I-Robot I/O kanye ne-Safety Interface PCB ye-E-Stop, Isolated I/O, PL kanye ne-SIL

Ama-PCB e-Robot I/O kanye ne-safety interface axhuma irobhothi ezimeni eziphuthumayo, amakhethini okukhanya, izikena zokuphepha, amaswishi okuvumela, ama-interlock, izinzwa zezimboni, ama-actuator, kanye nezinhlelo zokulawula zangaphandle. Lawa mabhodi avame ukusebenzisa izindlela zehadiwe ezibeka irobhothi esimweni esiphephile lapho isofthiwe, izintambo zasensimini, noma idivayisi exhunyiwe ihluleka.

Lo mhlahlandlela uchaza amabhodi e-I/O okuphepha njengesihloko semboni: ukwakheka kweziteshi ezimbili, izinhloso ze-PL kanye ne-SIL, okokufaka kwezimboni okuhlukanisiwe, abashayeli bokukhipha, i-I/O ye-analog, ama-pulse okuhlola ukuxilonga, ukutholwa kwamaphutha, amadokhumenti, kanye nokuhlolwa kokukhiqiza. I-FAQ iphinde yahlelwa kabusha ngalokho onjiniyela nabathengi abavame ukukubuza ngaphambi kokwakha ama-electronics erobhothi ahlobene nokuphepha.

Lokho Okwenziwa Yi-Robot Safety I/O PCB Ngempela

Indima Ohlelweni Lwerobhothi

Ama-PCB e-Robot I/O kanye ne-safety interface aphatha ukuxhumana phakathi kwerobhothi nendawo elikuyo — izitobhi zangaphandle eziphuthumayo, amakhethini okuphepha, izithiyo zokukhanya, i-I/O yezimboni, okokufaka kwedijithali kanye nokuphumayo. Okwenza la mabhodi ahluke ukuthi aphethe ukwakheka kokuphepha kwerobhothi — izindlela zehadiwe eziqinisekisa ukuziphatha okuphephile ngisho noma isofthiwe esezingeni eliphezulu yehluleka. Izici ezithile zamabhodi e-I/O okuphepha yilezi:

• Ukuphindaphinda kweziteshi ezimbili: izimpawu ezihlobene nokuphepha zihanjiswa ngeziteshi ezimbili ezizimele. Ukutholwa kokungafani kuqinisekisa ukuthi zombili iziteshi ziyavumelana.
• Ukuqapha okuhlukahlukene: isiteshi ngasinye siqapha esinye. Iphutha kunoma yisiphi isiteshi litholakala ngokushesha.
• Ama-pulse okuhlolwa kokuxilonga: ama-pulse okuhlola avamile aqinisekisa ukusebenza kweketanga lokuphepha. Ukungabikho kwama-pulse kubonisa iphutha.
• Okokufaka kanye nemiphumela ehlukanisiwe: Ukuhlukaniswa kwe-galvanic phakathi kwezintambo zensimu kanye ne-electronics yokulawula. Kuvikela uhlangothi lokulawula ezishintshashintshayo zensimu.
• Izingxenye eziqinisekisiwe: Izingxenye ezilinganiselwe ngokuphepha ezinezindlela zokwehluleka ezichaziwe kanye nokumbozwa kokuxilonga. Ihlangabezana nezimfuneko ze-ISO 13849 noma ze-IEC 62061.
• Okuzenzakalelayo okuphepha: Ukulahlekelwa yisignali, ukulahlekelwa amandla, noma iphutha kuveza isimo sokuphepha. Ungalokothi wehluleke esimweni esiyingozi.

Izingozi Zokuklama Okufanele Zilawulwe

Ukuze kube nama-PCB e-I/O okuphepha, ukufakwa kokwenziwa kufanele kwenzeke ngaphambi kokuba ukufakwa kwesixhumi, ukufakwa kwendawo ebiyelwe, ukufinyelela kwe-fixture, izindlela zokushisa, kanye nomzila we-harness kumiswe. Izinguquko ezifike sekwephuzile kule mininingwane zivame ukubangela ukuvuselelwa kabusha kwemishini, ukwakhiwa kabusha kwe-test-fixture, noma ukuyekethisa kokuthembeka obekungagwenywa ngokubuyekezwa kwe-DFM kwasekuqaleni.

Ukukhethwa kwezingxenye kufanele kufake isimo somjikelezo wokuphila, ezinye izindlela ezivunyiwe, ukutholakala kwephakheji, isilinganiso sokushisa, kanye nezilinganiso zokuphepha noma zokuhlukaniswa lapho kufanele khona. Ama-PCB okuphepha avame ukuhlala ekukhiqizweni noma ekusesheni isikhathi eside kune-elekthronikhi yabathengi, ngakho-ke ingozi yokuthola engaxazululiwe iba yinkinga yokusekela insimu, hhayi inkinga yokuthenga kuphela.

Ezingeni lesistimu, ibhodi kufanele lichazwe ngomsebenzi, indawo, isikhathi sokuphila, kanye nokuhlolwa kunokuba kube yi-schematic kuphela. Lokhu kuvimbela iphutha elivamile lokwakha i-PCB elungile ngobuchwepheshe okunzima ukuyilungisa, okunzima ukuyilungisa, noma engaqinile ngokwanele uma isifakiwe ku-robot.

Ukwakheka kokuphepha kufanele kubuyekezwe nge -electronics eyinhloko yokulawula amarobhothi , kanye nezinhlelo ezilawulwayo, iphakheji ye-PCB yamarobhothi ezokwelapha.

Ukwakhiwa Kokuphepha: ISO 13849, IEC 62061, PL, SIL

Izinketho Zokwakha Ukuphepha Kokwakha

Ukwakheka kokuphepha kumabhodi e-I/O erobhothi kuvame ukusebenzisa enye yamaphethini okuphepha ajwayelekile. Amaphethini ayinhloko yilawa:

• Isigaba 3 (ISO 13849): ukubekezelelwa kwephutha elilodwa. Izinga elijwayelekile lemisebenzi eminingi yokuphepha kwe-robotics yezimboni.
• Isigaba 4: amaphutha atholakele ngaphambi kwesidingo esilandelayo. Imfuneko ephezulu; ukwakheka okuyinkimbinkimbi kakhulu.
• I-SIL 2 (IEC 62061): imfuneko yokuphepha kwenqubo efanayo. Izinga elijwayelekile lezicelo eziningi zezimboni.
• ISIL 3: isidingo esiphezulu sokuphepha kwenqubo. Akuvamile kakhulu kumarobhothi.
• Izinga Lokusebenza d (ISO 13849): imfuneko yokuphepha elinganayo iyonke. Izinga elijwayelekile lamarobhothi asebenzisanayo.
• Izinga Lokusebenza e: imfuneko yokuphepha ephezulu kakhulu. Okujwayelekile kuzinhlelo zokusebenza ezidinga kakhulu.

Izidingo Zokuqinisekisa Zokwakhiwa Kokuphepha

Ukuthembeka kuncike ekulondolozeni imingcele eklanyelwe ebhodini: ububanzi bethusi, isikhala sokuhlukaniswa, ukukhululeka kokushisa, ukugcinwa kwezixhumi, ukususwa kwezingxenye, kanye nokumbozwa kokuhlolwa. Ukukhiqiza kufanele kuqinisekise lezi zici esikhundleni sokuphatha i-PCB njengomhlangano ojwayelekile ngokuhlolwa kokupasa/ukuhluleka okuvamile.

Ukusebenziseka kahle kufanele kucatshangelwe ngokusebenzisa izixhumi ezibhalwe amalebula, izindawo zokuhlola ezifinyelelekayo, izinhlobo zebhodi ezicacile, kanye nokulandelela izinombolo ze-serial. Uma irobhothi lihluleka ensimini, ukuxilongwa okuhle kwezinga lebhodi kuvumela ithimba lenkonzo ukuthi lihlukanise inkinga ngokushesha esikhundleni sokushintsha ama-assemblies amakhulu noma ukubuyisela irobhothi lonke.

Umthetho osebenzayo ukukhetha ukwakhiwa okulula kakhulu okusahlangabezana nesignali, ukuphepha, ukushisa, kanye nesidingo semishini. Ukucaciswa ngokweqile kukhulisa izindleko, kuyilapho ukucaciswa okungaphelele kudala ukuvuselelwa ngesikhathi sokuhlolwa noma sokufakwa ensimini.

Ukuphathwa Kokufaka Kwedijithali Kwezimpawu Zezimboni

Izinketho Eziyinhloko Zokuklama Zokuphathwa Kokufaka Kwedijithali Kwezimpawu Zezimboni

Ukuphathwa kokufakwayo kwedijithali kumabhodi e-I/O ezimboni kubhekana nesimo sokufakwayo kwezimboni. Izinto eziyinhloko okufanele uzicabangele yilezi:

• Ukubekezelelana kwe-voltage: Izimpawu zedijithali zezimboni ngokuvamile ziyi-24 V DC. Ibhodi libekezelela ububanzi bamandla kagesi kanye ne-reverse polarity.
• Ukukhawulelwa kwamanje: amandla okufaka anqunyelwe ukuvimbela umonakalo ovela kumaphutha ezintambo. Okufakwayo okujwayelekile kwe-opto-isolator ku-10 mA okuvamile.
• Ukuhlunga: Ukuhlunga kokufaka kwenqaba umsindo kanye nokungalungi okufushane. Isikhathi sokuhlunga esikhethiwe sesignali yokufaka ethile.
• Ukuhlukaniswa: ukuhlukaniswa kokukhanya phakathi kwezintambo zasensimini kanye ne-electronics yokulawula. Izinga elijwayelekile lokufakwayo okuhlobene nokuphepha kwezimboni.
• Ikhono lokuhlola: ukufaka ukuqinisekiswa kwesimo ngokusebenzisa izindlela zokuhlola. Okujwayelekile kokufakwayo okuhlobene nokuphepha.
• Ukutholwa kokuphuka kwentambo: Ezinye izinto ezifakwayo zibona izintambo eziphukile njengephutha. Inika amandla ukumbozwa kokuxilonga kwamaphutha ekhebula.

Ukucatshangelwa Kwezokukhiqiza Nokwethenjelwa

Isiyalo sokumbozwa kokuhlolwa siyalinganiswa nesidingo sokuthembeka. Izicelo zabathengi zidinga ukumbozwa okuncane kunezimboni; izimboni zidinga ukumbozwa okuncane kunezokwelapha; ezokwelapha zidinga ukuphepha okuncane. Ukuqhathanisa ukumbozwa kokuhlolwa nesidingo sangempela kulondoloza isabelomali sezindleko ngenkathi kunikeza isiqinisekiso esidingwa yisicelo.

Imibhalo yokukhiqiza ivame ukutshalwa imali encane ngesikhathi sokuklama futhi kuyabiza ukuyikha emuva. Amarekhodi okuhlolwa ngeyunithi ngayinye athathwe ngesikhathi sophenyo lwensimu yokusekela umkhiqizo eminyakeni eminingi kamuva; ukulandelelwa kwengxenye yezingxenye kusekela ukuhlaziywa kokubuyiselwa kwensimu ngemva kokufa. Izinhlelo ezihlela imibhalo kusenesikhathi zinamarekhodi eziwadingayo; izinhlelo ezingeza imibhalo kamuva zivame ukulahlekelwa idatha ebezingayifuna.

Ukushayela Amadivayisi Angaphandle Okukhipha Idijithali

Izinketho Eziyinhloko Zokuklama Zokukhipha Kwedijithali Okushayela Amadivayisi Angaphandle

Ukuphathwa kokukhipha kwedijithali kushayela amadivayisi angaphandle — ama-relay, ama-contactor, izinkomba, ama-actuator okuphepha. Izinto eziyinhloko okufanele uzicabangele yilezi:

• Amandla amanje: usayizi wamanje wokukhipha womthwalo oxhunyiwe. 100 mA kuya ku-2 A ojwayelekile ngokukhipha ngakunye; ugesi ophezulu ngokusebenzisa ama-contactor angaphandle.
• Ukubopha i-voltage: ama-diode e-freewheel emithwalweni yokungenisa. Okujwayelekile kuma-relay kanye nama-solenoid drive.
• Ukuhlukaniswa: Ukuhlukaniswa okubonakalayo noma okune-magnetic phakathi kwe-electronics yokulawula kanye nezintambo zasensimini. Okujwayelekile emiphumeleni ehlobene nokuphepha.
• Ukumbozwa kokuxilonga: Ukufundwa kabusha kwesimo sokukhipha uma kuqhathaniswa nomyalo. Ukutholwa kwephutha kokukhipha okubambekile.
• Ukushaya kwenhliziyo okuvivinywayo: ama-pulse okuhlola avamile emiphumeleni yokuphepha aqinisekisa ukuthi indlela yokuphuma iyasebenza. Umthwalo kumele uphathe ama-pulse okuhlola.
• Ukuvikelwa iDemo-wesifunda: ukuvikelwa kokukhipha kuma-wiring shorts. Ukulungiswa okuzenzakalelayo ngemva kokususwa kwephutha.

Ukucatshangelwa Kwezokukhiqiza Nokwethenjelwa

Ukubonakala kweketanga lokuphakelwa ngesikhathi sokukhiqiza kuthinta kokubili izindleko kanye nokuthembeka. Abakhiqizi abanekhono lokuthola impahla esebenzayo bamukela imijikelezo yokwabiwa ebingabangela ukumiswa kokukhiqiza; abakhiqizi abangenalo ilungelo lokuthola impahla esebenzayo badlula ezinkingeni zokuphakelwa kumakhasimende. Inani lokuthola impahla esebenzayo liphezulu kakhulu ngesikhathi sokuntuleka kwemboni yonke futhi liphansi kakhulu ngesikhathi sezimo zokuphakelwa ezizinzile.

Imijikelezo yokuphindaphinda ukuklama izuza ngempendulo eqinile yokukhiqiza umklamo. Umlingani wokukhiqiza ohlinzeka ngempendulo esheshayo ye-DFM uvumela ukuphindaphinda okusheshayo; umlingani ohlinzeka ngempendulo ehamba kancane noma engajulile unciphisa ukuphindaphinda ngokulinganayo. Izinhlelo ezikhetha ozakwethu bokukhiqiza ngokwengxenye yekhwalithi yempendulo zivame ukuhamba ngesigaba sesibonelo ngokushesha kunezinhlelo ezikhetha ngesilinganiso esiphansi kakhulu sodwa.

I-Analog I/O yokulawula izinqubo kanye nokulinganisa

Izinketho Eziyinhloko Zokuklama ze-Analog I/O Yokulawula Inqubo Nokulinganisa

I-Analog I/O yandisa i-I/O yedijithali ngokulinganisa kanye nokulawula i-analog. Okuvamile ekulawulweni kwenqubo kanye nezinhlelo zokusebenza ezikhethekile. Izinto eziyinhloko okufanele uzicabangele yilezi:

• Iluphu yamanje engu-4-20 mA: i-analog yezimboni ejwayelekile. I-Loop current ilingana nesignali. Iphatha ukusebenza kwekhebula elide ngokuzivikela okuhle komsindo.
• I-voltage engu-0-10 V: I-voltage ejwayelekile ye-analog yezimboni. Ikhebula elifushane lisebenza kunezihibe zamanje.
• I-Thermocouple: isikhombikubona esithile se-analog sokushisa. Isinxephezelo se-cold junction kanye ne-linealisation.
• I-RTD: Ukutholwa kwezinga lokushisa lokumelana neplatinum. Ukulinganiswa kwezinga lokushisa okunembile.
• Okukhiphayo kwe-analogi: okukhiphayo kwamanje noma kwe-voltage okushayela amadivayisi angaphandle. Isikhombikubona sokulawula esijwayelekile.
• Ukuhlukaniswa: ukuhlukaniswa kwe-galvanic kuma-interface e-analog. Okujwayelekile kwezicelo zezimboni.

Ukucatshangelwa Kwezokukhiqiza Nokwethenjelwa

Umnotho we-volume-band uthinta ukukhetha kwenqubo efanele ngendlela ehlukile ezikalini ezahlukene zokukhiqiza. Imikhuba ebuyisela amayunithi ayi-100,000 ngonyaka ayivamile ukubuyisela amayunithi angama-500; imikhuba enengqondo ku-prototype ayivamile ukwenza umqondo ku-volume ephezulu. Ukuqhathanisa indlela yokukhiqiza ne-volume yangempela yokukhiqiza yikho okwenza i-volume ngayinye iphumelele ngokomnotho.

Izibopho zesitifiketi somthetho ziyahlukahluka kakhulu ngokwesicelo kanye nemakethe. Ubufakazi bokukhiqiza obusekela ukuthunyelwa kwamakhasimende bungasukela kokuncane (imikhiqizo yabathengi ezimakethe ezingalawulwa) kuya kokubanzi (amadivayisi ezokwelapha anezikhathi zokugcina eziqinile). Izinhlelo ezichaza izidingo zesitifiketi kusilinganiso zithola ukusethwa kokukhiqiza ngendlela efanele; izinhlelo ezingeza izidingo zesitifiketi kamuva ngezinye izikhathi zidinga izinguquko zenqubo.

Ukumbozwa kokuxilonga kubalulekile kuphela uma kusekelwa inqubo yokuhlola esebenzayo ebhaliwe futhi kudluliselwa ebhodini elinokwethenjelwa le-robot interface.

Ukumbozwa Kokuxilongwa Nokutholwa Kwephutha

Izidingo Zomsebenzi Wokuphepha

Amandla okuxilonga nokuhlola kumabhodi e-I/O okuphepha ahlukanisa isilinganiso sokuphepha ku-I/O evamile. Izici eziyinhloko zokuxilonga yilezi:

• Ukuqapha okuhlukahlukene: Isiteshi ngasinye sokuphepha siqapha esinye. Ukungafani kubonisa iphutha.
• Ukushaya kwenhliziyo okuvivinywayo: ukuhlola ama-pulse avamile ngeketanga lokuphepha. Ama-pulse angekho abonisa iphutha.
• Ukuqinisekiswa kwempendulo: okukhiphayo okuyalelwe kuqhathaniswa nokukhiphayo okulinganisiwe. Umehluko ubonisa iphutha.
• Ukuzihlola ekuqaleni: Ubuqotho beketanga lokuphepha buqinisekisiwe ngaphambi kokusebenza. Iphutha lokuqalisa livimbela ukusebenza okungaphephile.
• Ukuhlolwa kobufakazi besikhathi: eminye imisebenzi yokuphepha idinga ukuhlolwa kobufakazi obugcwele njalo. Yembula amaphutha angatholakali ngokuxilongwa okuzenzakalelayo.
• Ukusabela kwephutha: ukuziphatha okuchaziwe ekutholakaleni kwamaphutha. Isimo sokuphepha esisheshayo; i-alamu kumphathi; ukufakwa kwelogi yamaphutha.

Ubufakazi, Ukuxilongwa, kanye Nokulandelela

Ukukhiqiza okuhlanganisiwe kumlingani oyedwa wokukhiqiza kulondoloza ulwazi lwezikhungo oluqongelela ezizukulwaneni zemikhiqizo. Umlingani owakhe izizukulwane eziningi zemikhiqizo efanayo uyazi izinkinga ezithile ezivelayo, izinguquko zenqubo ezithuthukisa isivuno, amaphethini okuklama akhiqiza kahle. Lolu lwazi aludluliselwa kubalingani abasha ngaphandle kwezindleko.

Ingxoxo eqhubekayo yobunjiniyela nokukhiqiza ithuthukisa kokubili ubudlelwano bemikhiqizo kanye nomphakeli ngokuhamba kwesikhathi. Ukukhiqiza idatha ebuyela emuva kubunjiniyela kwazisa ukuhluzwa komklamo; idatha yokubuyiselwa kwensimu ebuyela emuva kwazisa kokubili ukuthuthukiswa kokuklama kanye nokukhiqiza. Izinhlelo lapho le ngxoxo isebenza khona ziyathuthuka kuzo zonke izizukulwane zomkhiqizo.

Ukuze uthole izinqumo zokuklama eziseduze, bheka i- robot communication PCB isolation kanye ne-EMC guide kanye ne- industrial robot PCB safety architecture guide.

Ama-PCB e-I/O Okuphepha Kokukhiqiza e-Highleap

Isibuyekezo se-DFM Ngaphambi Kokukhiqizwa

I-Highleap ikhiqiza amabhodi e-I/O okuphepha adinga imikhiqizo esezingeni lokuphepha elilinganiselwe inqubo. Amakhono athile afaka:

• Ukuthola izingxenye eziqinisekisiwe: izingxenye ezilinganiselwe ngokuphepha ezivela ekusakazweni okugunyaziwe okunokulandelela indawo.
• Ukuhlanganiswa kokuphepha: ukunaka okukhethekile ezingxenyeni ezisebenzisa imisebenzi yokuphepha. Ukuqinisekiswa nokuhlolwa kokubekwa.
• Ukuhlolwa okusebenzayo: Ukuqinisekiswa kochungechunge lokuphepha ngesikhathi sokuhlolwa kokukhiqiza. Ukuhlolwa kokufakwa kwamaphutha kuqinisekisa ukuziphatha okuphephile.
• Ukuqinisekiswa kokuphepha kweyunithi ngayinye: imisebenzi yokuphepha iqinisekisiwe ngeyunithi ngayinye; idatha yokuhlola ithathwe ukuze ilandelelwe.
• Amadokhumenti: amarekhodi okukhiqiza asekela ukuthunyelwa kwezitifiketi zamakhasimende. Ukuhlolwa kwesihloko sokuqala okugxilwe ekuphepheni.
• Ukuqinisekiswa kokuhlukaniswa: ukuhlolwa kokuhlukaniswa phakathi kohlangothi lwensimu nohlangothi lokulawula ngeyunithi ngayinye.

Ukuhlolwa, Ukulandelela, kanye Nokudluliselwa Kwesakhiwo

Inqubo yokukhiqiza ye-robotics ihlanganisa imikhuba evela ezigabeni eziningana ze-electronics zendabuko. Kusukela kuma-electronics abathengi — ukuzithiba kwezindleko kanye nokukhiqizwa komthamo. Kusukela kuma-electronics ezimboni — ubunjiniyela bokuthembeka kanye nokuphila isikhathi eside kwenkonzo. Kusukela kuma-electronics ezimoto — ukudlidliza kanye nokubekezelelana kwemvelo. Kusukela kuma-electronics ezokwelapha — imibhalo kanye nokulandeleka. Ama-robotics ayazuza ngokuhlanganisa lokhu.

Izinhlelo eziphatha ukukhiqiza njengento ehlelekile — ukutshala imali ebudlelwaneni nabahlinzeki, ukwabelana ngolwazi lokubikezela, ukuxhumanisa amandla — ngokuvamile zisebenza kangcono kunezinhlelo eziphatha ukukhiqiza ngendlela yokuthengiselana. Indlela yokuthengiselana isindisa isikhathi sokuxoxisana kodwa ilahlekelwa izinzuzo ezikhulayo zokubambisana kwabahlinzeki besikhathi eside.

Imibuzo Evame Ukubuzwa Nge-PCB Yerobhothi I/O kanye Ne-Safety Interface

Iyini i-PCB yerobhothi i-I/O kanye ne-PCB ye-interface yokuphepha?

Yibhodi elixhumanisa irobhothi kokufakwayo kwangaphandle, okuphumayo, kanye namadivayisi okuphepha njengezitobhi eziphuthumayo, amakhethini okukhanya, izikena zokuphepha, ama-interlock, kanye nezinzwa zezimboni. Kungafaka phakathi i-I/O yedijithali ehlukanisiwe, iziteshi zokuphepha ezingafuneki, amasekethe okuxilonga, abashayeli bokukhipha, kanye nokuxhumana nomlawuli oyinhloko noma umlawuli wokuphepha.

Uyini umehluko phakathi kwe-I/O ejwayelekile kanye ne-I/O yokuphepha?

I-I/O ejwayelekile ibika futhi ilawula izimpawu zomshini ezijwayelekile. I-I/O yokuphepha yakhelwe ukuze kutholakale amaphutha futhi uhlelo luhambe luye esimweni esiphephile. I-I/O yokuphepha ivame ukusebenzisa ukuphindaphinda, ukuqapha okuphambene, ama-pulse okuhlola, izingxenye eziqinisekisiwe, ukuhlaziywa kwemodi yokwehluleka okwaziwayo, kanye nemibhalo ehambisana nezinga lokusebenza elidingekayo noma i-SIL target.

I-PL ne-SIL zihlobana kanjani nama-PCB okuphepha kwamarobhothi?

Izinga Lokusebenza ngaphansi kwe-ISO 13849 kanye neZinga Lobuqotho Bokuphepha ngaphansi kwe-IEC 62061 zichaza ukunciphisa ubungozi okudingekayo emisebenzini yokuphepha. I-PCB ayifinyeleli i-PL noma i-SIL yodwa; umsebenzi ophelele wokuphepha uhlanganisa izinzwa, i-logic, imiphumela, izintambo, ukuxilonga, isofthiwe, kanye nokuqinisekiswa. Ibhodi kumele lisekele ukwakheka okuqondiwe kanye nezidingo zobufakazi.

Kungani kusetshenziswa amasekethe okumisa izimo eziphuthumayo aneziteshi ezimbili?

Amasekethe okuma okuphuthumayo aneziteshi ezimbili avumela uhlelo ukuthi luthole iphutha elilodwa, njengocingo oluphukile, ukuxhumana okuhlanganisiwe, noma ukufinyela phakathi kweziteshi. Iziteshi ezimbili ziqashwe ukuze kuvunyelwane futhi kutholakale isikhathi. Uma zingavumelani noma zehluleka ukuhlolwa kokuxilonga, umlawuli wokuphepha kufanele ayale ukuthi kumiswe ngokuphephile kunokuthembela esignalini eyodwa.

Kunini lapho i-I/O yerobhothi kufanele ihlukaniswe khona nge-galvanic?

Ukuhlukaniswa kuyanconywa lapho izintambo zensimu ziphuma endaweni ebiyelwe, zixhuma emishinini yezimboni, zisebenzisa izinkomba zomhlaba ezahlukene, noma zingase zithwale ama-transient. Kuvikela ama-electronics okulawula ekukhuphukeni kwamandla kagesi kanye nezihibe zomhlaba. Amasignali ahlobene nokuphepha avame ukusebenzisa ukuhlukaniswa kanye nokuqapha kokuxilonga ukuze kutholakale amaphutha kagesi kunokuba afihlwe.

Ziyini izivivinyo zokuxilonga ekuphepheni kwe-I/O?

Ama-pulse okuhlola okuxilonga ayizibonakaliso ezimfushane ezisetshenziselwa ukuqinisekisa ukuthi isiteshi sokufaka noma sokukhiphayo sisaxhunyiwe futhi asifinyeziwe noma sinamathele. Isilawuli sokuphepha silindele impendulo eyaziwayo. Ama-pulse angekho, abambezelekile, noma angalindelekile angabonisa amaphutha okuxhuma, ukwehluleka kwengxenye, noma ama-short asuka esiteshini aye esiteshini adinga impendulo ephephile.

Ama-PCB e-I/O okuphepha kufanele ahlolwe kanjani ekukhiqizweni?

Ukuhlolwa kokukhiqiza kufanele kuqinisekise imikhawulo yokufaka, ukuhlukaniswa lapho kuchazwe khona, ikhono lokushayela kokukhipha, impendulo ye-short-circuit, ama-pulse okuxilonga, ukutholwa kokungafani kwesiteshi, ukuxhumana, uhlelo lwe-firmware, kanye nokuziphatha kwe-safe-state. Amarekhodi okuhlola kufanele ahambisane nenombolo ye-serial ngoba amabhodi ahlobene nokuphepha avame ukudinga ukulandelelwa ngesikhathi sokuhlolwa noma uphenyo lwasensimini.

Yimaphi amadokhumenti adingekayo kumabhodi esibonakalayo sokuphepha kwamarobhothi?

Imibhalo ivame ukufaka ama-schematics, amafayela e-PCB, i-BOM enezingxenye zokuphepha ezivunyiwe, izilinganiso zokuhlukaniswa, incazelo yomsebenzi wokuphepha, izibikezelo zokumbozwa kokuxilonga, uhlelo lokuhlola, amarekhodi okuhlola umkhiqizo, inguqulo ye-firmware, amarekhodi okulawula ushintsho, kanye nedatha yokulandelela. Izinhlangano zokuqinisekisa kanye namakhasimende okugcina angadinga lobu bufakazi befayela eliphelele lokuphepha komshini.

Thumela amafayela e-PCB esibonakalayo sokuphepha kwerobhothi ukuze uthole i-DFM kanye nokubuyekezwa kokuhlolwa