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IEC 61131 address headaches

IEC 61131 address headaches

IEC 61131 address headaches

(OP)
Hi guys, me again!
I want to connect an ABB PLC (PM564) to a Pro-face HMI, using Modbus TCP. The problem is that the ABB address format is %MX0.14.7, for example, and the Pro-Face format is %MW00014:X07. Pro-FAce allows only %M, %MW< and %MD. Even the ABB word format is %MW0.14. Does anyone know how to convert the addrs?

Thanks.

RE: IEC 61131 address headaches

Modbus TCP/IP is based strictly on register numbers, and types of registers in a similar fashion that the serial Modbus protocol does. In any case it looks like the address formats you are using actually specify a bit inside a word. Which is a whole different ball of wax.

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