Three possible causes can lead to the loss of signal (LOS): SLLA272B – February 2008 – Revised May 2008 Submit Documentation Feedback The RS-485 Design Guide 3 Bus Loading www.ti.com 1. Open-circuit, caused by a wire break or by the disconnection of a transceiver from the bus 2....
mance,Schottkybarrierdiodewasused.Spectresoftwarewasusedtosimulateandverifythedesign.The simulationresultsindicatedthatthedesignachievedthegoalsexpected. Keywords:RS-485protocol;transmittingcircuit;Schottkybarrierdiode;constantcurrentsource LiuYanliPostgraduate;Dept.ofElectronicsSci.&Tech.,HuazhongUniv.ofSci.&Tech.,Wu...
chipbasedonCMOS.Designofeachblock asdescribedindetail layoutconsiderationisalsopresen- tedinbrief.Thechipalsohasthefollo ingfeatures : standbycurrentof1nA maximdatatransmis- sionrateofZ50Kbit / s maximloadsnumberofZ4.Thechiphasinternalshortcircuitprotection opencircuitprotection lightningstrikeprotectionandther...
the RS485 protocol. Then, this article will give the hardware design scheme ofremote data acquisition and control system. The hardware design includesmicrocontroller application circuit, power supply voltage regulator circuit, ADsampling circuit and DA circuit, RS485 interface circuit and relay control ...
The RS-485 Design Guide-TI公司485指导文件.pdf,Trademarks Application Report The RS-485 Design Guide Thomas Kugelstadt HPL - Interface ABSTRACT As a short compendium for successful data transmission design, this application report discusses the important
GROUND-FAULT CIRCUIT INTERRUPTERS,围栏,OCTAL 8-PIN SOCKET,LOW COST RELAY,TEMPERATURE INPUT MONITOR,PLUG-ON ADJUSTMENT MODULE,液位控制,SINGLE-PHASE MONITOR,USB TO RS-232 CONVERTER,METERING TRANSFORMERS,FEEDER PROTECTION SYSTEM,电弧探测器,DETECTOR CABLE,TRANSDUCERS,表面安装套件,MICROPROCESSOR-BASED EARTH-...
MCU-based RS-485 Communication Design Chen Yong1,Guo Aiping2,Qin Yue1 (1.Artillery Command College,Information Department,Xuanhua075100,China;2.Staff Communication Training Base,Xuanhua075100,China) Abstract:This paper discusses the rs-five 485 hardware circuit basic structure.Introduces the use of 75...
基于TMS320F2812的RS485通信系统设计 第2期Si m ul at i on research on speed adj ust i ng val ve cont rol l ed synchronous l i f t i ng syst em based on A m esi m W EI H ai t ao 1,2,W EI H ai f eng 3,ZH A N G X i aol i 1,M A Zhi gang 1,W A N G Sheng...
Power circuit, taking into account the various interfaces and microcontroller needed for the work to complete the RS485 interface and the the ZigBee interface protocol conversion module hardware design. Based on the Zigbee Alliance and IEEE 802.15.4 organizations to promote, the the Zigbee technology...
designspecifications,Wedesign a reasonable surge protectioncircuitform.Then,We followed by theoreticalcalculationandcomprehensiveanalysistodeterminetheparametersofthecomponentstoachievetheanticipatedeffect. Keywords:RS485interface surgeprotectivedevices two-stageprotection ...