CHAPTER 3: IEC 61850 COMMUNICATION
MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR SERIES – COMMUNICATIONS GUIDE
3-53
3
Table 3-41: Line current differential general data objects
LNName:
LinDfPDIF1
LDevice inst:
Prot
UR element:
Line Differential element (ANSI 87L) phase and general
functions
data obj. data attribute
Type
FC UR Name
Description
R/W/C
Str
ACD
Only instantiated in L90
R
general
BOOLEAN
ST 87L DIFF OP
R
dirGeneral
ENUMERATED
ST
1, the code for forward
R
phsA
BOOLEAN
ST 87L DIFF OP A
R
dirPhsA
ENUMERATED
ST
1, the code for forward
R
phsB
BOOLEAN
ST 87L DIFF OP B
R
dirPhsB
ENUMERATED
ST
1, the code for forward
R
phsC
BOOLEAN
ST 87L DIFF OP C
R
dirPhsC
ENUMERATED
ST
1, the code for forward
R
Op
ACT
Only instantiated in L90
R
general
BOOLEAN
ST 87L TRIP OP
R
phsA
BOOLEAN
ST 87L TRIP OP A
R
phsB
BOOLEAN
ST 87L TRIP OP B
R
phsC
BOOLEAN
ST 87L TRIP OP C
R
Op
ACT
Only instantiated in L30
R
general
BOOLEAN
ST 87L DIFF OP
R
Tr3p
ACT
Only instantiated in L90
R
general
BOOLEAN
ST 87L TRIP 3P OP
R
Tr1p
ACT
Only instantiated in L90
R
general
BOOLEAN
ST 87L TRIP 1P OP
R
RxTr1
ACT
Only instantiated in L90
R
general
BOOLEAN
ST logical OR of phsA, phsB, phsC
R
phsA
BOOLEAN
ST 87L DIFF RECVD DTT A
R
phsB
BOOLEAN
ST 87L DIFF RECVD DTT B
R
phsC
BOOLEAN
ST 87L DIFF RECVD DTT C
R
RxTr1
ACT
Only instantiated in L30
R
general
BOOLEAN
ST 87L DIFF RECVD DTT
R
TxTr
ACT
87L DIFF KET DTT operand, which becomes
on when the differential element is sending
direct transfer trip to the remote terminals
R
general
BOOLEAN
ST 87L DIFF KET DTT
R
PFLLfail
SPS
87L DIFF PFLL FAIL operand, which
becomes on when the differential element’s
phase and frequency lock loop (PFLL) has
failed
R
stVal
BOOLEAN
ST 87L DIFF PFLL FAIL
R
Asymmetry
SPS
87L DIFF CH ASYM DET operand, which
becomes on when the differential element’s
has detected substantial communications
channel asymmetry
R
stVal
BOOLEAN
ST 87L DIFF CH ASYM DET
R
ChFail
ζ
SPS
87L DIFF CH
ζ
FAIL operand, which
becomes on when the differential element’s
has detected communications channel
ζ
failed
R
stVal
BOOLEAN
ST 87L DIFF CH
ζ
FAIL
R
LosPkt
ζ
SPS
87L DIFF CH
ζ
LOSTPKT operand, which
becomes on when the differential element’s
has detected the lost packet threshold has
been exceeded on channel
ζ
R
Summary of Contents for UR series
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