Carlo Gavazzi WM4-96 - Manual (Page 72)

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72
Technical features
Measurements
67
Serial output connection
74
83
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Input features
Number of analogue inputs
Current: 1 (single-phase; system: 3).
4 (three-phase; system: 3)
Voltage: 1 (single-phase; system: 3).
4 (three-phase; system: 3).
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Digital inputs
AQ1038
Number of inputs: 3 (free of voltage).
Use: synchronization of W-VA dmd measurements
Interfacing: GMC/GME. Counting of m 3 gas / water,
tariff selection.
Reading current: <8mA/ 17.5 to 25VDC.
AQ1042
Number of inputs: 3 + input power supply.
Input frequency: Max 20 Hz, duty cycle 50%.
Output voltage: 16V<+Aux<24VDC.
Output current: Max 15mA.
Contact reading current: 15mA.
Close contact resistance: Max 1k
Ω
.
Open contact resistance: Min 100k
Ω
.
Insulation: 4000VRMS.
Maximum number of inputs: 6 in the configuration
AQ1038+AQ1042 or 2xAQ1042
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Accuracy
Display, RS232, RS485
In: 5A, If.s.: 6A, Vn: 240V
L-N
, Vf.s.: 300V
L-N
.
Current: (A
L1
, A
L2
, A
L3
): ±0.5% rdg (0.2 to 1.2 In), ±5mA
(0.02 to 0.2 In).