Carlo Gavazzi WM3-96 - Manual (Page 55)

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56
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General features
• Modular housing for Plug and Play modules
• IP65 protection degree
• 32-bit
µ
-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.
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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
Z
• Voltage: Range AV5:
±
0.5% rdg (48 to 300 V
L
-
N
)
Range AV7:
±
0.5% rdg (80 to 480 V
L
-
N
)
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
ϕ
0.5 L/C, 0.1 to 1.2 In, range AV5)
or
±
1% rdg (cos
ϕ
0.5 L/C, 0.1 to 1.2 In, range AV5).
Technical features
Output specifications
58
64
Serial connection
51