Maintenance and service
12.1 Firmware update
SIMATIC PN/CAN LINK
Operating Instructions, 03/2022, A5E39895388-AC
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Figure 12-2 Replace device
In this window you can exchange the PN/CAN LINK with firmware version V1.0 for the
PN/CAN LINK with firmware version V2.0 For a firmware downgrade from V2.0 to V1.0, for
example, you must create a completely new PN/CAN LINK in the project.
– Compile the project. Do not load it to the S7 CPU yet.