WM5 Smart Modular Power Quality Analyser

Features

• Class 0.2 (current/voltage)

• ARM® powered

• Back-lighted graph display (128x64 dots)

• Bargraph indication of instantaneous power (kW sys)

• Front size: 96x96 mm

• Measurement of single phase and system instantaneous variables: W, var, VA, PF, VLL, VLN, AL, An, Hz, THD, ASY VLL, ASY VLN (for all measurements max, min, dmd/AVG and max dmd/AVG values)

• Measured energies (imported/exported): kWh and kvarh

• Current and voltage inputs with autoranging capability

• 4x4 DGT instantaneous variable read-out

• 4x9 DGT total energies read-out

• 4x9 DGT partial energies read-out

• Energy measurements according to ANSI C12.20, CA 0.5, EN62053-22 CL 0.5S and ANSI C12.1, EN62053-23 CL 2

• 4 total 3-phase, 48 partial 3-phase and 12 total single phase independent energy meters to be used as single, dual, multi-time tariff management

• Display refresh rate: 10 time / sec

• Harmonic distortion analysis (FFT) up to the 63rd harmonic with graphic and numeric indication (current and voltage)

• Harmonics source detection

• Data stamping of up to 10,000 events: alarm, min, max, digital input status, digital output status as remote control, resets

• 4 independent communication ports: optical front communication port (ANSI C12.18) optional RS 422/485 serial port, optional RS232 + real time clock function, optional Ethernet port

• MODBUS RTU and TCP, JBUS protocol, iFIX SCADA compatibility

• Real time clock function (without back-up)

• Up to 12 optional digital inputs (sync function, remote digital input control)

• Up to 16 optional digital outputs (pulse, alarm, remote control)

• 16 freely configurable alarms with OR/AND logic linkable with up to 4 relay outputs and up to 16 open collector outputs

• Up to 8 optional analogue outputs (+20mA, +10VDC, +/- 5mA)

• Universal power supply: 18-60VAC/VDC, 90-260 VAC/VDC

• Front protection degree: IP 65, NEMA4x, NEMA12