
The power and voltage measuring circuit must be connected with cables that have a mini-
mum cross-section of 1mm
2
.
The secondary line of the current transformer will have a minimum cross-section of 2.5
mm
2
.
3.3.- UNIT TERMINALS
Table 2:List of CVM-C5 terminals�
Unit terminals
1 : Auxiliary Power Supply 10: V
L3
, L3 voltage input
2: Auxiliary Power Supply 11: N, neutral
3: SO+, Transistor output 12: S
1
, L1 current input
4: SO-, Transistor output 13: S
2
, L1 current input
5: Not connected 14: S
2
, L1 current input
6: Digital input 15: S
2
, L2 current input
7: Digital input 16: S
1
, L3 current input
8: V
L1
, L1 voltage input 17: S
2
, L3 current input
9: V
L1
, L1 voltage input
1
2
3
4
5
6 7
8
9 10 11 12 13
14
15
16 17
POWER SUPPLY
INPUT
S0+ S0-
OUTPUT
S1 S2 S1 S2 S1 S2
L1
P1 P2
L2 L3
300V ~
Ph-NPh-Ph
520V
~
NV
L3L2
V
L1
V
P1 P2 P1 P2
Figure 1: CVM-C5 terminals�
8
CVM-C5
Instruction Manual
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