描述
外部设备的信号通过冗余配置(模拟量)或通过扩展转换(开关量)分别送入2套DCS系统。同时因保证不出现误操作事故，还增加了相当部分的判据条件和I／0测点，这种方式的优点是当一台机组停运或检修，可以较方便地对DCS进行检查，同时也增大了控制的可靠性，缺点是增加了外部设备的数量
Reliance Electric 45C15C Programmable Controller –
Mitsubishi MR-J2-10A-K08 3 Phase AC Servo Amplifier
ROCKWELL-EQUIMETER 122-8-1 1/4 REGULATOR
GILMAN “V” JAW, L.H.+
Fanuc A16B-1200-0742 PCB 2 Axis Sub Micron Sensor Board
Allen Bradley 852S-NSB Solid State Timing Relay
Tsubaki C-2082 10′ 3.048mm Stainless Steel Roller Chain
Balluff BRGBO-WAB-12-EP-P-R-K-0.5 Shaft Encoder
GE Fanuc 44A398710-G01 BKPN7 Board
Square D I-Line PQ-3610G 100A 600V Plug-In Unit
Kaman 853423-02M Position Displacement Sensing System
Giddings and Lewis 502-02724-51 Console Interface Board
Mitsubishi FX52C CNC Module
Giddings and Lewis 572-02778-50 Universal CRT Interface
