Communication
11.2 PROFINET
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
937
Requirement (GSD configuration)
● STEP 7 V12 Service Pack 1 or higher
● S7-1200 CPU with firmware of V4.1 or later as IO controller
● IO device supports the shared device function, e.g. interface module IM 155-5 PN ST
● GSD file for configuring the IO device is installed
● An S7-1200 CPU configured as an I-device supports the Shared Device functionality. You
must export the PROFINET GSD file for the I-device from STEP 7 (as of V5.5) and then
import it into STEP 7 (TIA Portal).
The IO device must be present in several projects so that the modules or submodules of an
IO device can be assigned to different IO controllers. A separate project is required for each
IO controller.
You use the "Shared device" parameter of the interface module to determine the modules or
submodules to which the IO controller has access:
● If the local IO controller has access to the configured module, select the name of the IO
controller from the list.
● If the IO controller from a different project and not the local IO controller is to have access
to the configured module, select the entry "---".
The configuration is consistent regarding access if each module or submodule in exactly one
project is assigned to an IO controller.
Module or submodule is assigned to another IO controller
The paragraph below describes the consequences of the "---" setting of the "Shared device"
parameter from the point of view of the local IO controller.
In this case, the local IO controller does not have access to the module configured in this
way. Specifically, this means:
● No data exchange with the module or submodule
● No reception of alarms or diagnostics, which means no display of the diagnostics status
in the online view
● No parameter assignment of the module or submodule
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