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RS-485
- 实验3 RS-485双机通信 实验3 RS-485双机通信-experimental three RS-485-machine communication experiment three RS-485 - Communication experiment three RS-485-machine comm unication
RS RS-232 至RS RS-485 RS RS-422 智能转换器
- RS RS-232 至RS RS-485 RS RS-422 智能转换器-RS RS-232 to RS RS-485 RS RS-422 Intelligent Converters
RS-232、RS-422与RS-485标准及应用1
- 全面分析了RS-232、RS-422、RS-485之间的区别-comprehensive analysis of the RS-232, RS-422, RS-485 the distinction between
异步通信软件模拟,基于RS-232的串口通信,RS-485的多机通信,I2C总线协议的软件实现,SPI总线在单片机系统中的实现
- 2.1异步通信软件模拟2.2基于RS-232的串口通信2.3基于RS-485的多机通信2.4 I2C总线协议的软件实现2.5 SPI总线在单片机系统中的实现
单片机RS-485多机通讯的实现.rar
- 单片机RS-485多机通讯的实现(word版),SCM RS-485 multi-machine communication in (word version)
RS-485采用平衡发送和差分接收
- RS-485采用平衡发送和差分接收,因此具有抑制共模干扰的能力-RS-485 uses balanced differential transmit and receive, so has the ability to suppress common mode interference
超长距光隔离RS—485中继器说明书
- H-485EE 超长距光隔离RS—485中继器说明书 一、 概述: 本设备用于延长RS—485通讯距离。通常RS—485的通讯距离在1000米左右,如需要更长的通讯距离,可将本设备串入。每台本设备可使通讯距离延长5000米。 本设备两台之间加有光隔离电路,无地线连结。在长距离使用时,地线压差大大减小,共模电压减小,使得RS—485更加通畅、可靠。此外,一端的通讯电路损坏,对另一端通讯电路无影响,保护系统安全。
用RS-485构成总线型多点数据采集系统
- 这是一篇关于RS-485接口应用的文章- This is about the RS- 485 connections applications article
rs-232485422
- 本文详细地介绍了如何从RS-232信号线上高效率地产生电源如何实现RS-232 接口与RS-485/RS-422接口的智能转换同时也给出了具体的硬件设计及软件设计方法-This article describes in detail how the signal from the RS-232 line of high efficiency power generation how to achieve the RS-232 interface with RS-485/RS-422 Inte
RS-485mutil-communication
- 基于RS-485的多机通信,能在单片机上轻松实现,加快开发-Based on RS-485 Multi-machine communication, can easily achieve single-chip, to speed up the development
Modbus
- modbus通信协议的相关资料文档 中文版 支持RS-232 RS-485 RS-422等 -Modbus communication protocol document relevant information in support of the Chinese version of RS-232 RS-485 RS-422, etc.
RS-485designguide
- 作为上世纪80年代早期批准的一个平衡传输标准,RS-485似乎已成为工业界永不过时的接口标准。关于它的文献有很多,但对于很少接触接口设计的系统工程师而言,如此海量的文献就有些让人吃不消了。 本文旨在讨论RS-485标准的主要内容,为初接触它的设计师提供入门指南。研究文末参考的一些附加应用笔记可进一步帮助设计师在最短的时间内完成一套可靠的数传设计。 -As the last century, the early 80 s approval of a balanced transmissio
RS-232.RS-422.RS-485
- RS-232、RS-422与RS-485串口标准简介 test-RS-232、RS-422 add RS-485 test
WS2051
- 通过89C2051单片机扩展8051单片机的通信接口,本例程就是利用89C2051单片机为8051单片机扩展了一个RS-485通信接口-89C2051 Singlechip through the expansion of the communication interface 8051, the routine is to use 89C2051 microcontroller 8051 to expand a RS-485 communication interface
RS-485
- 本源码程序采用用51单片机AT89C55分控采用软件模拟的方式输出SPI信号! 控制16段LED护栏管的单色跳变,跑动追逐等模式! 为了达到 各控制器的变化同步!采用RS-485通讯的方式!由主控发送命令!使各分控制器 变化模式达到同步效果!主控制器同样采用AT89C55单片机设计!通讯方式采用RS-485-Procedures for the use of this source by 51 points AT89C55 single-chip Analog-controlled
RS-485
- RS-485双机通信 RS-485双机通信--experimental three RS-485-machine communication experiment three RS-485- Communication experiment three RS-485-machine comm unication
RS-485_guide
- 详细介绍RS-485/422原理与区别、元件选择、参考电路、通讯规约、程序设计等方面的应用要点,以及在产品实践中总结出的一些经验、窍门-Detail the difference between theory and RS-485/422, component selection, reference circuits, communications statute, procedures for the application of design elements, as well as pr
RS-485
- 基于核是ARM7TDMI-s的LPC2364的RS—485的串口通信源码-Is based on the ARM7TDMI-s nuclear LPC2364 of the RS-485 Serial Communication source
RS-485
- C语言实现单片机RS-485通信,代码简单实用-C language implementation microcontroller RS-485 communication, the code is simple and practical
RS-485-TO-RS232
- RS 485 TO RS232 CONVERTOR