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wangjian5583
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樓主  發(fā)表于: 2011-09-30 10:33
有一塊舊S7-200模塊，用西門(mén)子中文編程軟件時(shí)無(wú)法與此PLC連接，查找不到PLC。
軟件為：STEP 7 - MicroWIN V4.0SP6（200系列）
編程線(xiàn)：USB -PPI（買(mǎi)線(xiàn)時(shí)試用過(guò)國產(chǎn)S7-200PLC)
PLC型號：MADE IN USA
                   1P 6ES7 214-1AD22 0XB0  
                   S  J9R3747105  
                   E-STAND:2.0
                  APPPOVED CPU224
                  DI  14 X DC24VDC
                  DO  10 X DC24VDC,0.75A
請問(wèn)是什么原因？
wangjian5583@126.com
zsb2010
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1樓  發(fā)表于: 2011-09-30 17:06
1，確認你的編程線(xiàn)的驅動(dòng)是否裝好
2，檢查插在電腦上的數據線(xiàn)端口，和編程軟件中使用的通信端口是否一致，
3，檢查一下你插編程電纜的電腦數據端口的數據速率，一般為9600
4，在你的數據線(xiàn)是國產(chǎn)的話(huà)，一般通信速率達不到187.5K，如果之前的CPU是187.5K的速率的話(huà)那么你是找不到CPU的

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