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Iimpawu eziphambili ze-4-20ma ye-Humidity Sensor ?
Iimpawu eziphambili ze-4-20mA yenzwa yokufuma zezi zilandelayo:
1. Iziphumo zeAnalog:
Ibonelela ngomgangatho we-4-20mA umqondiso wangoku, ovumela ukudibanisa lula kunye neenkqubo ezahlukeneyo zokulawula kunye nabagcini bedatha.
2. Uluhlu olubanzi loMlinganiso:
Iyakwazi ukulinganisa ngokuchanekileyo ukufuma kuluhlu olubanzi, ivumela ukusetyenziswa kwayo kwiindawo ezahlukeneyo.
3. Ukuchaneka okuphezulu:
Uqinisekisa ukufundwa kokufuma okuchanekileyo nokuthembekileyo, okubalulekileyo ekugcineni iimeko ezifanelekileyo kwiinkqubo zoshishino.
4. Ukusetyenziswa kwamandla aphantsi:
Isebenzisa amandla amancinci, okwenza ukuba isebenzise amandla kwaye ifanele ukusetyenziswa kwexesha elide.
5. Yomelele kwaye ihlala ixesha elide:
Yenzelwe ukumelana neemeko ezinzima, iqinisekisa ubomi obude bokusebenza kwiindawo eziyimingeni kwimizi-mveliso.
6. Ufakelo olulula:
Kulula ukuseta nokufaka, ukunciphisa ixesha lokuphumla ngexesha lokuphunyezwa kwenkqubo.
7. Isondlo esincinci:
Ifuna ukulungiswa okuncinci, ukunciphisa iindleko zokusebenza ngokubanzi.
8. Ukuhambelana:
Iyahambelana nezicelo ezahlukeneyo zemizi-mveliso, kubandakanya iinkqubo zeHVAC, ukubekwa esweni kokusingqongileyo, kunye nolawulo lwenkqubo.
9. Ixesha lokuPhendula ngokukhawuleza:
Ibonelela ngedatha yexesha langempela lokufuma, ivumela ukusabela ngokukhawuleza kwiinguqu kwiimeko zokusingqongileyo.
10. Ixabiso Elisebenzayo:
Inika isisombululo esinexabiso eliphantsi lomlinganiselo ochanekileyo wokufuma, ukubonelela ngexabiso lemali.
Ngokubanzi, inzwa yokufuma ye-4-20mA sisixhobo esithembekileyo nesiguquguqukayo, esiyimfuneko kumswakama ochanekileyo.
ukubeka iliso kwiinkqubo ezahlukeneyo zoshishino kunye nokusetyenziswa.
Kutheni Sebenzisa imveliso ye-4-20mA , Ungasebenzisi i-RS485 ?
Njengoko Uyazi Ukusebenzisa imveliso ye-4-20mA kunye ne-RS485 yonxibelelwano zombini iindlela eziqhelekileyo zoku
Ukusasaza idatha evela kuluvo kunye nezixhobo, kodwa zisebenza ngeenjongo ezahlukeneyo kwaye zibonelela ngeenzuzo ezahlukileyo:
1. Ubulula kunye nokomelela:
I-4-20mA i-loop yangoku isignali ye-analog elula efuna iingcingo ezimbini kuphela zokunxibelelana. Incinci
Ichaphazeleka lula yingxolo kunye nokuphazamiseka, iyenza yomelele kwaye ilungele iimeko ezingqongileyo zemizi-mveliso
apho ingxolo yombane ixhaphakile.
2. ImiSebenzi yeCable ende:
Iimpawu ze-4-20mA zinokuhamba kwiintambo ezinde ngaphandle kokuthotywa komqondiso obalulekileyo. Oku kuyenza ifaneleke
kufakelo apho abenzi boluvo babekwe kude nenkqubo yolawulo okanye izixhobo zokufumana idatha.
3. Ukuhambelana:
Iinkqubo ezininzi zokulawula ilifa kunye nezixhobo ezindala zenzelwe ukusebenza kunye neempawu ze-4-20mA. Retrofitting
ezo nkqubo ezinonxibelelwano lwe-RS485 zinokufuna ihardware eyongezelelweyo kunye notshintsho lwesoftware, olunokuthi
ibe yindleko kwaye itye ixesha.
4. Amandla eLuphu lwangoku:
I-4-20mA loop yangoku iyakwazi ukunika amandla inzwa ngokwayo, isusa imfuno yobonelelo lwamandla olwahlukileyo
indawo yoluvo. Olu phawu lwenza lula iingcingo kunye nokunciphisa ubunzima benkqubo ngokubanzi.
5. Idatha yexesha lokwenyani:
Nge-4-20mA, ukuhanjiswa kwedatha kuyaqhubeka kunye nexesha langempela, elibalulekileyo kwizicelo ezithile zolawulo.
apho iimpendulo ezikhawulezileyo kwiimeko eziguqukayo ziyimfuneko.
Kwelinye icala,Unxibelelwano lwe-RS485 luneenzuzo zalo, ezinjengokuxhasa unxibelelwano olumacala omabini,
ukwenza izixhobo ezininzi kwibhasi enye, kunye nokubonelela ngokulula ngakumbi kwedatha. I-RS485 iqhele ukusetyenziswa kwidijithali
unxibelelwano phakathi kwezixhobo, ukubonelela ngemilinganiselo ephezulu yedatha kunye nezakhono zotshintshiselwano olubanzi lwedatha.
Ekugqibeleni, ukhetho phakathi kwe-4-20mA kunye ne-RS485 ixhomekeke kwisicelo esithile, isiseko esikhoyo,
kunye neemfuno zokhuselo lwengxolo, amazinga edatha, kunye nokuhambelana nolawulo kunye neenkqubo zokufumana idatha.
Indlela nganye inamandla kunye nobuthathaka, kwaye iinjineli zikhetha eyona ndlela ifanelekileyo ngokusekelwe kwi
iimfuno ezizodwa zenkqubo abayilwayo.
Yintoni ekufuneka uyiqwalasele xa ukhetha i-4-20ma
Isibonisi sokufuma kwiProjekthi yakho yokuJonga ukufuma ?
Xa ukhetha inzwa yokufuma ye-4-20mA yeprojekthi yakho yokujonga ukufuma, izinto ezininzi kufuneka ziqwalaselwe ukuqinisekisa ukuba inzwa iyahlangabezana neemfuno zeprojekthi kwaye ibonelela ngedatha echanekileyo nethembekileyo:
1. Ukuchaneka nokuchaneka:
Jonga inzwa ngokuchaneka okuphezulu kunye nokuchaneka ukuqinisekisa ukuba ukufundwa komswakama kunokwethenjelwa kwaye kuthembekile.
2. Uluhlu loMlinganiso:
Cinga ngoluhlu lokufuma olunokuthi inzwa inokulinganisa ngokufanelekileyo. Khetha isixhobo soluvo esigquma amanqanaba okufuma afanelekileyo kwisicelo sakho esithile.
3. Ixesha lokuPhendula:
Ngokuxhomekeke kwiimfuno zakho zokubeka iliso, inzwa kufuneka ibe nexesha lokuphendula elilungele ukuguquguquka kokutshintsha komswakama kwindawo yakho.
4. IiMeko zokusiNgqongileyo:
Qinisekisa ukuba i-sensor ifanelekile kwiimeko zokusingqongileyo eziza kubonakaliswa kuzo, ezifana nokushisa okugqithisileyo, uthuli, ukufuma, kunye nezinye izinto ezinokuchaphazela ukusebenza kwayo.
5. Ulungelelwaniso kunye nozinzo:
Jonga ukuba ngaba inzwa ifuna ulungelelwaniso oluqhelekileyo kunye nokuba uzinzile kangakanani ufundo lwayo ngokuhamba kwexesha. Inzwa ezinzileyo inciphisa imizamo yokugcina kwaye iqinisekisa ukuchaneka kwexesha elide.
6. Umqondiso wesiphumo:
Qinisekisa ukuba i-sensor ibonelela nge-4-20mA yemveliso yesignali ehambelana nenkqubo yakho yokubeka iliso okanye izixhobo zokufumana idatha.
7. Ubonelelo lwaMandla:
Qinisekisa iimfuno zamandla zenzwa kwaye uqinisekise ukuba ihambelana nemithombo yamandla ekhoyo kwiprojekthi yakho.
8. Ubungakanani boMzimba kunye noKhetho lokuNyusa:
Qwalasela ubungakanani bomzimba wenzwa kunye neenketho ezikhoyo zokuxhoma ukuze uqiniseke ukuba ingena ngaphakathi kucwangciso lwakho lokuhlola.
9. Iziqinisekiso kunye neMigangatho:
Khangela ukuba i-sensor ihlangabezana nemigangatho yoshishino efanelekileyo kunye neziqinisekiso zokuqinisekisa umgangatho wayo kunye nokuthotyelwa.
10. Isidima somvelisi:
Khetha inzwa kumenzi othembekileyo nothembekileyo onerekhodi yokuvelisa izinzwa ezikumgangatho ophezulu.
11. Inkxaso kunye noXwebhu:
Qinisekisa ukuba umenzi ubonelela ngenkxaso yobugcisa eyaneleyo kunye namaxwebhu ofakelo lwesinzwa, ulungelelwaniso, kunye nokusebenza.
12. Iindleko:
Qwalasela uhlahlo lwabiwo-mali lweprojekthi yakho kwaye ufumane inzwa ebonelela ngeempawu ezifunekayo kunye nokusebenza ngaphandle kokugqithisa uhlahlo lwabiwo-mali lwakho.
Ngokuqwalasela ngononophelo ezi zinto, unokukhetha eyona nzwa ifanelekileyo ye-4-20mA yokufuma ehlangabezana neemfuno ezithile zeprojekthi yakho yokujonga ukufuma, uqinisekisa ukubekwa esweni okuchanekileyo nokungaguqukiyo kwamanqanaba okufuma kwisicelo sakho.
Usetyenziso oluphambili lwe-4-20ma yeSensor yokufuma
Usetyenziso oluphambili lwe-4-20mA zoluvo lokufuma lubandakanya:
1. Iinkqubo zeHVAC:
Ukubeka iliso kunye nokulawula amanqanaba okufuma ekufudumeni, ukungena komoya, kunye neenkqubo zokupholisa umoya ukuze kuqinisekiswe umgangatho womoya ongaphakathi ngaphakathi kunye nokukhululeka kwabahlali.
2. Ukubeka iliso kokusiNgqongileyo:
Ifakwe kwizikhululo zemozulu, ulawulo lwegreenhouse, kunye nezicelo zezolimo ukujonga nokulawula ukufuma ekukhuleni kwezityalo kunye neemeko zokusingqongileyo.
3. Amagumbi acocekileyo kunye neeLebhu:
Ukugcina amanqanaba achanekileyo okufuma kwiindawo ezilawulwayo zophando, imveliso yamayeza, ukwenziwa kwe-semiconductor, kunye nezinye iinkqubo ezinovakalelo.
4. Amaziko eenkcukacha:
Ukubeka iliso kumswakama ukukhusela umonakalo kwisixhobo sombane kunye nokugcina iimeko zokusebenza ezizinzileyo.
5. Iinkqubo zoShishino:
Ukuqinisekisa amanqanaba okufuma afanelekileyo kwiinkqubo zokuvelisa ukunyusa umgangatho wemveliso, ukuthintela imiba enxulumene nokufuma, kunye nokuxhasa ukuzenzekelayo kwemizi-mveliso.
6. Ukomisa kunye nokukhutshwa kwamanzi:
Isetyenziselwa ukomisa kwishishini kunye ne-dehumidifiers ukulawula amanqanaba okufuma ngexesha lokulungiswa kwezinto kunye nokugcinwa.
7. Ugcino lwamaYeza:
Ukubeka iliso kumswakama kwiindawo zokugcina amayeza ukugcina ingqibelelo kunye nokuzinza kwamayeza kunye neemveliso zamachiza.
8. IiMyuziyam kunye noLondolozo lweeNkcukacha eziBalulekileyo:
Ukugcina izinto zakudala ezixabisekileyo, amaxwebhu embali, kunye nobugcisa ngokulawula ukufuma ukunqanda ukuthotywa nokonakala.
9. Iindawo zokuhlala:
Ukudala indawo efanelekileyo yokukhula kwezityalo ngokugcina amanqanaba athile okufuma, ngakumbi kwizityalo eziethe-ethe nezingaqhelekanga.
10. UkuHlolwa koMgangatho woMoya waNgaphakathi (IAQ):
Ukuqinisekisa ukuhlala okunempilo kunye nokukhululeka kunye neemeko zokusebenza ngokulinganisa ukufuma kwizakhiwo zokuhlala kunye nezorhwebo.
Ezi zicelo zahlukeneyo zibonisa ukubaluleka kwezinzwa zokufuma kwe-4-20mA ekugcineni amanqanaba afanelekileyo okufuma kumashishini ahlukeneyo, iinkqubo, kunye nezicwangciso zokusingqongileyo.
Ii-FAQs
1. Yintoni inzwa yokufuma ye-4-20mA, kwaye isebenza njani?
I-4-20mA ye-humidity sensor luhlobo lwe-sensor elinganisa ukufuma okuhambelanayo emoyeni kunye neziphumo zedatha njengophawu lwangoku lwe-analog, apho i-4mA ibonisa ixabiso elincinci lokufuma (umzekelo, i-0% RH), kunye ne-20mA ibonisa ixabiso eliphezulu lokufuma. (umzekelo, i-100% ye-RH). Umgaqo wokusebenza we-sensor uquka into ebonisa ukufuma, njenge-capacitive okanye i-resissive element, etshintsha iimpawu zayo zombane ngokusekelwe kwinqanaba lokufuma. Olu tshintsho luguqulwa lube ngumqondiso wangoku olinganayo, okuvumela ukudibanisa lula kunye neenkqubo ezahlukeneyo zokulawula kunye nabagcini bedatha.
2. Ziziphi iingenelo eziphambili zokusebenzisa i-sensor ye-4-20mA yokufuma ngaphezu kwezinye iintlobo zeenzwa zokufuma?
I-4-20mA izinzwa zokufuma zibonelela ngeenzuzo ezininzi, kubandakanya:
- Ukugonywa kwengxolo:Abachaphazeleki kancinci kwingxolo yombane, nto leyo ebenza bomelele kwiindawo zoshishino kunye nokuphazamiseka okuphezulu.
- Iintambo ezinde:Iimpawu ze-4-20mA zinokuhamba imigama emide ngaphandle kokuthotywa komqondiso obalulekileyo, okwenza ukuba zilungele ukufakwa okude.
- Ukuhambelana:Uninzi lweenkqubo zolawulo ezikhoyo zenzelwe ukusebenza kunye neempawu ze-4-20mA, ukwenza ukudibanisa kube lula.
- Idatha yexesha lokwenyani:Banikezela ngedatha eqhubekayo, yexesha lokwenyani, ivumela iimpendulo ezikhawulezayo kwiimeko eziguqukayo zokufuma.
- Ukusebenza koMbane:Ezi zinzwa ziyakwazi ukuzenzela amandla ngokusebenzisa i-loop yangoku, ukunciphisa imfuno yokunikezelwa kwamandla okongeziweyo kwiindawo zenzwa.
3. Ziphi iisenso zokufuma ze-4-20mA eziqhelekileyo ezisetyenziswayo, kwaye zeziphi iinkqubo zazo eziqhelekileyo?
I-4-20mA izinzwa zokufuma zifumana izicelo kumashishini ahlukeneyo nakwiindawo, ezinje:
- Iinkqubo zeHVAC:Ukuqinisekisa awona manqanaba afanelekileyo okufuma ukwenzela ukuphucula umgangatho womoya wangaphakathi kunye nokuthuthuzela.
- Ukubeka iliso kokusiNgqongileyo:Ukubeka iliso kokufuma kwezolimo, kwizikhululo zemozulu, kunye nezicelo ze-greenhouse.
- Amagumbi acocekileyo:Ukulawula amanqanaba okufuma kwimveliso kunye neenkqubo zophando ezifuna iimeko ezithile zokusingqongileyo.
- Amachiza:Ukugcina ukufuma phakathi kwemida ebalulekileyo yokuveliswa nokugcinwa kwechiza.
- Amaziko eenkcukacha:Ukubeka iliso kokufuma ukukhusela izixhobo zombane ezibuthathaka.
- Iinkqubo zoShishino:Ukuqinisekisa ukufuma okufanelekileyo kwiinkqubo zokuvelisa ukunyusa umgangatho wemveliso kunye nomgangatho wemveliso.
4. Ndingayifaka njani inzwa yokufuma ye-4-20mA ukuze ndisebenze kakuhle?
Ukuze usebenze ngokugqibeleleyo, landela ezi zikhokelo zokuhlohla:
- Indawo yoluvo:Beka uluvo kwindawo emele ufundo oluchanekileyo. Gwema izithintelo ezinokuchaphazela ukuhamba komoya ngeenxa zonke kwinzwa.
- Ulungelelwaniso:Lungiselela isivamvo ngokwezikhokelo zomenzi phambi kokusetyenziswa, kwaye uqwalasele uhlengahlengiso lwamaxesha ngamaxesha ukuchaneka okungaguqukiyo.
- Ukukhuselwa kwiZingcoliso:Khusela isivamvo kuthuli, ukungcola, kunye nezinto ezonakalisayo ezinokuchaphazela ukusebenza kwaso.
- Iingcingo ezifanelekileyo:Qinisekisa i-wiring echanekileyo kunye nekhuselekileyo ye-4-20mA ye-loop yangoku ukukhusela ukulahleka komqondiso okanye ukuphazamiseka kwengxolo.
- Ukubeka phantsi:Ukucofa ngokufanelekileyo inzwa kunye nezixhobo zokunciphisa ukuphazamiseka kombane.
5. Kufuneka ndenze kangaphi ulungiso kwinzwa yokufuma ye-4-20mA?
Ukugcinwa rhoqo kuxhomekeke kwimo engqongileyo yenzwa kunye neengcebiso zomenzi. Ngokubanzi, kufuneka:
- Hlola Rhoqo:Qwalasela inzwa kunye nendlu yayo ngomonakalo womzimba, ungcoliseko, okanye ukunxiba.
- Iitshekhi zokuJonga:Yenza iitshekhi zohlengahlengiso rhoqo kwaye uhlengahlengise ukuba kuyimfuneko, ngakumbi ukuba ukuchaneka kubalulekile kwisicelo sakho.
- Ukucoca:Coca inzwa njengoko kufuneka, ngokulandela izikhokelo zomenzi ukuphepha umonakalo.
Ngolwazi oluthe kratya okanye imibuzo malunga ne-4-20mA yeSensor yokufuma,
Nceda ungathandabuzi ukuqhagamshelana noHENGKO nge-imeyileat ka@hengko.com.
Iqela lethu liya kukuvuyela ukukunceda ngayo nayiphi na imibuzo onokuba unayo. Sijonge phambili ukuva kuwe!