Sensor/Chotumiza/Chotumizira Mphamvu

Ambiri angasokonezeke ndi kusiyana pakati pa, sensa yokakamiza, chosinthira mphamvu ndi chotumizira mphamvu m'magawo osiyanasiyana. Mawu atatuwa amatha kusinthasintha malinga ndi momwe zinthu zilili. Masensa okakamiza ndi ma transducer amatha kusiyanitsidwa kudzera mu chizindikiro chotulutsa. Choyamba chikhoza kufotokozedwa ndi chizindikiro chotulutsa cha 4-20mA pomwe chachiwiri chikhoza kufotokozedwa ndi chizindikiro cha millivolt. Mwanjira ina, mawu oyenera akhoza kudziwika malinga ndi chizindikiro chotulutsa ndi momwe chimagwiritsidwira ntchito.

Sensor Yopanikizika

Sensa yokakamiza ndi mawu ofala a mitundu yonse ya kupanikizika, chipangizo chomwe chimagwiritsidwa ntchito poyesa kupanikizika. Mwachizolowezi, chizindikiro chotulutsa cha millivolt chimasunga chizindikiro champhamvu popanda kutayika pamene chipangizo choterechi chayikidwa pamtunda wa mamita 10-20 kuchokera ku zamagetsi. Chopereka cha 5VDC chokhala ndi chizindikiro chotulutsa cha 10mV/V chimapanga chizindikiro chotulutsa cha 0-50mV. Ukadaulo wakale umapanga 2-3mV/V (millivolts pa volt) pomwe chamakono chimatha kupanga 20mV/V modalirika. Zizindikiro zotulutsa za Millivolt zimasungidwa malo osungira mainjiniya kuti aziwongolera chizindikiro chotulutsa malinga ndi zosowa zamakina ndikuchepetsa kukula kwa phukusi komanso mtengo.

Chosinthira Mphamvu

Mphamvu yotulutsa mphamvu ya transducer ndi mphamvu yamagetsi kapena ma frequency amphamvu kwambiri kuphatikizapo 0.5 4.5 V ratiometric, 1 - 5 V ndi 1 - 6 kHz. Mphamvu yotulutsa mphamvu imagwirizana ndi mphamvu yonse. Mphamvu yotulutsa mphamvu imatha kupereka mphamvu yochepa pazida zoyendetsedwa ndi batter yakutali. Mphamvu yamagetsi kuyambira 8-28 VDC imafuna mphamvu yamagetsi yolamulidwa ndi 5VDC, kupatula mphamvu yamagetsi ya 0.5 - 4.5V. Vuto lalikulu la mphamvu yamagetsi yakale silili mu "zero yeniyeni", pali chizindikiro pamene sensa ili pa zero pressure. Dongosolo lakale nthawi zambiri limalephera kuzindikira kusiyana pakati pa sensa yolephera popanda mphamvu ndi zero pressure.

Chopatsira Kupanikizika

Chotumizira mpweya chimagwira ntchito poyesa mphamvu ya chipangizocho osati mphamvu yamagetsi. Chizindikiro chodziwika bwino ndi chizindikiro cha mphamvu yamagetsi cha 4-20mA.zotumizira mpweyaZapangidwa kuti ziziyang'anira kuthamanga kwa sitima, mapaipi kapena matanki nthawi yeniyeni. Ma transmitter a pressure a 4-20mA amapereka chitetezo chabwino cha phokoso lamagetsi (EMI/RFI), ndipo adzafunika magetsi a 8-28VDC. Chifukwa chakuti chizindikirocho chikupanga mphamvu, chimatha kugwiritsa ntchito mphamvu ya batri yambiri ngati chikugwira ntchito ndi kuthamanga kwakukulu.

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