这是一个西门子 ModBus 协议的通讯调试软件。（原码）

实时控制，可根据需要增加或删除参数变量，随机曲线表示实例。-Real-time control, can be the addition or deletion of variable parameters, said examples of random curves.

在VC++6.0中用MSComm控件编程，可以实现串口接收数据和发送数据，数据分别显示在接收框和发送框中。 -used in VC 6.0 MSComm programming, can achieve serial receiving data and sending data Data were displayed at the receiving box and this box.

西门子200PLC与上位机通信 delphi开发经典源码-PC 200PLC with Siemens Communications to develop the classic source delphi

一个C语言的串口通信程序-C language of a serial communication program

实现字符转换！需要在两台机子上运行，也可以把一台机子的两个com口连在一块！这样就行了！还需要一个串口调试程序，网上可以下载到！-achieve characters change! The need to run two machines, one Taiwan can the two com loom even in a mouth! So OK! Need a serial debugging procedures can be downloaded to the Internet!

是关于灵达电源通信规约的串口通信程序，功能是把电源监控器的采集数据上送到规约前置机中。-GOLD comunication rule

串口编程,是关于多串口,多线程,有详情的说明-Serial programming is on the serial number, multithreading, the details of the note

一个VC++编写的串口通信程序，可以通过串口发送和接收数据，并输出日志，也包含串口通讯中参数的设置-a VC prepared by the serial communication program, through the serial port to send and receive data and log exports, also includes serial communication parameters set

使用RS232串口2，通过Copley电机控制卡控制电机运转的VB程序。文件夹中包含有程序开发手册。 Using RS232 2 port, a VB program is developed for Copley motor control card, by which motors can move precisely. A handbook for program develpoment is involved in the rar file.-The use of RS232 serial port 2, through Copley cards to control motor control motor running VB program. Folder contains a program development manual. Using RS232 2 port, a VB program is developed for Copley motor control card, by which motors can move precisely. A handbook for program develpoment is involved in the rar file.

通过设置发送并接收消息：可以设置端口，波特率，奇偶校验等参数-send and receive news : you can set ports, baud rate, parity and other parameters