6GK1704-5CW53-3AA0
6GK1704-5CW53-3AA0
6GK1704-5CW53-3AA0
福建點(diǎn)碩自動(dòng)化設(shè)備有限公司 吳敏
電:182 ,5o76 ,228o ??:96o68o864
問題的原因是現(xiàn)場(chǎng)工程師得到的程序中沒有通信連接信息,所以下載后與通信伙伴PLC的通信中斷,重新建立通信連接后,再次下載,新建立的通信連接工作正常,但是通信伙伴PLC下載后,覆蓋原有的通信連接,所以與通信伙伴PLC相關(guān)聯(lián)的其它PLC通信又中斷了。
問題分析:
角色轉(zhuǎn)化,如果現(xiàn)場(chǎng)工程師換成你應(yīng)該怎么處理這樣的問題?怎樣知道手里的程序是否與運(yùn)行PLC中的程序相同?這個(gè)問題看似簡(jiǎn)單,但是背后還隱藏了很多“小坑”,如果不注意,掉進(jìn)哪一個(gè)坑中,爬出來(lái)都需要時(shí)間。下面我們一起分析這個(gè)問題的原因。正常情況下,有原始程序,增加一些硬件,重新下載后就可以運(yùn)行了,這樣的事情分分鐘就可以完成,如果現(xiàn)場(chǎng)工程師不是原設(shè)計(jì)者,沒有原始程序怎么辦?所以這里最主要也是容易出問題的地方的就是:
技改項(xiàng)目,是使用用戶提供的程序還是自己上載程序?
|
6SN1123-1AA00-0CA2
|
6ES5375-0LC21
|
6ES5788-8MK11
|
6ES5848-6GC21
|
6GK1905-0AB10
|
6GK1147-5AA01
|
6GK1950-1BB00
|
|
6SN1123-1AA00-0DA0
|
6ES5375-8LA11
|
6ES5840-4SH01
|
6ES5835-8MD01
|
6GK1972-1AA05-0AA0
|
6GK1147-5MA00
|
6GK1704-0AA02-3AA0
|
|
6SN1123-1AA00-0DA2
|
6ES5375-8LA12
|
6ES5840-6SG01
|
6ES5835-8MD21
|
6GK1704-5CW53-3AA0
|
6GK1147-6MA01
|
6GK1716-1PB60-3AA0
|
|
6SN1123-1AA00-0EA0
|
6ES5375-8LC11
|
6ES5897-8QF01
|
6ES5835-8MD31
|
6GK1905-0AC00
|
6GK1151-1AA00
|
6GK1950-1BC00
|
|
6SN1123-1AA00-0EA2
|
6ES5375-8LC21
|
6ES5930-8MD11
|
6ES5835-3SD11
|
6GK1972-1AA05-0AA1
|
6GK1151-2AA00
|
6GK1704-0AA03-3AA0
|
|
6SN1123-1AA00-0GA0
|
6ES5380-8MA11
|
6ES5931-8MD11
|
6ES5835-3SD21
|
6GK1704-5CW60-3AA0
|
6GK1151-5AA00
|
6GK1716-1PB61-3AA0
|
|
6SN1123-1AA00-0HA1
|
6ES5385-8MA11
|
6ES5935-8ME11
|
6ES5835-3SD31
|
6GK1905-0AD00
|
6GK1161-2AA00
|
6GK1950-1BD00
|
|
6SN1123-1AA00-0HA2
|
6ES5385-8MB11
|
6ES5950-8MD11
|
6ES5760-0AB11
|
6GK1972-7AA02-0AA0
|
6GK1161-3AA00
|
6GK1704-0AA04-3AA0
|
|
6SN1123-1AA00-0JA1
|
6ES5420-8MA11
|
6ES5980-0MA11
|
6ES5760-0HA11
|
6GK1704-5CW60-3MA0
|
6GK1210-0SA00
|
6GK1716-1PB62-3AA0
|
|
6SN1123-1AA00-0KA0
|
6ES5421-8MA12
|
6ES5980-3BC41
|
6ES5760-1AA11
|
6GK1905-0AE00
|
6GK1210-0SB00
|
6GK1950-1BE00
|
|
6SN1123-1AA00-0LA0
|
6ES5422-8MA11
|
6ES5980-3BC61
|
6ES5752-0AA62
|
6GK1975-0AA00
|
6GK1210-1SA00
|
6GK1704-0AA05-3AA0
|
|
6SN1123-1AA00-0LA1
|
6ES5430-8MB11
|
6ES5981-8MA11
|
6ES5758-1AA11
|
6GK1704-5CW61-3AA0
|
6GK1210-1SB00
|
6GK1716-1TB00-3MA0
|
|
6SN1123-1AA00-0LA3
|
6ES5430-8MC11
|
6ES5981-8MB11
|
6ES5760-0AA11
|
6GK1905-0AF00
|
6GK1241-3SA00
|
6GK1950-1BF00
|
|
6SN1123-1AA01-0FA0
|
6ES5430-8MD11
|
6ES5988-3NB11
|
6ES5752-0AA43
|
6GK1975-0AA01
|
6GK1243-0SA10
|
6GK1704-0AA06-3AA0
|
|
6SN1123-1AA02-0FA0
|
6ES5431-8FA11
|
6ES5988-3NB41
|
6ES5752-0AA52
|
6GK1704-5CW62-3AA0
|
6GK1243-0SA20
|
6GK1716-1TB21-3AA0
|
|
6SN1123-1AA02-0FA1
|
6ES5431-8MA11
|
6ES5998-0CN11
|
6ES5752-0AA53
|
6GK1905-0BA00
|
6GK1243-3SA00
|
6GK1950-1BG00
|
|
6SN1123-1AB00-0AA1
|
6ES5431-8MC11
|
6ES5988-3LB11
|
6ES5752-0AA12
|
6GK1975-0AA02
|
6GK1288-0SA10
|
6GK1704-0AA07-3AA0
|
|
6SN1123-1AB00-0BA0
|
6ES5431-8MD11
|
6ES5988-3LB21
|
6ES5752-0AA22
|
6GK1704-5DW00-3MA0
|
6GK1288-0SA15
|
6GK1716-1TB60-3AA0
|
|
6SN1123-1AB00-0BA2
|
6ES5433-8MA11
|
6ES5988-3NA11
|
6ES5752-0AA23
|
6GK1905-0BB00
|
6GK1288-0SA20
|
6GK1951-0AA00
|