Siemens SIMATIC PCS 7 Function Manual page 161

Result
The following figure shows the SIMATIC PC station with Route Control application client (RC
application client) configured in HW Config:
Shared client for OS and Route Control
If a Route Control client and OS client are operated together on a SIMATIC PC station,
configure both client applications in HW Config in one SIMATIC PC station.
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02
Advantages of fault-tolerant components
4.7 SIMATIC Route Control stations
161