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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。
rs422-485application
- rs-422 485 总线应用简介，英文的，希望对大家有帮助-rs-422 485 Bus Application, English, and I hope all of you will help
Schematic
- RS-232 to RS-485/422 Converter schematic. It can support RS-422 and RS-485 to change only two jumppers. And it used general devices. 75176 can be replaced max485, 65LBC184 etc.
LAN-WAN_Rev1.0
- Transporting DNP V3.00 over Local and Wide Area Network. 1 Overview 1.1 Purpose DNP V3.00 (hereafter referred to simply as DNP) was designed for serial point-to-point communication (e.g. RS-232) with limited support for half duplex serial ne
RS-485_guide
- 485通讯协议，一个很有用的资料,介绍了485通讯的若干细节描述-485 communication introduction
RS485
- 阐述了RS-485总线规范，描述了影响RS-485总线通信速率和通信可靠性的三个因素，同时提出 了相应的解决方法并讨论了总线负载能力和传输距离之间的具体关系。 -Described the RS-485 bus specification, describes the impact of RS-485 bus communication speed and communication reliability of the three factors, while the correspond
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
CANbus_RS-485
- 现场总线CANbus与RS-485之间透明转换的实现-can and 485 convert
485
- 此程序是 RS-485 从机通讯，包含 3 部分：接收帧程序、发送帧程序及执行命令程序。-This program is RS-485 slave communication, consists of three parts: receiving a frame program to send the frame program and execute the command procedure.
RS-232-RS-422-RS-485
- RS-232、RS-422与RS-485标准及应用.doc-RS-232, RS-422 and RS-485 standards and applications. Doc
RS485_MM_EN
- Single-chip RS-485 multi-machine communication to achieve. Doc translated from Chinese to English for the English Readers. Doc Downloaded from here
MAX3082-CN
- MAX3082/MAX3085/MAX3088高速收發器 RS-485/RS-422通信包含驅動器和一個 接收器。 這些設備功能故障安全電路， 保證邏輯高接收器輸出當接收器輸入 開路或短路。-The MAX3082/MAX3085/MAX3088 high-speed transceivers for RS-485/RS-422 communication contain on driver and one receiver. These devices feature
RS-485interface-communication
- 一种基于RS-485接口的通信方法.介绍RS485接口的通信方法，文献详细讲解了使用方法-Based on RS-485 interface communication method introduced RS485 interface communication method the literature explain in detail use
RS485
- RS-485通信技术文档，详细的介绍了485通信的过程。编程所需要的技术手册-RS- 485 communication technology documents, detailed introduces the 485 communication process. Programming required technical manuals
RS---485-application-guide
- RS-485选型及应用指南，周立功的文档，内有应用电路的说明，和程序编写范例-RS- 485 type selection and application guide, Zhou Ligong document, with application of the circuit, and programming paradigm