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艾特you8
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樓主  發(fā)表于: 2020-06-09 19:20
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各位老師好！最近遇到如下問(wèn)題，有以下想法，相和大家確認，感謝！

一臺6071ip觸摸屏帶兩臺3SPLC

tk6071 IP配的通訊線(xiàn)是RS485的，占用的com2端口。剩余COM1端口，所以其中一臺3s要連接RS232擴展板。
然后把通訊線(xiàn)觸摸屏一端剪掉 ，使用沒(méi)有接線(xiàn)的232母頭重新接線(xiàn)，總共九針。1.2.3.4對應本來(lái)使用485的PLC。6.9對應增加232擴展通訊板的plc。擴展板一段也是用母頭對應接線(xiàn)。

這樣操作對不對。
PLC端需不需要對應的設置？
艾特you8
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1樓  發(fā)表于: 2020-06-09 19:34
另外淘寶沒(méi)找打3S的232擴展板，３G或者３Ｕ的能不能兼容？

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