Siemens CPU 315-2 DP 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 figure below shows you the block diagram of a PROFIBUS subnet.
S5-95U
PG
1
3
S7-300
CPU
PS
CPU
31x-2 DP
MASTER
MPI addr. 0
MPI addr. 3
PROFIBUS
addr. 2
PROFIBUS
addr. 3
PROFIBUS
addr. 4
PROFIBUS
addr. 5
PROFIBUS
addr. 6
PROFIBUS
addr. 7
3
CPU
PS
ET 200M
CPU
PS
ET 200M
CPU
PS
ET 200 M
3
S7-300
CPU
PS
DP-CPU
CPU
PS
ET 200M
CPU
PS
ET 200M
CPU
ET 200B ET 200B
CPU
ET 200B
CPU
ET 200B
PROFIBUS
addr. 12
PROFIBUS
addr. 11
PROFIBUS
addr. 10
PROFIBUS
addr. 9
PROFIBUS
addr. 8
1
1
2
Figure 5-16 Example of a PROFIBUS subnet
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 Terminating resistor inserted
 PG connected by means of a stub cable for maintenance purposes

Siemens CPU 315-2 DP Specifications

General

Brand	Siemens
Model	CPU 315-2 DP
Category	Controller
Language	English