描述
2001年安徽海螺集团上了2500 t/d 生产线两条,5000 t/d 生产线四条,全部采用ABB AC800F控制系统,3年来运行良好,在此良好合作的基础上2004年又大规模地上了11条5000 t/d和10000 t/d生产线,全部采用了ABB的控制系统,在2005年还将有6条5000 t/d和10000 t/d生产线采用ABB的控制系统。本文以池州2×5000 t/d 生产线项目为重点,从技术角度介绍AC800F系统在海螺的成功应用。
2. DCS系统控制网络
系统网络分为现场控制层和中央监控层两层网络。
第一层为现场控制层,ABB S800 远程I/O采用Profibus DP通信标准与AC800F控制器进行通信,通讯速率高达12MB/s,距离远达1200米,根据项目要求,有些站距离比较远,采用光纤作为传输介质;在现场采用了部分现场总线仪表,采用ProfiBus PA通信标准与AC800F控制器进行通信。
第二层为中央监控层,实现各控制器之间及与操作员站、工程师站的通信,采用基于TCP/IP协议的工业以太网。由于水泥行业的特点,控制器及操作员站位置分散,且距离较远,现场干扰较大,所以通信网络采用了冗余光纤环网结构。采用赫斯曼导轨安装型光纤集线器通信模件,该集线器提供双冗余供电,双路光纤接口,可以将光缆接成环形,通信模件内置冗余管理功能,当环路任何一处出现故障可以在30ms内自动切换到另外一条备用线路上,同时可以诊测到故障发生位置。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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