描述
要有必需的后备手段:重要的保护和联锁,出了有通讯连接外,还必须具有硬接线方式;对重要的调节设备,除了在操作员站上有软手操外,还必须有后备手操,以便在DCS控制系统控制器或I/O模件发生故障时,仍然可以对重要设备进行及时干预。
GOOD YEAR HOT STOCK WATER BELTING 72X100
SEW EURODRIVE RF40LP56 ROTO-FLEX ROTARY GEAR LOCK
INGERSOLL RAND PUMP TYPE HC 10 HP
KOLLMORGEN GOLDLINE BRUSHLESS SERVOMOTOR M-605-B-A9-260
SEW EURODRIVE SNUGGLER FA80DT90L4BM62HR 190.42:1
ALLEN BRADLEY AC DRIVE ULTRA 3000i 2098-DSD-075X
GOOD YEAR HOT STOCK WATER BELTING 54X150
GOOD YEAR HOT STOCK WATER BELTING 60X127