Siemens CPU 312C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
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The sample in the figure below shows the relationships you can configure for direct
data exchange. In the figure, all DP masters DP slaves are a CPU 31x-2 DP/31xC-
2 DP respectively. Note that other DP slaves (ET 200M, ET 200X, ET 200S) can
only operate as sending station.
CPU
DP master 1
PROFIBUS
CPU
DP slave 3
DP slave 5
CPU
DP slave 1
DP master
system 1
DP master
system 2
CPU
DP master 2
CPU
DP slave 2
CPU
DP slave 4
Figure 9-8 Direct data exchange with CPUs 31x-2 DP/31xC-2 DP

Siemens CPU 312C Specifications

General

Brand	Siemens
Model	CPU 312C
Category	Processor
Language	English