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Hello Benj Happy boy found a strange problem to do with the 2560 mega board if you are using a ethernet shield (wiznet 810MJ) it is wired for slave select from port B4 which I had configured to use from the component properties in Flowcode but you also have to write Port B0 to be an output in the co...

Hello Benj
Still no joy tried everything i could think of including using the EB 023 v2 e block it connects like the wiznet to simply modbus, but wont pass any requests from the client software, think i need a beer and think.

Hello Benj Thankx for quick reply. Im using a Ethermega from freetronics which is a Arduino 2560mega with a built in ether shield wiznet w5100. Running the attached flowcode file setup as Modbus tcp slave and then on separate computer running a program called simply Modbus tcp client. The client is ...

Hello

I am trying to get Modbus tcp working and was wondering if anyone has a working example I can see, I think my problem is around the setup of the tcp stack I can connect to the micro but it is not responding when I send a request from another working Modbus master.

Regards