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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(fā)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(cè)量膜片檢測(cè)電路、溫度傳感器和溫度補(bǔ)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(cè)量液體、氣體或蒸汽的壓力,然后將壓力信號(hào)轉(zhuǎn)變成4~20mADC信號(hào)輸出??膳cHART手操器相互通訊,通過(guò)它進(jìn)行設(shè)定,調(diào)整壓力范圍,監(jiān)控或與上位機(jī)組成現(xiàn)場(chǎng)監(jiān)控系統(tǒng),JSHJ-3851智能壓力變送器廣泛應(yīng)用于工業(yè)管道中弱腐蝕性液體、氣體、蒸汽的測(cè)量和控制系統(tǒng)。
 
  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(xiàn)場(chǎng)故障:在對(duì)泵出口的壓力進(jìn)行觀察之后技術(shù)人員發(fā)現(xiàn)DCS操作系統(tǒng)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(tǒng)的顯示值進(jìn)行觀察之后可以發(fā)現(xiàn)壓力值比現(xiàn)場(chǎng)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(dāng)儀表技術(shù)人員趕到現(xiàn)場(chǎng)之后發(fā)現(xiàn)智能壓力變送器現(xiàn)場(chǎng)表頭的液晶顯示屏的壓力大小與工藝現(xiàn)場(chǎng)的壓力大小一樣,但是在DCS操作系統(tǒng)中壓力大小比平時(shí)多出來(lái)。通過(guò)在現(xiàn)場(chǎng)將正確的電流信號(hào)進(jìn)行輸出之后,而且對(duì)DCS操作系統(tǒng)的壓力值進(jìn)行測(cè)試,發(fā)現(xiàn)顯示是正確的,這時(shí)就可以確定故障是發(fā)生在儀器儀表上面了。將智能壓力變送器進(jìn)行更換,然后進(jìn)行重新檢查,發(fā)現(xiàn)在DCS操作系統(tǒng)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(yè)的智能壓力變送器選型建議和可靠的智能壓力變送器產(chǎn)品,有任何疑問(wèn)可以致電180 9235 6836,我們會(huì)有專業(yè)的技術(shù)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(guān)資訊:淺析現(xiàn)場(chǎng)儀表出現(xiàn)的典型故障解決方法



 
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