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樓主  發(fā)表于: 2021-12-02 15:12
圖片:
我用一個(gè)3U的PLC用232通訊和觸摸屏連接,再用485通訊連接一個(gè)減速電機的驅動(dòng)器,232通訊沒(méi)問(wèn)題,但是485出問(wèn)題了。
減速電機通訊我用輪詢(xún),分別來(lái)進(jìn)行速度寫(xiě)入和啟停寫(xiě)入,但是電機的響應會(huì )在10-30s以后。用串口工具監控發(fā)送的指令都是正常沒(méi)有延時(shí)的。
我的思路是速度設置好,點(diǎn)擊啟動(dòng)或者停止,PLC就會(huì )一直交替發(fā)送速度和啟動(dòng)的報文
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問(wèn)題已解決,M8122用上升沿信號驅動(dòng)就沒(méi)有延時(shí)了
附一張PLC與觸摸屏232通訊的設置
[ 此帖被無(wú)良!在2021-12-04 10:27重新編輯 ]
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cythyx
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1樓  發(fā)表于: 2021-12-04 08:31
那你最好是更改速度用通訊方式,啟?刂平覫O控制就沒(méi)延時(shí)了。

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