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prog
- rs 485 communicatio reception
DMXREP
- rs 485 receptor dmx software
RS485
- RS-485串行数据通信协议及其应用，本文主要介绍RS-485协议及该协议所适合的该用-RS-485 serial data communication protocol and its application, this article introduces the RS-485 protocol and the protocol used by the appropriate
pic_printer
- 8-bit Digital I/O Module with RS-485 Interface. This chip uses a slightly larger PIC (16C63A) so it has more RAM for a bigger packet buffer. This chip has a 128 byte buffer so long text strings can be sent to it for printing on a printer or any ot
RS485
- 有关于RS-485通信的资料和系统设计的实现方法，是很好的参考资料-RS-485 communications on the data and system design implementation method is a good reference
scrtester
- datasheet maxim is a datasheet for rs 485 connections and it describe the use of a maxim ics family
Remote-temperature-display
- 用单片机实现温度远程显示：用AT89S8252单片机的串行接口与智能温度巡回检测仪（XJ-08S）通过RS—485总线相互通讯实现热水温度远程显示的一种低成本解决方案，内容涉及RS—485总线通讯、单片机驱动数码管显示、数据转换以及键盘处理软硬件设计等内容。-Remote temperature display using MCU: AT89S8252 microcontroller using a serial interface circuit with intelligent temper
PROC
- 51单片机实现RS-485总线现场监测系统,很有用的东西，自己做的-based on the single chip to relise the Field monitoring system
ADM2483
- RS-485 transceiver with electrical data isolation Complies with ANSI TIA/EIA RS-485-A and ISO 8482: 1987(E) 500 kbps data rate Slew rate-limited driver outputs Low power operation: 2.5 mA max Suitable for 5 V or 3 V operations (VDD1)
MAX485_1281849
- MAX485资料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 electro- static disch
ADM2483
- ADM2483 是带隔离的增强型RS-485 收发器。它包括一个三通道隔离器、一个带三态 输出的差分驱动器和一个带三态输入的差分接收器。其1/8 单位负载的接收器输入阻抗可允 许多达256 个收发器接入总线。最高传输速率可达500Kbps。逻辑端兼容3V/5V 工作电源， 总线端5V 供电。-ADM2483 is enhanced with isolated RS-485 transceiver. It includes a 3-channel isolator, a three-s
RS-485
- 51单片机与上位机通信例子，很经典的，适合初学者！-51 examples of SCM and PC communications, very classic, suitable for beginners!
test
- A universal asynchronous receiver/transmitter, abbreviated UART ( /ˈ juː ɑrt/), is a type of "asynchronous receiver/transmitter", a piece of computer hardware that translates data between parallel and serial forms. UARTs are commonly used in
systemUnit01
- 本程序完成了分布式异构系统多级测控网络功能，按照“多层功能，多种网络，统一结构”的整体设计思想开发的。管理层设一台服务器完成WEB服务器和数据库服务器任务，其直接利用WEB动态网页下发生产任务单并完成远程的实时监测。调度层设一台工控机，调度人员将管理层下发的任务单通过RS-485总线网络直接分配到现场每台机床，实现任务单的集中分配管理与设备状态的集中监控，并将设备层生产数据及设备运行参数反馈到管理层。设备层有一台PC机，一方面通过串口传送PLC机床工序代码给CNC数控机床，另一方面接受数控机床反
RS485
- RS485协议，在工业控制等环境中，常会有电气噪声干扰传输线路，使用RS-232 通讯时经常 因外界的电气干扰而导致信号传输错误；另外，RS-232 通讯的最大传输距离在不增加缓冲 器的情况下只可以达到15 米。为了解决上述问题，RS-485/422 通讯方式就应运而生了。-RS485 protocol, in the industrial control environment, often have a transmission line of electrical noise in
Labview-serial-port
- 介绍和编程： 1，什么是串口？ 2，什么是RS-232？ 3，什么是RS-422？ 4，什么是RS-485？ 5，什么是握手？ -1. Overview of Serial Bus 2. Connecting and Setting up a Serial Instrument Control System 3. How to Create a VISA Resource for the Instrument in MAX 4. Instrument C
RS485-RS422design
- RS-485标准最初由电子工业协会（EIA）于1983年制订并发布，后由TIA-通讯工业协会修订后命名为TIA/EIA-485-A，-The RS-485 standard initially by the Electronic Industries Association ( EIA ) enacted in 1983and released, followed by TIA- Communications Industry Association after revision named
Modbusform
- 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。-Modbus agreement at first by Modicon comp
RS485
- 此程序用UART1外扩MAX485实现RS-485通信，运行前将TX1和P00 短接，RX1和P01短接，当接收到一个数据后，再将接收到的数据送出。-Expand this program in use UART1 MAX485 RS-485 communication, running before the TX1 and P00 short, short RX1 and P01, then the received data when the receiver to a data send.
001162
- This portable network service monitor was developed to help network administrators supervise datacenters. The handy monitor—which The well-designed DMX Portal is an affordable DMX lighting controller. You can use the novel system to remotely control