Niki gisohoka 4-20mA?
1.) Intangiriro
4-20mA (milliamp) ni ubwoko bwamashanyarazi akoreshwa mugukwirakwiza ibimenyetso bisa mubikorwa byo kugenzura inganda no gukoresha sisitemu.Nukwikoresha wenyine, imbaraga nke zumubyigano zishobora kohereza ibimenyetso mumwanya muremure kandi binyuze mumashanyarazi urusaku rwamashanyarazi bitatesheje agaciro ibimenyetso cyane.
Urwego rwa 4-20mA rugereranya umwanya wa 16 milliamps, hamwe na milliamps enye zerekana agaciro ntarengwa cyangwa zeru byerekana ibimenyetso na 20 milliamps byerekana agaciro ntarengwa cyangwa byuzuye-byerekana ibimenyetso.Agaciro nyako kerekana ibimenyetso bisa koherezwa kodegisi nkumwanya uri mururwo rwego, hamwe nurwego rwubu ruringaniye nagaciro kikimenyetso.
Ibisohoka 4-20mA bikoreshwa kenshi mugukwirakwiza ibimenyetso bisa na sensor hamwe nibindi bikoresho byo murwego, nka progaramu yubushyuhe hamwe na transducers yumuvuduko, kugenzura no kugenzura sisitemu.Irakoreshwa kandi mu kohereza ibimenyetso hagati yibice bitandukanye muri sisitemu yo kugenzura, nko kuva kuri porogaramu ishobora gukoreshwa (PLC) kuri moteri ikora.
Mu gutangiza inganda, 4-20mA isohoka ni ikimenyetso gikunze gukoreshwa mugutanga amakuru kuva sensor hamwe nibindi bikoresho.Ibisohoka 4-20mA, bizwi kandi nkibizunguruka, nuburyo bukomeye kandi bwizewe bwo kohereza amakuru mumwanya muremure, ndetse no mubidukikije.Iyi nyandiko ya blog izasesengura ibyingenzi biva muri 4-20mA, harimo uburyo ikora nibyiza nibibi byo kuyikoresha muri sisitemu yo gutangiza inganda.
Ibisohoka 4-20mA ni ikimenyetso cyikigereranyo cyatanzwe hakoreshejwe imiyoboro ihoraho ya 4-20 milliamps (mA).Bikunze gukoreshwa mu kohereza amakuru ajyanye no gupima ingano yumubiri, nkumuvuduko, ubushyuhe, cyangwa umuvuduko.Kurugero, sensor yubushyuhe irashobora kohereza ibimenyetso bya 4-20mA bijyanye nubushyuhe bupima.
Imwe mu nyungu zingenzi zo gukoresha 4-20mA ibisohoka ni uko ari igipimo rusange muri automatike yinganda.Bisobanura ko ibikoresho byinshi, nka sensor, abagenzuzi, hamwe na moteri ikora, byashizweho kugirango bihuze nibimenyetso 4-20mA.Bituma kwinjiza ibikoresho bishya muri sisitemu iriho byoroshye, mugihe cyose bishyigikira 4-20mA ibisohoka.
2. output Nigute umusaruro wa 4-20mA ukora?
Ibisohoka 4-20mA byoherezwa hakoreshejwe loop igezweho, igizwe na transmitter hamwe niyakira.Ikwirakwiza, mubisanzwe ni sensor cyangwa ikindi gikoresho gipima ubwinshi bwumubiri, gitanga ikimenyetso cya 4-20mA ikohereza kubakira.Uwakiriye, mubisanzwe umugenzuzi cyangwa ikindi gikoresho gishinzwe gutunganya ibimenyetso, yakira ikimenyetso cya 4-20mA kandi agasobanura amakuru arimo.
Kugirango ikimenyetso cya 4-20mA gitangwe neza, ni ngombwa gukomeza guhora unyuze mumuzinga.Igerwaho hifashishijwe imiyoboro igabanya ubukana muri transmitter, igabanya ingano yumuriro ushobora gutembera mumuzunguruko.Kurwanya-bigarukira kurwanywa birwanya guhitamo icyifuzo cya 4-20mA kunyura mumuzinga.
Imwe mu nyungu zingenzi zo gukoresha ikizunguruka ni uko ituma ibimenyetso bya 4-20mA byoherezwa mu ntera ndende bitarinze kwangirika kw'ibimenyetso.Ni ukubera ko ikimenyetso cyoherezwa nkumuyoboro aho kuba voltage, idakunze kwivanga n urusaku.Mubyongeyeho, ibizunguruka birashobora kohereza ibimenyetso bya 4-20mA hejuru ya joriji zigoramye cyangwa insinga za coaxial, bikagabanya ibyago byo gutesha agaciro ibimenyetso.
3. Ibyiza byo gukoresha 4-20mA ibisohoka
Hariho inyungu nyinshi zo gukoresha umusaruro wa 4-20mA muri sisitemu yo gutangiza inganda.Zimwe mu nyungu zingenzi zirimo:
Ikimenyetso kirekire cyohereza:Ibisohoka 4-20mA birashobora kohereza ibimenyetso ahantu harehare hatabayeho kwangirika kw'ibimenyetso.Nibyiza gukoreshwa mubisabwa aho insimburangingo niyakira bitandukanye cyane, nko mu nganda nini zinganda cyangwa uruganda rukora amavuta yo hanze.
Igisubizo: Ubudahangarwa bw'urusaku:Ibizunguruka bigezweho birwanya cyane urusaku no kwivanga, bigatuma biba byiza gukoreshwa ahantu huzuye urusaku.Ni ngombwa cyane cyane mubikorwa byinganda, aho urusaku rwamashanyarazi ruva kuri moteri nibindi bikoresho bishobora gutera ibibazo bijyanye no kohereza ibimenyetso.
B: Guhuza hamwe nibikoresho byinshi:Nka 4-20mA ibisohoka nibisanzwe murwego rwo gutangiza inganda, birahuza nibikoresho byinshi.Bituma kwinjiza ibikoresho bishya muri sisitemu iriho byoroshye, mugihe cyose bishyigikira 4-20mA ibisohoka.
4.) Ibibi byo gukoresha 4-20mA ibisohoka
Mugihe umusaruro wa 4-20mA ufite ibyiza byinshi, hari ningaruka zo kubikoresha muri sisitemu yo gutangiza inganda.Muri byo harimo:
Igisubizo: Icyemezo kigarukira:Ibisohoka 4-20mA ni ikimenyetso cyikigereranyo cyatanzwe hakoreshejwe urwego ruhoraho rwagaciro.Nyamara, gukemura ibimenyetso bigarukira ku ntera ya 4-20mA, ni 16mA gusa.Ibi ntibishobora kuba bihagije kubisabwa bisaba urwego rwo hejuru rwibisobanuro cyangwa ibyiyumvo.
B: Biterwa no gutanga amashanyarazi:Kugirango ikimenyetso cya 4-20mA gitangwe neza, ni ngombwa gukomeza guhora unyuze mumuzinga.Ibi bisaba gutanga amashanyarazi, ashobora kuba ikiguzi cyinyongera kandi gikomeye muri sisitemu.Byongeye kandi, amashanyarazi arashobora kunanirwa cyangwa guhungabana, bishobora kugira ingaruka ku ihererekanyabubasha rya 4-20mA.
5.) Umwanzuro
Ibisohoka 4-20mA ni ubwoko bukoreshwa cyane mubimenyetso muri sisitemu yo gutangiza inganda.Yanduzwa ikoresheje imiyoboro ihoraho ya 4-20mA kandi yakiriwe hifashishijwe ikizunguruka kigizwe na transmitter hamwe niyakira.Ibisohoka 4-20mA bifite ibyiza byinshi, harimo kohereza intera ndende yoherejwe, ubudahangarwa bw’urusaku rwinshi, hamwe no guhuza ibikoresho byinshi.Ariko, ifite kandi ibibi bimwe, harimo gukemura bike no kwishingikiriza kumashanyarazi.Muri rusange, umusaruro wa 4-20mA nuburyo bwizewe kandi bukomeye bwo kohereza amakuru muri sisitemu yo gutangiza inganda.
Ni irihe tandukaniro riri hagati ya 4-20ma, 0-10v, 0-5v, na I2C Ibisohoka?
4-20mA, 0-10V, na 0-5V byose ni ibimenyetso bisa bikoreshwa mugukoresha inganda no mubindi bikorwa.Bakoreshwa mu kohereza amakuru ajyanye no gupima ingano yumubiri, nkumuvuduko, ubushyuhe, cyangwa umuvuduko.
Itandukaniro nyamukuru hagati yubwoko bwibimenyetso ni urwego rwindangagaciro bashobora kohereza.Ibimenyetso 4-20mA byoherezwa hakoreshejwe umuyoboro uhoraho wa 4-20 milliamps, ibimenyetso 0-10V byoherezwa hakoreshejwe voltage iri hagati ya volt 0 na 10, naho ibimenyetso 0-5V byoherezwa hakoreshejwe voltage iri hagati ya 0 na 5 volt.
I2C (Inter-Integrated Circuit) ni protocole y'itumanaho rya digitale ikoreshwa mu kohereza amakuru hagati y'ibikoresho.Bikunze gukoreshwa muri sisitemu yashyizwemo hamwe nizindi porogaramu aho ibikoresho byinshi bikenera kuvugana.Bitandukanye n'ibimenyetso bisa, byohereza amakuru nkurwego rukomeza rwagaciro, I2C ikoresha urukurikirane rwimibare ya digitale kugirango yohereze amakuru.
Buri bwoko bwibimenyetso bufite uburyo bwihariye nibibi, kandi guhitamo neza bizaterwa nibisabwa byihariye bya porogaramu.Kurugero, ibimenyetso 4-20mA akenshi bikundwa mugukwirakwiza ibimenyetso birebire hamwe no gukingira urusaku rwinshi, mugihe ibimenyetso 0-10V na 0-5V bishobora gutanga ibisubizo bihanitse kandi neza.I2C muri rusange ikoreshwa mu itumanaho rigufi hagati yumubare muto wibikoresho.
1. Urutonde rw'indangagaciro:Ibimenyetso 4-20mA byohereza umuyaga uri hagati ya 4 na 20 milliamps, 0-10V ibimenyetso byohereza voltage iri hagati ya volt 0 na 10, naho 0-5V itanga voltage iri hagati ya 0 na 5 volt.I2C ni protocole y'itumanaho rya digitale kandi ntabwo yohereza indangagaciro zikomeza.
2. Gukwirakwiza ibimenyetso:Ibimenyetso 4-20mA na 0-10V byoherezwa hakoreshejwe icyerekezo kigezweho cyangwa voltage.Ibimenyetso 0-5V nabyo byoherezwa hakoreshejwe voltage.I2C yanduzwa ikoresheje urukurikirane rwa pulses.
3. Guhuza:Ibimenyetso 4-20mA, 0-10V, na 0-5V mubisanzwe bihuza nibikoresho byinshi, kuko bikoreshwa cyane mumashanyarazi yinganda nibindi bikorwa.I2C ikoreshwa cyane cyane muri sisitemu yashyizwemo hamwe nizindi porogaramu aho ibikoresho byinshi bikenera kuvugana.
4. Umwanzuro:Ibimenyetso 4-20mA bifite ibyemezo bigarukira bitewe nurwego ruto rushobora kohereza (16mA gusa).Ibimenyetso 0-10V na 0-5V birashobora gutanga ibyemezo bihanitse kandi byukuri, bitewe nibisabwa byihariye bya porogaramu.I2C ni protocole ya digitale kandi ntabwo ifite imyanzuro nkuko ibimenyetso bisa bikora.
5. Ubudahangarwa bw'urusaku:Ibimenyetso 4-20mA birwanya cyane urusaku no kwivanga bitewe no gukoresha icyerekezo kigezweho cyo kohereza ibimenyetso.Ibimenyetso 0-10V na 0-5V birashobora kuba byoroshye urusaku, bitewe nishyirwa mubikorwa ryihariye.I2C muri rusange irwanya urusaku kuko ikoresha pulses ya digitale yohereza ibimenyetso.
Ninde ukoreshwa cyane?
Nubuhe buryo bwiza bwo gusohora ubushyuhe n'ubushyuhe?
Biragoye kuvuga uburyo bwo gusohora aribwo bukoreshwa cyane mubushyuhe n'ubushyuhe, kuko biterwa na sisitemu yihariye n'ibisabwa.Nyamara, 4-20mA na 0-10V bikoreshwa cyane mugukwirakwiza ubushyuhe nubushuhe mubushuhe mubikorwa byinganda nibindi bikorwa.
4-20mA ni amahitamo azwi cyane yohereza ubushyuhe nubushuhe bitewe nububasha bwayo hamwe nubushobozi bwo kohereza intera ndende.Irwanya kandi urusaku no kwivanga, bigatuma ikoreshwa neza ahantu huzuye urusaku.
0-10V nubundi buryo bukoreshwa cyane kubushyuhe n'ubushyuhe.Itanga ibisubizo bihanitse kandi byukuri kurenza 4-20mA, birashobora kuba ingenzi mubisabwa bisaba ibisobanuro bihanitse.
Kurangiza, uburyo bwiza bwo gusohora ubushyuhe nubushyuhe bwoherejwe bizaterwa nibisabwa byihariye.Ibintu bigera ku ntera iri hagati yohereza no kwakira, urwego rwukuri kandi rukemurwa rukenewe, hamwe nibidukikije bikora (urugero, kuba hari urusaku no kwivanga).
Nubuhe buryo bukuru bwa 4-20mA Ibisohoka?
Ibisohoka 4-20mA bikoreshwa cyane mumashanyarazi yinganda nizindi porogaramu bitewe nubushobozi bwayo hamwe nubushobozi bwo kohereza intera ndende.Bimwe mubisanzwe porogaramu ya 4-20mA isohoka harimo:
1. Kugenzura inzira:4-20mA ikoreshwa kenshi mugukwirakwiza ibintu bihinduka, nkubushyuhe, umuvuduko, nigipimo cy umuvuduko, kuva kuri sensor kugera kubagenzuzi muri sisitemu yo kugenzura imikorere.
2. Ibikoresho by'inganda:4-20mA isanzwe ikoreshwa mu kohereza amakuru yo gupimisha mubikoresho byinganda, nka metero zitemba hamwe na sensor urwego, kubagenzuzi cyangwa kwerekana.
3. Kubaka Automatisation:4-20mA ikoreshwa mukubaka sisitemu yo gukoresha kugirango ikwirakwize amakuru yubushyuhe, ubushuhe, nibindi bidukikije kuva kuri sensor kugeza kubigenzura.
4. Amashanyarazi:4-20mA ikoreshwa mumashanyarazi yingufu zohereza amakuru yo gupimwa kuva sensor hamwe nibikoresho kubagenzuzi no kwerekana.
5. Amavuta na gaze:4-20mA isanzwe ikoreshwa munganda za peteroli na gazi kugirango yohereze amakuru yo gupimwa kuva sensor hamwe nibikoresho mubibuga byo hanze no mumiyoboro.
6. Gutunganya amazi n’amazi:4-20mA ikoreshwa mumazi nogutunganya amazi mabi kugirango yohereze amakuru yo gupimwa kuva sensor hamwe nibikoresho kubagenzuzi no kwerekana.
7. Ibiribwa n'ibinyobwa:4-20mA ikoreshwa mu nganda y'ibiribwa n'ibinyobwa kugirango yohereze amakuru yo gupima kuva kuri sensor n'ibikoresho kubagenzuzi no kwerekana.
8. Imodoka:4-20mA ikoreshwa mu nganda zitwara ibinyabiziga kugirango yohereze amakuru yo gupimisha kuva kuri sensor n'ibikoresho kubagenzuzi no kwerekana.
Ushishikajwe no kumenya byinshi kubyerekeranye n'ubushyuhe bwa 4-20?Twandikire ukoresheje imerika@hengko.comkugirango ubone ibibazo byawe byose bisubizwe no kwakira andi makuru yerekeye ibicuruzwa byacu.Turi hano kugirango tugufashe gufata icyemezo cyiza kubyo ukeneye.Ntutindiganye kutugeraho - dutegereje kumva amakuru yawe!
Igihe cyo kohereza: Mutarama-04-2023
