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浮生若夢(mèng)
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樓主  發(fā)表于: 2014-12-20 13:28
西門(mén)子200的 PLC和西門(mén)子177B的觸摸屏。
寫(xiě)好 PLC和觸摸屏的程序,分別下到 PLC和觸摸屏內,再通過(guò)串口線(xiàn),連接 PLC和觸摸屏。
運行 PLC和觸摸屏,但感覺(jué)兩者通訊不上。
觸摸屏上的文本按鈕,分配有系統函數,當其被按下時(shí),應該會(huì )改變 PLC中的變量,但實(shí)際上 PLC沒(méi)任何反應。
寫(xiě)觸摸屏程序時(shí),通訊驅動(dòng)程序選擇200PLC連接,在線(xiàn)開(kāi), 網(wǎng)絡(luò )配置為PPI協(xié)議, PLC地址和波特率都是默認值。
觸摸屏里,傳送設置,開(kāi)始選的以太網(wǎng)協(xié)議,測試不行,后來(lái)改為 PPI協(xié)議,也不行,但我覺(jué)得,觸摸屏上,傳送設置應該不影響和 PLC的串口通訊吧?只會(huì )影響屏和編程電腦的通訊吧?
搞了幾天也不行,來(lái)請教下各位師傅,我該怎么設置呢?另外我怎么查看 PLC和觸摸屏是否通訊成功呢?謝謝。
浮生若夢(mèng)
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發(fā)帖數量: 61 個(gè)
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下載積分: 2395 分
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1樓  發(fā)表于: 2014-12-21 13:38
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