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caizuge
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樓主  發(fā)表于: 2012-07-02 09:58
我是個(gè)PLC新手,新用的EM235,輸出沒(méi)問(wèn)題。信號采集就出問(wèn)題了,我是采集電壓,將A+   A-連到了電壓上,其他三個(gè)采集口,B+  B_;   C+,  C_;    D+,   D-,D-   都是短接起來(lái)呢,模塊供電使用226主模塊的DC24V,  DIP開(kāi)關(guān)調到了正負10V輸入,現在問(wèn)題來(lái)了,不管我輸入多少的電壓,PLC采集的數都在-20000左右跳動(dòng),然后我把DIP開(kāi)關(guān)調到0-5V輸入的時(shí)候,采集的數變成0且一直不變。       我現在很困惑,到底是模塊出問(wèn)題了,還是我自己的問(wèn)題呢,請前輩們指教一下,謝謝了。
restone
杭州一工科技有限公司
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1樓  發(fā)表于: 2012-07-02 11:24
電源是否共地?
樓主留言:
你說(shuō)的電源共地是指將A-與模塊的M端連在一起嗎?
西門(mén)子PLC、ABB變頻器、康沃變頻器特價(jià)銷(xiāo)售;非標自動(dòng)化改造,工業(yè)機器人改造
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