Problem with 1794-ADN - I/O led is off

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sutks
Posts: 1
Joined: Mon Aug 24, 2015 3:05 pm

Problem with 1794-ADN - I/O led is off

Post by sutks » Mon Aug 24, 2015 7:06 pm

Good evening, I got a problem with one of my nodes in DeviceNET, on one of them on the 1794-ADN - I/O led is off, although Power and Net status are steady green. I checked all connections - situation doesn't change. In DeviceNetworx this node shown as "not connected" and the same alarm code on the scanner module in PLC-5. Same power supply provides power to the ADN and to the Input cards (1794-IE8, 1794-IB16) - I got 24 Volts everywhere.

Does anybody met this kind of problem?

P.S. I've changed 1794-ADN few days ago because previous one seems has been faulty (Net and I/O status leds were slightly red).

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