Allen-Bradley 1769-OB16P CompactLogix module ɗin fitarwa na sourcing mai maki 16

Bayani na samfurin

1769-OB16P na’urar fitarwa ce ta dijital mai dindindin (solid-state) ta Allen-Bradley Compact I/O da aka ƙera don wahalhalun aikin sarrafa masana’antu. Yana aiki a matsayin module na sourcing (PNP), yana bayar da fitarwa 16 masu zaman kansu masu cunkoso a fadin kewayon ƙarfin aiki daga 20.4VDC zuwa 26.4VDC. Harafin “P” a ƙarshe yana nuna kariyar gajeriyar da’ira ta lantarki da aka gina a ciki, wadda take kare da’irar cikin gida nan take daga yawan kuzari ba tare da buƙatar fuses na wucewa a waje ba. Tare da nauyin 0.25 kg (0.56 lbs) kawai, wannan ƙungiyar module tana aiki a matsayin na’urar faɗaɗa gida ko mai rarrabawa idan aka haɗa ta da tsarin kayan Allen-Bradley CompactLogix ko tushe na mai sarrafa MicroLogix 1500.

Manyan fa’idodin fasaha na asali

Kariyar gajeriyar da’ira ta lantarki mai ci gaba

1769-OB16P yana ɗauke da kariyar da’irar lantarki ta atomatik wadda ke sa ido kan ragin ƙarfi a matakin tashar. Idan ta faru gajeriyar waya a layin filin ko gazawar nauyin inductive, tashar tana rufewa ta atomatik don kawar da yawan zafin da ya wuce kima, ta sake kunnawa da zarar an gyara kuskuren, kuma ta hana makwabtan wuraren fitarwa su daina aiki.

Iyawar rage aiki bisa zafi mai sassauci

Module na fitarwa yana sarrafa sassan injina masu yawan kuzari ta hanyar amfani da fasahar kula da zafin jiki mai wayo. Kowane tashar yana bayar da ci gaba da iya ɗaukar nauyin 1.0A a yanayin zafin muhalli har zuwa 30 °C. Don yankunan sarrafa zafi mai yawa, yana sauya hankali zuwa 0.5A a kowane wuri a iyakar aikinsa na 60 °C, wanda ke tabbatar da zaman lafiyar tsarin na dogon lokaci.

Ƙarfin ɗaukar manyan surges na farkon kunna wuta

An sanye na’urar don tukin na’urorin filin da ke da babban kuzarin inductive, tana jure surgen ɗaukar nauyi har zuwa 2.0A na kololuwa mai maimaituwa na tsawon 10ms. Wannan ƙwarewar tana bai wa transistors masu ƙarfi na lantarki damar kunna manyan na’urorin amfani da wuta, kamar solenoids na masana’antu da manyan coils na magnetic contactor, ba tare da tayar da alamomin kuskure ba.

Ƙayyadaddun bayanan fasaha

Girkawa da Kula da Na'ura

Tsabtace ɗaure a DIN Rail da haɗa kayan module ɗin wuri

Cire dukkan tsarin wutar lantarki masu aiki kafin girka na'urar. Zura na'urar 1769-OB16P a kan daidaitaccen dogon DIN 35mm ko daidaita ta da ramukan hako na panel-mount. Yi amfani da jagororin haɗin harshen-haƙori (tongue-and-groove) don danna ɗaukarwar faɗaɗa ta kama ƙwarai a gefen dama na CPU na CompactLogix ko wutar 1769 da ke makwabtaka. Matsar da lefofin bas ɗin da aka haɗa zuwa gaba don kulle haɗin backplane na ciki cikin aminci.

Wayoyi na filin zuwa Toshe-Tasha mai Cirewa (RTB)

Yi duk haɗin wayoyin filin kai tsaye a kan taron toshe-tasha mai cirewa 1769-RTB18 da ya dace. Yanke murfin igiyoyin sigina zuwa madaidaicin tsawo, ta amfani da layukan 22-14 AWG ga wayoyi masu ƙarfi ko 22-16 AWG ga wayoyi masu yawa (stranded). Haɗa hanyoyin "sourcing common" daidai, sannan ka tura toshe RTB ɗin cikin gidan na'urar har sai lanƙwan kulle na sama da ƙasa sun rufe gaba ɗaya.

Binciken warware matsala na fitilun gwaji na LED

Kofar dubawa ta gaba tana ɗauke da fitilun gwaji na LED masu zaman kansu don sa ido kan yanayin tashoshi. Idan wani takamaiman wurin fitarwa ya kasa kunna, tabbatar cewa na'urar tana karɓar ƙarfin wutar filin 24VDC na al'ada. Fitilar LED ta tashar da take kunne tare da ƙarfin wuta sifili a kan tasha na nuni da cewa kariyar gajeriyar kewayen ciki ta yi aiki. Cire na'urar da ake nufi, duba ko wayoyi sun yi gajeriyar hanya, sannan a bar na'urar ta sake saitowa ta atomatik.

Fa'idodin injiniya

Ƙananan tsarukan faifan kwamitin sarrafawa masu cunkoson tashoshi

Tare da ɗan faɗin bayan module na kusan inci 1.38 (35 mm) kaɗai, tsarin tashoshi 16 yana ba ƙungiyoyin injiniya damar ƙara ingancin aiki a cikin akwatunan sarrafawa masu cunkoso. Wannan yawan cunkoson tashoshi yana rage sararin da ake buƙata gaba ɗaya na kwalayen rarraba wayoyin filɗi da aka baza a layukan samarwa.

Rage Tsayawar Aiki ta Hanyar Kariya da Aka Gina a Ciki

Katin fitarwa na gargajiya suna dogaro da fuses na gilashi na waje waɗanda ke buƙatar a maye gurbinsu da hannu bayan kuskuren wayoyin filɗi. Kariya ta lantarki da aka gina a cikin 1769-OB16P tana kawar da waɗannan toshe-toshen fuse, tana rage yawan kayan da ake siya (BOM) gaba ɗaya da kuma rage lokacin binciken matsala a lokacin abubuwan gajeriyar kewayawa.

Fannonin Amfani da yawa a Tsarin Masana'antu

Saurin kunnawa da kashewar transistor (1ms ON / 2ms OFF) tare da ƙirar da'irar sourcing ɗinsa suna sa module ɗin ya zama mai matuƙar sassauci. Ya dace sosai don isar da umarnin lissafi (logic commands) zuwa hanyoyin jigilar kaya ta atomatik, ƙungiyoyin sarrafa iska (pneumatic control groups), sabbin maɓallan farawa na motoci (modern motor starter switches), da tsarin rarraba kaya masu sauri a masana'antu.

Tambayoyin Fasaha da Ake Yawan Yi (Technical FAQs)

Q1: Menene ma'anar saitin "sourcing" ga wayoyin filɗin nawa?
A1: Sourcing output module (PNP logic) yana bayar da wutar lantarki mai kyau 24VDC daga tashar fitarwa kai tsaye zuwa load ɗin filɗin ka. Wannan yana buƙatar a haɗa ɗayan ɓangaren na'urar da kake sarrafawa (misali kwayar relay ko fitilar alamar aiki) da layin komowar DC (DC common return) na dindindin.

Q2: Zan iya haɗa module 1769-OB16P da kowanne daidaitaccen na'urar ba da wutar tsarin 1769?
A2: Eh. Module ɗin ya yi daidai gaba ɗaya da tsarin wutar Allen-Bradley 1769-PA2, 1769-PB2, 1769-PA4, da 1769-PB4. Ka tabbatar cewa jimillar jan ƙarfin 5.1VDC da ke cikin jerin faɗaɗa naka bai wuce matsakaicin ƙimar da mai ba da wutar da ka zaɓa ya ƙayyade ba.

Q3: Ta yaya module ɗin ke magance tashin wutar lantarki na inductive lokacin kashe solenoid?
A3: Da'irar fitarwa ta nau'in solid-state sourcing tana ƙunsar diodes na kariyar tashin ƙarfi (surge suppression) na ciki da aka ƙera don su sha kuzarin ɗaukar maganadisu (inductive energy). Duk da haka, ga manyan solenoid ko nauyin ɗaukar maganadisu masu nauyi da ake kunna/s kashe su akai-akai, ana ba da shawarar a saka na'urar diode na flyback ko na'urar rage tashin ƙarfi (surge suppressor) a wuce da load ɗin don ƙara tsawon rayuwar module ɗin.