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ESD system was used to revamp the interlock of the five large compressor combines of process unit in Daqing Fertilizer Plant.This is the first time to execute three special functions of first event record,language alarming and touch screen in ESD system 大庆化肥厂采用ESD系统对生产装置的五大机组联锁进行改造,并首次在ESD系统中实现了第一事故记录、语言报警、触屏3项特殊功能。 H/SWJ-40 temperature patrol inspecting apparatus newly developed is a kind of automatic equipment for inspecting axle temperature of No.42 unit,this paper introduces maintaining frame for its faults in the aspects of power source ,address circuit,A-D converter,comparing circuit,photo electric alarming circuit,language alarming circuit,controlling circuit,amplifier and clock circuit. 某艇新研制的H/SWJ -4 0道温度巡回检测装置主要是检测 4 2号机组轴温的自动化设备。文中就其维修框架的电源故障、地址电路故障、A—D转换器的故障、比较电路故障、光电报警电路故障、语言报警电路故障、控制电路故障、放大器故障及时钟电路故障和维修分别进行了简述。
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