Unit terminals, Mdc-4 – CIRCUTOR MDC-4 User Manual
Page 9
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3.3.- UNIT TERMINALS
Table 2:List of MDC-4 terminals
Unit terminals
1: VL1, Voltage input L1
13, 14: Relay output 2
3: VL2, Voltage input L2
15, 16: Relay output 1
5: VL3, Voltage input L3
17: Auxiliary Power Supply
6: N, Voltage input neutral
18: Auxiliary Power Supply
8: Relay output 4, NC
21: COM, Common current inputs
9: Relay output 4, C
22: S1, Current input L3
10: Relay output 4, NO
23: S1, Current input L2
11, 12: Relay output 3
24: S1, Current input L1
MDC-4
CPU
OUT 4
OUT 3
OUT 2
OUT 1
1
3
5
6
9
10 11 12 13 14 15 16
17 18
24
21
23 22
8
Figure 1:MDC-4 terminals�
9
Instruction Manual
MDC-4
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