Amasistimu wamaphampu athembele ekuqapheni mathupha ngokuvamile abhekana nezinkinga eziqhubekayo: amaphampu angase aqale sekwephuze kakhulu, ame sekwephuze kakhulu, noma aqhubeke nokusebenza ngisho nalapho ithangi lingenalutho. Lezi zinkinga zingaholela ekulimaleni kwemishini, amandla amoshiweyo, nokusebenza kwesistimu okungazinzile. A Inzwa yeleveli yokuhlola amanzi iba yigugu kakhulu uma ixhunywe kusilawuli esinengqondo esihlelekayo futhi sisetshenziswa njengengxenye yohlelo lokulawula oluzenzakalelayo. Esikhundleni sokuncika ekuhlolweni okubukwayo noma ukushintsha okwenziwa ngesandla, inzwa ithumela amasiginali athembekile ku-PLC, okuvumela uhlelo ukuthi luqale noma lumise amaphampu ngokuzenzakalelayo ngokuya ngamazinga oketshezi. Lokhu kuhlanganiswa kusiza ukuqinisekisa ukuphathwa kwamanzi okuzinzile, kuvikela amaphampu ekusebenzeni okomile, futhi kunciphisa ukuhamba kwamabhayisikili okungadingekile okwenza kube mfushane impilo yemishini.
Kungani ukuhlanganiswa kwe-PLC kubalulekile ekulawuleni izinga lamanzi
Ukusuka ekuhloleni mathupha kuye ekuphenduleni okuzenzakalelayo
Izindlela zokuqapha ithangi ezivamile zivame ukuncika ekubukeni okwenziwa ngesandla noma ekushintsheni okulula kwemishini. Abasebenzisi kufanele bahlole amazinga oketshezi ngezikhathi ezithile futhi banqume ukuthi bawaqalise nini noma bawamise nini amaphampu. Nakuba le ndlela ingase isebenze ezinhlelweni ezincane, ingasebenzi kahle futhi ibe yingozi emisebenzini emikhulu lapho amathangi ehlala egcwala futhi edonsa.
Ukuhlanganiswa kwe-PLC kuvumela isistimu ukuthi iphendule ngokuzenzakalelayo ekushintsheni kwezinga le-liquid. Lapho inzwa ithola umkhawulo wezinga elichaziwe, i-PLC ithola isignali futhi icuphe ngokushesha isenzo esihambisanayo. Amaphampu angaqala lapho izinga lehla ngaphansi kwenani elincane eliphephile futhi lime lapho ithangi lifinyelela izinga elifunekayo.
I-automation iqeda ukubambezeleka okubangelwa ukuqapha okwenziwa ngesandla futhi kusiza ukugcina izimo zokusebenza ezingaguquki.
Ukuvimbela ukuchichima, ukugijima okomile, nokuhamba ngephampu kaningi
Enye yezinhloso eziyinhloko zokuhlanganisa izinzwa nezinhlelo ze-PLC ukuvimbela izingozi zokusebenza. Uma amaphampu esebenza ngaphandle koketshezi olwanele, angase ashise kakhulu noma alimale. Ngokufanayo, lapho amathangi echichima, izinsiza ezibalulekile zingase zimoshwe futhi nezingozi zokuphepha zinganda.
Ngokuxhuma inzwa ku-PLC, isistimu ingaqapha amaphuzu ezinga amaningi futhi ilungise ukuziphatha kwepompo ngokufanele. Isibonelo, i-PLC ingase ivale iphampu ngokushesha uma ithangi lifinyelela izinga eliphansi elibucayi, livikela okokusebenza ekusebenzeni okomile.
I-automation iphinde isize ekunciphiseni ukujikeleza kwephampu njalo. Imijikelezo yokumisa esheshayo ingagcizelela izingxenye zemishini futhi yehlise ubude bephampu. I-PLC logic ivumela opharetha ukuthi basebenzise ukubambezeleka noma izindawo zebhafa phakathi kwamaphoyinti okushintsha, okuqinisekisa ukuziphatha okuhle kwesistimu.
Kungani amasignali ezingeni elizinzile athuthukisa impilo yesistimu
Amasiginali wezinga elizinzile avumela i-PLC ukuthi yenze izinqumo ezinembile mayelana nokusebenza kwepompo. Uma amasignali enzwa eguquguquka ngenxa yokufakwa okungazinzile noma izintambo ezingalungile, i-PLC ingase ihumushe lezi zinguquko njengokuhlukahluka kwezinga langempela.
Izinzwa ezithembekile ezidizayinelwe ukusetshenziswa kwezimboni zisiza ukugcina amasignali azinzile ngisho nasezimweni ezinzima kakhulu. Imiklamo ye-stainless steel probe isetshenziswa kakhulu ngoba imelana nokugqwala futhi igcina ukuqina kwesakhiwo ngesikhathi eside sokusebenza.
I-Bluefin Sensor Technologies Limited ithuthukisa izinzwa zokuhlola ezingase zihlanganiswe nezinhlelo zokuqapha, ama-alamu, nezilawuli, zinike amandla izixazululo zokuphatha eziphelele.
Hlobo luni lwenzwa yezinga lamanzi elibonisa i-PLC engalisebenzisa
Shintsha okukhiphayo ukuze uthole ukulawula okulula okuphezulu/okuphansi
Amasistimu amaningi okulawula amaphampu asebenzisa okuphumayo kokushintsha okulula okuvela kuzinzwa zeleveli. Kulokhu kucushwa, inzwa isebenza njengesicuphi. Lapho uketshezi lufinyelela ku-probe, iswishi iyasebenza futhi ithumele isignali kokokufaka kwe-PLC.
Le ndlela ivame ukusetshenziswa emathangeni okugcina amanzi lapho kudingeka izifunda ezimbili kuphela: ithangi lidinga ukugcwaliswa noma ithangi ligcwele. I-PLC ibe seyenza isenzo esifanele, esifana nokuqala noma ukumisa iphampu.
Imiphumela yokushintsha ilula, ithembekile, futhi ihambisana kakhulu namamojula wokufaka we-PLC.
Isitayela se-analogi noma imiphumela eqhubekayo yokuqapha amathrendi
Amanye amasistimu adinga ukugadwa okuningiliziwe kwamaleveli oketshezi kunezindawo ezilula zokushintsha. Kulezi zimo, izinzwa zingase zinikeze amasignali amele ukushintsha amaleveli oketshezi kubo bonke ububanzi.
Lawa masiginali avumela i-PLC ukuthi ilandelele izinguquko zeleveli ngokuqhubekayo futhi iphendule ngengqondo yokulawula ethuthuke kakhulu. Isibonelo, isistimu ingase ilungise isivinini sepompo noma yenze ama-alamu asebenze ngaphambi kokufinyelela imikhawulo ebalulekile.
Ukuqapha okuqhubekayo kuvame ukusetshenziswa ezinqubweni zezimboni lapho kudingeka khona ukulawulwa okunembile koketshezi.
Ukukhetha okukhiphayo okulungile kwenhloso yokulawula
Ukukhetha uhlobo olulungile lokuphuma kwenzwa kuncike enjongweni yesistimu. Uma inhloso kuwukwenza kusebenze iphampu elula nokuvala shaqa, ukushintsha ukuphuma kungase kwanele.
Uma isistimu kufanele ihlole izinguquko ezihamba kancane noma ihlanganiswe namanethiwekhi azenzakalelayo e-automation, amasignali aqhubekayo angase anikeze ukulawula okungcono.
Ukuchaza inhloso yokulawula kusenesikhathi kusiza ukuqinisekisa ukuthi inzwa ne-PLC zixhumana kahle.
Ingqondo yokulawula iphampu kusetshenziswa inzwa yeleveli yophenyo
Isiqalo sezinga eliphansi kanye ne-high-level stop logic
Isu lokulawula elivamile libandakanya amaleveli amabili. Lapho ithangi lifika endaweni yezinga eliphansi, i-PLC yenza ipompo isebenze ukuze igcwalise ithangi kabusha.
Lapho uketshezi lufika embundwini wezinga eliphezulu, i-PLC imisa iphampu. Le logic elula igcina ithangi ngaphakathi kwebanga lokusebenza eliphephile futhi ivimbela ukuchichima.
I-alamu enamaphuzu amabili ukuze usebenze ngokuphephile
Kuzinhlelo ezithuthuke kakhulu, imikhawulo eyengeziwe ingachazwa. Isibonelo, i-alamu ebalulekile yezinga eliphezulu ingase isebenze uma ithangi lisondela lichichima naphezu kokuthi iphampu ivaliwe.
Ngokufanayo, i-alamu ebalulekile yezinga eliphansi ingase ivale okokusebenza ukuze kuvinjwe umonakalo odalwe ukungatholakali koketshezi okwanele.
Le ndlela enezingqimba ithuthukisa ukuphepha kokusebenza.
Ukwengeza ukubambezeleka kwesikhathi noma i-hysteresis ukunciphisa ingxoxo yepompo
Ukushintshashintsha okusheshayo ezindaweni zokushintsha kungabangela amaphampu ukuthi aqale futhi ame ngokuphindaphindiwe. Lesi simo ngokuvamile sibizwa ngokuthi i-pump chatter.
Uhlelo lwe-PLC luvumela onjiniyela ukuthi bethule ukubambezeleka kwesikhathi noma i-hysteresis phakathi kwamaphoyinti okushintsha. Lokhu kulungiswa kusiza ukuzinzisa ukuziphatha kwesistimu nokunciphisa ukuhamba ngephampu okungadingekile.
Indlela yokuxhuma inzwa ohlangothini lokokufaka lwe-PLC
Indlela yezintambo eziyisisekelo ukusuka kunzwa kuya ku-PLC
Izintambo zenzwa ngokuvamile zixhuma kumojula yokufaka ye-PLC ngokusebenzisa indlela yesiginali echaziwe. Inzwa ithola ileveli yoketshezi bese ithumela isignali ngocingo oluphumayo kutheminali yokufaka ye-PLC.
Uma i-PLC ithola isignali, yenza umqondo ohleliwe olawula ukusebenza kwepompo.
Izintambo ezilungile ziqinisekisa ukuthi isignali ifinyelela ku-PLC ngaphandle kokuphazanyiswa noma ukulahlekelwa.
Ukunikezwa kwamandla, okuvumelanayo, nokuhambisana nokokufaka
Ukuhambisana kukagesi kubalulekile lapho uxhuma izinzwa ezinhlelweni ze-PLC. Ukunikezwa kwamandla okusetshenziswa inzwa kufanele kufane nezidingo zedivayisi.
Uxhumo oluvamile lomhlabathi nalo luyadingeka ukuze i-PLC nenzwa yabelane ngendawo eyireferensi ezinzile yokudluliswa kwesignali.
Ukuhambisana nokokufaka kuqinisekisa ukuthi i-PLC iyihumusha kahle isignali yenzwa.
Kungani ukungafani kwesignali kubangela ukuzenzekelayo okungathembekile
Uma okukhiphayo kwenzwa kungafani nokulungiselelwa kokufaka kwe-PLC, isistimu ingase iziphathe ngendlela engalindelekile. Amasignali angase abonakale ebambezelekile noma angase angabhalisi ngendlela efanele.
Lokhu kungafani kuvame ukuholela emizamweni yokuxazulula inkinga egxile kumqondo wesofthiwe lapho inkinga yangempela ilele ekusebenzisaneni kwesignali.
Ukuhlela ngokucophelela ngesikhathi sokufakwa kuvimbela lezi zinkinga zokuhlanganisa.
Yini okufanele icatshangelwe ezinhlelweni zokusebenza zamathangi
I-geometry yethangi kanye nokubekwa kwephoyinti lokushintsha
Ukuma kwethangi nosayizi kunomthelela lapho izinzwa kufanele zifakwe khona. Emathangeni amade, ubude be-probe kufanele bufane nendawo yokuthola ngokunembile.
Amaphoyinti okushintsha kufanele abekwe lapho isistimu ingaphendula kahle ngaphandle kokubangela ukuchichima noma ukulamba kwephampu.
Ukunyakaza kwamanzi ngesikhathi sokugcwalisa nokukhipha
Ukunyakaza koketshezi kungathinta ukuzinza kokufundwa kwenzwa. Uma amaphampu egcwalisa noma athulula ithangi ngokushesha, indawo ewuketshezi ingase ishintshe isikhashana.
Izinzwa kufanele zifakwe kude nezindawo ezinesiyaluyalu ukuze kugcinwe ukutholwa okungaguquki.
Kungani inzwa eyodwa ingase inganeli ukulawula okuyinkimbinkimbi
Amanye amasistimu adinga izinzwa eziningi ukuphatha izimo zokusebenza ezihlukene. Isibonelo, inzwa eyodwa ingase ilawule ukusebenzisa iphampu kuyilapho enye inikeza ukuvikelwa kokuchichima.
Izinzwa eziningi zivumela i-PLC ukuthi isebenzise ingqondo yokulawula ethuthuke kakhulu.
Izinkinga ezijwayelekile zokuhlanganiswa kwezinga le-PLC nokuthi ungazigwema kanjani
Izimbangela zamanga ezivela ezimeni zeleveli ezingazinzile
Izibangeli ezingamanga zivame ukwenzeka lapho izinzwa zifakwe eduze nezindawo ezinesiyaluyalu zethangi. Ukunyakaza koketshezi kungase kubangele ukuthi i-probe ithole izinguquko ezingeni lesikhashana.
Ukubeka kahle kusiza ukugwema lezi zimo ezingazinzile.
Amaphutha ezintambo enziwe iphutha njengamaphutha esofthiwe
Izintambo ezingalungile zingavimbela amasiginali ukuthi afinyelele ku-PLC. Uma lokhu kwenzeka, opharetha bangase bacabange ukuthi uhlelo lwe-PLC alusebenzi kahle.
Ukuqinisekisa ukuxhumeka kwezintambo kufanele ngaso sonke isikhathi kube esinye sezinyathelo zokuqala zokuxazulula inkinga.
Ukubekwa komkhawulo okungekuhle okubangela ukuhamba ngebhayisikili okufushane
Uma amaleveli amaleveli abekwe eduze kakhulu, amaphampu angavula futhi avale ngokuphindaphindiwe.
Ukulungisa isikhala phakathi kwamaphoyinti okushintsha kusiza ukuzinzisa ukusebenza kwesistimu.
Izinhlobo Zokukhipha Izinzwa ze-PLC Pump Control
Uhlobo lokuphuma kwenzwa |
Ukusetshenziswa Best |
Isibonelo sesicelo se-PLC |
Umkhawulo oyinhloko |
Shintsha okukhiphayo |
Ukutholwa kwezinga eliphezulu noma eliphansi |
Ukuqala/ukumisa kwephampu yokugcwalisa ithangi |
Ulwazi lwezinga elilinganiselwe |
Iswishi enamaphuzu amabili |
Amaphuzu okulawula aphezulu naphansi |
Amasistimu we-automation wephampu |
Idinga isikhala esilungile somkhawulo |
Isignali eqhubekayo |
Ukuqapha ukushintsha izinga le-liquid |
Ukuqapha inqubo yezimboni |
Ukuhlanganiswa okuyinkimbinkimbi |
Isistimu yezinzwa eziningi |
Ukuphathwa kwamathangi okuyinkimbinkimbi |
Amanethiwekhi okulawula asuselwa ku-PLC |
Ubunkimbinkimbi bokufaka obuphakeme |
Lesi sihloko sikusekela kanjani ukukhethwa komkhiqizo
Abathengi badinga okungaphezu kwenzwa elingana
Ukukhetha inzwa akuyona nje indaba yokukhetha idivayisi elingana ngokomzimba ethangini. Inzwa kufanele futhi ihlanganise nohlelo lokulawula futhi ihambisane nezidingo zokusebenza zohlelo lokusebenza.
Uhlobo lokukhiphayo, ubude bethangi, nesu lokulawula kufanele kuchazwe ndawonye
Uhlelo oluphumelelayo lokuzenzakalela luncike ekusebenzisaneni phakathi kwedizayini yethangi, ukumiswa kwezinzwa, kanye nengqondo ye-PLC. Ukuchaza lezi zici ndawonye kusiza ukuqinisekisa ukusebenza okuthembekile.
Kungani umklamo owenziwe ngokwezifiso wensimbi engagqwali ungenza ukuhlanganiswa kube lula
Imiklamo ye-probe eyenziwe ngendlela oyifisayo ivumela onjiniyela ukuthi babeke izindawo ezitholwayo lapho bedingeka khona. I-Bluefin Sensor Technologies Limited ikhiqiza izinzwa zensimbi engagqwali ezingalungiselelwa ubukhulu bamathangi nezimfuneko zamasignali, zizenze zifanelekele ukuhlanganiswa ezinhlelweni zokuqapha ezizenzakalelayo.
Isiphetho
Ukuzenzakalela kwepompo okusebenzayo kuncike kokungaphezu nje kokufaka inzwa ethangini. Lapho a i-liquid sensing probe ihlanganiswe kahle ne-PLC, iba yingxenye ebalulekile yesistimu ezishintshayo ethembekile evikela amaphampu, ezinzisa amazinga ethangi, futhi ethuthukisa ukusebenza kahle kokusebenza. I-Bluefin Sensor Technologies Limited ithuthukisa izinzwa zeleveli namaswishi entantayo ahlangana kalula namadivayisi okuqapha, ama-alamu, nezilawuli ukuze zakhe izixazululo eziphelele zokuphatha amathangi. Uma uhlela isistimu yephampu ezishintshayo noma uthuthukisa ukusethwa okukhona kokuqapha, xhumana nathi ukuze uxoxe ngohlelo lwakho lokusebenza futhi uthole isisombululo esifanele sezinzwa.
FAQ
Iyini indima yenzwa yezinga lamanzi yokuhlola ekulawuleni iphampu ye-PLC?
Inzwa yokuhlola ileveli yamanzi ithola lapho uketshezi lufinyelela amaphuzu athile ngaphakathi kwethangi futhi ithumela amasignali ku-PLC. I-PLC ibe isisebenzisa ingqondo ehleliwe ukuze iqale noma imise amaphampu ngokuzenzakalelayo.
Ingabe inzwa eyodwa yezinga lamanzi yokuhlola ingalawula lonke uhlelo lwepompo?
Kuzinhlelo ezilula, inzwa eyodwa ingase ilawule ukusebenza kwepompo. Nokho, ukufakwa okuningi kusebenzisa izinzwa eziningi ukuze kunikeze ama-alamu ezinga eliphezulu, ukuvikelwa kwezinga eliphansi, nokuqapha okwengeziwe kokuphepha.
Kungani iphampu elawulwa yi-PLC kwesinye isikhathi ivula futhi ivale njalo?
Ukushintsha njalo kuvame ukuvela lapho ama-threshold sileveli esethwe asondelene kakhulu noma uma isiyaluyalu eduze kwenzwa kubangela ukufundwa okungazinzile.
Ingabe kunzima ukuhlanganisa izinzwa zokuhlola izinga lamanzi nezinhlelo ze-PLC?
Ukuhlanganisa ngokuvamile kuqondile lapho okukhiphayo kwenzwa kufana nohlobo lokokufaka lwe-PLC futhi izintambo zicushwa ngendlela efanele. Ukuhlela kahle ngesikhathi sokufakwa kuqinisekisa ukuzenzekelayo okuthembekile.
