
Digital modules
4.15 Digital output module SM 422; DO 16 x DC 20-125 V/1.5 A (6ES7422-5EH10-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
147
Wiring diagram of the SM 422; DO 16 x DC 20-125 V/1.5 A
1
2
3
4
0
Byte 0
5
6
1
7
8
2
9
10
3
11
13
L1+
12
14
15
4
16
17
5
18
19
6
20
21
7
22
24
23
26
27
28
29
30
31
32
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36
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38
39
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41
42
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45
46
48
47
25
37
0
1
2
3
4
5
6
7
M1
- +
L1+
Byte 1
L2+
M2
- +
L2+
M2
Process Module
Data register and bus controlLED control
Figure 4-12 Wiring diagram of the SM 422; DO 16 x DC 20-125 V/1.5 A
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