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We had experienced some problems using PLC 5/05 connected to an Ethernet network. In some opportunities, we had network problems (because of a switch or because a wrong configuration of a redundant link) and some PLCs lost communication, and the only way to restore it is rebooting the PLC. We try to reproduce it in a laboratory but we couldn't. Also in some cases the PLC had gone to "Fault" state.
These network problems are not too much frequent, but when it happens it's an important problem in the plant.
Can somebody help me?
Thanks,
Héctor
These network problems are not too much frequent, but when it happens it's an important problem in the plant.
Can somebody help me?
Thanks,
Héctor