Siemens Simatic S7-300 CPU 31xC Series Installation And Operating Instructions Manual page 130

Commissioning
8.3 Commissioning check list
Mains voltage
Points to be examined
Is the correct mains voltage set for all components?
Power supply module
Points to be examined
Is the mains plug wired correctly?
Is mains voltage connected?
8-6
S7-300:
Installation in
chapter
Wiring
S7-300:
Installation in
chapter
Wiring
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S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
See reference
manual; Section
...
Module
Specifications
See reference
manual; Section
...
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