描述
过程通道出现最多是卡件故障或就地总线故障。一种原因是卡件本身厂时间工作,元器件老化或损坏;另外,因外部信号接地或强点信号串入卡件也会导致通道故障。现在一般卡件本身都采取了良好的隔离措施,一般情况下不会导致故障的扩大,但此类故障一旦出现,则直接造成过程控制或监控功能的不正常。所以要及时查明故障原因,及时进行更换卡件。
Pfeiffer Vacuum Turbopump TMH 1001P rebuilt
Single stage liquid ring vacuum pump
Enlarge
Oerlikon Leybold TMP 1100C Turbo Vacuum Pump Rebuilt
1 Year Warranty; Leybold Factory Rebuild
One-day shipping available
Kinney KT300 Rotary Piston Vacuum Pump
Edwards iQDP80 Dry Semiconductor Vacuum Pump iQMB 1200