Siemens SIMATIC PCS 7 Function Manual page 92

Advantages of fault-tolerant components
4.2 SIMATIC H Station
Result
The following figure shows an example of the configured subsystems of the fault-tolerant
station in HW Config:
Additional information
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92
Process Control System PCS 7; PCS 7 - Released Modules
Automation System S7-400H; Fault-tolerant Systems
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02