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RSTi-EP Power Measurement
SKU: EP-1813
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Short Description
Description:
The list of analog input modules includes the power measuring module.
This module can measure and process all essential measurements (RMS voltage, RMS current, active power, etc.) for one or three phase current consumers (up to 500 V AC phase-to-phase voltage).
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Specifications:
Power Measurement Module.
8 Channels.
16 Bytes Input.
16 Bytes Output.
System data:
Data: Process, parameter and diagnostic data depend on the network adapter used.
Interface: RSTi-EP system bus.
System bus transfer rate: 48 Mbps.
Connections:
Nominal input voltage: 0 … 300 Veff AC (L–N); one or three phase measurement.
Rated voltage: 250 V AC (L–N) +20%.
Sampling rate: 3300 Samples/s.
Resolution (per channel): 16 Bit (internally 24 Bit).
Frequency range: 45 ... 65 Hz.
Limiting frequency of the input filter: typ. 4,5 kHz.
Harmonics analysis: Visualization for the first 31 harmonics; 1% accuracy guaranteed for the first 10 harmonics (Blackman-Harris Window).
Isolation: 3,0 kV eff (1 min).
Rated impulse voltage: 4 kV.
Overvoltage category: CAT II (IEC 61010-1).
Measuring procedure: True RMS in conjunction with high resolution Delta Sigma converter.
Measuring accuracy: 0,5% for measured values relative to the upper limit of effective range (U/I) 1% for calculated values.
Temperature coefficient: U: 150 ppm/K I: 150 ppm/K.
Conducted disturbances: EN 61000-4-6/IEC 61000-4-6 < ±10.0%.
Input impedance: 2,4 MΩ per channel.
Measuring shunt: 4 mΩ (at 5 A), 44 mΩ (at 1 A).
Supply:
Supply voltage: 24 V DC +20% /-15%.
Current consumption from system current path ISYS: 8 mA.
Current consumption from input current path: 12 mA.