KBR multicomp F144-MS-1V1C1TI6DO6RO-3 - Measuring Accuracy; Measuring Principle; Device Memory; Other Limits

Rev. 1.00
22586_EDEBDA0253-0318-1_EN
45
KBR multicomp F144-3 6DO/6RO
11.2 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
11.3 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;
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
11.4 Device memory
Data storage 16 kB RAM (volatile)
Program and parameter memory 128 kB ash
Extreme values (max.) No compensation power Q
max
11.5 Other limits:
Limit violations:
Harmonics Acquisition time approx. 100 ms
Overvoltage switch-o: Acquisition time approx. 40 ms
Zero-voltage switch-o: Acquisition time approx. 40 ms
(for measuring voltage)
11.6 Power supply
Power supply 100 to 240V +/- 10% DC/50/60 HZ