DI821 babban tsarin shigar da dijital ne wanda ABB ya haɓaka, wanda aka tsara don dandamalin kayan masarufi na System 800xA®. Ya dace da babban siginar dijital na siginar lantarki a cikin tsarin sarrafa sarrafa kansa na masana'antu. Wannan tsarin yana fasalta tashoshi 8 keɓe masu zaman kansu, suna tallafawa shigarwar 230 V AC ko 220V DC. Ana amfani dashi ko'ina a cikin wutar lantarki, masana'antar sarrafawa, injuna masu nauyi, da sauran aikace-aikacen da ke buƙatar saka idanu na sigina mai ƙarfi.
DI821 yana ɗaukar ƙira mai ƙima kuma ana iya amfani dashi tare da Rukunin Ƙarshe Module (MTUs), yana ba da mafita mai sassaucin tsarin haɗin kai. Yana haɗa ayyukan ci-gaba kamar kulawar wutar lantarki, tace sigina, da nunin matsayi, haɓaka ingantaccen tsarin aiki da kiyayewa.
2. Key Features da Fa'idodi
Input Multi-Channel High-Voltage: Yana ba da tashoshi masu zaman kansu na 8, kowanne yana goyan bayan 230 V AC (164-264 V) ko 220 V DC (175-275 V), shigar da buƙatun don haɗa nau'ikan sigina masu ƙarfi daban-daban a cikin aikace-aikacen filin masana'antu.
Tashoshi Keɓaɓɓu: Kowane tashar shigarwa tana amfani da fasahar keɓewar gani, yadda ya kamata ya hana siginar kutsawar filin shiga tsarin sarrafawa da tabbatar da aminci da kwanciyar hankali.
Haɗaɗɗen Kula da Wutar Lantarki: Channel 1 da Channel 8 za a iya daidaita su azaman abubuwan shigar da wutar lantarki, saka idanu akan yanayin samar da wutar lantarki don tashoshi 2-4 da tashoshi 5-7, bi da bi. Idan wutar lantarki mai kulawa ta ɓace, ƙirar tana kunna abubuwan shigar da kuskure kuma tana haskaka LED Gargaɗi. Ana iya karanta siginar kuskure ta hanyar ModuleBus, yana sauƙaƙe gano kuskure cikin sauri.
Daidaitacce Digital Tace: Kowane tashoshi yana haɗa da zaɓaɓɓen tace dijital (2 ms, 4 ms, 8 ms, 16 ms), yadda ya kamata yana murkushe amo da kuma tabbatar da ingantaccen siginar tsayayye.
Cikakken Alamar Matsayi: Module gaban panel yana fasalta Gudu, Kuskure, Gargaɗi, da LEDs matsayi na kowane tashar tashoshi, ba da damar ma'aikatan kula da filin don saka idanu kan ƙirar da matsayi a cikin ainihin lokaci.
Dacewar Muhalli mai ƙarfi: Tsarin ya dace da takaddun shaida na duniya da yawa (CE, UL, ABS, BV, DNV, da dai sauransu), yana goyan bayan kewayon zafin aiki mai faɗi (0 zuwa +55 °C), kuma yana ba da kariya mai kyau ga tsangwama da lalata, yana sa ya dace da yanayin masana'antu masu tsauri.
Daidaitawar Shigarwa Mai Sauƙi: Mai jituwa tare da Faɗakarwa daban-daban (TU831, TU839, TU851) da Karamin (TU811, TU813) Rukunin Ƙarshe Module, haɗuwa daban-daban shimfidar majalisar ministoci da buƙatun wayoyi.
3. Bayanin Aiki
1. Injin Kula da Wutar Lantarki
Tashoshi 1 da 8 na DI821 an ƙirƙira su azaman abubuwan shigar da sa ido na ƙarfin lantarki. A cikin aikace-aikacen da ke buƙatar babban aminci, ana iya haɗa wutar lantarki ta filin don ƙungiyar tashoshi na shigarwa (2-4 ko 5-7) zuwa tashar kulawa da ta dace (1 ko 8). Modulun na ciki yana sa ido kan wutar lantarki a wannan wurin kulawa akai-akai. Idan wutar lantarki ta ɓace, yana ƙayyade cewa samar da wutar lantarki na waje na rukunin abubuwan shigarwar ya gaza, kunna siginar kuskure na ciki, yana haskaka LED 'Gargadi', kuma yana ba da rahoton matsayin ta ModuleBus. Ana iya kunna ko kashe wannan aikin ta sigogin software. Lokacin da aka kashe, ana iya amfani da tashoshi 1 da 8 azaman tashoshi na yau da kullun.
2. sarrafa sigina da tacewa
Kowace tashar shigarwa ta haɗa da tsayayyen tacewa na 6 ms don daidaita siginar shigarwa. Bugu da ƙari, masu amfani za su iya saita lokacin tace dijital da kansa (2, 4, 8, 16 ms) ga kowane tashoshi dangane da yanayin kutsawar filin. Fitar dijital tana aiki kamar haka: kowane bugun jini tare da ɗan gajeren lokaci fiye da lokacin tacewa ana ɗaukar hayaniya da tacewa; kawai bugun jini mai nisa wanda ya wuce sau 1.5 lokacin tacewa (watau 3, 6, 12, 24 ms bi da bi) ana gane su azaman ingantattun sigina kuma ana aika su zuwa mai sarrafawa. Wannan na'ura mai tacewa dual yana haɓaka garkuwar ƙirar a cikin mahalli tare da tsangwama mai ƙarfi na lantarki.
3. Kanfigareshan Waya Mai Sauƙi
Dangane da zaɓaɓɓen Sashin Ƙarshe Module (MTU), DI821 yana ba da shirye-shiryen toshe tashoshi daban-daban:
TU831/TU851 Extended MTU: Yana ba da tashoshi masu zaman kansu guda biyu a kowane tashoshi (misali, Ch 1.1 da Ch 1.2), sauƙaƙe haɗin keɓancewar sigina da nassoshi masu ƙarfi.
TU811 / TU813 Compact MTU: Hakanan yana ba da tashoshi biyu a kowane tashoshi a cikin ƙaƙƙarfan shimfidar wuri, wanda ya dace da kabad masu takurawa sarari.
TU839 Extended MTU: Baya ga samar da tashoshi biyu a kowane tashoshi, yana ba da ƙarin tasha don samar da firikwensin firikwensin kowane rukunin tashoshi, sauƙaƙe wayoyi don firikwensin da ke buƙatar ikon waje.
Don cikakkun ma'anar tasha, da fatan za a koma zuwa tebur 'Haɗin Tsarin Tsari' da zane-zane a cikin littafin samfurin.
4. Yanayin Aikace-aikace na al'ada
Godiya ga ƙarfin shigarwar sa mai ƙarfi da ƙira mai ƙarfi, DI821 ya dace da sassan masana'antu daban-daban:
Masana'antar Wutar Lantarki: Ana amfani da shi don saka idanu da siginonin matsayi (Lambobin NO/NC) daga na'urori kamar masu watsewar kewayawa, cire haɗin kai, da relay na kariya, sau da yawa kai tsaye daga manyan da'irori na biyu.
Masana'antu Tsarin (Petrochemical, Chemical, Pharmaceutical): Yana samun aminci mai mahimmanci da sigina na tsari kamar matsayin aiki na manyan injina, iyakance siginar sauyawa na manyan bawuloli, da matsayi na maɓallan dakatarwar gaggawa.
Manyan Injin & Kera: Yana sa ido kan matsayin manyan da'irori masu sarrafa wutar lantarki don kayan aiki kamar manyan injina, kayan aikin inji, da tsarin jigilar kaya.
Kamfanoni: Ana amfani da shi don amsa matsayi na famfunan ruwa masu ƙarfi, magoya baya, da'irar haske a cikin ginin sarrafa kansa, ko samun matsayi a tsarin siginar jigilar jirgin ƙasa.
Marine & Offshore Engineering: Tare da takaddun shaida na al'umma na rarrabuwar ruwa da yawa, DI821 ya dace sosai don sa ido kan yanayin tsarin jigilar jirgi da kayan gida.
5. Jagorar Shigarwa da Haɗin kai
1. Daidaituwar tsarin
DI821 wani bangare ne na jerin ABB S800 I/O da tsarin kula da tsarin 800xA. Dole ne a shigar da shi a cikin rakiyar S800 mai jituwa ko rukunin tushe na zamani kuma yana sadarwa tare da mai sarrafawa ta ModuleBus.
2. Zaɓin Rukunin Ƙarshe Module (MTU).
Yi la'akari da waɗannan lokacin zabar MTU:
Sarari: Karamin MTUs (TU811/TU813) sun dace da shigarwa mai yawa.
Waya Sauƙi: MTUs Extended (TU831/TU839/TU851) suna ba da ƙarin faffadan wuraren wayoyi da ƙarin tashoshi masu aiki (misali, ikon firikwensin).
Lambar Maɓalli: MTU mai lambar maɓalli 'AC' dole ne a yi amfani da shi don tabbatar da dacewa ta jiki da kuma hana kuskure.
3. Kanfigareshan da Gudanarwa
A cikin ABB's Control Builder ko makamancin kayan aikin injiniya, ana iya daidaita tsarin DI821 kamar haka:
Saita lokacin tace dijital don kowane tashoshi.
Kunna ko kashe aikin kula da wutar lantarki don Tashoshi 1 da 8.
Ƙayyade dabaru na al'ada/juyawa don siginar tashoshi.
Saita ƙima-aminci (wace ƙimar da tashar ya kamata ta riƙe ko canza zuwa kan asarar sadarwa).
Bayan daidaitawa, zazzage saitunan zuwa mai sarrafawa. Ana iya sa ido kan yanayin aiki na ƙirar ta hanyar LEDs modules da software diagnostic interface.
