Labaran Samfuran

A cikin muhallin masana'antu masu haɗari inda iskar gas mai ƙonewa, tururi da ƙurar da ke ƙonewa ke haifar da haɗarin fashewa akai-akai, kebul mai aminci (IS) yana wakiltar muhimmin tsarin kula da aminci don kayan aiki masu ƙarancin ƙarfi, sadarwa da da'irori na sarrafawa. Ba kamar kebul na yau da kullun ba, kebul masu aminci an tsara su ne don iyakance fitar da makamashin lantarki a ƙarƙashin yanayin aiki na yau da kullun da na matsala, don kawar da yiwuwar tushen ƙonewa.

Dole ne kebul masu aminci a cikin ciki su kasance shuɗi mai haske (RAL 5015) bisa ga IEC 60079-14 don gano yanki mai haɗari.
Wannan lambar launi da ake buƙata tana bawa masu amfani da wutar lantarki damar bambance da'irori na IS daga kebul na wutar lantarki da ba na IS ba nan take, wanda hakan ke hana haɗuwar makamashi mai haɗari da ba ta dace ba.
Koyi abubuwan da ake buƙata da kuma abubuwan da ba a keɓance ba.

An ƙera kebul mai aminci (IS) don ɗaukar ƙarancin wutar lantarki wanda ba zai iya haifar da ƙonewa a cikin yanayin fashewa ba.

Ba kamar kebul masu hana fashewa waɗanda ke ɗauke da fashewar ba, kebul na IS yana hana tartsatsin wuta gaba ɗaya. Koyi ma'anar kebul na IS, buƙatun gini, lambar launin shuɗi mai rufe fuska, da sigogin mahalli bisa ga IEC 60079-11.

Kebul mai aminci ba zai iya samar ko adana isasshen makamashin lantarki don haifar da ƙonewa a cikin yanayin fashewa ba. Koyi ma'anar, yadda shingayen da ke iyakance makamashi ke aiki, dalilin da yasa ƙarancin ƙarfin lantarki (C) da ƙarancin inductance (L) ke da mahimmanci, da kuma dalilin da yasa ake buƙatar lambar launin shuɗi a duk duniya don shigarwa a wurare masu haɗari.

Kebul ɗin kayan aiki na Intrinsically Safe (IS) yana iyakance wutar lantarki don hana fashewa a wurare masu haɗari. Ba kamar ƙirar da ba ta da kariya daga fashewa (Ex-d) waɗanda ke ɗauke da fashewa ba, kebul na IS yana dakatar da kunna wuta ta hanyar sarrafa ƙarfin lantarki/wutar lantarki. Koyi game da murfin shuɗi, buƙatun kariya, da sigogin mahalli bisa ga IEC 60079-11.

Kebul ɗin da ke cikin aminci (IS) suna iyakance makamashin lantarki don hana ƙonewa a cikin yanayin hakar ma'adinai masu fashewa. Suna da sigogin ƙarfin lantarki/inductance masu sarrafawa tare da lambar shuɗi mai haske-shuɗi bisa ga IEC 60079-11, zaɓuɓɓukan kariya masu kariya da aka tantance daga Ex-ia/Ex-ib, da ƙirar kebul mai sassauƙa don bin ƙa'idodin amincin hakar ma'adinai a ƙarƙashin ƙasa.

Kebulan da ke kwance (ribbon/FFC) suna adana sarari, kuma suna haɗa na'urori masu sarrafa abubuwa da yawa waɗanda suka dace da na'urorin robot da na atomatik. Suna da rufin FEP (-90°C zuwa +200°C), zaɓuɓɓukan na'urorin jagora (CU/TC/SPC/NPC), da kuma kariya daga allo ko kuma ba tare da an yi musu kariya ba. Wannan jagorar ta ƙunshi watsa bayanai mai sauri, fa'idodin ƙira mai sauƙi, da kuma sharuɗɗan zaɓi don aikace-aikacen robot masu wahala.

A'a, RS485 da CAT6 ba iri ɗaya ba ne. An tsara kebul na RS485 don sadarwa ta masana'antu mai nisa (1,200m) tare da impedance 120Ω don hanyoyin sadarwar Modbus RTU. An tsara kebul na CAT6 don Ethernet mai sauri (100m, impedance 100Ω) a cikin yanayin ofis/LAN. Wannan jagorar tana kwatanta sigogi masu mahimmanci 12+ don taimakawa injiniyoyi su ƙayyade daidai.

Kebul na RS485 da Ethernet suna aiki da manufofi daban-daban a fannin sadarwa na masana'antu. Wannan jagorar tana kwatanta takamaiman bayanan su, buƙatun kariya, da aikace-aikacen da suka dace don taimaka muku yin zaɓi mai kyau.

Gano dalilin Kebul na RS485 su ne manyan kasuwanni a fannin sarrafa kansa na masana'antu. Koyi game da impedance (120Ω), kayan kariya, da kuma yadda ake zaɓar ma'aunin da ya dace don tsarin Modbus da CANopen.