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CHAPTER 3: IEC 61850 COMMUNICATION MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR FAMILY – COMMUNICATIONS GUIDE 3-73
3
3.5.2.38 Negative sequence directional overcurrent (NegDoc)
This element is instantiated in the following products: C70, D30, D60, F60, G30, G60, L60, L90, T60.
Table 3-68: Negative sequence directional overcurrent data objects
3.5.2.39 Negative sequence instantaneous overcurrent (NegIoc)
This element is instantiated in the following products: C70, D30, D60, F35, F60, L30, L60, L90, T60.
Table 3-69: Negative sequence instantaneous overcurrent
mag.f FLOAT32 instMag.f on deadband
exception
R
units Unit CF R
units.SIUnit ENUMERATED 1, the code for dimensionless R
units.multiplier ENUMERATED 0, the code for a multiplier of 1 R
db INT32 CF MotThmPTTR1.BiasMotLod.db R/W/C
zeroDb INT32 CF 0 R
TotLOTm MV TOTAL MOTOR LOCKOUT TIME in seconds R
instMag AnalogueValue MX R
instMag.f FLOAT32 TOTAL MOTOR LOCKOUT TIME R
mag Analogue Value MX R
mag.f FLOAT32 instMag.f on deadband
exception
R
units Unit CF R
units.SIUnit ENUMERATED 4, the code for Time (Sec)NOTE: Modbus
measures this value in Minute
R
units.multiplier ENUMERATED 0, the code for a multiplier of 1 R
db INT32 CF MotThmPTTR1.TotLOTm.db R/W/C
zeroDb INT32 CF 0 R
LNName: NegDocRDIR# LDevice inst: Prot UR element: Negative sequence Directional Overcurrent element #
data obj. data attribute Type FC UR Name Description R/W/C
Dir ACD NEG DIR OC# FWD or NEG DIR OC# REV
operands, which becomes On when
Negative sequence directional
overcurrent is flowing in either forward or
reverse direction respectively
R
general BOOLEAN ST logical OR of operands NEG DIR
OC# FWD and NEG DIR OC# REV
R
dirGeneral ENUMERATED ST 1 for forward 2 for backward 0 for none 3
for both
R
FwdOp SPS NEG SEQ DIR OC# FWD operand R
stVal BOOLEAN ST NEG SEQ DIR OC# FWD R
RvOp SPS NEG SEQ DIR OC# REV operand R
stVal BOOLEAN ST NEG SEQ DIR OC# REV R
BlkRefγ ORG NEG SEQ DIR OC# BLOCK setting for
setting group γ.
R
setSrcRef ObjectReference SP NEG SEQ DIR OC# BLOCK for
group γ.
reference to the data attribute to input R/C
setSrcCB ObjectReference SP source GoCB of input if via GOOSE R/C
LNName: NegIocPIOC# LDevice inst: Prot UR element: Negative sequence Instantaneous Overcurrent element #
data obj. data attribute Type FC UR Name Description R/W/C
Str ACD NEG SEQ IOC# PKP operand, which is
indicates Op will operate when delay
expires.
R
general BOOLEAN ST NEG SEQ IOC# PKP R
dirGeneral ENUMERATED ST 0, the code for unknown. R
Op ACT NEG SEQ IOC# OP operand R
LNName: MotThmPTTR1 LDevice inst: Prot UR element: THERMAL MODEL element
data obj. data attribute Type FC UR Name Description R/W/C