X20 system modules • Analog input modules • X20AP31x1
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X20 system User's Manual 3.10
4.3.14.10.8 Analog THD and angle registers
4.3.14.10.8.1 THD+N value voltage phase A/B/C
Name:
THDNUA
THDNUB
THDNUC
Data type
Value
Information
UINT
0 to 10000
Resolution 0.01%
Harmonic content = (SQR(Rms
total
^2 - Rms
fundamental
^2))/Rms
fundamental
4.3.14.10.8.2 THD+N value current phase A/B/C
Name:
THDNIA
THDNIB
THDNIC
Data type
Value
Information
UINT
0 to 10000
Resolution 0.01%
Harmonic content = (SQR(Rms
total
^2 - Rms
fundamental
^2))/Rms
fundamental
4.3.14.10.8.3 Fundamental frequency measured
Name:
Freq
Measured fundamental frequency of phases A, B and C.
Data type
Value
Information
UINT
0 to 10000
Resolution 0.01 Hz
4.3.14.10.8.4 Phase angle of power on phase A/B/C
Name:
PAngleA
PAngleB
PAngleC
Middle phase angle (power angle) of the current to the voltage based on the zero-crossing detection.
Data type
Value
Information
INT
-1800 to 1800
Resolution 0.1°
4.3.14.10.8.5 Transformer temperature
Name:
Temperature
This register contains the internal temperature of the transformer component. The temperature is recorded in a
100 ms interval.
Data type
Value
Information
INT
-200 to 200
Resolution 1°C
4.3.14.10.8.6 Phase angle of voltage on phase A/B/C
Name:
UAngleA
UAngleB
UAngleC
The value for phase A is always 0. On the other phases, the angle corresponds with the offset to A. This is based
on the zero-crossing detection.
Data type
Value
Information
INT
-1800 to 1800
Resolution 0.1°
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