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Item number: CU5000-

Transparent power quality and energy consumption monitoring

  • Transparent power quality and energy consumption monitoring
  • Transparent power quality and energy consumption monitoring
  • Transparent power quality and energy consumption monitoring

The CENTRAX CU5000 combines the functionality of a highly accurate instrument for heavy current applications with the possibilities of a freely programmable Soft-PLC in one housing. The connection of the process environment may be performed by communication interfaces, via digital I/Os, analog outputs or relays.

  • Technical characteristics

    PLC functionality

    • Based on Codesys, 3 performance classes
    • BASIC: Flexible processing of the data of the measurement device using the complete I/O functionality
    • ADVANCED: BASIC + Modbus RTU/TCP master and time-dependent processes
    • PROFESSIONAL: ADVANCED + self-defined websites and local visualizations + Codesys data logger

    Condition monitoring

    • Provision of all voltages, currents, powers, power factors every 10/12 cycles
    • Variance of system variables with time reference
    • Measurements of Modbus slaves

    Energy flow analysis

    • Power mean-values with trend-analysis for preventing load-peaks
    • Load profile storage with fluctuation range (min/max) per interval
    • Active energy class 0.2S, Reactive energy class 0.5S (HT/LT, demand/delivery), configurable resolution
    • Further mean-values and meters with selectable base quantity

    Power quality analysis

    • Harmonic analysis acc. IEC 61000-4-7
    • Assessment of voltage and current imbalance
    • Phasor and phase sequence display for connection check
    • Waveform display
    • Optional disturbance recorder for PQ events (voltage dip, swell, interruption) acc. IEC 61000-4-30 Ed.3 with RMS1/2 and waveform recordings

    Hardware options

    Up to 2 modular extensions: Analog outputs ±20mA (2/4), relay outputs (2), digital inputs (4) active / passive, GPS time synchronization, fault-current monitoring (residual or earth current), temperature monitoring (Pt100, PTC), IEC61850


    • Ethernet (Modbus/TCP, http/https, NTP, SFTP, SYSLOG)
    • Modbus/RTU master or slave
    • Optional: IEC61850
    • Scheduled data export to SFTP server


    • Flexible Role Based Access Control
    • Encrypted communication via HTTPS
    • Audit Log records all security related procedures, support for SYSLOG for transfer to central network monitoring server
    • Client whitelist: IP address list for restricting authorized computers
    • Digital firmware signature: Prevents that manipulated firmware gets into the device via update

    Further features

    • 4 current and 4 voltage channels with 0.1% accuracy, direct measurement or via transformers
    • Measurement category 600V, CAT III (voltage), 300V,CAT III (current)
    • Standard IOs: 1 digital input, 2 digital outputs
    • Optional UPS (5x3 minutes)
    • Data logger with16 GB data memory (option)
    • Sampling rate: 18kHz
    • Monitoring and alarming via limit values and monitoring functions
    • Device for hat-rail mounting 160x110x70mm
    • Identical operation as devices of the AM/PQ/DM series



Do you have any questions on the product or do you need technical information or details on the current delivery period? Our sales backoffice will be pleased to assist you.

Sales International:
Telephone: +49 911 8602-0
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