PIPROFINET
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Use hub in PROFINET network?
Does it make sense to use a hub in the PROFINET network?
PIPROFINET
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The use of a hub is prohibited.
Hubs are generally NOT RECOMMENDED for any industrial or standard networks because they are sending an incoming message on any port out of every other port, thus creating too much traffic to maintain the deterministic behavior of the network.
So avoiding hubs overall is the best thing to be done when it comes down to networks.
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