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6GK1704-5CW53-3AA0
6GK1704-5CW53-3AA0
6GK1704-5CW53-3AA0
福建點碩自動化設備有限公司 吳敏
電：182 ，5o76 ，228o ??：96o68o864
問題的原因是現場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相關聯的其它PLC通信又中斷了。
問題分析：
角色轉化，如果現場工程師換成你應該怎么處理這樣的問題？怎樣知道手里的程序是否與運行PLC中的程序相同？這個問題看似簡單，但是背后還隱藏了很多“小坑”，如果不注意，掉進哪一個坑中，爬出來都需要時間。下面我們一起分析這個問題的原因。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行了，這樣的事情分分鐘就可以完成，如果現場工程師不是原設計者，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 |
