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zhujianzhong
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樓主  發(fā)表于: 2008-10-20 11:23
我用三菱高速計數器C237正常使用一段時(shí)間,后來(lái)輸入復位了C237,以后就不記數了,換了一臺PLC 又可以,我用C253也遇到過(guò)這樣的問(wèn)題,怎么回事,高手指點(diǎn)一下,是不是計數器壞了.或者還有其他原因,謝謝.
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1樓  發(fā)表于: 2008-10-21 09:16
不排除PLC的CPU故障導致某些功能不正常的情況

但更多的時(shí)候是外部接線(xiàn)或者設備的問(wèn)題
特別提醒大家：
偶爾修改下自己的密碼，以防被盜
不要在多個(gè)網(wǎng)站都用一樣賬號密碼
偶爾還是要發(fā)發(fā)貼，回回貼，不要總潛水

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