搜索资源列表
vbudp协议程序实例
- 利用vb进行基于UDP协议的网络程序源码,已经过测试。-using UDP-based network programming source code has been tested.
VB UDP端到端程序
- 本程序使用UDP协议完成端到端的通信 使用了winsock控件-procedures for the use of the UDP complete end-to-end communication protocols of the use of the controls
vbtcp
- 用vb开发基于tcp协议的互联程序的示范源码,请用winrar进行解压,将下载后的文件后缀名改为.7z
BluetoothRS232.系统采用VB开发,使用蓝牙SPP协议
- 系统采用VB开发,使用蓝牙SPP协议,通过串口实现通讯.,VB system development, using Bluetooth SPP agreement, to achieve through the serial port communications.
S7-200PPIVB.zip
- 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
S7_200_PLC_driver.rar
- 开发工控程序时使用自由口协议比较麻烦,效率也不高,PPI的协议要么付费要么不公开要么不好用,在网上找了一下也没捷径,算了,自己搞,经过1个礼拜的劳作,用VC搞了此DLL用于西门子S7-200 PLC的通信,读100个数据耗时250ms,非常高效,在vc,delphi,vb,C#.NET平台进行测试,效果不错啊,开发效率提高数倍,特此与爱好者分享,附带源码,Development of procedures for the use of industrial free port agreement
vb-plccommunication
- vb与plc串口通信程序 另加串口监视精灵 CommMonitor 侦测、拦截、逆向分析串口通信协议, 是侦测RS232/422/485串行端口 的专业工具软件,是软硬件工程师的最佳助手。CommMonitor 能侦听、拦截、记录、分析 串行通信协议,让您对应用程序操作串行端口的过程和细节,让您及时的模拟被侦听程序 或设备的数据、控制流,提高工作效率。-vb plc serial communication program plus a serial port monitor
VB-PLC-Commuation
- VB与台达PLC通讯程序源码 可以监控台达PLC的输入输出状态 注释很好的解释了通讯协议的用法-VB and Delta PLC communication program source code can monitor the the Delta PLC input and output status note explained the communication protocol usage
MODBUS_RTU VB-MODBUS通讯协议
- VB-MODBUS通讯协义,MODBUS_RTU通信规约 通信数据类型及格式. -VB-MODBUS communication
VPNconnect
- 拨号连接(PPPoE,VPN)支持多协议-Dial-up connection (PPPoE, VPN) to support multi-protocol
VB
- VB编写的基于645规约的电表行业485通讯抄表程序,可以进行485总线抄表,645规约测试。技术要点就是对规约数据传输协议的处理,如向电表发送数据时的控制码和数据长度、发送的数据部分包括数据标识 + 密码 + 数据、应答帧长度、结束标志等通讯协议的处理值得学习。 -VB prepared the Statute based on the 645 meter 485 meter-reading process industries can be carried out 485 meter, 64
MITSUBISHI-VB
- 三菱FX系列的PLC与电脑的通讯协议,无需PLC的程序支持.-Mitsubishi FX series PLC and computer communication protocols, the procedures do not support PLC.
VB.Programming.Scoket.HTTP.protocol.module.code.ra
- VB 编程Scoket HTTP协议模块设计代码VB Programming Scoket HTTP protocol module design code -VB Programming Scoket HTTP protocol module design code
VB-ModBus
- ModBus通讯协议调试器,VB原程序,可以看到发出和返回的报文-ModBus protocol debugger, VB of the original program, you can see the messages sent and returned
vb
- 实现VB上位机与siemens s7-200PLC的PPI协议通讯-Achieve VB PC' s with siemens s7-200PLC PPI protocol communication
TcpClient VB
- VB.NET 与欧姆龙PLCfins协议通讯(VB.NET and OMRON PLCfins protocol communication)
VB modbus通信主站程序,可用mobbus Slave调试
- vb通过Modbus协议通信主站程序,并通过Modbus Slave调试成功,可以正常使用,提供读和写两种功能。都有源代码(VB through the Modbus protocol to communicate the main station program, and through the Modbus Slave debugging success, can be used normally, to provide reading and writing two functions.
VB网络编程
- 使用VB中的WinSock控件,TCPIP协议设置,实现服务端、客户端(Using the WinSock control in VB, the TCPIP protocol setting, the server, the client)
OPC-VB-Modbus RTU(网络clict)
- 将其它系统OPC转化成Modbus RTU,实现传输协议统一;是初学者的好帮手,每段都有解释。(The other system OPC is transformed into Modbus RTU, which realizes the unification of transport protocols. It is a good assistant for beginners. Every paragraph has explanations.)
VB中调用欧姆龙PLC串口和网络示例
- 欧姆龙的PLC,在VB中调用的串口,网络通信接口 有利用到FINS协议,读写PLC数据(OMRON's PLC, serial port in VB, network communication interface Have access to FINS protocol)