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S200PLC
- 附带VB和Delphi的例子 西门子ppi协议,支持V区操作,实际应用中足够了, 支持V区的位、字节,字和双字操作, 默认一次可以读取100个字节。 控件默认参数为串口1,PLC地址2,Even效验,波特率9600 有问题发邮件lkl_xz@163.com 使用控件时,一般只需更改2个属性: 1、PLC地址 plcAddress 2、串口号 port- plcAddress port
TVicComm
- TVicCommSpy is a developer s toolkit that allows you to monitor, in real time, what another Win32 application sends to or receives a serial (COM) port. Includes TVicCommSpy C++ class, the Borland Delphi/C++Builder VCL component, and TVicCommSpy Activ
cdd4
- delphi allow to use com port in your code