Siemens SIMATIC S7-1200 - Page 960

Communication
11.2 PROFINET
S7-1200 Programmable controller
960 System Manual, V4.2, 09/2016, A5E02486680-AK
3. Navigate to the device of the required MRP domain in the inspector window.
4. For the PROFINET devices, set the "Manager (Auto)", "Client", or "Not device in the ring"
role.
Note
You cannot assign the "Manager (Auto)" MRP role to the
S7-1200 CPU.
"Media redundancy" setting option: MRP role
Depending on the device used, the roles "Manager", "Manager (Auto)", "Client", and "Not
device in the ring" are available.
Rules:
● A ring can have only one device with the role of "Manager". No additional devices with the
role of "Manager" or "Manager (Auto)" are permissible. All other devices in the ring can
only have the role of "Client". Devices not in the ring can have the role "Not device in the
ring".
● If a ring has no device with the "Manager" role, the ring must at least have one device
with the role "Manager (Auto)". A ring can have any number of devices with the roles
"Client" and "Manager (Auto)".
Note
You cannot assign the "Manager" or "Manager (Auto)" MRP roles to the S7
-1200 CPU.