8 MEASUREMENTS AND RECORDING
8.1 GENERAL
General Measurement Accuracy at 20° C
General measurement accuracy Typically +/- 1%, but +/- 0.5% between 0.2 - 2 In/Vn
Current magnitude
0.05 to 4 In +/- 0.5% of reading (1A input)
0.05 to 4 In +/- 1.0% of r
eading (5A input)
Voltage magnitude 0.05 to 2 Vn +/- 1.0% of reading
Current phase
0° to 360° +/- 0.5° (0.05 to 4 In for 1A input)
0° to 360° +/- 1° (0.05 to 4 In for 5A input)
Voltage phase
0° to 360° +/- 0.5° (0.2 to 2 Vn)
0° to 360° +/- 1° (0.05 to 2 Vn)
Frequency 40 to 70 Hz +/- 0.025 Hz
Power (W) 0.2 to 2 Vn and 0.05 to 3 In +/- 5.0% of reading at unity power factor
Reactive power (Vars) 0.2 to 2 Vn and 0.05 to 3 In +/- 5.0% of reading at zero power factor
Apparent power (VA) 0.2 to 2 Vn and 0.05 to 3 In +/- 5.0% of reading
Energy (Wh) 0.2 to 2 Vn and 0.2 to 3 In +/- 5.0% of reading at zero power factor
Energy (Varh) 0.2 to 2 Vn and 0.2 to 3 In +/- 5.0% of reading at zero power factor
8.2 MEASURED OPERATING DATA
Local Values Primary/Secondary
Remote Values Primary/Secondary
Measurement Reference VA/VB/VC/IA/IB/IC
Demand Interval 1…99 mins
Alarm Fix Demand Invisible/Visible
3 Phase Watt Threshold 1 In……120 In W
3 Phase Var Threshold 1 In……120 In VAr
Alarm Energies Invisible/Visible
W Fwd Threshold 1 In……1000 In Wh
W Rev Threshold 1 In……1000 In Wh
Var Fwd Threshold 1 In……1000 In VAr
Var Rev Threshold 1 In……1000 In VAr
Motor Hour Run >1 Disable/Enable
Motor Hour Run >1 1…9999 Hours
Motor Hour Run >2 Disable/Enable
Motor Hour Run >2 1…9999 Hours
Remote 2 Values Primary/Secondary
P24xM Chapter 21 - Technical Specifications
P24xM-TM-EN-2.1 447
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