7.5
Logical nodes for protection functions
7.5.1
Differential protection PDIF
7.5.1.1
Transformer differential protection, two winding T2WPDIF (87T)
LN type
LN prefix LN class Function block name
T2WPDIF (revision 2) T2W
PDIF
T2WPDIF (87T)
Table 13:
T2WPDIF (87T) Logical node data
DO name
DO type
DA name
FC
T
Signal
Mon/C
md
Description
Str
a_dACD
general
ST
-
PICKUP
Mon
General pickup signal
phsA
ST
-
PU_A
Mon
Pickup signal from phase A
phsB
ST
-
PU_B
Mon
Pickup signal from phase B
phsC
ST
-
PU_C
Mon
Pickup signal from phase C
q
ST
-
PICKUP
Mon
General pickup signal
t
ST
-
PICKUP
Mon
General pickup signal
Mod
a_dINC
Oper.ctlVal
CO
-
-
Cmd
Mode parameter
Oper.origin.orCat
CO
-
-
Cmd
Mode parameter
Oper.origin.orIdent
CO
-
-
Cmd
Mode parameter
Oper.ctlNum
CO
-
-
Cmd
Mode parameter
Oper.T
CO
-
-
Cmd
Mode parameter
Oper.Test
CO
-
-
Cmd
Mode parameter
Oper.Check
CO
-
-
Cmd
Mode parameter
stVal
ST
-
-
Mon
Mode status parameter for 61850
q
ST
-
-
Mon
Mode status parameter for 61850
t
ST
-
-
Mon
Mode status parameter for 61850
Beh
a_dINS
stVal
ST
-
Beh
Mon
Behaviour parameter for 61850
q
ST
-
Beh
Mon
Behaviour parameter for 61850
t
ST
-
Beh
Mon
Behaviour parameter for 61850
Op
b_dACT
general
ST
T
TRIP
Mon
Common trip signal
q
ST
T
TRIP
Mon
Common trip signal
t
ST
T
TRIP
Mon
Common trip signal
OpRst
v1_dSPS
stVal
ST
-
TRIPRES
Mon
Trip signal from restrained differential
protection
Table continues on next page
Section 7
1MRK 511 281-UUS A
Logical node data model
68
650 series ANSI
Communication protocol manual
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