Siemens SIMATIC ET 200SP Manual page 21

Replacement of an IM 155-6 PN HF
If a spare part is replaced, any IO devices in operation must be reset to their as-delivered
state via "Reset to factory settings" (see the system manual ET 200SP distributed I/O
system (http://support.automation.siemens.com/WW/view/en/58649293)).
Media redundancy (MRP)
Function for safeguarding communication and plant availability. A ring topology ensures that
an alternative communication path is made available if a transmission route fails.
You can find more information on this topic in the STEP 7 online help and
● As of STEP 7 V12, in the PROFINET with STEP 7 V13
(http://support.automation.siemens.com/WW/view/en/49948856) function manual.
● As of STEP 7 V5.5, in the system manual PROFINET System Description
(http://support.automation.siemens.com/WW/view/en/19292127).
Media redundancy with planned duplication (MRPD)
If media redundancy is to be reached with short update times (together with IRT), you must
use the MRP extension "Media redundancy with planned duplication (MRPD)".
The MRPD media redundancy function is enabled for the interface module IM 155-6 PN HF
(V2.1):
● With the GSD file as of V5.5 SP3
You can find more information on this topic in the STEP 7 online help and
● As of STEP 7 V12, in the PROFINET with STEP 7 V13
(http://support.automation.siemens.com/WW/view/en/49948856) function manual.
● As of STEP 7 V5.5, in the system manual PROFINET System Description
(http://support.automation.siemens.com/WW/view/en/19292127).
IM 155-6 PN HF interface module (6ES7155-6AU00-0CN0)
Manual, 03/2015, A5E03915895-AF
Product overview
2.2 Functions
21