CHAPTER 3: IEC 61850 COMMUNICATION MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR FAMILY – COMMUNICATIONS GUIDE 3-179
3
Table 3-197: AC signal sources data objects
zeroDb INT32U CF voltage cut-off level. R
angRef ENUMERATED CF See UR product manual regarding 
FREQUENCY AND PHASE REFERENCE
R
VauxRMS MV SRC # Auxiliary Voltage RMS, in primary 
volts
R
instMag AnalogueValue MX R
instMag.f FLOAT32 SRC # Auxiliary Voltage RMS R
mag AnalogueValue MX R
mag.f FLOAT32 instMag.f deadbanded R
units Unit CF R
units.SIUnit ENUMERATED 29, the code for primary volts (W/A) R
units.multiplier ENUMERATED 0, the code for a multiplier of 1 R
db INT32U CF MMXN# RMS AuxV DEADBAND R/W/C
zeroDb INT32U CF voltage cut-off level.  R
Agnd CMV SRC # Ground Current phasor, in primary 
amperes
R
instCVal Vector MX R
instCVal.mag.f FLOAT32 SRC # Ground Current 
Magnitude
R
instCVal.ang.f FLOAT32 SRC # Ground Current Angle UR range -180...+180 converted to 0...360R
cVal Vector MX R
cVal.mag.f FLOAT32 instCVal.mag.f deadbanded R
cVal.ang.f FLOAT32 instCVal.ang.f deadbanded R
units Unit CF R
units.SIUnit ENUMERATED 5, the code for primary amperes R
units.multiplier ENUMERATED 0, the code for a multiplier of 1 R
db INT32U CF MMXN# GndCur.db R/W/C
dbAng INT32U CF MMXN# GndCur.dbAng R/W/C
zeroDb INT32U CF current cut-off level. R
angRef ENUMERATED CF See UR product manual regarding 
FREQUENCY AND PHASE REFERENCE
R
AgndRMS MV SRC # Ground Current RMS, in primary 
amperes
R
instMag AnalogueValue MX R
instMag.f FLOAT32 SRC # Ground Current RMS R
mag AnalogueValue MX R
mag.f FLOAT32 instMag.f deadbanded R
units Unit CF R
units.SIUnit ENUMERATED 5, the code for primary amperes R
units.multiplier ENUMERATED 0, the code for a multiplier of 1 R
db INT32U CF MMXN# RMS GndCur 
DEADBAND
R/W/C
zeroDb INT32U CF current cut-off level.  R
LNName: ACsrcMSQI# LDevice inst: Meter UR element: AC Source #
data obj. data attribute Type FC UR Name Description R/W/C
SeqA SEQ SRC # Sequence Current phasors, in 
primary amperes
R
c1 CMV R
c1.instCVal Vector MX R
c1.instCVal.mag.f FLOAT32 SRC # Positive Sequence Current 
Magnitude
R
c1.instCVal.ang.f FLOAT32 SRC # Positive Sequence Current 
Angle
UR range -180...+180 converted to 0...360R
LNName: ACsrcMMXN# LDevice inst: Meter UR element: AC Source #
data obj. data attribute Type FC UR Name Description R/W/C