Siemens SIMATIC PROFINET Function Manual page 139

Requirements for the use of MSI/MSO
Observe the following requirements:
● MSI/MSO can only be used with PROFINET IO
● Configuration software: STEP 7 (TIA Portal) as of V12 SP1 with GSD file; the modules
are integrated in the hardware catalog as of V13.
● The IM 155-5 PN ST interface module and the modules support MSI/MSO as of firmware
version V2.0.0.
Boundary conditions for the use of MSI/MSO
Note the following boundary conditions:
● The use of MSI/MSO is not possible in the case of module grouping.
● Modules with MSI/MSO cannot be operated in isochronous mode.
● The maximum number of IO controllers is dependent on the interface module. To find out
how many IO controllers the interface module supports, refer to the manual for the
respective interface module.
PROFINET with STEP 7 V14
Function Manual, 09/2016, A5E03444486-AG
Functions
5.3 Shared device
139