hello all ！

      I have a big problem, is there anybody could help me?

   I have  a S5-115 as master   and a CP5430 as communication,10-12 S5-95Us as slaves。 Now I want to use  S7-300 instead one of the S5-95Us，the S5 to S7programs is done，but now I don't konw how the new S7 communicat with the old S5-115 and the other S5-95Us。

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Split from COM 5431.