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智能壓力變送器壓力偏高如何處理?

作者:華恒儀表 發布日期: 2020-11-06 二維碼分享

  智能壓力變送器由智能傳感器和智能電子板兩部分組成,智能傳感器部分包括:電容式傳感器、測量膜片檢測電路、溫度傳感器和溫度補償電路等組成;智能電子板板部分包括:微電腦控制器及外圍電路組成,用于測量液體、氣體或蒸汽的壓力,然后將壓力信號轉變成4~20mADC信號輸出??膳cHART手操器相互通訊,通過它進行設定,調整壓力范圍,監控或與上位機組成現場監控系統,JSHJ-3851智能壓力變送器廣泛應用于工業管道中弱腐蝕性液體、氣體、蒸汽的測量和控制系統。
 
  The intelligent pressure transmitter is composed of two parts:an intelligent sensor and an intelligent electronic board.The intelligent sensor part includes:a capacitive sensor,a measuring diaphragm detection circuit,a temperature sensor and a temperature compensation circuit;the intelligent electronic board part includes:a microcomputer controller And peripheral circuit composition,used to measure the pressure of liquid,gas or steam,and then convert the pressure signal into 4-20mADC signal output.It can communicate with the HART handheld operator,through it to set,adjust the pressure range,monitor or form an on-site monitoring system with the host computer.The JSHJ-3851 intelligent pressure transmitter is widely used in industrial pipelines for weak corrosive liquids,gases,Steam measurement and control system.

 
  智能壓力變送器壓力偏高故障:
 
  Intelligent pressure transmitter pressure is too high fault:
 
  1、現場故障:在對泵出口的壓力進行觀察之后技術人員發現DCS操作系統所顯示的壓力值比平常情況下的壓力值多,而且在DCS操作系統的顯示值進行觀察之后可以發現壓力值比現場的液晶顯示屏超出。
 
  1.Field failure:After observing the pressure at the outlet of the pump,the technician found that the pressure value displayed by the DCS operating system is more than the pressure value under normal conditions,and the pressure value ratio can be found after observing the display value of the DCS operating system The on-site LCD screen exceeded.
 
  2、故障解決:當儀表技術人員趕到現場之后發現智能壓力變送器現場表頭的液晶顯示屏的壓力大小與工藝現場的壓力大小一樣,但是在DCS操作系統中壓力大小比平時多出來。通過在現場將正確的電流信號進行輸出之后,而且對DCS操作系統的壓力值進行測試,發現顯示是正確的,這時就可以確定故障是發生在儀器儀表上面了。將智能壓力變送器進行更換,然后進行重新檢查,發現在DCS操作系統里面壓力的顯示值變正確。
 
  2.Troubleshooting:When the instrument technicians rushed to the scene,they found that the pressure of the liquid crystal display on the field meter of the smart pressure transmitter was the same as the pressure of the process site,but the pressure in the DCS operating system was more than usual.After outputting the correct current signal on site,and testing the pressure value of the DCS operating system,it is found that the display is correct.At this time,it can be determined that the fault has occurred on the instrument.Replace the smart pressure transmitter,and then re-check it,and found that the pressure display value in the DCS operating system is correct.
 
  華恒儀表可以為您提供專業的智能壓力變送器選型建議和可靠的智能壓力變送器產品,有任何疑問可以致電180 9235 6836,我們會有專業的技術人員幫您解答,希望能帶給您幫助!
 
  Huaheng Instrument can provide you with professional smart pressure transmitter selection suggestions and reliable smart pressure transmitter products.If you have any questions,you can call 180 9235 6836.We will have professional technicians to help you answer.To help you!


       變送器相關資訊:淺析現場儀表出現的典型故障解決方法



 
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