描述
为了确保通讯成功,DCS生产厂家无论是电缆,还是通讯口,都把它们做成冗余的。一条网络发生故障,另一条备用网络立即投入运行。备用方式各种DCS有别
NEW MCLEAN MIDWEST HB11-0216-G306 AIR COND HB110216G306
NEW MARKEM 0672528R BOARD 0672528
ALLEN BRADLEY 1391-DES22-DI SERVO DRIVE
NEW FOXBORO 873PH-AIYFGZ ANALYZER
NEW HONEYWELL M740A1020 ACTUATOR MOTOR M740A-1020
NEW ALLEN BRADLEY 1791-IOBX BODULE 1791IOBX
NEW HONEYWELL C7012A-1145 PURPLE PEEPER C7012A 1145
NEW FEINPRUF RD1 BOARD 2070/RD1-7016287-91400-0062