Reading Mitsubishi FX1N Data Memory using Delphi/Pascal

psim

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Nov 2005
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Sydney
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I am wanting to write some software using Delphi/Pascal to read the data memory in a Mitsubishi FX1N PLC through the PLC programming port.

I believe the protocol used to communicate with the PLC through the programming port is called Melsec CPU direct, but I can't find the command structure anywhere.

Can someone please help me with this.

Thanks in advance

Paul
 

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