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leamon
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樓主  發(fā)表于: 2019-07-05 09:12
各位師傅好

小弟專(zhuān)案需要三臺永宏P(guān)LC彼此使用 永宏內建CLINK MD3高速通訊做資料傳遞,
站號分別是主站1號, 從站2號和從站3號(使用Port2, Baud rate=153600, E,8,1 完全照出廠(chǎng)值),。

本來(lái)最一開(kāi)始測試時(shí)還通得上,但隨著(zhù)試車(chē)修改一些程式,卻突然發(fā)現通訊異常了。
重點(diǎn)是我完全沒(méi)有動(dòng)到PLC LINK這一塊的程式,查看R4059=0A(僕站無(wú)回應),R4058=3(站號3),
我本來(lái)以為是線(xiàn)的問(wèn)題,但用電表量彼此是有導通的。

後來(lái)將R4058 手動(dòng)設為0,本以為他會(huì )再自己跳回3,但是沒(méi)有,而是一直維持0,且通訊怎麼樣也沒(méi)有恢復正常。

觀(guān)察硬體面板Port2 TX/RX燈 三站都沒(méi)有閃爍,也有重新斷電過(guò),就是行不通...

還請各位前輩可以不吝指導,非常感激!!
[ 此帖被leamon在2019-07-05 16:44重新編輯 ]

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