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S7_PPIV1
- S7_PPIV1.ocx 是西门子S7 200/300 与VB通讯的控制,很难找的
prodave_vb
- 利用第三方软件(如VB)开发S7-300PLC与上位机进行MPI通讯的源码实例!非常珍贵!-The use of third-party software (such as VB) development of S7-300PLC to MPI communication with the host computer source code examples! Very precious!