CHAPTER 3: IEC 61850 COMMUNICATION
MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR FAMILY – COMMUNICATIONS GUIDE
3-63
3
3.5.2.31 Line current differential (LinDif)
This element is instantiated in the following products: L30, L90.
Table 3-55: Line current differential general data objects
setSrcRef
ObjectReference SP HYB POTT RX2
Reference to the data attribute to input R/C
setSrcCB
ObjectReference SP
Source GoCB of input if via GOOSE
R/C
InRef3
ORG
HYB POTT RX3 setting
R
setSrcRef
ObjectReference SP HYB POTT RX3
Reference to the data attribute to input R/C
setSrcCB
ObjectReference SP
Source GoCB of input if via GOOSE
R/C
InRef4
ORG
HYB POTT RX4 setting.
R
setSrcRef
ObjectReference SP HYB POTT RX4
Reference to the data attribute to input R/C
setSrcCB
ObjectReference SP
Source GoCB of input if via GOOSE
R/C
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
LNName: HPOTT_PSCH1
LDevice inst: Prot
UR element: Hybrid Permissive Over-reaching Transfer Trip element
data obj. data attribute
Type
FC UR Name
Description
R/W/C