V2.01
25359_EDEBD
A0279-2320-1_EN
45
Technical Data
12.2 Measuring accuracy
Current
± 0.5% / ± 1 digit (for 0.1 to 5 A)
Voltage
± 0.5% / ± 1 digit
Power
± 1% / ± 1 digit
Power factor
± 1% / ± 1 digit
Frequency
± 0.1% / ± 1 digit
Temperature
± 2 °C / ± 1 digit
12.3 Measuring principle
Sampling
128 readings per period
A/D converter
12 bit
Measurement of U and I
Simultaneous recording of U and I read-
ings;
Update speed
(complete measuring cycle)
20 ms
Harmonics calculation
FFT with 128 points over one period
Frequency measurement
Consumption: Voltage measurement
between phase Lx - N / Ly)
Temperature sensor
Analog measurement with PT 1000
12.4 Device memory
Memory
16 kB RAM (volatile)
Program and parameter memory
128 kB flash
Extreme values (max.)
No compensation power Q
max
Operating cycles
Memory cycles every 15 minutes
Temperature
max. measured value
12.5 Limits:
Limit violations:
Harmonics
Acquisition time approx. 100 ms
Overvoltage switch-off:
Acquisition time approx. 40 ms
Zero-voltage switch-off:
Acquisition time approx. 40 ms
(for measuring voltage)
12.6 Power supply
Power supply
100V - 240V +/-10% DC/50/60 Hz 12VA,
6W
