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hcykm1990
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樓主  發(fā)表于: 2018-01-22 09:11
圖片:
圖片:
如圖所示,在內置485端口設置了通信參數以后,參數應該是寫(xiě)進(jìn)了SD8502
但是我打開(kāi)仿真以后SD8502是0,沒(méi)有任何數據。
請問(wèn)這是什么情況?

還有,FX5U以前的版本這個(gè)通信設置是要自己寫(xiě)進(jìn)對應的特殊數據寄存器。
FX5U應該是在模塊參數中設定好了就不用再寫(xiě),可以直接使用RS2命令了吧?
查看了幫助以后,SD8502確實(shí)是只讀的。


先感謝各位
[ 此帖被hcykm1990在2018-01-22 09:19重新編輯 ]
mr荬籹籽
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1樓  發(fā)表于: 2018-01-23 09:20
聽(tīng)說(shuō)仿真不了的  只能實(shí)物操作 把數據寫(xiě)入PLC就可以了

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