ABB RER615 - Page 586

Name Type Values (Range) Unit Description
4=low-low
U_INST_A FLOAT32 0.00...5.00 xUn UL1 Amplitude,
magnitude of in-
stantaneous val-
ue
U_ANGL_A FLOAT32 -180.00...180.00 deg UL1 angle
U_DMD_A FLOAT32 0.00...5.00 xUn Demand value of
UL1 voltage
U_INST_B FLOAT32 0.00...5.00 xUn UL2 Amplitude,
magnitude of in-
stantaneous val-
ue
U_ANGL_B FLOAT32 -180.00...180.00 deg UL2 angle
U_DMD_B FLOAT32 0.00...5.00 xUn Demand value of
UL2 voltage
U_INST_C FLOAT32 0.00...5.00 xUn UL3 Amplitude,
magnitude of in-
stantaneous val-
ue
U_ANGL_C FLOAT32 -180.00...180.00 deg UL3 angle
U_DMD_C FLOAT32 0.00...5.00 xUn Demand value of
UL3 voltage
8.1.5.6 Technical data
Table 598: VMMXU Technical data
Characteristic Value
Operation accuracy
Depending on the frequency of the voltage measured: f
n
±2
Hz
At voltages in range 0.01…1.15 × U
n
±0.5 % or ±0.002 × U
n
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
RMS: No suppression
8.1.5.7 Technical revision history
Table 599: VMMXU Technical revision history
Technical revision Change
B Phase and phase-to-phase voltage angle val-
ues and demand values added to Monitored
data view.
C Internal improvement.
D Internal improvement.
Measurement functions 1MRS758755 C
586 REC615 & RER615
Technical Manual