搜索资源列表
NModbus_1[1].1.0.1
- modbus 通讯程序 物理层rs-485
rs232
- 关于RS-232 RS-485串口通信的详细资料
communicationofdelta
- VFD-A 內部的參數資料可使用內部 RS-485 串聯通訊介面，設定及修改並可控制交流電機驅動 器運\轉及監測交流電機驅動器的運\轉狀態，可提高自動化的能力。
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)
AccessPort120
- RS-485标准定义了一个极为坚固和可靠的通信链路，具有高噪声抑制、宽共模范围、长传输距离、冲突保护等特性。 但一个真正牢靠的RS-485网络还有赖于合理的应用。合理的网络布局、信号通道的连续性、周全的保护措施等，在设计之初就应该有一个总体规划-RS-485 standard definition of a very robust and reliable communication links with high noise suppression, and wide common-mode
RS-232、RS-422与RS-485标准及应用
- dfsdfd
Transducer.rar
- 台达变频器通讯软件：台达变频器使用RS-485通讯，计算机与其通讯时，只要在计算机端加一个“RS-232转RS-485”就可以了。本软件在工业现场使用多年。,Tatsu Units Inverters communication software: Tatsu Inverter Units using RS-485 communications, computer and its communication, as long as the client on the computer plus
LED显示屏异步控制系统毕业设计
- 以单片机 AT89C51 为控制器的点阵 LED显示屏异步控制系统作为毕业设计。该 系统采用开关电源作标准电源，RS-232/RS-485 通信标准，通过 AT89C51的串行接口接收 PC 机的控制命令及显示数据， 经处理后控制LED显示屏的扫描显示。 该系统采用了大容量Flash 存储器 AT29C020 作为数据存储器。,LED strip display control system for asynchronous
232TO485
- RS485转RS232电路原理图及PCB图-RS232 RS485 switch PCB circuit diagram and map
CDPJ01
- 单片机实现RS-485总线现场监测系统 含C程序工程文件及电路原理图-Single-chip implementation RS-485 bus system with C-site monitoring procedures for engineering documents and circuit schematic diagram
RFID_UHF_VB
- RFID_VB源码_RFID读写 提供了RFID的开发源码，用VB编的，串口通讯支持RS-232(RS232)，RS-485(RS485)，波特率可选,RFID的天线可选，读卡频率可调。提供了控制RFID读卡功率的方法，功率从0至29可调，距离最大10米以上，该源码可用于交通、物流、运输、仓库管理、比条码技术强大。用于毕业论文答辩中，可以演示，程序看懂后，就对RFID整个工作原理较为了解。支持ISO18000和EPC_GEN2等类型的RFID卡。 -RFID_VB source yard
PK2V023200
- ccs c pic projects usb rs232 rs 485 lcd drivers
RS485EN
- RS485的双向通信处，正在为此头疼的同学们可要注意了，这个可以解决你们双向通信过程中的很多问题哦-Two-way RS485 communications, the headache is to this end they' ll pay attention to the students, this two-way communication you can solve many problems in the course of oh
dmx512
- dmx512模块功能接受，发送功能，基于RS-485协议，支持以太网转DMX512，串口转DMX512-dmx512transmiter,receiver function
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
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-
rs485
- Source Code in C language for microcontrollers of 51 family to implement serial communications based on RS-485 protocol.
rs485
- RS-485无线通信电路图 需要的朋友来-RS-485 wireless communications circuitry needed to see a friend
RS485ControlDesign
- 《基于RS-485的尾矿坝渗流监测系统研究与设计》详细介绍该系统的设计与实现！-" RS-485 based on the tailings dam seepage monitoring systems research and design" more details on the system design and implementation!