Isikhathi Sokuxhuma Izintambo Zekhabhinethi ye-PLC Sincipha Ngokuphawulekayo Ngama-pluggable 5.08mm Pitch DIN Rail Terminal Blocks — Lokho Ama-OEM Okuzenzakalelayo Kwezimboni Akutholayo Ekusebenzeni Kahle Kokuhlanganisa
TL;DR
- Amabhulokhi esiphetho angu-5.08mm axhunywayo anciphisa isikhathi sokuxhuma ngokuxhumeka ngakunye kusukela kumasekhondi angu-45-90 (isiphetho sesikulufu sendabuko) kuya kumasekhondi angu-15-25 — ukwehla okungu-50-70% okuhlanganisa amahora angu-40-60 alondolozwayo ngekhabethe ngalinye le-PLC uma kuphindaphindwa phakathi kwama-600-1,200 okuphela ngakunye.
- Izixhumi ezixhunywayo ezihlanganisiwe kusengaphambili zisusa amaphutha okunikezwa kwezintambo ngoba i-pinout yesixhumi iqinisiwe esigabeni sokukhiqiza i-harness kunokuba ihunyushwe ngumakhi wephaneli kusukela ku-dayagramu yokuxhuma — kunciphisa amazinga amaphutha okuxhuma kusuka cishe ku-2-5 ngekhabhinethi kuya cishe ku-zero.
- Ukufakwa esikhundleni kwamamojula e-I/O kwehla kusuka kumaminithi angu-45-105 kuya ngaphansi kwemizuzu eyi-10 uma kusetshenziswa izixhumi ezixhunywayo — uchwepheshe ukhipha ibhulokhi yesixhumi, ashintshe imojuli, bese exhuma isixhumi esifanayo futhi ngaphandle kokuqedwa kabusha.
Okuqukethwe Kwabasebenzi Bezintambo Zesikulufo Zesikwele Zendabuko
Ekhabetheni lokulawula le-PLC eliyinkimbinkimbi eliphakathi nendawo lemishini yokupakisha, izinhlelo zokuhambisa, noma ukulawulwa komshini wokubumba nge-injection, ngokuvamile kuneziqedi zentambo ezihlukene ezingama-600-1,200. Ukuphela ngakunye kubhulokhi ye-terminal yendabuko yokuphakela nge-screw-clamp kudinga: ukususa u-8-10mm wokushisa kusuka ekugcineni kwentambo kusetshenziswa ithuluzi lokususa elilinganisiwe, ukufaka intambo ehlutshiwe ekuvulekeni kwe-terminal, ukuqinisa isikulufu ku-torque ecacisiwe (ngokuvamile i-0.5-0.8 Nm yentambo engu-2.5mm² njengoba kuchaziwe umenzi we-terminal), nokuqinisekisa ukuxhumana ngokuhlolwa kokudonsa ngokwe-IEC 60947-7-1. Umjikelezo ophelele wokufaka i-strip-insert-tighten-verify uthatha imizuzwana engama-45-90 ngentambo kuye ngokuthi uchwepheshe unolwazi, ukufinyeleleka kwesikhundla se-terminal ngaphakathi kwekhabethe eligcwele kakhulu, nokuthi ngabe umzila wentambo udinga izinyathelo ezengeziwe zokuphatha ikhebula. Ngokwesilinganiso semizuzwana engama-60 ngokuxhumeka kanye neziqedi ezingama-800 ngekhabethe, umsebenzi wokuxhuma ngqo wodwa ungamaminithi angama-800 - ngaphezu kwamahora ayi-13 ngekhabethe.
Lokhu akubandakanyi isikhathi esidingekayo ukuhumusha umdwebo wokuxhumanisa nokuwuhlela ezindaweni ze-terminal ebonakalayo. Umdwebo wokuxhumanisa ukhombisa ukuxhumana okunengqondo: "I0.0 → i-terminal X1:47." Uchwepheshe kumele athole i-terminal X1 ku-DIN rail, abale aze afike endaweni engu-47 emgqeni wama-terminals abukeka afanayo angu-60-80, bese efaka intambo efanele. Ku-density yama-terminals angu-60 ngemitha ye-DIN rail, ukuhlukaniswa okubonakalayo phakathi kwe-terminal 47 ne-terminal 48 kudinga ukunakwa okugxile kukho konke ukuxhumana. Izinga lamaphutha ngaphansi kwezimo zokukhiqiza - lapho ochwepheshe befaka amakhabethe amahora angu-7-8 ngeshifti ngayinye - cishe amaphutha okuxhumanisa angu-2-5 ngekhabethe ngalinye ngokwesilinganiso, ngokusekelwe kudatha yekhwalithi yesitolo sephaneli engiyibukezile. Iphutha ngalinye lithatha imizuzu eyi-15-45 ukuxilonga nokulungisa ngesikhathi sokuhlolwa kokusebenza, okunezela imizuzu engama-30-225 yesikhathi sokusebenza kabusha ngekhabethe ngalinye. Lawa maphutha cishe ayingxenye yesinyathelo sokumapha ngesandla - iminwe yochwepheshe ifike ku-wire efanele kodwa indawo ye-terminal engalungile - futhi akunakwenzeka ukuwaqeda ngokuqeqeshwa noma ukuqeqeshwa kwenqubo kuphela.
Ipharadayimu Engafakwa: Iphela E-Harness, Hhayi Ekhabhinethini
Amabhulokhi e-terminal axhunywayo ashintsha indlela eyisisekelo yokuxhumanisa kusukela ekuqedeni kwekhabhinethi kuya ekuqedeni kwe-harness. Esikhundleni sokuletha izintambo ngazinye kukhabhinethi bese ziqeda ngayinye endaweni yayo ekhethiwe ye-terminal ku-DIN rail, umakhi wephaneli uthola ama-wiring harnesses ahlanganiswe ngaphambilini anezixhumi ezixhunywayo esezivaliwe kakade emaphethelweni entambo. Ibhulokhi yesixhumi - ipulaki yesikhundla esingu-2-24 ene-pitch engu-5.08mm - ihambisana ne-header egxilile efakwe ku-DIN rail. Umsebenzi womakhi wekhabhinethi ushintsha kusukela ekuqedeni kwentambo ngazinye okungu-800 kuya ekuxhumeni amabhulokhi esixhumi ahlanganiswe ngaphambilini angu-20-40 kuma-header ahambisanayo.
Lena imodeli yokuhlanganisa ehluke ngokuphelele enemiphumela edlula kakhulu imali eqoqiwe ngqo. Umsebenzi wokuxhumanisa oqondile, onamaphutha udluliselwa phezulu uye esigabeni sokukhiqiza i-harness, lapho ungenziwa khona ebhentshini ngaphansi kwezimo zokukhanya ezingcono, ngokufinyelela okungenakuvinjelwa ebusweni besixhumi, futhi - ngokujulile - ngemishini yokuhlola i-harness ezenzakalelayo eqinisekisa konke ukuxhumana okuqhubekayo, ukunikezwa kwephini okulungile, kanye nokumelana nokushisa ngaphambi kokuba i-harness ithunyelwe esitolo sephaneli. Uhlelo lokuhlola i-harness olusebenzisa i-Cirris noma umhloli ozenzakalelayo ofanayo lungaqinisekisa ukuhlanganiswa kwesixhumi esinezikhundla ezingu-50 ngaphansi kwemizuzwana engu-30 futhi lukhiqize umbiko wokuhlola osebenza njengobufakazi bekhwalithi yokuqonda kokuhlolwa okuzayo kwesitolo sephaneli. Ushintsho luvela ekuthembeni ukunaka kochwepheshe kuya ekuthembeni ukulinganisa okuqondile kwemishini yokuhlola.
Ukonga isikhathi kukhulu futhi kubhalwe kahle esakhiweni samaphaneli ezimboni. Ibhulokhi lokuxhuma elinezintambo ezingu-12 eziqediwe kusengaphambili lixhuma ku-DIN rail header yalo ngemizuzwana emi-5-10 - isikhathi esidingekayo ukuvumelanisa isixhumi ne-header, ukuyifaka kuze kube yilapho ithebhu yokukhiya ihlangana ngokuchofoza okuzwakalayo, bese kuqinisekisa ngokubonakalayo ukufakwa okuphelele ngokuhlola ukuthi ubuso besixhumi buhambisana nobuso be-header. Ibhulokhi ye-screw terminal yendabuko enezindawo ezingu-12 idinga imizuzu eyi-12-18 ukuze iphele kukhabhinethi. Indlela yokuxhuma inciphisa lokhu kube ngaphansi kwemizuzwana engama-30 yokusebenza ohlangothini lwekhabhinethi - ukwehliswa okungaphezu kuka-95% komsebenzi ohlangothini lwekhabhinethi kulezo zixhumanisi ezingu-12. Kuyo yonke ikhabhinethi yokuxhuma engu-800 enezixhumi ezixhunywayo, isikhathi sokuxhuma ikhabhinethi ohlangothini lwehla kusukela emahoreni ayi-13+ kuya cishe emahoreni ama-2-3. Isikhathi sokuhlanganisa i-harness eqediwe, esenziwa ebhentshini, senezela amahora angu-4-6, ukuze kwehliswe inani elingu-35-45% emsebenzini wokuxhuma wonke.
Ukususwa Kwephutha Nge-Fixed Pinout
Inzuzo ebaluleke kakhulu kwezomnotho yamabhulokhi e-terminal axhunywayo kungenzeka kungabi ukonga kwezisebenzi - kuwukuqedwa cishe kwamaphutha okunikezwa kwezintambo. Lapho umenzi we-harness akha isixhumi esinezindawo ezingu-12 esinezintambo ezikhundleni 1 kuya ku-12, i-pinout iqinisiwe ngokomzimba. Umakhi wephaneli akakwazi ukufaka intambo engalungile endaweni 7 ngoba intambo yesikhundla 7 isivele iphelile esixhumini endaweni 7 futhi ayikwazi ukuhanjiswa ngaphandle kokuyisika nokuyiqeda kabusha. Isenzo sokuhlangana kuphela kukhabhinethi ukufaka isixhumi ekhanda elifanele, elibhalwe nge-identifier yesixhumi (isb., "X101") ehambisana nomdwebo wokuxhuma kanye nelebula elibonakalayo emzimbeni wesixhumi ohlangothini lwe-harness.
Lokhu kushintsha kusuka ekuqinisekisweni ngentambo ngayinye kuya ekuqinisekisweni ngesixhumanisi ngasinye kushintsha kakhulu iphrofayili yokutholakala kwamaphutha. Kukhabhinethi yendabuko enezintambo eziqondile, zonke izixhumanisi ezingu-800 kumele zihlolwe ngazinye ngokuqhathanisa nomdwebo wezintambo - inqubo yokuqinisekisa edinga amahora angu-4-6 futhi ingaphansi kwesilinganiso esifanayo samaphutha omuntu njengezintambo zokuqala. Ngezixhumi ezixhunywayo, ukuqinisekiswa kunciphisa kube: (1) ukuqinisekisa ukuthi i-harness yayiqhubeka futhi i-pinout ihlolwe kumkhiqizi we-harness futhi umbiko wokuhlola uyatholakala, kanye (2) ukuqinisekisa ukuthi ipulaki ngayinye yesixhumi isekhanda elifanele ngokubheka ilebula ngokubona ngokuhambisana nomdwebo wesakhiwo sekhabhinethi. Isinyathelo sesi-2 sithatha imizuzu eyi-10-15 kuzixhumi ezingu-30. Umsebenzi wokuqinisekisa uwonke wehla kusukela emahoreni angu-4-6 kuya ngaphansi kwehora. Izinga lephutha lezintambo lehla kusukela ku-2-5 ikhabhinethi ngayinye kuya cishe ku-zero ngoba i-pinout iphoqelelwa ngokoqobo yisixhumi - asikho isinqumo somsebenzisi mayelana nokuthi iyiphi intambo eya kuphi, kuphela ukufana okubonakalayo phakathi kwamalebula amabili.
I I-UL 508A indinganiso yamaphaneli okulawula ezimboni kanye I-IEC 61439 Kwezinhlanganisela ze-switchgear ezisebenzisa amandla aphansi kanye ne-controlgear, zombili zibhekisela kubuchwepheshe bokuxhuma obuxhunywayo njengendlela yokuthuthukisa ikhwalithi yokuxhuma kwefektri. I-UL 508A ivumela ngokukhethekile izixhumi ezixhunywayo njengendlela yokuxhuma eyamukelekayo uma nje isixhumi sibhalwe ohlwini lohlelo lokusebenza futhi izilinganiso ze-voltage/zamanje zingaphakathi kwemininingwane yomkhiqizi wesixhumi.
Inkonzo Yasensimini: Lapho i-ROI Yanda Khona
Ukonga isikhathi sokuhlanganiswa kuthethelela ukwamukelwa kwamabhulokhi e-terminal axhunywayo esitolo sephaneli; ukonga kwenkonzo yasensimini yilapho i-ROI ishesha khona ngale kwesizathu sokuqala sokuthenga. Uma imojula ye-I/O ihluleka kwikhabhinethi ye-PLC exhunywe ngama-terminal esikulufo esivamile, inqubo yenkonzo yasensimini idla isikhathi esijezisayo: thatha isithombe noma ulebule yonke intambo exhunywe kwimojula ehlulekile (imizuzu eyi-10-30, kuye ngokuthi intambo ingakanani kanye nekhwalithi yokulebula ekhona), nqamula zonke izintambo ezingama-20-40 ngazinye (imizuzu emi-5-15), susa imojula ehlulekile bese ufaka enye esikhundleni (imizuzu emi-5-10), vala kabusha zonke izintambo kuma-terminal afanele kwimojula yokufaka esikhundleni ngenkathi ubhekisela esithombeni noma amalebula athathwe esinyathelweni 1 (imizuzu engama-20-45), bese uqinisekisa konke ukuxhumana (imizuzu emi-5-10). Isikhathi esiphelele esidlulile: imizuzu engama-45-105 yomsebenzi wochwepheshe onekhono, lapho umshini wokukhiqiza ungasebenzi.
Ngezixhumi ezixhunywayo, inqubo iphelela ku: khipha ibhulokhi yesixhumi kumojuli ehlulekile (imizuzwana emi-5), susa imojuli ehlulekile bese ufaka enye esikhundleni (imizuzu emi-5-10), bese ufaka ibhulokhi yesixhumi kumojuli yokufaka esikhundleni (imizuzwana emi-5). Izintambo ezingenalutho azixhunyiwe. Izintambo ezingenalutho ziyanqanyulwa futhi. Ukuxhumeka okungenalutho kudinga ukuqinisekiswa ngoba isixhumi esifanayo esinezintambo ezifanayo ezindaweni ezifanayo zephini manje sixhunywe kumojuli yokufaka esikhundleni efanayo. Isikhathi esiphelele - ngaphansi kwemizuzu eyi-10, esilawulwa ukushintshwa kwemojuli yemishini kanye nokuqaliswa kabusha kwe-PLC - siwukunciphisa okungu-80-90% kusukela enkambisweni yendabuko. Ezimbonini lapho isikhathi sokungasebenzi komshini sibiza ama-USD 500-5,000 ngehora (imigqa yokuhlanganisa izimoto, ukupakishwa kokudla neziphuzo, ukukhiqizwa kwemithi, ukwenziwa kwe-semiconductor), umehluko phakathi kokulungiswa kwemizuzu engama-90 kanye nokulungiswa kwemizuzu eyi-10 kusindisa ama-USD 650-7,500 ezindleko zesikhathi sokungasebenzi ngokuhluleka kwemojuli ye-I/O. Ngesikhathi sokuphila kwesevisi yeminyaka eyi-10-15 yomshini ngokushintsha amamojula angu-3-6 e-I/O, ukonga kwesevisi yasensimini kukodwa kungadlula izindleko ezengeziwe zamabhulokhi e-terminal axhunywayo ngesilinganiso esingu-3-5x.
Izindleko Zokuxhumana Ngakunye Ezomnotho
Ezingeni lesakhi, ibhlokhi yendabuko ye-terminal enezindawo ezimbili ibiza cishe u-USD 0.30-0.60 ngesikhundla ngobuningi bevolumu (izikhundla ezingaphezu kuka-5,000). Uhlelo lwebhlokhi ye-terminal oluxhunywayo oluyi-5.08mm — oluhlanganisa i-DIN rail-mounted header kanye nesixhumi se-harness-side plug — lubiza cishe u-USD 0.80-1.50 ngesikhundla. I-premium yezindleko zesakhi iyi-USD 0.50-1.00 enencazelo ngesikhundla, okuthi kukhabhinethi enezindawo ezingu-800 imele u-USD 400-800 ngezindleko ezengeziwe zezinto zokwakha.
Kodwa-ke, izindleko zezingxenye ziyinto eyodwa kuphela. Izinga labasebenzi bokuhlanganisa eligcwele umthwalo wesitolo sephaneli eNyakatho Melika noma eNtshonalanga Yurophu liyi-USD 35-55 ngehora. Ukonga kwabasebenzi ngokuxhumeka ngakunye — cishe imizuzwana engama-30-50 — kuhumushela ku-USD 0.29-0.76 ngokuxhumeka ngakunye ngalezi zilinganiso. Kusetshenziswa ama-midpoints obubanzi ngabunye, i-premium yezingxenye engu-USD 0.75 incishiswa yi-USD 0.50 ekongeni kwabasebenzi, okushiya i-premium ehlanzekile engu-USD 0.25 ngesikhundla — noma i-USD 200 kwikhabhinethi enezindawo ezingu-800. Uma ukonga kwenkonzo yasensimini, isikhathi sokuhlola esincishisiwe sokusebenza, kanye nokususwa kwezimangalo zocingo lwewaranti kufakwa, izindleko eziphelele zobunikazi zishintsha ngokunqumayo zikhetha izixhumi ezixhunywayo ngonyaka woku-1-2 wokusebenza kwensimu.
imibuzo ejwayelekile ukubuzwa
Iyini isilinganiso samanje samabhulokhi e-terminal angaxhunywa angu-5.08mm?
Amabhulokhi etheminali ajwayelekile angaxhunywa ngephimbo elingu-5.08mm alinganiselwe ku-12-16A ku-300V ngokwezindinganiso ze-IEC 61984 kanye ne-UL 1059, kusetshenziswa intambo engu-0.5-2.5mm² (20-14 AWG). Lokhu kuhlanganisa iningi lamasignali e-PLC I/O — okokufaka kwedijithali (5-15mA ku-24VDC), okokukhipha kwedijithali (0.5-2A ku-24VDC noma ku-120VAC), kanye namasignali e-analog (4-20mA noma ku-0-10V). Ukuxhumeka kwamandla aphezulu njenge-motor contactors, izinsiza zikagesi, kanye nama-heater circuits angaphezu kuka-16A kufanele kusebenzise izixhumi ezinkulu (7.5mm noma 10.16mm) noma amabhulokhi etheminali yamandla yendabuko. Izinga lokushaya elingu-5.08mm lakhiwe ngqo ukuze lifane nesikhala se-terminal kumamojula we-PLC I/O avela kubakhiqizi abakhulu okuhlanganisa i-Siemens S7, i-Allen-Bradley ControlLogix, kanye nochungechunge lwe-Mitsubishi MELSEC, okwenza kube yizinga elifanele lokuxhuma izintambo ze-PLC I/O emhlabeni jikelele.
Amabhulokhi e-terminal axhunywayo asebenza kanjani ngaphansi kwezimo zokudlidliza kwezimboni?
Uma kuchazwe kahle nge-latch ehlanganisiwe yokukhiya, izixhumi ezixhunywayo zisebenza ngokuthembekile ngaphansi kwezimo ezijwayelekile zokudlidliza kwezimboni. Incazelo eyinhloko yindlela yokugcina izixhumi — funa izixhumi ezine-latch ekhiyayo enikeza ukuchofoza okuzwakalayo ekufakweni okugcwele, kunokuba zigcine zilingana nokungqubuzana. Uchungechunge lwe-PCT luka-J-Guang lusebenzisa umklamo we-latch ekabili onamandla okugcina angaphezu kuka-80N, ahlolwe nge I-IEC 60068-2-6 ukuhlolwa kokudlidliza ku-10-500 Hz nge-amplitude yokufuduka engu-0.35mm. Ezindaweni zokudlidliza ezidlulele njengemishini yezimayini, amakamelo enjini yasolwandle, kanye nesitokwe sokugingqika kwesitimela, izixhumi ze-screw-flange ezinokugcinwa kwe-screw-down kwemishini ekhanda zinikeza ukuphepha okwengeziwe ngale kwe-latch ejwayelekile yokukhiya. Eminyakeni eyi-14 yedatha yasensimini esisekelweni sethu esifakiwe, asikaze sibhale ukwehluleka kwensimu okukodwa okubangelwa ukunqanyulwa kwesixhumi ngaphansi kwezimo zokusebenza ezijwayelekile zezimboni lapho imodeli ye-latch yokukhiya ichazwe futhi yafakwa kahle.
Yiliphi inani elincane kakhulu le-oda lokulungiselela isixhumi ngokwezifiso?
Izixhumi ezijwayelekile ezixhunywe endaweni engu-2-24 ezine-pitch engu-5.08mm ziyatholakala esitokweni ngaphandle kobuningi be-oda obuncane — amayunithi angawodwa anga-odwa ukuze kwenziwe i-prototyping kanye nokuhlolwa kwe-pilot. Ukucushwa okwenziwe ngokwezifiso okunezinhlanganisela ezithile zokubalwa kwephinikhodi, ukubhala ikhodi ngombala ngomsebenzi (isb., okuluhlaza okwesibhakabhaka kwezimpawu ze-DC, okubomvu kwe-AC, okuphuzi kwezifunda zokuphepha), noma amalebula okuhlonza izixhumi aphrintiwe ngaphambilini ngokuvamile ane-MOQ yezingcezu ezingu-500-1,000 ngezikhathi zokuhola zamasonto angu-4-6. Kuma-OEM ajwayelekile ekucushweni kwesixhumi esithile kulo lonke umugqa womkhiqizo, izindleko zamathuluzi okuhlanganisa ngokwezifiso zivame ukuncishiswa ngaphakathi kwamakhabethe okuqala angu-500-1,000, futhi ukuhambisana kokulebula kuwo wonke amakhabethe ensimini kwenza kube lula kakhulu ukubhalwa kwenkonzo yasensimini kanye nokuphathwa kwezingxenye ezisele.
Ingabe amakhabhinethi akhona anezikulufo angafakwa kabusha ngezixhumi ezixhunywayo?
Ukulungiswa kwengxenye kungenzeka kodwa kudinga ukuhlolwa kobunjiniyela. Uma ikhabhinethi ekhona isebenzisa ukufakwa kwesitimela se-DIN okujwayelekile, ama-header e-terminal block axhunywayo angafakwa ku-rail efanayo. Kodwa-ke, izintambo ezikhona kuzodingeka ziqedwe kabusha ngama-plugs okuxhuma axhunywayo - okuwukushintsha izintambo zekhabhinethi. Ukulungiswa kwe-retrofit kusebenza kakhulu uma ikhabhinethi isivele ihlelelwe ukufakelwa kabusha okukhulu (isb., ngesikhathi sokuthuthukiswa kwesistimu yokulawula kusukela esizukulwaneni esidala se-PLC). Ekwakhiweni kwekhabhinethi entsha, indlela ye-wiring harness echazwe ngenhla inikeza izinzuzo ezigcwele. Kumakhabhinethi akhona, inani elikhulayo lokulungiswa kabusha ngokuyinhloko liwukonga isikhathi senkonzo yasensimini yesikhathi esizayo lapho amamojula e-I/O edinga ukushintshwa, njengoba umsebenzi wokuqala wokuxhuma usuke usuvele wenziwe. Sincoma ukuhlola ukulungiswa kabusha ngesisekelo sekhabhinethi ngekhabhinethi ngokusekelwe empilweni yesevisi esele elindelwe kanye nezinga lokwehluleka kwemojula ye-I/O yomlando yaleyo modeli yemishini ethile.