Communication
11.2 PROFINET
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
959
Configuring media redundancy
All of the components in your application must support Media Redundancy Protocol (MRP).
To configure media redundancy, proceed as follows:
1. Establish a ring by means of appropriate port interconnections (for example, in the
topology view).
2. Select a PROFINET device for which you want to configure media redundancy.
3. In the Inspector window, navigate to "PROFINET" interface [X1]">"Advanced
options">"Media redundancy".
4. Under "Media redundancy role", assign the "Manager (Auto)", "Client", or "Not device in
the ring" role to the device.
When you configure a ring in the TIA Portal Topology view, the TIA Portal automatically
sets the Media Redundancy role for you. If a device can be a Manager, the TIA Portal
sets the Media redundancy role as "Manager (Auto)". For the S7-1200, the Media
Redundancy role is automatically set to "Client".
Note
You cannot assign the "Manager (Auto)" media redundancy role to the S7
-1200 CPU.
5. Repeat steps 2 to 4 for all PROFINET devices in the ring.
Or:
1. Highlight the PROFINET IO system in the network view.
2. Click on the PROFINET IO system.
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