Technical Features; General Features; Input Specifications - CARLO GAVAZZI WM3-96 - PROGRAMMING Instruction Manual

32bit µ-processor based power quality analyser with modular housing for plug and play modules

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Table of Contents

General features

• Modular housing for Plug and Play modules

• IP65 protection degree

• 32-bit -processor based indicator and controller

• TRMS measurements

• Back-lighted graphic LCD display (128 x 64 dots)

• 4 x 4 dgt read-out (instantaneous variables)

• 4 x 9 dgt read-out (total energies), 4 x 6 dgt (partial energies)

• 4 independent total energy meters (Wh, varh)

• Up to 48 independent partial energy meters (Wh,varh)

• Harmonic analysis up to the 50th harmonic with histogram

indication

• Up to 8 simultaneous outputs: pulses, alarm, analogue

output and serial communication port

• According to: EN61010-1(safety);

accuracy: EN60688-1, EN61036, EN61268.

Input specifications

NUMBER OF INPUTS:

• Current: 6

• Voltage: 4

• Digital: 3 free of voltage contacts for synchronization of W-VA-

A measurements. Reading/voltage: <8mA/ 17.5V to 25VDC

ACCURACY (display, RS485, RS232)

Vn: 240VL-N, Uf.s. 300VL-N; In: 5A, max 6A

• Current: 0.5% rdg (0.2 to 1.2 In) 5mA (0.02 to 0.2 In)

• Neutral current: 1% rdg (0.2 to 1.2 In) @40 to 100H

• Voltage: Range AV5: 0.5% rdg (48 to 300 V

Range AV7: 0.5% rdg (80 to 480 V

Included frequency, power supply and output load influ-

ences.

• Frequency: 0.1% rdg (40 to 440 Hz).

• Active power (@25 C 5 C, R.H. 60% non-condensing):

0.5% (rdg + f.s.) (cos 0.5 L/C, 0.1 to 1.2 In, range AV5)

or 1% rdg (cos 0.5 L/C, 0.1 to 1.2 In, range AV5).

Serial connection