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S7-1200 PLC 型號是 6ES7 1215-1BG31-OXB0 做服務器
300PLC  做客戶機  型號是6ES7 312C-5BE03-0AA0  以太網模塊是  343-1EX11-0XE0
1、首先添加硬件CPU（兩臺）、在300PLC上面插入以太網模塊\ 在建立數據塊DB3\DB4\、打開數據塊建立數組、在點擊硬件CPU屬性、在時間存儲器上打勾。 [attachment=129164] [attachment=129165] [attachment=129166] [attachment=129167] [attachment=129168] [attachment=129169]      
2、建立網絡鏈接、添加新網絡、建立通信伙伴及數據 [attachment=129170] [attachment=129171] [attachment=129172]  
3、編寫程序
4、在線監控調試

[attachment=129173]  [attachment=129174] [attachment=129175] [attachment=129176]     [attachment=129177] [attachment=129178] [attachment=129179]  

程序添加 如下： [upload=1]