WLC呼叫:68 05 05 68 85 82 6D 3C 3E EE 16
P+F回答: 68 0B 0B 68 82 85 08 3E 3C 02 05 00 FF 50 46 25 16
WLC呼叫:68 2C 2C 68 85 82 5D 3D 3E B8 0F 0F 0B 50 46 00 00 4A 00 00 10 00 02 00 00 00 00 00 00 00 00 00 00 00 82 00 00 00 00 00 00 7F FF 00 00 10 00 02 C416
P+F回答:E5
WLC呼叫:68 07 07 68 85 82 7D 3E 3E F1 D0 C1 16
P+F回答:E5
WLC呼叫:68 05 05 68 85 82 5D 3C 3E DE 16
P+F回答:68 3E 3E 68 82 85 08 3E 3C 00 0C 00 02 50 46 33 00 4A 01 00 00 20 00 10 00 0000 10 00 00 00 10 01 01 09 09 00 00 00 00 00 FE CD 78 00 00 00 00 00 00 20 0002 00 00 00 50 46 33 38 39 37 36 32 38 38 BD 16
WLC请求数据:68 07 07 68 05 02 7D 00 00 00 00 84 16
P+F回答数据:68 09 09 68 02 05 08 07 F7 8B 75 00 00 0D 16
根据以上握手和交换的数据包,用S7_200的自由口模仿WLC的呼叫,并接收P+F的回答数据包,再从回答数据包里摘出编码器的转角编码数据就大功告成了。