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。
MET BEL Metal Bellows MB-601 High Pressure Vacuum Pump
Micro Memory MM-6296 DRAM Memory Module VME Board
Beckman JA-14 Rotor, Fixed Angle, 6 x 250 mL, 14,000RPM
Micro Memory MM-6496 DRAM Memory Module VME Board
Konica Minolta PS3000 Publication Scanner
Thermo Scientific Revco ULT350-3-A30 Ultra-Low Freezer
Wafab WHRV WHRV1222231-134A Temp Controlled Circulator