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。
Kingsley AWH-31-B Manual Hot Stamping Machine
3M / DYNATEL CORP. 600 FAULT AND CABLE LOCATOR
COROMETRICS 415R REMOTE DISPLAY MONITORING SYSTEM
Motorola MVME339 MVME-339 VME Control Board
Telemecanique 110CPU41100 Modicon 311/411 Micro PLC Con
Metpath SST Serum Separation Tube Vacutainer Centrifuge
Mettler Toledo K7 800g Balance Scale
Orion Thermo Electron 720A pH/Ion/ISE Meter
Ericsson SVB13106 VME Telecom Networking Card
Fike Corp. P/N 10-2542 Cheetah Xi Controller Sprinker