WM40 Smart Modular 3-Phase Power Analyser View larger

WM40 Smart Modular 3-Phase Power Analyser

Three-phase smart power analyzer with built-in application configuration system and LCD data displaying. Particularly recommended for the measurement of the main electrical variables.

WM40 is based on a modular housing for panel mounting with IP65 (front) protection degree. Moreover the analyzer can be provided with digital outputs that can be either for pulse proportional to the active and reactive total, partial and tariff energy being measured or/and for alarm outputs.

The instrument is equipped with optical communication port, further I/O’s such as: RS485/RS232, Ethernet, BACnet-IP, BACnet MS/TP or Profibus DP V0 communication ports, pulse and alarm outputs and 6 digital inputs or analogue outputs are available on request. Parameters programming and data reading can be easily performed by means of UCS (Universal Configuration Software).

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Features

• Class 0.5S (kWh) according to EN62053-22

• Class 2 (kvarh) according to EN62053-23

• Accuracy ±0.2% RDG (current/voltage)

• Instantaneous variables readout: 4x4 DGT

• Energies readout: 9+1 DGT

• System variables: VLL, VLN, A, VA, W, var, PF, Hz, phase-sequence, phase-asymmetry and phaseloss.

• Single phase variables: VLL, VLN, AL, An (calculated or real depending on the option), VA, W, var, PF

• Both system and singles phase variables with average, max and min calculation

• Direct neutral current measurement (on request)

• Harmonic analysis (FFT) up to the 32nd harmonic (current and voltage) with harmonics source detection (imported/exported, only via serial port)

• Energy measurements (imported/exported): total and partial kWh and kvarh (inductive and capacitive) or based on 6 different tariffs (on request)

• Energy measurements according to ANSI C12.20, CA 0.5, ANSI C12.1

• Gas, cold water, hot water, remote heating measurements (on request)

• Run hours counter (8+2 DGT)

• Real time clock function

• Data stamping of up to 10,000 events: alarm, min, max, digital input status, digital output status, resets, programming changing (on request)

• Application adaptable display and programming procedure (Easyprog function)

• Universal power supply: 24-48 VDC/AC, 100-240 VDC/AC

• Front dimensions: 96x96 mm

• Front protection degree: IP65, NEMA4x, NEMA12

• Optical front communication port (ANSI type 2)

• Up to one RS232 and RS485 port (on request)

• Communication protocol: MODBUS-RTU

• MODBUS TCP/IP Ethernet port (on request)

• BACnet-IP over Ethernet port (on request)

• BACnet MS/TP over RS485, BTL approved (on request)

• Profibus DP V0 port, PROFIBUS Nutzerorganisation e.V. approved (on request)

• Up to 6 digital inputs for tariff selection, “dmd” synch, gas/water (hot-cold) and remote heating metering (on request)

• Up to 8 static outputs (pulse, alarm, remote control) (on request)

• Up to 6 relay outputs (pulse, alarm, remote control) (on request)

• Up to 16 freely configurable alarms with OR/AND logic linkable with up to either 4 relay outputs or up to 6 static outputs (on request)

• Up to 4 analogue outputs (+20mA, +10VDC) (on request)

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