2090-DAPC-D0903現(xiàn)貨;
2090-DAPC-D0903供應。
相信大家都知道,各種品牌PLC都具有診斷功用,當PLC報錯時,我們應該充分利用軟件中的診斷功來查找問題和原因。比如當發(fā)現(xiàn)PLC上的錯誤指示燈ERROR燈出現(xiàn)閃爍或常亮的情況,就可以打開軟件的診斷菜單,查看是什么錯誤,里面有錯誤發(fā)生的原因,及解決的辦法,這也是非常方便的。
除此之外,一般情況下,當發(fā)生錯誤時,8009、8060~8068其中之一的值被寫入特殊數(shù)據(jù)寄存器D8004中(三菱PLC為例),假定這個寫入D8004中內(nèi)容是8064,則經(jīng)過查看D8064的內(nèi)容便可知道錯誤代碼。與錯誤代碼相對應的錯誤內(nèi)容可以查看PLC手冊的錯誤代碼表,這樣也可以查出出現(xiàn)錯誤的原因。
當然了,一般來說,當PLC出現(xiàn)異常時,我們首先要查看電源電壓是否正常,I/O端子的螺絲和接插件是否松動,以及有無其他異常。然后再根據(jù)PLC上的各種LED的指示燈狀況,以查看PLC本身和外部有無異常,按這樣的方法來進行排查。
9. 失之東隅,收之桑榆。(后漢書馮異傳)
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Fanuc AC Servo Motor a6/3000 A06B-0128-B577#7208 _ A06B0128B577 _ A860-0365-V501NEW SPRECHER+SCHUH 220V COIL 22.104.340-25 CA1-55,60,100 COMBINED SHIPPING
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