Description
经济性,应该从DCS本身价格和预计所创效益角度考虑。DCS有国产的和进口的,对相同档次而言,进口的控制功能强一些,有一些先进的控制算法,如Smith预估、三维矩阵运算等,国产DCS价格要比进口的低很多,也能满足技术要求。从结构上来看,国外DCS的控制器各厂家差别不太远,控制器的预置算法稍有差别,控制器与I/O板的连接方式也有所不同。而操作站区别较大。有以PC机为基础的,有以小型机为基础的,操作系统一般选用UNIX类系统。小型机的价
GE Spectra SB364RG Busway 200 A Bus Plug Fusible 3W G
Indramat Digital AC Servo Compact Controller DDC DDC1.2-N200A-DA02-01 DDC01.2
Siemens DC Contactor 14-193-100-562 Coil 74 VDC 1000V 1250 Amp 14-192-890-523
Magnetek GPD515C-B021 15 HP AC VS Drive GPD 515 460V 21A GPD515CB021 Yaskawa
Reliance Electric 2GU41020 20HP GP2000 VS Drive 20 HP
Strongarm 404-151000 Stainless Steel 15.1″ Flat Panel Display Touch Monitor SS
Westinghouse Panelboard Switch FDPS-267 800 Amp FDPS267
General Electric SB364R 200 Amp 600V Spectra Bus Plug Fusible GE SB364-R 200A
GE Multilin 239 Motor Protection Relay General Electric Firmware 64C263C4.000
Westinghouse WH Size Sz 4 A201K4CX Contactor 135A 480V