Allen Bradley 1785-L20E

Kulo lonke uphuhliso lwe-automation ye-industrial, kuhlala kukho iimveliso zakudala ezihlala ziqinile kwimigca yemveliso yeefektri ezindala nasemva kwamashumi eminyaka. I-Allen Bradley 1785-L20E ngomnye umzekelo onjalo. Njengomthengisi oqeqeshiweyo, i-Feimu Technology iye yabandakanyeka ngokunzulu kugcino lweenkqubo zolawulo lwemizi-mveliso endala kwaye izazi kakuhle iindawo ezibuhlungu zeengcali zogcino lwaphesheya kweelwandle kwizixhobo ezindala - imigca yemveliso ephelelwe lixesha isendleleni yokukhutshwa, kodwa bayaxinga ngenxa yokusilela kweprosesa engundoqo. Iindawo ezinqabileyo ezisecaleni kunzima ukuzifumana kwaye namaxabiso aphezulu.

Le 1785-L20E yeye Rockwell Automation PLC-5 series. Ngamnye uye wenza uvavanyo olusebenzayo lokulungelelanisa inkqubo yenkqubo endala ukuqinisekisa ukuhambelana okugqibeleleyo kunye nezixhobo ezindala. Okwangoku, kukho unikezelo olwaneleyo lweemveliso, kwaye akukho mfuneko yokulinda ixesha elide. Iiodolo zinokuthunyelwa ngokukhawuleza xa zibekiwe. Le mveliso inegalelo ekuqhubekeni kokusebenza kwemigca emidala yokuvelisa.

U-Allen Bradley 1785-L20E ungowe-PLC-5 iqonga. Eli qonga laqaliswa ngeminyaka yoo-1980 kwaye laba ngumqolo weshishini elizisebenzelayo laseMntla Melika ngaphezulu kweminyaka engamashumi amabini. Izibonelelo ezininzi ezakhiwe phakathi ko-1985 kunye no-2005 zisasebenza kwiinkqubo ze-PLC-5 namhlanje.

I-1785-L20E yiprosesa ye-Ethernet ngaphakathi kolu sapho. Isebenza njengomlawuli ophakathi kwiinkqubo ezinokuthi ziqhube iminyaka engama-20 okanye engama-30. Xa iprosesa yokuqala isilela, ukuyibuyisela ngemodeli entsha akukho lula. Iprosesa entsha ifuna isoftware eyahlukileyo, iingcingo ezahlukeneyo, kwaye rhoqo inkqubo epheleleyo iphinda ibhale. Kungenxa yoko le nto i-1785-L20E ihlala ifanelekile.

Ukubekwa kwemveliso:

Isicelo ekujoliswe kuso: Ukutshintshwa kweeprosesa ezingaphumelelanga kwiinkqubo ezikhoyo ze-PLC-5

Ayenzelwanga: Ufakelo lwesixokelelwano esitsha

Ayihambelani ne: ControlLogix okanye CompactLogix amaqonga

Abasebenzisi abaphambili: Iinjineli zogcino, iingcibi zombane, kunye nabahlanganisi benkqubo abasebenza kwiinkqubo zelifa

Ngaba inokulungelelaniswa neemeko zokusebenza ezinzima zomzi-mveliso omdala?

Undoqo we-1785-L20E yi-CPU ezinzile kakhulu, ejikelezwe ngamacwecwe amaninzi okugcina ukuqinisekisa ukuzinza kokugcinwa kweprogram kunye nokusebenza. Ibhodi yesekethe yangaphakathi yamkela uyilo olubanzi, olwaluluncedo kakhulu ngelo xesha kwaye inokumelana ngokufanelekileyo nokuphazamiseka kwe-electromagnetic kwimimandla yemizi-mveliso, ukunqanda ukuphazamiseka komqondiso okukhokelela ekusileleni kwezixhobo. Nakwimekobume yefektri endala entsonkothileyo, inokusebenza ngokuzinzileyo.

Uyilo lokutshatyalaliswa kobushushu nalo luthatha ingqiqo. I-baseplate yensimbi ibambelela ngokuthe ngqo kwizinto eziphambili zokuvelisa ukushisa, okuvumela ukutshatyalaliswa kobushushu okukhawulezayo kunye nokukhusela umonakalo wecandelo ngenxa yokugqithisa ngexesha lokusebenza kwexesha elide. Esi sesona sizathu sibalulekileyo sokuba inokuhlala ixesha elide. Umva usebenzisa i-interface yohlobo lwe-1771, enezikhonkwane ezishinyeneyo kunye nonyango olujiyileyo lwegolide. Ukufakwa kunye nokutsalwa kugudile kwaye unxibelelwano luqinile. Nangona izixhobo ezidala zisebenza kwaye zivelisa ukungcangcazela okunamandla, akuyi kubakho ukusilela koqhagamshelwano okanye ukuqhawulwa komqondiso, ukulungelelanisa ngokugqibeleleyo kwimeko yokusebenza yezixhobo zefektri endala.

Ngaba inokuhlangabezana neemfuno ezingundoqo zolawulo lwenkqubo endala?

Asizange siyibaxe indlela yokusebenza kwale prosesa. I-advanteji ye-Allen Bradley 1785-L20E ayilali kwisantya esiphezulu se-computing - xa kuthelekiswa nesizukulwana esitsha sabalawuli, isantya sayo sokukhangela ingqiqo asikho ngaphezulu. Nangona kunjalo, xa kusingathwa imisebenzi ephambili yenkqubo endala, iyasebenza ngokwaneleyo kwaye inokuthenjwa. Ingaba i-relay logic control control, i-sequential control, okanye i-PID elula yokulawula, ingabaphatha ngokulula, ngaphandle kokulibaziseka, ukuhlangabezana ngokupheleleyo neemfuno zolawulo lomgca wemveliso endala.

Kwinkqubo endala, ukuzinza kubaluleke ngakumbi kunesantya. Ukuzinza kwe-1785-L20E kuye kwaqinisekiswa kwiindawo zoshishino amashumi eminyaka. Emva kokudibanisa kwinkqubo endala, akukho mfuneko yokulungiswa kweengxaki ezinzima, kwaye inokusetyenziswa ngokukhawuleza, ukusombulula ingxaki yokumisa umgca wemveliso obangelwa kukungaphumeleli kweprosesa endala, evumela ukuba izixhobo ezidala ziqhube ukuba zixabiseke kwaye zigcine inkampani iindleko ezinkulu zokutshintsha inkqubo entsha.

Inketho yenxalenye eyongayo eyongayo

Ukugcina iinkqubo ezindala, ukulawulwa kweendleko kubalulekile. Nangona kunjalo, ixabiso eliphezulu leentsimbi ezinqabileyo lihlala liwushiya umsebenzi wolondolozo usengxakini. Siye sasungula le 1785-L20E ukuvumela oogxa baphesheya ukuba basombulule ingxaki yokunqongophala kwenxalenye ye-spare kwiinkqubo ezindala ngeendleko zoqoqosho ngakumbi. Le mveliso iyafikeleleka kwaye ibonelela ngeendleko eziphezulu. Nje ukuba zifunyenwe, zinokufakelwa ngokuthe ngqo kwaye zilungelelaniswe ngaphandle kokulungiswa kwempazamo okanye ukusetyenzwa. Oku konga ngakumbi ixesha lolondolozo kunye neendleko zabasebenzi, nto leyo eyenza kube lukhetho olungabizi kakhulu kugcino lweenkqubo ezindala.

Uluhlu lokukhangela

Ukutshintsha iprosesa kwinkqubo endala ayilula njengokuplaga entsha. Ngaphambi kokufaka i-1785-L20E, sebenzisa olu luhlu lokutshekisha ukukhusela imiba eqhelekileyo.

Ukukhangela umbane:

Qinisekisa unikezelo lwamandla olukhoyo lubonelela nge-5V DC kwi-backplane. Iinkqubo ze-PLC-5 zisebenzisa i-5V backplane. Ezinye iisistim ezindala ziye zonakalise izixhobo zombane. Ukulinganisa umbane kwi-backplane ngaphambi kokufakwa. Ukuba amandla ombane angaphantsi kwe-4.75V, buyisela unikezelo lwamandla kuqala.

Ukujonga inkqubo yokugcina:

Ngaphambi kokususa iprosesa endala, gcina inkqubo ekhoyo. Sebenzisa i-RSLogix 5 ukulayisha inkqubo. Yigcine njengefayile ye-.RSP. Yigcine kwiindawo ezimbini. Ukuba iprosesa endala ayikwazi ukunxibelelana, fumana ifayile yenkqubo eyaziwayo yokugqibela kumncedisi wesityalo.

Ukujonga uluhlu lwemodyuli:

Dwelisa zonke iimodyuli kwi-chassis. Bhala phantsi amanani emodyuli kunye neendawo zokubeka. Olu lwazi luyafuneka xa uqwalasela umqhubekekisi omtsha. Ukuba naziphi na iimodyuli ezilahlekileyo okanye zitshintshiwe, qaphela utshintsho. Iprosesa entsha kufuneka ibone uqwalaselo lwemodyuli efanayo.

Imeko yebhetri:

I-1785-L20E isebenzisa ibhetri ukugcina imemori yeprogram xa amandla ecinyiwe. Jonga ibhetri kwiyunithi yokutshintsha phambi kokuba uyifake. Ukuba amandla ombane ebhetri aphantsi, yibuyisele endaweni yawo. Ibhetri efileyo ibangela ilahleko yeprogram kumjikelo wamandla.

Amalungu asecaleni asesandleni:

Gcina iifusi ezisecaleni kunye nonikezelo lombane olusecaleni kufutshane. Ukuba ukufakwa kweprosesa kutyhila eminye imiba, ukuba nala macandelo alungile kunciphisa ixesha lokuphumla. Kwakhona gcina ikopi yephepha lefayile yenkqubo xa inguqulelo yesoftware ayihambelani.

Impazamo eqhelekileyo yokutshintsha: Ukufaka iprosesa entsha ngaphandle kokuqinisekisa uguqulelo lwenkqubo. I-1785-L20E ifuna i-RSLogix 5 software version 3.0 okanye ngaphezulu. Isoftware endala ayinakukhuphela kule prosesa.

Isiphakamiso sesicwangciso sexesha elide sokugcinwa kwenkqubo endala

Ukutshintsha iprosesa engaphumelelanga kukulungiswa kwexesha elifutshane. Kwizibonelelo ezixhomekeke kwiinkqubo ze-PLC-5, isicwangciso sexesha elide siyacetyiswa. Eli candelo linceda amaqela olondolozo acwangcise kwangaphambili.

Inqanaba loku-1 - Gcina iiprosesa ezisecaleni zisesandleni:

Ii-PLCs kwiinkqubo ezindala ziyasilela ngaphandle kwesilumkiso. Xa umntu engaphumeleli, imveliso iyayeka. Ixesha elichithwe ukukhangela indawo yokutshintsha linyusa ixesha lokuphumla. UFeimu ucebisa ukuba kugcinwe enye iprosesa ye-1785-L20E esecaleni kwiiyunithi ezi-5 ezifakiweyo. I-spare akunyanzelekanga ukuba icwangciswe. Kufuneka nje ukuba ilungele ukutshintshwa okungxamisekileyo.

Inqanaba lesi-2 – Bhala inkqubo:

Iinkqubo ezininzi ezindala zinamaxwebhu angaphelelanga. Idayagram zocingo azikho. Izimvo zenkqubo azinanto. Iilebhile ze-I/O zicimile. Xa iprosesa isilela, olu xwebhu luba lubalulekileyo. Qala ngokulayisha inkqubo kwiprosesa esebenzayo. Shicilela inkqubo ngezimvo ze-I/O. Faka ileyibhile iingcingo kwi-chassis. Lo msebenzi unceda xa ukusilela okulandelayo kwenzeka.

Inqanaba lesi-3 – Isicwangciso sokuphelelwa lixesha:

Iqonga le-PLC-5 lidala. Iindawo ezisecaleni aziyi kufumaneka ngonaphakade. UFeimu ucebisa isicwangciso senguqu yeminyaka emi-5 kwiinkqubo ezinobungozi obuphezulu. Oku akuthethi ukubuyisela yonke inkqubo ngokukhawuleza. Kuthetha ukuhambisa ngokuthe ngcembe iinkqubo ezibalulekileyo kumaqonga amatsha. I-1785-L20E yibhulorho. Igcina umgca usebenza ngelixa utshintsho lucwangcisiwe.

Izibonelelo ezilandela le ndlela yamanqanaba amathathu zinciphisa umngcipheko wokunciphisa ixesha. Bakwagcina imali ngokuphepha amaxabiso eprimiyamu kwiindawo ezingxamisekileyo.

Inqaku lexabiso lokuthengisa kwakhona: I-1785-L20E ibamba ixabiso elingcono kuneeprosesa ezininzi zakudala ngenxa yokunqongophala kwayo. Izixhobo eziphucula inkqubo yazo yonke zihlala zithengisa iiprosesa zazo ezisecaleni. Oku kubuyisela inxalenye yeendleko zokuphucula. Le prosesa inexabiso lemarike elisetyenzisiweyo eliphezulu kunexabiso layo lokuqala kwezinye iimeko.

Ukuqinisekiswa kobunyani bemveliso

Iiprosesa zika-Allen Bradley 1785-L20E ziphakathi kwezona nxalenye zelifa lomgunyathi. Abaqhubekisi bomgunyathi babangela ukonakala kwenkqubo, urhwaphilizo lwenkqubo, kunye nokuziphatha komatshini okungalindelekanga. Sebenzisa ezi kuhlola zintlanu ukuqinisekisa ubunyani.

Umbala wephaneli yangaphambili: Iiprosesa ze-PLC-5 zokwenyani zinombala othile we-beige-grey. Umbala uyahambelana kwindawo yolawulo. Izinto zomgunyathi zikholisa ukuba nomthunzi owahluke kancinane okanye umbala omthubi ebudaleni. Iiyunithi ezintsha akufuneki zibonakale zityheli.

Ileyibhile yeprosesa: Inombolo yemodeli 1785-L20E iprintwe kwileyibhile esisigxina kwipaneli yangaphambili. Ileyibhile inesiphelo sematte. Iileyibhile zomgunyathi zihlala zikhazimla okanye zixobukile emaphethelweni.

Isigqubuthelo sezibuko se-Ethernet: Iiyunithi zokwenyani zinesigqubuthelo sentsimbi phezu kwe-Ethernet port. Ikhava ingena ngokukhuselekileyo. Amagquma enkohliso ahlala enziwe ngeplastiki okanye ekhululekile.

Isiqhagamsheli se-backplane: Zonke izikhonkwane ezikwi-1771 backplane connector kufuneka zenziwe ngegolide kwaye zithe tye. Iiprosesa zomgunyathi zihlala zisebenzisa izikhonkwane zenkcenkce. Izikhonkwane zenkcenkce zibonakala zingwevu buthuntu endaweni yegolide eqaqambileyo.

Ubunzima bemodyuli: Genuine 1785-L20E inobunzima obumalunga ne-0.8 kg. Isiseko sentsimbi kunye nePCB eshinyeneyo inika ubunzima obuninzi. Izinto zomgunyathi ziziva zikhaphukhaphu kuba zisebenzisa isinyithi esicekethekileyo kunye nezinto ezincinci.

Inqaku elikhethekileyo leeprosesa ze-PLC-5: Ezinye iiyunithi zomgunyathi zisebenzisa iitshiphusi ezihlaziyiweyo ezivela kwiiprosesa ezindala. Ezi chips zinokuba nentsebenzo ephantsi. Iprosesa inokusebenza iinyanga ezimbalwa kwaye ingaphumeleli. I-Feimu ivavanya yonke iprosesa kwiiyure ze-24 phantsi komthwalo ukuqinisekisa ukuzinza ngaphambi kokuthunyelwa.

FAQ

Q: Zeziphi izixhobo ezidala ezilungele le prosesa?

A: I Allen Bradley 1785-L20E ikakhulu iyahambelana Allen Bradley PLC-5 iinkqubo series ukusuka 1990 ukuya ekuqaleni kwenkulungwane yama-21. Iyiprosesa engundoqo yolu chungechunge kwaye inokudibanisa ngokugqibeleleyo kunye nezixhobo ezindala zochungechunge olufanayo. Akukho mfuneko yokuguqula inkqubo; inokutshintshwa ngokuthe ngqo kwaye isetyenziswe.

Umbuzo: Ngaba i-interface ye-Ethernet inokudityaniswa ngokuthe ngqo kwinethiwekhi? Ngaba ifuna isoftware eyongezelelweyo?

A: Iza kunye 10Base-T Ethernet ujongano. Akukho modyuli yonxibelelwano eyongezelelweyo efunekayo. Faka nje intambo yenethiwekhi kwaye inokusetyenziswa. Iyakwazi ukunxibelelana ne-RSLogix 5 software ukufezekisa ukukhuphela inkqubo kunye notshintshiselwano lwedatha. Akukho software eyongezelelweyo ezinikeleyo ekufuneka ifakwe.

Umbuzo: Ngaba umgangatho wemveliso uqinisekisiwe?

A: Silawula ngokungqongqo umgangatho. I-Allen Bradley 1785-L20E yenziwe ngumenzi waseTshayina ngokwemigangatho yokuqala yefektri. Iyunithi nganye iye yavavanywa ngokwenza. Inesakhiwo esiqinileyo kunye nekhono elinamandla lokuchasana nokuphazamiseka, kwaye liyakwazi ukuzivumelanisa ngokugqibeleleyo neemeko zokusebenza ezingqongqo zefektri endala kwaye isebenze ngokuzinzileyo.