Introduction - If you have any usage issues, please Google them yourself
VB and Delphi examples with Siemens ppi agreement, supporting the V zone operations, practical application is sufficient to support V zone bit, byte, word and double word operations, the default time can be read 100 bytes. Controls the default serial port parameters 1, PLC Address 2, Even-efficacy, the use of control, baud rate 9600, generally only need to change two attributes: 1, PLC Address plcAddress 2, serial port, No.