Siemens CPU 312C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
9-12 A5E00105492-03
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• You must have installed and wired up the S7-300.
• The MMC is inserted in the CPU.
• Your CPU's mode selector switch must be set to STOP.
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Switch on the PS 307 power supply module.
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• The 24 VDC LED on the power supply module is lit.
• The 5 VDC LED on the CPU
– is lit.
– The STOP LED flashes at 2 Hz when the CPU executes an automatic
memory reset.
– The STOP LED is lit after memory reset.

Siemens CPU 312C Specifications

General

Brand	Siemens
Model	CPU 312C
Category	Processor
Language	English