Technical data
Active components
4.3 Active components for connecting two PROFIBUS networks
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
89
Figure 4-15 DP/DP coupler
Design
The DP/DP coupler is installed in a compact, 40 mm wide housing.
The module can be installed (vertically when possible) on a standard rail with no gaps being
necessary.
The coupler is connected to PROFIBUS DP networks via an integrated 9-pin D-sub
connector.
DP/DP
coupler
Master
OP 25
Master
S7-400
Slave
ET 200M
Master
PG/PC/OP
2
2
Slave
ET 200M
Master
S7 300
2
2
2
2
Figure 4-16 Example of a configuration with the DP/DP coupler
① Terminator activated
2 PROFIBUS bus cable










