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RS485toRS232
- 通讯协议转换型RS485与RS232转换器的设计-communication protocol conversion type RS485 and RS232 converter design
chuankou_jiexian
- 目前较为常用的串口有9针串口(DB9)和25针串口(DB25),通信距离较近时(<12m),可以用电缆线直接连接标准RS232端口(RS422,RS485较远),若距离较远,需附加调制解调器(MODEM)。最为简单且常用的是三线制接法,即地、接收数据和发送数据三脚相连,本文只涉及到最为基本的接法,且直接用RS232相连,以回答前段网友的咨询。-now more commonly used serial 9-pin serial port (projectors) and 25-pin se
Canbus_001
- 本分布式小区智能网络模型采用符合现场总线(Fieldbus)要求 的CAN技术,以带CAN总线端口的主控机和单元控制器CAN端接口构成的 CAN网络层,下层为由带RS485端口的住户采集器和单元控制器RS485端 接口构成了RS485网络层,向上则利用PC机连接CAN网络层,作为智能 化小区管理中心,从而基本实现智能小区管理、控制、报警、信息采 集和自我检测的功能。 本文从智能小区、现场总线、CAN技术到“CAN+RS485”双底层网 络模型的软、硬件研究,较为详
DB9-DB25-COM
- 目前较为常用的串口有9针串口(DB9)和25针串口(DB25),通信距离较近时(<12m),可以用电缆线直接连接标准RS232端口(RS422,RS485较远),若距离较远,需附加调制解调器(MODEM)。最为简单且常用的是三线制接法,即地、接收数据和发送数据三脚相连,本文只涉及到最为基本的接法,且直接用RS232相连
RS485
- RS232/RS422/RS485通用协议标准和参考资料
RS485.rar
- 用RS485通信,实现门禁系统的控制,本程序主要实现通信代码。用51单片机,MAX485芯片通信,Using RS485 communications, the implementation of Access Control Systems control, implementation of this procedure the main communications code. With 51 single-chip, MAX485 chip communication
ModbusProtocol
- This Modbus RTU Protocl that i have written by Visual Basic to control Inverter N100 (Hyndai-Korea) and Multimeter(GE) via RS485 Network-This is Modbus RTU Protocl that i have written by Visual Basic to control Inverter N100 (Hyndai-Korea) and Multi
RS485
- 基于RS485总线的51单片机主从通信方式的设计与实现 -51 based on the RS485 bus single-chip master-slave communication Design and Implementation
RS485
- 基于RS485实现的PC机与单片机多机通信 单片机-RS485 to achieve the PC-based machine with the single-chip single-chip multi-machine communication
Modbus_over_serial_line_V1_02
- This document describes the MODBUS over Serial Line protocol. MODBUS Serial Line protocol is a Master-Slave protocol. This protocol takes place at level 2 of the OSI model. A master-slave type system has one node (the master node) that issues exp
uartRS485
- UART and RS485 driver for the ATMEL AVR Microprocessor. Also using the MPCM mode.
codemodul485
- code project about rs485 communication with mutil slave use avr 485
rs485
- RS485通讯原理图,发送接收自动翻转,带防雷设计,已在企业大量使用。-RS485 communication schematics, sending and receiving automatic flip with lightning protection design has been used in a large number of enterprises.
RS485-Test
- Chuong trinh Test thu giao tiep RS485 su dung 89C51
1-TCP-vs-RS485
- 这是本人耗费2周时间精心制作的PPT演示动画文档,专门讲述嵌入式以太网一卡通设备和传统RS485设备的对比。绝对原创!-This is the time I spent two weeks carefully crafted animation PPT document devoted to embedded Ethernet card equipment and traditional RS485 devices contrast. Absolute originality!
基于ARM 与WINCE 的RS485 驱动程序设计
- 随着工业设备控制要求的日益复杂,嵌入式的工业控制系统成为必然趋势。由于RS485 具有良好的抗干扰性、传输距离长和多站能力等优点,在工业控制领域中应用最广泛。为了开发基于ARM9 内核和Windows CE 5.0 系统的RS485 驱动程序,首先给出了硬件电路设计,接着阐述了Windows CE 系统的驱动模型以及中断处理方法;然后详细描述了RS485 驱动程序的具体设计过程,包括驱动程序的结构设计、关键函数设计、驱动程序的注册和加载等。实验结果表明,RS485 驱动程序运行稳定可靠。
Communication-with-the-rs485-msp430
- 该程序用于msp430与rs485的通信的测试-Communication with the rs485 msp430
Zelensky-(Fuel-level-sensor)-ver.1.0-(RS485)
- Fuel level sebsor that work with RS485
RS485-modbus
- Rs485串口通信Modbus协议的详细说明-RS485 Modbus protocol
RS485型温度采集器
- RS485型温度采集器测试工具使用说明,RS485型温度采集器测试工具使用说明