Example Of A Profibus Subnet - Siemens SIMATIC S7-300 Hardware And Installation Manual

Configuring
Example: PROFIBUS subnet
The figure below shows you the block diagram of a PROFIBUS subnet.
S7-300 with
CPU 31x-2 DP
as DP master
ET 200M
SF
SIEMENS
BUSF
DC5V DC5V
FRCE
RUN
STOP
2 À
3
3
0
PG**
ET 200M
12 À
* 2 = Default PROFIBUS address for DP master
**Connect via spur lines to MPI only during Commissioning/Maintenance (with MPI address = 0)
0 ... x PROFIBUS addresses of nodes
0 ... x MPI addresses of nodes
À Terminating resistance on
Figure 4-16 Example of a PROFIBUS Subnet
4-42
S7-300
ET 200M
SF
SIEMENS
BUSF
DC5V
FRCE
RUN
STOP
4
5
ET 200B ET 200B
11 10
S7-300 Programmable Controller Hardware and Installation
ET 200M
S5-95U
6
7
ET 200B ET 200B
9 8
A5E00105492-01