Example Of A Profibus Subnet - Siemens CPU 313C Hardware And Installation Manual

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The figure below shows you the block diagram of a PROFIBUS subnet.
S7-300
3 3
CPU
31x-2 DP
PS CPU
MASTER
1
MPI addr. 3
PROFIBUS
addr. 2
MPI addr. 0
2
PG
PS ET 200M
Figure 5-16 Example of a PROFIBUS subnet
 Terminating resistor inserted
PG connected by means of a stub cable for maintenance purposes

S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
3
PS ET 200M CPU PS ET 200M CPU
PROFIBUS PROFIBUS
addr. 3 addr. 4
CPU ET 200B CPU
1
PROFIBUS PROFIBUS
1
addr. 12 addr. 11
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S7-300
PS PS ET 200 M CPU CPU PS ET 200M CPU
DP-CPU
PROFIBUS
addr. 5
ET 200B ET 200B CPU
PROFIBUS PROFIBUS
addr. 10 addr. 9
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S5-95U
PROFIBUS PROFIBUS
addr. 6 addr. 7
ET 200B CPU
PROFIBUS
addr. 8
5-45