Communication
11.2 PROFINET
S7-1200 Programmable controller
934 System Manual, V4.2, 09/2016, A5E02486680-AK
Configuration of an I-device within a project
1. Drag-and-drop a PROFINET CPU from the hardware catalog into the network view.
2. Drag-and-drop a PROFINET CPU, which can also be configured as an IO device, from
the hardware catalog into the network view. This device is configured as an I-device (for
example, CPU 1215C).
3. Select the PROFINET interface for the I-device.
4. In the Inspector window in the area navigation choose "Operating mode" and select the
check box "IO device".
5. Now you have the option of choosing the IO controller in the "Assigned IO controller"
drop-down list.
Once you have chosen the IO controller, the networking and the IO system between both
devices are displayed in the network view.
6. With the "Parameter assignment of PN interface by higher-level IO controller" check box,
you specify whether the interface parameters will be assigned by the I-device itself or by
a higher-level IO controller.
If you operate the I-device with a lower-level IO system, then the parameters of the I-
device PROFINET interface (for example, port parameter) cannot be assigned with the
higher-level IO controller.
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