YZAK718

简洁的VB串口调试程序。适合初学者学习和参考(Simple VB serial debugger. Learning and reference for beginners)

说明：  Testing PC to DVP PLC connection

STRING MATHMATICAL PLEASE COMMENT

说明：  自动识别电脑有多少个串口，关自动加载!!!(Automatically identify the number of serial computer, turn off automatic loading )

modbusRTU Communications with RS485

一个简单的VB串口发送程序,初学者参考.(a simple VB Serial this procedure, beginners reference.)

labwindows 串口编程 简单易懂 做虚拟仪器的同学可以看看 或许对你有用(programming straightforward labwindows serial do virtual instrument students can take a look at perhaps useful to you)

vb 串口上位机 很简单的一个版本，大家自己扩展功能吧 (com executed on pc,it s a simple version ,easy for expansion)

串口调试助手VB.zip 我想大家都用过 串口调试助手， 也都期望自己能够制作出同样的通信界面； 那么这里的工具，让你如愿…… 采用VB编程，超级简单实用。(Serial debugging assistant VB.zip I would like that we have used serial debugging assistant, also expect to be able to produce the same communication interface where the tool that allows you to do so ... using VB programming, super simple and practical.)

说明：  Wincc使用MSComm控件串口通讯，VB中发送十六进制数据(Wincc uses MSComm control to communicate through serial port and sends hexadecimal data in VB)