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021041200100
- 用VB实现上位机与PLC之间的串行通信.pdf Windows环境下的Modem串行通信编程.pdf 基于VB的通信中间件的开发与实现.pdf 基于来电显示的销售管理系统的设计于开发.pdf 下周五VB中MScomm控件通信方式的使用.pdf 顶下-using VB and PLC Serial Communication between. Pdf environment of Windows Mo dem serial communication programming.
plc-vb
- PLC直接与现场控制层的检测仪器仪表设备连接，是底层控制网络的组成部分，是工厂自动化系统的基石，因此实现与监控层计算机的通信对系统的优化运行有重要意义。文章基于VB讨论台达DVP PLC与监控计算机的通信问题。
modsim
- 基于modbus tcp协议的服务器模拟程序，模拟PLC设备，可以读取并且设置地址信息， 与ModBusScan配合使用。-Modbus tcp agreement on the server simulation, simulation PLC equipment, can read and set up address information, and used in conjunction with ModBusScan.
Test
- 基于ModBus协议的串口通讯程序，可与PLC接收和发送数据-ModBus protocol based on serial communication program can receive and send data with the PLC
PC_PLC
- 基于欧姆龙hostlink协议开发的，与欧姆龙PLC串口通讯实例-Omron hostlink based on protocol development, and Omron PLC serial communication example
PLC-OFDM
- 实现电力线通信信道建模及其基于OFDM调制系统环境下仿真。-Power line communication channel modeling and simulation of OFDM system
opc
- 基于opc的通信程序。上位PC通过opc服务器与下位plc通信的模拟。-Opc-based communications program. The host PC via an analog opc server to communicate with the lower plc.
MODBUS-VC
- 本程序基于MODBUS RTU协议，通过发送协议指令码实现与各种PLC通讯功能。经测试程序功能正常。-The program is based on MODBUS RTU protocol by sending the scr ipt to achieve agreement with a variety of PLC communication. After testing program functions properly.
opc
- 基于西门子S7-300系列的OPC客户端类，能够实现与PLC通讯-Based on Siemens S7-300 series of OPC client class, can realize communication with PLC
Delta-Communicate
- 基于台达PLC的modbus-asc通讯协议的小程序-The communication protocol of modbus-asc Delta PLC based applet