Siemens SIMATIC PCS 7 Function Manual page 118

Advantages of fault-tolerant components
4.4 Distributed I/O
3. Place the "HART field device" in the detail view of the redundant module.
4. Select the menu command Station > Save.
5. Double-click the added HART field device in one of the ET 200M stations.
6. Make the necessary settings for the HART field device.
Retrospect implementation of the module redundancy for HART devices
There are no mechanisms set aside to implement a module redundancy for HART devices in
PCS 7.
118
Figure 4-2 HART field device added.
In the example, module 6 on ET 200M station with PROFIBUS address 6.
The settings are saved.
SIMATIC PDM will open.
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02