3.2 Configuring a “Shared Device”
The following describes how a decentralized peripheral device is configured as
“Shared Device” with STEP 7 from version V13 SP1 or higher.
The description is limited to two IO controllers from the S7-1500 family sharing a
“Shared Device”
Two projects are created (Shared-Device-1 and Shared-Device-2), each with one
IO controller (“PLC_1” and “PLC_2”). You need to create the “Shared Device” in
both projects, although physically speaking, it is one and the same IO device.
Make sure that the IO device is configured the same in all projects. If you make
changes: Make the changes in every project in the “Shared Device”.
3.2.1 Configuration of project 1
Preparation
Open the TIA Portal configuration software and create a new project.
Implementing the devices
Via the project navigation, insert a S7-1500 CPU (here CPU 1516-3 PN/DP). It gets
the name “PLC_1”.
In the “Devices & networks” overview, add a PROFINET interface module here IM
155-6 PN ST) and equip the interface module with the desired modules (here 2 DI
modules and 2 DO modules) and a server module.
Networking the devices
To set up an automation system, the individual hardware components must be
configured, parameterized and connected to each other. Use the device and
network view to do this.
Proceed as follows:
1. Select CPU 1516-3 PN/DP in the project tree and open its folder.
2. Open the device view of the CPU by double clicking “Device configuration”.
3. In the graphical view, select the CPU interface to be networked. The properties
of the selected interface are displayed in the inspector window.
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