Measuring display control instrument relates to the industrial automation instrument, especially suitable for measurement of temperature, pressure, liquid level and speed of signal display control, mainly composed of a keyboard, analog signal input, A / D converter, display, relay, CPU CPU and other components, which is characterized in that: a measurement display control instrument A / D converter, relay, the central processor are soldered to the motherboard, and the central processor CPU is connected to each center is connected with the display, keyboard, display, analog signal input end are respectively welded with the motherboard; by using the difference back to the relay control output, solve the actuator at the critical point under repeated fluctuations start and stop, the user can according to the experience in the keyboard instrument is arranged on the upper and lower limit alarm value and return difference, CP The U memory records the setting value, and when the controller works, the output signal is sent to the relay according to the specific control alarm value and the return difference to achieve accurate control.
【技术实现步骤摘要】
【技术保护点】
一种测量显示控制仪,包括:键盘、模拟信号输入端、A/D转换器、显示器、继电器、中央处理器CPU;其特征在于: 测量显示控制仪的A/D转换器、继电器、中央处理器等均焊接在主板上,且以中央处理器CPU为中心相互连接,键盘与显示器相连接,显示器、模拟信号输入端分别与主板相互焊接。
【技术特征摘要】
【专利技术属性】
技术研发人员:林善平,陈盛灿,杨莹,
申请(专利权)人:福建顺昌虹润精密仪器有限公司,
类型:实用新型
国别省市:35[中国|福建]
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