B-32
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
MICS
CHAPTER B: IEC 61850 IMPLEMENTATION DETAILS
2.7 Logical Nodes for metering and measurement. LN Group: M
2.7.1 MMXU (Measurement)
MMXU1: Measurements (845-Slot J, 869, 889-Slot J)
MMXU1: Measurements (850)
MMXU class
Attribute Name
Attr. Type Explanation
M/O
Notes
MMXU_1
Measurement
Data
Common Logical Node Information
Mod
ENC_0
Mode
M
Beh
ENS_0
Behavior
M
Health
ENS_1
Health
M
NamPlt
LPL_1
Name plate
M
Measured values
TotW
MV_0
Total active power (P)
O
Real Power
TotVAr
MV_0
Total reactive power (Q)
O
Reactive Power
TotVA
MV_0
Total apparent power (S) O
Apparent Power
TotPF
MV_0
Average power factor (PF) O
Power Factor
Hz
MV_0
Line Frequency
O
VLFREC
HzRte
MV_1
Freq. rate of change
O
Hz3VT
MV_1
3 VT Frequency
O
Hz3VTRte
MV_1
3 VT Freq. rate of change O
HzVx
MV_1
Vx Frequency
O
HzVxRte
MV_1
Vx Freq. rate of change
O
PPV
DEL_0
Phase to phase voltages
(VL1L2,...)
O
Phase Voltage
PhV
WYE_0
Phase to ground voltages
(VL1ER, ...)
O
Ground Voltage
A
WYE_1
Phase currents (IL1, ...)
O
Currents
AuxV
CMV_1
Auxiliary Phase Voltage
O
Aux Voltage
MMXU class
Attribute Name
Attr. Type Explanation
M/O
Notes
MMXU_1
Measurement
Data
Common Logical Node Information
Mod
ENC_0
Mode
M
Beh
ENS_0
Behavior
M
Health
ENS_1
Health
M
NamPlt
LPL_1
Name plate
M
Measured values
TotW
MV_0
Total active power (P)
O
Real Power
TotVAr
MV_0
Total reactive power (Q)
O
Reactive Power
TotVA
MV_0
Total apparent power (S) O
Apparent Power
TotPF
MV_0
Average power factor (PF) O
Power Factor
Hz
MV_0
Line Frequency
O
VLFREC