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Yu Wang

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28 Mar 2012 Eurotherm Modbus RS232 Control Reads and writes information to Eurotherm controllers via Modbus RTU protocols. Author: Geoffrey Akien

I'm using the RS422. But it seems like the program is not working for RS422.

when I type "tempobjconnect(serialObject)" in the command window.

It shows this:
"Warning: Could not retrieve Eurotherm controller type - read and write commands will be limited to the minimum allowed for series 2000 controllers for this serialObject."

Thank you sir!!

11 Mar 2012 Eurotherm Modbus RS232 Control Reads and writes information to Eurotherm controllers via Modbus RTU protocols. Author: Geoffrey Akien

Your entry is really helpful to me.

Now I want read temperature every 5 seconds, in other words, I wanna monitor how the temperature goes up. I'm thinking using a forever loop and put a "timeout" function in it. Could you give a hint on this?

Thank you very much.

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