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Autor Wątek: Cannot communicate with 750-842  (Przeczytany 3448 razy)


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Cannot communicate with 750-842
« dnia: Styczeń 11, 2017, 09:41:14 pm »


I am trying to use the app with a Wago 750-842 but it seems I do not have communication with the PLC. Is there a way to check if the app is connected to the PLC? The only thing I see is that there is something send regulary via WiFi, but I do not see anything is received.

When I do a ping to the IP address of the Wago, I get my response, so I am in the same network, and the PLC is accessible.

pls help!


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Odp: Cannot communicate with 750-842
« Odpowiedź #1 dnia: Styczeń 12, 2017, 03:08:55 pm »


I propose to start from testing if reading values work - add an element, change the type to Read Value, enter an address you know the value of (QX0.0 or IW0) and see if you receive any data.

On the plc side do some testing with the web authorization settings if it makes any difference to you - the app has no 'user/password' functionality.

Good luck!