搜索资源列表
CRC_8051
- This a demo illustrating (1) 8-bit CRC check sums, (2) 57600,N,9,1 communications, and (3) RS-422/RS-485 communications. -This a demo illustrating (1) 8-bit CRC check sums, (2) 57600,N,9,1 communications, and (3) RS-422/RS-485 communications.
RS485note
- The purpose of this application note is to describe the main elements of an RS-422 and RS-485 system. This application note attempts to cover enough technical details so that the system designer will have considered all the important aspects in
lfpv3
- 微机保护(LFP系列)与RTU的通讯规约(V3.0) 1. 通讯接口： 1.1 接口标准： RS-232C/RS-422/RS-485 1.2 通讯格式： 异步，一位起始位，八位数据位，一位停止位，无校验位。 1.3 通讯速率： 4800~38.4Kbps。 1.4 通讯方式： 主从方式。
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- RS-232、RS-422与RS-485标准及应用技术
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- RS-232、RS-422与RS-485标准及应用技术2
COmm
- 单片机和PC机的串行通信一般采用RS-232、RS-422或B3-485总线标准接口，也有采用非标准的20nnJL电流环的。为保证通信的可靠，在选择接口时必须注意：(1)通信的速率；(2)通信距离：(3)抗干扰能力；(4)组网方式。本文主要介绍采用RS-232接口与单片机通信的方法
003
- RS-232、RS-422与RS-485协议标准及应用概述
MAX485_1281849
- The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E, and MAX1487E are low-power transceivers for RS-485 and RS-422 communications in harsh environments. Each driver output and receiver input is protected against ±15kV electrostatic discharge (ESD)
RS-422、RS-485 应用笔记
- 485通讯是工业现场用的很广泛的通讯方式，现在仍然在应用-485 communications industry is the scene of extensive means of communication, still in the application
RS-232、RS-422与RS-485标准及应用
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Serial_CommunicationSource
- 比较高级的串口的通讯库，有可以运行的程序，完整的串口的通讯类库和实际的代码。对RS-232, RS-422等串口通讯，是非常好的参考，也非常有实用价值。-Serial port Communication source code for C++ on Windows. Very useful source code and C++ class/library.
sp487
- The SP486 and SP487 are low–power quad differential line drivers meeting RS-485 and RS-422 standards. The SP486 features a common driver enable control the SP487 provides independent driver enable controls for each pair of drivers. Both feature t
2006122022141110281
- 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 RS-232 signal from the line to produce high-efficiency power supply how to interface with RS-232 Interface Converter RS-
485appnote
- It is a beneficial document from Analog Devices explaining why rs 485 and rs 422 protocols are highly used in industry
RS-232RS-422RS-485
- RS-232、RS-422与RS-485标准及应用,详细解答了关于232 485通信的知识-RS-232, RS-422 and RS-485 standard and application, detailed answers to the communication of knowledge about 232,485
what-is--serial-port
- 串口是计算机上一种非常通用设备通信的协议.大多数计算机包含两个基于RS232的串口。串口同时也是仪器仪表设备通用的通信协议；很多GPIB兼容的设备也带有RS-232口。这里简单的介绍 RS-232 RS-422 RS-485.-A serial port is a very general computer equipment communication agreement. Most computer contains two RS232 serial port based on. A ser
51-MODBUS
- Modbus协议最初由Modicon公司开发出来，在1979年末该公司成为施耐德自动化(Schneider Automation)部门的一部分，现在Modbus已经是工业领域全球最流行的协议。此协议支持传统的RS-232、RS-422、RS-485和以太网设备。许多工业设备，包括PLC，DCS，智能仪表等都在使用Modbus协议作为他们之间的通讯标准。有了它，不同厂商生产的控制设备可以连成工业网络，进行集中监控。-Modicon Modbus protocol originally develo
RS-proc-comm
- 串口编程资源：RS系列串行端口资料，串口通讯，串口调试软件-RS-232,RS-422,RS-485 series.
RS-422-communication---LCD-display
- 基于STC12C5A60S2单片机的422通信及TFT液晶屏显示-422 communications STC12C5A60S2 based microcontroller and TFT LCD display
Rs485 Rs422
- RS-422 and RS-485 Application Note