Firikwensin matsin lamba 17216318 ya dace da abin nadi / grader na VOLVO

Lokacin zabar firikwensin daidai, nau'ikan inji daban-daban da masu sarrafa shirye-shirye suna buƙatar kulawa sosai ga cikakkun bayanai. Kusan kowace na'ura na zamani da ke buƙatar gyara ko haɓakawa tana da takamaiman buƙatu na nau'ikan bayanan da dole ne a dawo dasu. Ba wai kawai injin yana da takamaiman buƙatu ba, har ma da CPU da module na tsarin sarrafawa suna da nasu bukatun.

Saboda wannan bambance-bambancen, akwai nau'ikan na'urori masu auna firikwensin da ake samu, kuma kowane firikwensin an tsara shi don takamaiman aiki kuma yana ba da ƙayyadaddun ƙayyadaddun bayanai. A cikin wannan takarda, za a yi nazarin tsarin zaɓar madaidaicin firikwensin don aikace-aikace daban-daban. Musamman ma, za a gabatar da ilimin asali na amfani da sigogin na'ura don tantance nau'in firikwensin da za a zaɓa, yadda za a gano polarity na firikwensin da ake buƙata, da kuma yadda za a zaɓa tsakanin jihohin da aka buɗe da kuma rufewa.

Daban-daban nau'ikan nau'ikan firikwensin

Dangantakar da ke tsakanin samfurin da kuke ƙoƙarin ganowa da zaɓin firikwensin ya fi komai mahimmanci. Yawancin lokaci, idan kun ga cewa kun yi zaɓi mara kyau a waɗannan bangarorin, zaku iya nemo hanyar shirye-shirye ko tsarin don juyar da polarity na siginar.

Koyaya, idan an zaɓi nau'in firikwensin kuskure, ƙila ba za a iya gano samfurin kwata-kwata ba. Babu adadin da'irori da zai iya magance wannan matsalar.

Sensor polarity

Yawancin abubuwan shigar da dijital suna buƙatar haɗa su zuwa ƙarfin lantarki na DC, yawanci 10 zuwa 24 vDC. Duk da haka, wasu tsarin na iya amfani da 120vAC ko wani lokacin 24vAC iko ƙarfin lantarki. Waɗannan suna da fa'ida a wasu lokuta na musamman, saboda ba sa buƙatar ƙayyadaddun wutar lantarki na DC kuma suna buƙatar transfoma kawai.

Waɗannan na'urori masu auna firikwensin AC galibi ba a saita su tare da polarity, kuma takaddun bayanai yawanci suna nuna cewa ana iya sanya lodi akan wayoyi masu zafi ko wayoyi masu tsaka-tsaki, waɗanda galibi launin ruwan kasa ne da shuɗi daga kayan aikin wutsiya da aka riga aka yi.

Ya kamata a zaɓi firikwensin AC lokacin da aka saita tsarin shigar da mai sarrafawa azaman AC. Wannan ba kowa ba ne kamar DC, amma wannan nau'in yakamata a yi amfani da shi idan an ƙirƙira ƙirar don shigarwar vAC 120.

Kullum buɗewa ko rufe yawanci

Wani bambanci a cikin ma'auni na zaɓin firikwensin shine zaɓi tsakanin buɗewa na yau da kullun (NO) da rufewa (NC). A cikin iyakokin tsarin sarrafa dijital, da gaske ba shi da bambanci, muddin an rubuta shirin don firikwensin da ya dace.

Bambancin NO/NC shine idan aka zaɓi nau'in firikwensin don buɗe firikwensin firikwensin fiye da 50% na rayuwarsa, zai iya adana wuta. Kudin ajiyar kuɗi na iya zama ƙananan, amma lokacin da farashin farko na firikwensin ya kasance iri ɗaya, yana da mahimmanci don zaɓar kayan aiki mafi dacewa don ƙira.