
Digital modules
4.14 Digital output module SM 422; DO 16 x DC 24 V/2 A; (6ES7422-1BH11-0AA0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
143
Wiring and Block Diagram of the SM 422; DO 16 x DC 24 V/2 A
1
2
3
4
5
6
7
8
9
11
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48
1
2
0
3
1L+
5
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4
7
5
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4
7
1
2
0
3
2M
2L+
2L+
1M
3L+
3L+
2M
4L+
4L+
Process Module
Data register and bus controlLED control
1. Supply group
2. Supply group
3. Supply group
4. Supply group
5. Supply group
6. Supply group
7. Supply group
8. Supply group
Figure 4-11 Wiring and Block Diagram of the SM 422; DO 16 x DC 24 V/2 A
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