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。
SET OF 7 TEFLON GASKET AMAT – PN 0020-83092 – NEW
SET OF 7 INSULATOR CAP AMAT P/N: 0020-18441 – NEW
MOTOR ASSEMBLY HEADWAY RESEARCH EC101 PN 9-05198 – NEW
DIGITAL PROCESS INDICATOR LONDON ELECTRONIC SYSTEM LTD
EMS ELECTRONIC MEASUREMENTS POWER SUPPLY – TESTED
SIERRACINE/MAGNEDYNE MAGNET DRIVE 1100-0051-00 – TESTED
ALCATEL DE OIL FILTER – TESTED
ALCATEL DE OIL FILTER / TESTED