1746-F1

1746-F1

1746-F1

2.1 DCS或TDCS
(1)分散控制系统DCS与集散控制系统是集通讯、计算、控制、显示4C(Communication，Computer，Control，CRT)技术于一身的监控技术。
(2) 从上到下的树状拓扑大系统，其中通信(Communication)是关键。
(3) PID在中继站中，中继站联接计算机与现场仪器仪表与控制装置。
(4) 模拟信号A/D-D/A带微处理的混合。
(5) 一台仪表一对线接到I/O，由控制站挂到局域网LAN。
(6) DCS是控制(工程师站)、操作(操作员站)、现场仪表(现场控制站)的三级结构。
(7) 缺点是成本高，各公司产品不能互换，不能互操作，大DCS系统是各家不同的。
(8) 用于大规模的连续过程控制，如石化等。
(9) 制造商:Bailey(美)、Westinghouse(美)、HITACH(日)、LEEDS&NORTHRMP(美)、Siemens(德)、Foxboro(美)、ABB(瑞士) 

本公司专业销售大型进口各种品牌DCS系统模块备件：AB,ABB Advant OCS，ABB MOD 30/MODCELL，ABB MOD 300，ABB Bailey INFI 90，ABB Procontic，ABB Procontrol，H&B Contronic，Moore APACS

，Moore Panel Controllers，Rosemount RS-3，Siemens Iskamatic，Siemens Simatic S5，Siemens Simatic C1，Yokogawa Centum XL，Yokogawa microXL，FOXBORO I/A，

Westinghouse,Ovation,Honeywell QCS，Honeywell TDC系列，Honeywell S9000，HITACHI，Mitsubishi PLC，Motorola MVME，ALSTOM MVME,Other VME,TOSHIBA,HP,Yaskawa,FANUC等大型模组，有着充

足的库存，交货期快，欢迎来电查询。



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