LOGO siemens conected to an MT8071iE through radio internet

Hi there,

I´m using an LOGO siemens conected to an MT8071iE through ethernet and the system works well, but when I connect both on an radio internet so I can access through easyaccess 2.0 the HMI disconnect to LOGO and show "PLC no response". When I connect on cable internet the system works as it should.

Uso um sitema com clp LOGO siemens conectado através de ethernet em uma IHM MT8071iE e sempre funciona normalmente, porém quando conecto em uma internet via radio para poder acessar via easyaccess 2.0 em alguns momentos o clp e a ihm desconectam. Quando uso o mesmo sistema em internet via cabo não tenho esse problema.

Alguém poderia me ajudar

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Split from PC, PLC LOGO! and HMI Weintek.

Hi, 

I believe both, you HMI and your sowftware (easyaccess) uses a HMI connection to LOGO! (LOGO! TSAP 02.00). But there is only one HMI connection possible. As a result one of it will disconnect.

How to fix:

Change the TSAP in one of your devices from 02.00 to 20.00 or any other not used TSAP (TSAP 20.00 ...27.00). The TSAP 02.00 is reserved for a single HMI device.

Hope this helps 

What kind of radio internet do you have? What frequency is this running on.

Maybe the data volume between Logo! and HMI too high for the radio link.

Ella_68