Siemens S7-300 - Page 129

Digital modules
8.5 SM 326; DO 8 x DC 24V/2A PM
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
129
Wiring and block diagram
The following figure shows the wiring and block diagram of SM 326; DO 8 x DC 24V/2A PM.
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Figure 8-34 Wiring and block diagram of SM 326; DO 8 x DC 24V/2A PM
Channel numbers
The channel numbers are used to identify the outputs and to assign channel-specific
diagnostic messages.
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Figure 8-35 Channel numbers for SM 326; DO 8 x DC 24V/2A PM