控制系统电子布线技术(CHARM)应用  

Application of Electronic Wiring Technology(CHARM)in Control Systems

作　　者：李学 LI Xue(China Petroleum Jilin Chemical Engineering Co.,Ltd,Jilin 132002,China)

机构地区：[1]中石油吉林化工工程有限公司,吉林132002

出　　处：《自动化与仪器仪表》2023年第S1期48-50,共3页Automation & Instrumentation

摘　　要：电子布线技术是一种利用“电子线路”消除或取代物理布线的技术,即消除现场仪表信号从现场接线箱至中间接线柜再连接至I/O卡件的物理布线,并在电子特性化的端子上实现一次转换以减少相应的线缆连接。电子布线技术优点可消除布线、缩短进度并降低风险、灵活处理后期变更、接收主动报警等。电子布线的工程设计内容涵盖,网络设计、防护及防爆、危险区域设计、供电、接地及防雷等。文章结合工程项目中的实际应用对以上内容进行了详细说明,有助于工程技术人员对此项技术的了解和应用。Electronic marshaling technology is a technology that uses"electronic circuit"to eliminate or replace physical wiring,that is,to eliminate the physical wiring of field instrument signals from field junction box to intermedi⁃ate junction cabinet and then connected to I/O cards,and realize one-time conversion on electronic characteristic terminals to reduce corresponding cable connections.The advantages of electronic marshaling technology include elimi⁃nating marshaling,shortening progress and reducing risk,flexibly handling late changes,receiving active alarm,etc.The engineering design of electronic wiring includes requirements for network design,protection and explosion-proof,hazardous area design,power supply,grounding and lightning protection.Combined with the practical application in the project,this paper describes the above contents in detail,which is helpful for engineers and technicians to under⁃stand and apply this technology.

关 键 词：电子布线技术 特性化模块 CHARM I/O卡 

分 类 号：TP205[自动化与计算机技术—检测技术与自动化装置]