About the 3020-CM-200
The 3020-CM-200 is a PowerLogic circuit monitor manufactured by Square D (Schneider Electric.) The 3020-CM-200 offers full instrumentation designed to integrate easily into existing facilities and processes and to work in conjunction with other PowerLogic devices. The PowerLogic 3020-CM-200 can be used almost anywhere standard voltage and current transformers are used. The 3020-CM-200 also offers waveform capture as a standard capability.
The 3020-CM-200 accepts standard CT and PT inputs (5a and 120V ac) The module has industry standard RS-422/RS-485 communications included, meaning it can be easily integrated into most new or existing networks. Examples of data available through communications include:
Instantaneous readings of
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Frequency (23.00 to 65 Hz)
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Temperature (-100 to +100 Celsius)
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RMS current (0 to 9999 A or 0 to 999.9 A)
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Current, Apparent rms (0 to 9999 A or 0 to 999.9 A)
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RMS Voltage L-L (0 to 32,767 V)
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RMS Voltage L-N (0 to 32,767 V)
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Power factor
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Real Power, 3-Phase total
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Reactive Power 3-Phase total
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Apparent Power, 3-Phase total
Demand readings of
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Average Demand Current (0 to 9999 A or 0 to 999.9A)
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Average Demand, Real Power
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Predicted Demand, Real Power
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Peak Demand, Real Power
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Peak Demand Current
Energy Readings of
For instantaneous readings, running minimums and maximums are also stored. The time and date are stored for all Peak Demand values.
The grounding of the 3020-CM-200 is usually done through the connection of its hardware to a grounded metal enclosure. If additional grounded is necessary, a separate ground wire can be connected to one of the 3020-CM-200's mounting studs.