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Terminals connection
OPTIONAL DIGITAL OUT/IN CONFIGURATION:
Wiring connection
(1)
Three-phase measuring, four conductors, unbalanced load,
(2)
Three-phase measuring, three conductors, unbalanced load, without
without voltage transformers, with current transformers. voltage transformers, with two current transformers. (ARON)
Connection type 3PH-4W Connection type ARON
N°
Description
N°
Description
N°
Description
1
Phase current IL1, input (S1)
10
Phase-to-neutral voltage VL1
19
Auxiliary supply (neutral or phase)
2
Phase current IL1, output (S2)
11
Not used
20
Not used
3
Phase current IL2, input (S1)
12
Phase-to-neutral voltage VL2
21
Auxiliary supply (neutral or phase)
4
Phase current IL2, output (S2)
13
Not used
22
Not used
5
Phase current IL3, input (S1)
14
Phase-to-neutral voltage VL3
23
A signal COM2 RS-485 (optional) *
6
Phase current IL3, output (S2)
15
Not used
24
B signal COM2 RS-485 (optional) *
7
Neutral current IN, input (S1) (optional) *
16
Neutral conductor VN
25
A signal COM1 RS-485
8
Neutral current IN, output (S2) (optional) *
17
Not used
26
B signal COM1 RS-485
9
Not used
18
Not used
27
Common = Ground RS-485
2 or 4 DIGITAL OUTPUTS
2 DIG. OUTPUTS - 2 DIG. INPUTS
4 DIGITAL INPUTS
N°
Description
N°
Description
N°
Description
28
Digital output 1 +
28
Digital output 1 +
28
Digital input 1 +
29
Digital output 1 -
29
Digital output 1 -
29
Digital input 1 -
30
Digital output 2 +
30
Digital output 2 +
30
Digital input 2 +
31
Digital output 2 -
31
Digital output 2 -
31
Digital input 2 -
32
Digital output 3 +
32
Digital input 1 +
32
Digital input 3 +
33
Digital output 3 -
33
Digital input 1 -
33
Digital input 3 -
34
Digital output 4 +
34
Digital input 2 +
34
Digital input 4 +
35
Digital output 4 -
35
Digital input 2 -
35
Digital input 4 -
36
Not used
36
Not used
36
Not used