Siemens Simatic S7-300 - Module View and Block Diagram of SM 322; DO 16 X 24;48 VUC

Digital Modules
3-60
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Terminal assignment and block diagram of the SM 322; DO 16 x 24/48 VUC
5 V
3
1
2
0
3
1
2
0
7
5
6
4
7
5
6
4
SF
Channel number
Status LEDs - green
Byte X Byte (X +1)
8
7
10
9
6
3
2
5
4
1
38
37
40
39
36
33
32
35
34
31
28
27
30
29
26
23
22
25
24
21
18
17
20
19
16
13
12
15
14
11
M
L+
24V
+
Backplane bus
Figure 3-22 Module View and Block Diagram of SM 322; DO 16 x 24/48 VUC