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7.29 S71200之间的TCP通信3-同一项目下（指针、既发又收）
TCP通信系列第3个视频：指针、既发又收，同一项目下
西门子S7-1200PLC67/78
App03:37
App06:30
App08:54
App13:06
App13:29
App01:03
App15:48
App06:40
App04:31
App01:28
App01:50
App02:14
App01:02TCP通信系列第3个视频：指针、既发又收，同一项目下
App03:37App06:30App08:54App13:06App13:29App01:03App15:48App06:40App04:31App01:28App01:50App02:14App01:02
