26 Device Description
WAGO I/O System 750 XTR
750-495/040-010 3-Phase POM 20KV 300A XTR
Manual
Version 1.0.0
3.6.4
Measured Values
Table 12: Technical Data – Measured Values
Measurement method
RMS value calculation (true RMS) for
voltages and currents, measured value
acquisition at 8 kHz, synchronous on
all 6 measurement inputs, 24 bit
resolution
Scaling for voltage measurement (Lx – N)
Nominal voltage U
N
(3.25 V / √3)
20 kV / √3 (= 11.547 kV)
Upper measurement range (3.92 V /
√3)
24.116 kV / √3 (= 13.923 kV)
Scaling for current measurement (Ix – N)
Nominal voltage U
N
(225 mV) 300 A
Upper measurement range (540.75
mV)
721 A
Calculated values
Line-to-line voltage, power output,
energy, power factors, line frequency,
harmonic analysis (up to the 41st
harmonic
Process data update:
Voltage, Lx – N
40 ms
Voltage, min./max. Lx – N
40 ms
Voltage, Lx – Ly
340 ms
Average value, voltage Lx – N
Adjustable, 5 ... 900 s
Peak value, voltage Lx – N
200 ms
Current, Lx
40 ms
Current, min./max. Lx
40 ms
1)
Average value, current, Lx
Adjustable, 5 ... 900 s
Peak value, current, Lx
200 ms
Active power, Lx
40 ms
Active power, min./max. Lx
40 ms
1)
Reactive power, Lx
340 ms
Apparent power, Lx
40 ms
Energy meter
400 ms
Line frequency, Lx
280 ms
Mains frequency, min./max. Lx
280 ms
Phase angle phi, Lx
340 ms
cos phi
340 ms
PF power factor, Lx
280 ms
LF power factor, Lx
280 ms
2
The process value update of the minimum / maximum value can be delayed by up to 40 ms compared to the
reference measured value.
