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ppivb
- 西门子s7-200通讯协议VB代码，还可直接使用-Siemens s7-200 communication protocol VB code, but also the use of direct
ppivb
- 西门子s7-200通讯协议VB代码，还可直接使用-Siemens s7-200 communication protocol VB code, but also the use of direct
S7-200PPIVB
- S7-200 PPI协议VB原程序,不需要通过OPC-S7-200 PPI agreement VB original procedure does not require the adoption of OPC
ppivb
- 这个是西门子PLC的PPI协议，使用VB进行通讯的源代码。-This is the Siemens PLC, PPI protocol to communicate using the VB source code.
ppiVB
- Visual Basic 写的与PLC通信的程序-Visual Basic to write programs to communicate with the PLC