Maintenance and service
12.1 Firmware update
SIMATIC PN/CAN LINK
150 Operating Instructions, 03/2022, A5E39895388-AC
Procedure
To avoid unnecessary restarts during the update process, follow these steps:
1. Set the S7 CPU to "STOP".
2. Update the PN/CAN LINK in your project as follows:
– Open the "Devices & Networks" view in your project.
– Open the PN/CAN LINK you want to update with a double-click.
– In the "Properties" view of the "General" tab, select the "Catalog information" option.
Figure 12-1 Catalog information
– Click "Change firmware version". A window for the device replacement opens.
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