【工控老马】西门子PLC Siemens PLC TCP协议详解 |
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【工控老马】西门子PLC Siemens PLC TCP协议详解
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Siemens PLC TCP 协议详解
说明：蓝色文字表示已经破解部分，[红色文字] 表示对破解部分数字的说明，黑色文字表示对破解部分的进一步说明，黑色斜体加粗文字表示未破解部分，高亮文字部分表示驱动需要处理的部分，未标高亮部分驱动处理保持默认即可。 1.初始化连接 1.1 S7-200 [PLC -> PC] 03 00 00 16 11 d0 00 01 53 38 00 c0 01 09 c1 02 4d 57 c2 02 4d 57 1.2 S7-300 //-------------------------------------------------------------------------------- [PC -> PLC] 03 00 00 16 11 e0 00 00 00 00 00 c1 02 01 00 c2 02 01 02 c0 01 09 //-------------------------------------------------------------------------------- [PLC -> PC] 03 00 00 16 11 d0 00 00 44 31 00 c0 01 09 c1 02 01 00 c2 02 01 02 1.3 S7-400 //-------------------------------------------------------------------------------- [PC -> PLC] 03 00 00 16 11 e0 00 00 00 01 00 c1 02 02 00 c2 02 02 23 c0 01 09 //-------------------------------------------------------------------------------- [PLC -> PC] 03 00 00 16 11 d0 00 00 44 31 00 c0 01 0ac1 02 01 00 c2 02 01 02 2 初始化通讯 //-------------------------------------------------------------------------------- [PC -> PLC] 03 00 00 19 02 f0 80 32 01 00 00 cc c1 00 08 00 00 f0 00 00 01 00 01 03 c0
//-------------------------------------------------------------------------------- [PLC -> PC] 03 00 00 1b 02 f0 80 32 03 00 00 cc c1 00 08 00 00 00 00 f0 01 00 01 00 01 00 f0 3.读数据 3.1 典型示例 [M0] //-------------------------------------------------------------------------------- [PC -> PLC] 03 00 00 1f 02 f0 80 32 01 00 00 00 00 00 0e 00 00 04 01 12 0a 10 02 00 01 00 00 83 00 00 00 //-------------------------------------------------------------------------------- [PLC -> PC] 03 00 00 1a 02 f0 80 32 03 00 00 00 00 00 02 00 05 00 00 04 01 ff 04 00 08 ec 3.2 参考示例[VB0 VB254 VB255] //-------------------------------------------------------------------------------- [PC -> PLC]
//-------------------------------------------------------------------------------- [PLC -> PC] 4 写数据 4.1 S7-200 4.1.1 典型示例 [MB0] //-------------------------------------------------------------------------------- [PC -> PLC] 4.1.2 参考示例 [Q0.0] //-------------------------------------------------------------------------------- [PC -> PLC] //-------------------------------------------------------------------------------- [PLC -> PC] 4.2 S7-300 4.2.1 Typical Example [MB0] //-------------------------------------------------------------------------------- [PC -> PLC] //-------------------------------------------------------------------------------- [PLC -> PC] 4.2.2 Typical Example [M0.3] //-------------------------------------------------------------------------------- [PC -> PLC] //-------------------------------------------------------------------------------- [PLC -> PC] 4.2.3 Typical Example [MW0] //-------------------------------------------------------------------------------- [PC -> PLC] //-------------------------------------------------------------------------------- [PLC -> PC] 4.2.4 Typical Example [MW0] 另一种协议帧，区别在变量数据排列格式和变量数目 //-------------------------------------------------------------------------------- [PC -> PLC] //-------------------------------------------------------------------------------- [PLC -> PC] |
//-------------------------------------------------------------------------------- [PLC -> PC] 
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