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Critical plant state
The Ethernet switch installed in the PN/CAN LINK is only in operation after run-up of the
PN/CAN LINK. A restart of the PN/CAN LINK interrupts the Ethernet switch function.
Existing Ethernet connections over the switch are interrupted for the duration of the
PN/CAN LINK run-up. This can result in critical plant states.
SIMATIC PN/CAN LINK
Operating Instructions, 03/2022, A5E39895388-AC
CAUTION
Connecting
8.5 Connecting PROFINET
93
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