描述
MKS51A010-503-00
2000年世界上工控机市场估计为300~400亿美元,其中DCS 60亿美元,嵌入式系统60~70亿美元,FCS 20~30亿美元,IPC 70~80亿美元,PLC 70~80亿美元,数控 70~80亿美元。并且每年以10%~15%的速度增长。
DCS (集散控制系统)的发展趋势
虽然以现场总线为基础的FCS发展很快,并将最终取代传统的DCS,但FCS发展有很多工作要做,如统一标准,仪表智能化等。另外传统控制系统的维护和改造还需要DCS,因此FCS完全取代传统的DCS还需要一个较长的过程。当前工控机仍以大系统、分散对象、连续生产过程(如:冶金、石化、电力)为主,采用分布式系统结构的分散型控制系统仍在发展。由于开放结构和集成技术的发展,促使大型分散型控制系统销售增加。DCS1997年销售为45亿美元。在工控机中DCS是受计算机技术影响最大、反应最快的一种。DCS主要发展趋势为:
向综合方向发展。由于标准化数据通信线路和通信网络的发展,将各种单(多)回路调节器、PLC、工业PC、NC等工控设备构成大系统,以满足工厂自动化要求,并适应开放化的大趋势。
向智能化方向发展。由于数据库系统、推理机能等的发展,尤其是知识库系统(K
BS)和专家系统(ES)的应用,如自学习控制、远距离诊断和自寻优等,人工智能会在DCS各级实现。和FF现场总线类似,以微处理器为基础的智能设备,如智能I/O、智能PID控制、智能传感器、变送器、执行器、智能人机接口及可编程调节器相继出现。工业PC化。由于IPC组成DCS成为一大趋势,PC作为DCS的操作站或节点机已经很普遍,PC_PLC、PC_STD、PC_NC等就是PC_DCS先驱。
专业化。DCS为更适合各相应领域的应用,就要进一步了解这个专业的工艺和应用要求,以逐步形成如核电站DCS,变电站DCS、玻璃DCS及水泥DCS等。
产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。
主营DCS系统配件
机器人系统配件
大型伺服系统配件
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专业销售进口DCS PLC系统备件模块
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