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Configuring
5.1 Configuring the IO-Link
5.1.5.1
Replacing an IO-Link device according to the IO-Link communication specification
V1.0
Procedure
Parameter data and configuration data specially optimized by the user for a specific application
are stored in an IO‑Link‑Device. This data deviates in many cases from the default values stored
in the IO‑Link‑Device.
In the event of replacement of an IO-Link‑Device (referred to below as a "module"), the
optimized data must be transferred to the new module because the parameters are stored only
in the IO-Link device itself.
Data can be transferred via two channels:
• Module replacement with PG/PC
• Module replacement without PG/PC
Procedure with PG/PC
In the event of a replacement, a PG/PC is available with the SIMATIC project of the plant.
With the data stored in the SIMATIC project, and the S7-PCT port configuration tool, you transfer
the parameters belonging to the replaced IO‑Link‑Device to the new IO‑Link‑Device.
Procedure without PG/PC
Requirements
• Implement the LIOLink_Device function block in the S7 program.
You can download the LIOLink_Device function block and the description from the Internet
(https://support.industry.siemens.com/cs/ww/en/view/82981502).
On completion of commissioning, a PG/PC with the project is no longer available. For backing up
and restoring the parameter data and configuration data from or to a module, the
LIOLink_Device function block is available for the SIMATIC S7 controllers.
With this function block, you back up all relevant data records of a module after commissioning,
in a data block (DB), for example. In the event of a replacement, you write the relevant data from
the data block to the replaced module with the LIOLink_Device function block.
Refer to the Appendix "Data sets (Page 119)" for data records to be backed up in the case of a
module.
46
SIRIUS 3RB24 electronic overload relay for IO-Link
Equipment Manual, 07/2022, NEB969165602000/RS-AA/003
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