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觸摸屏接口MPI,DP和PLC通信該怎樣設置

發布日期:2022-10-09 點擊率:299

    西門子PLCS7-300分別和西門子Flexibel觸摸屏通信的時候,假如我選擇觸摸屏的MIP口,硬件上和軟件上要怎樣設置.選擇觸摸屏的DP口,硬件上和軟件上又要怎樣設置呢?

    答:西門子的觸摸屏的MPI和DP接口是同一個(IF1B)。

    硬件連接:

    MPI電纜或ProfibusDP電纜(兩端使用RS485連接器)連接S7-300的MPI或DP口和觸摸屏的MPI/DP口(IF1B),自己做電纜的話,3-3,8-8直連。

    軟件設置:

    1.MPI。在WinCCflexible中的“通訊”--“連接”,選擇S7-300/400作為驅動,通訊協議選擇MPI,通訊速率為187.5K,PLC站2,機架號0,擴展槽2;這里的地址和速率要和S7-300硬件組態的MPI端口的地址和速率一致。

    2.DP。在WinCCflexible中的“通訊”--“連接”,選擇S7-300/400作為驅動,通訊協議選擇DP,通訊速率為1.5M,PLC站2,機架號0,擴展槽2;這里的地址和速率要和S7-300硬件組態的DP端口的地址和速率一致。

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