描述
IPMON01电源监视模件用于监视整个PCU柜电源系统运行状态,包括对IPSYS01及IPFLD125的工作情况、冷却风扇运转情况及机箱温度等的监视。运行中IPMON01卡件的常见故障主要是机箱温度高信号引起误报警,原因是卡件内的2个热敏电阻比较容易损坏。另外,卡件与MMU机架之间接触不良也往往会引起误报警。但IPMON01电源监视模件的PFI功能设置不当,可能会以因PCU供电电压瞬间波动或就地信号瞬间接地,引起PCU柜严重故障,甚至使机组MFT。
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