4. In the hardware catalog, select a signal module that supports redundancy.
Using drag-and-drop, move the signal module onto a free slot in the IM 155-6 HA (lower
window pane).
5. Repeat steps 3 and 4 for the second signal module.
The modules for which redundancy is to be configured are inserted.
6. Select the first IM 155-6 HA again.
7. Double-click the inserted signal module in the module overview.
The "Properties ..." dialog box for this module opens.
8. Open the "Addresses" tab.
9. Select the process image partition in the "Process image" drop-down list.
10.Select in the "Redundancy" tab the entry "2 modules".
You see the 2nd module of the pair, if it is configured.
11.Click "OK" to close the dialog box.
12.In the "Additional parameters" area, make any additional settings required for input modules.
13.Click "OK".
Additional information
● Online help for
STEP 7
● Documentation
Process Control System PCS 7; PCS 7 - Released Modules
● Manual
Automation System S7-400H; High AvailabilitySystems
5.4.5 How to configure the redundancy for HART field devices
HART field devices can be configured with redundant modules. HART field devices can only
be redundant, if they are configured separately, for example, by a 1 of 2 selection.
Advantages of high availability components
5.4 Distributed I/O
High Availability Process Control Systems (V9.0)
142 Function Manual, 05/2017, A5E39221836-AA
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