remote terminal 1 (channel 2)
The 87L function is blocked due to communication problems
The ground differential element has picked up
The ground differential element has operated
Asserted when phase A of second harmonic of the transformer magnetizing
inrush current inhibits the current differential element from operating.
Asserted when phase B of second harmonic of the transformer magnetizing
inrush current inhibits the current differential element from operating.
Asserted when phase C of second harmonic of the transformer magnetizing
inrush current inhibits the current differential element from operating.
At least one phase of the trip output element has operated
Phase A of the trip output element has operated
Phase B of the trip output element has operated
Phase C of the trip output element has operated
Single-pole trip is initiated
Three-pole trip is initiated
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS