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883657RS422RS485
- RS422/485的通信协议说明。工业通信领域的同志们可以-RS422/485 communication protocol note. Industrial Communication fields comrades can s
485
- 全面介绍485总线的特性,并结合CAN总线协议举例说明
chk485
- 485多机通讯软件,可支持255个分机,采用多机通讯方式编程,CRC校验.-more than 485 aircraft communications software, can support 255 extensions, multi-machine communication programming, CRC.
CAN485
- 压缩包内是基于c++编程的485通讯的程序，包括电路原理图和源程序代码-Compressed packet is based on the c++ programming of the 485 procedures, including circuit schematics and source code
xjbfhj
- 本源码是一个信捷PLC与电脑主机通过COM或485中通讯的程序，界面简单，只做了一个试验，有些功能还没有完善。能读写PLC内部寄存器。-This source is a Nobukatsu PLC and the host computer through the COM or 485 communications program, the interface is simple, only a test, some features not yet perfect. Can read and
485Test
- 485通讯收发测试程序，可在两台机进行测试-485 communication transceiver test procedure can be tested on two machines
485tets
- 易语言编写的485串口测试软件软件，可进行固定分辨率测试或者全部波特率测试。自动显示测试结果。不使用易语言COM组件。-Easy language of 485 testing software software testing can be fixed resolution or all of the baud rate test. Automatically displays the test results. COM components do not use easy language.
MY485
- 利用MFC编写的一个利用485通信的程序，在此程序中可对要发送的数据分别设定。-Using a MFC write the program to use 485 in this program can send the data to be set separately.
PLC_BORD
- 网络传输控制信号，网络芯片是W5100,传输信号可为控制信号与开关信号，modbus通信协议。-PLC TO W5100,the led and i/o can traver bay w5100,use msp430f5438 as cpu,modbus an 485 to the sevlers,pc use to controle.
485-dicengtongxun
- 电表485底层通讯程序，可以监测到485口的输出状态，对于软硬件工程师都很有帮助-The meter 485 underlying communication program, you can monitor the state of the output of 485, for hardware and software engineers are very helpful
a7f0ddc30f36
- 对写命令接收电能表数据作合理性判断和保存 procedure WriteAnswer ... if i <> 08ah .and. i<> 0aah .and. i <> 084h .and. i<>0a4h return endif ... EscZxh/EastSoft-This program can tp600/tp650 common.* ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
RS232_class
- 写了一个C#类，可以直接调用。功能是实现RS232/485的通讯，有CRC16校验。里面的例程是CCD的数据采集。-I wrote a C# class that can be called directly. Function is to achieve RS232/485 communication, there CRC16 check. Inside the routine is CCD data collection.
pcbianpinqi
- 目前，在我国现场控制总线中，RS-485 使用最为普遍。RS－485 总线的共模输出电压在 -7V 至+12V 之间，具有抑制共模干扰的能力，数据传输速率最大为10Mbit/s，当波特率为1200bps 时最大的传输距离理论上可达15 千米。RS－485 网络所具有的设备简单、容易实现、传输距离远、维护方便等优点而被许多变频器厂家所采用。源码基于RS-485 变频器与PC 机串行通信的硬件特性，通信协议及软件实现，实验表明该通信软件稳定可靠，能直观的观看变频器的实际运行状态，并能比较方便的进
COM-port-485-communication
- COM口485通信,与广州致远电子全新系列的基于 RS-485 总线接口的数据采集模块能 通信，同时将模块上的数据能显示在屏幕上-COM port 485, and Guangzhou Zhiyuan electronics based on new series The data acquisition module of the RS-485 bus interface can communicate, and the data on the module can be displa
TestCom232_485
- 最简单串口编程，可以控制232,485，发送的数据是十六进制的。-A simple program for test RS232/485 in windows, the data send can be hex.