Digital Modules
3-111
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Terminal assignment and block diagram of the SM 323;
DI 16/DO 16 x 24 VDC/0.5 A
Channel
number
Status display – green
Backplane bus
interface
24V
1M
M
M
2L+
M
2M
3M
24V
24V
3L+
Figure 3-36 Module View and Block Diagram of the SM 323; DI 16/DO 16 x 24 VDC/0.5 A
Terminal assignment
The figure below shows the assignment of the channels to the input and output
addresses.
Input byte x
Input byte (x + 1)
Inputs Outputs
Output byte x
Output byte (x + 1)
Figure 3-37 Terminal assignment of the SM 323; DI 16/DO 16 x 24 VDC/0.5 A
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