Accuracy Of The Measured Values; Accuracy Of The Measured Ground Current With Isolated/Resonant Ground Connection - Siemens SICAM A8000 Series Manual

2.9.3.1

Accuracy of the Measured Values

Measured variable
Voltage U
Phase current I
Power P
Reactive power Q
Apparent power S
Power factor
Frequency f (49...51/59...61 Hz)
2.9.3.2 Accuracy of the Measured Ground Current with
Isolated/Resonant Ground Connection
Measured variable
Ground current I
Measuring range
Accuracy
SICAM A8000 Series, SICAM I/O Modules
DC8-012-2.06, Edition 09.2019
Dependency of accuracy class acc. to
IEC 61557-12:2007-08 (K55)
1%
1% at nominal frequency
3%
3%
3%
3%
1%
Dependency of accuracy class acc. to
IEC 61557-12:2007-08 (K55)
setting 0.4...1.9 A
N
0.2...2.43 A @ 50/60 Hz
±0.1 A for current range
0.2...2.43 A
Standard I/O Modules
2.0...2000 A
2.44...600 A @ 50/60 Hz
±0.18 A for current range
2.44...11.99 A
±1% for current range 12...600 A
Unrestricted
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