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要求在昆侖組態觸摸屏上能夠顯示數顯表的值，求三菱plc與數顯表之間怎么通訊的？？？
                                      昆侖組態觸摸屏
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                                            三菱PLC
    
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                       顯表       顯表      顯表    
顯表之間串聯，最后連到plc上