3�4�- DEVICE TERMINALS
1: A1, Auxiliary power supply.
2: A2, Auxiliary power supply.
3: V
, L1 voltage input
L1
4: V
, L2 voltage input
L2
5: V
,L3 voltage input
L3
6: V
Neutral voltage input
LN,
7: S1, L1 current input
8: S2, L1 current input
9: S1, L2 current input
10: S2, L2 current input
11: S1, L3 current input
12: S2, L3 current input
13: S1, Leakage current input
14: S2, Leakage current input
15: COM, Common relays
16: R1, Relay output 1
17: R2, Relay output 2
18: R3, Relay output 3
19: R4, Relay output 4
20: R5, Relay output 5
21: R6, Relay output 6
22: R7, Relay output 7 (Computer SMART III 12 and 14 models)
12
Table 3:List of Computer SMART III terminals
Terminals of the top side of the device
1
2
4
3
15
16
17
18
19
20
21
22
23
24
25
26
27
28 29 30 31 32 33
Figure 2: Computer SMART III terminals�
23: R8, Relay output 8 (Computer SMART III 12 and 14 models)
24: R9, Relay output 9 (Computer SMART III 12 and 14 models)
25: R10, Relay output 10 (Computer SMART III 12 and 14 models)
26: R11, Relay output 11 (Computer SMART III 12 and 14 models)
27: R12, Relay output 12 (Computer SMART III 12 and 14 models)
28: A(+), RS-485
29: B(-), RS-485
30: S, GND for RS-485
31: 1, Digital input 1
32: 1, Digital input 2
33: C, Common to the digital inputs
34: 1, Digital output 1
35: 2, Digital output 2
36: C, Common to the digital outputs
37: Fan relay output
38: Fan relay output
39: NC, Alarm relay output
40: C, Alarm relay output
41: NO, Alarm relay output
42: COM, Common relays
43: R12, Relay output 13 (Computer SMART III 14 model)
44: R12, Relay output 14 (Computer SMART III 14 model)
5
6
7 8 9 10 11 12
13
34 35 36
37 38 39 40 41
Computer SMART III
14
42
43
44
Instruction Manual
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