RS 422 ni iki? Gusobanukirwa Urutonde rwitumanaho
Igipimo cya RS-422, kizwi kandi nka TIA / EIA-422, ni igice cyingenzi cyitumanaho. Ikoreshwa cyane mubikorwa byinganda nogukora. Ikoresha ibimenyetso bitandukanye hamwe na voltage iringaniye ya interineti kugirango ihererekanyamakuru ryizewe.
Ibipimo ngenderwaho byakozwe na Electronic Industries Alliance (EIA). Birazwi kuko nibyiza kohereza amakuru kure.
Igipimo cya RS-422 gifite ibintu byingenzi. Itandukanyirizo ryayo ritandukanye hamwe nuburinganire bwa voltage ya digitale ituma itunganywa neza kandi byihuse. Bikunze gukoreshwa mubitumanaho bikurikirana, aho kohereza amakuru ni ngombwa cyane.
Mu nganda no kwikora, RS-422 ifasha ibikoresho kuvugana. Nibyiza cyane kohereza amakuru maremare. Irakoreshwa kandi muburyo bwitumanaho, aho ihererekanyamakuru ari urufunguzo.
Imbonerahamwe
Ibyingenzi
StandardIbipimo RS-422 ni urwego rwitumanaho rukurikirana rukoresha ibimenyetso bitandukanye hamwe na voltage yuzuye ya interineti.
Ibipimo bikoreshwa cyane mubikorwa byinganda nogukora bitewe nubushobozi bwayo bwo gushyigikira amakuru maremare.
StandardIbipimo bya RS-422 nibyiza kubisabwa bisaba kohereza amakuru yihuse kandi yizewe.
Ibisanzwe bikoreshwa mubisanzwe bikurikirana itumanaho, aho kohereza amakuru ari ngombwa.
StandardIbipimo bya RS-422 bizwi kandi nka TIA / EIA-422.
Ibipimo bishyigikira ihererekanyamakuru hagati yibikoresho mu nganda no gukoresha mudasobwa.
Ibisobanuro bya tekinike ya RS-422
RS-422 ni protocole izwi cyane yo gutumanaho. Birazwiho kwizerwa no gukora neza. Ikoresha ibimenyetso bitandukanye, birwanya urusaku neza. Ubu buryo bwohereza amakuru hejuru yinsinga zigoramye, zigera kuri metero 1200 cyangwa metero 3.900.
RS-422 ikorana na top-point-to-topologiya hamwe na bisi ya bisi itandukanye. Mu ngingo-ku-ngingo, umushoferi umwe avugana nuwakira. Muri bisi ya multidrop, umushoferi umwe avugana nabakiriye benshi. Ibikoresho bigera kuri 32 birashobora guhuza muri bisi ya multidrop, hamwe numushoferi umwe hamwe na 31 yakira.
Imbonerahamwe ikurikira irerekana incamake yingenzi ya tekinike ya RS-422:
| Parameter | Agaciro |
| Intera ntarengwa | 1,Metero 200(3,Metero 900) |
| Ibikoresho ntarengwa | 32 (1umushoferi, 31 yakira) |
| Ubwoko bwa Cable | Intsinga ebyiri |
| Topologiya | Ingingo-ku-ngingo, bisi idafite icyerekezo |
Kumenya ibi bisobanuro ni urufunguzo rwo gushyiraho sisitemu RS-422. Ifasha kwemeza ko amakuru agenda yizewe kandi neza mugihe kirekire.
Urusobe Topologiya hamwe n'ibikoresho
Ihuriro rya Electronic Industries Alliance (EIA) ryashyizeho RS-422 mu 1975. Ryasimbuye RS-232C, ritanga umuvuduko mwiza, ubudahangarwa bw’urusaku, n'uburebure bwa kabili. Ibipimo ngenderwaho bishyigikira itumanaho ryuzuye, ryemerera icyarimwe kohereza amakuru no kwakira.
Umuyoboro wa topologiya ya RS-422 mubisanzwe ugizwe nigikoresho kimwe cyibanze hamwe nibikoresho byinshi byabacakara. Bahujwe bakoresheje ubwoko butandukanye bwihuza, nka DB-25 na DC-37.
Imwe mu nyungu zingenzi za RS-422 nubushobozi bwayo bwo gushyigikira uburebure bwa kabili. Ibi bituma biba byiza mubikorwa byinganda aho ibikoresho bikunze gutandukana nintera nini. Ubudahangarwa bw'urusaku rusanzwe kandi butanga amakuru yizewe, ndetse no mubidukikije bifite urwego rwo hejuru rwa interineti rwa interineti.
Iboneza ry'ibikoresho
Iboneza ry'ibikoresho ni ingenzi mu miyoboro ya RS-422. Igena urujya n'uruza rw'amakuru hagati y'ibikoresho. Igikoresho gikuru gisanzwe kigenzura inzira yitumanaho, kohereza amategeko kubikoresho byabacakara no kwakira amakuru mugusubiza.
Gukoresha itumanaho ryuzuye rya duplex rituma icyarimwe cyohereza amakuru no kwakira. Ibi byongera imikorere muri rusange.
Urusobe Topologiya
Urusobe topologiya ya RS-422 irashobora gushyirwaho muburyo butandukanye, bitewe na progaramu yihariye. Topologiya zimwe zisanzwe zirimo ingingo-ku-ngingo, ingingo-kuri-kugwiza, no kugwiza.
Guhitamo topologiya biterwa numubare wibikoresho, intera iri hagati yabyo, numuvuduko ukenewe wo kohereza amakuru. Mugusobanukirwa imiyoboro ya topologiya hamwe nibikoresho byabigenewe, abayikoresha barashobora guhuza imiyoboro yabo RS-422 kugirango amakuru yizewe kandi meza.
Ni irihe tandukaniro riri hagati ya RS-232 na RS-422
RS-232 na RS-422 biratandukanye cyane cyane uko bohereza ibimenyetso. RS-232 ikoresha ikimenyetso kimwe gusa. Kurundi ruhande, RS-422 ikoresha ibimenyetso bitandukanye. Ihinduka rigira ingaruka kubipimo byamakuru, ubwiza bwibimenyetso, nuburyo ibimenyetso bishobora kugenda.
RS-232C, iyagurwa rya RS-232, nayo ikoresha ikimenyetso kimwe. Ibi bigabanya ibipimo byamakuru hamwe nubuziranenge bwibimenyetso ugereranije na RS-422. Ibimenyetso bitandukanye bya RS-422, ariko, bishyigikira igipimo cyinshi cyamakuru hamwe nubuziranenge bwibimenyetso byiza cyane.
Kugereranya Ibimenyetso Biranga
Dore itandukaniro nyamukuru hagati ya RS-232 na RS-422:
RS-232: ikimenyetso kimwe gusa, ibimenyetso biri hasi, no kugabanya ubuziranenge bwibimenyetso hejuru yuburebure bwa kabili.
RS-422: ibimenyetso bitandukanye, igipimo cyamakuru kiri hejuru, hamwe nubuziranenge bwibimenyetso hejuru yuburebure bwa kabili.
Kugereranya Cable Ibisobanuro
Cable ibisobanuro nabyo biratandukanye hagati yabyo. Intsinga ya RS-422 irashobora gukora uburebure burebure kubera ibimenyetso bitandukanye. Ibi bituma ibimenyetso byerekana neza. Intsinga ya RS-232, ariko, ifite uburebure bugufi kubera ikimenyetso kimwe cyarangiye.
Muri make, guhitamo hagati ya RS-232 na RS-422 biterwa nibyo ukeneye. RS-422 nibyiza kubisabwa bikenera ibipimo bihanitse kandi birebire bya kabili. RS-232 nibyiza kubirometero bigufi hamwe nigipimo cyo hasi cyibikenewe.
Ni irihe tandukaniro riri hagati ya RS-422 na RS-485
RS-422 na RS-485 biratandukanye cyane muburyo bwabo nuburyo ibikoresho bihuza. RS-485 ikoresha bisi yubatswe, yemerera ibikoresho byinshi gusangira umurongo umwe. Nibyiza cyane gushiraho bikenera byinshi. RS-422, ariko, yagenewe guhuza bitaziguye hagati yingingo ebyiri.
RS-485 nibyiza kumishinga ikeneye ibikoresho byinshi kugirango tuvugane. Iragufasha guhuza abashoferi benshi kumurongo umwe. Ibi nibyiza mubikorwa byinganda aho ibikoresho byinshi bigomba kuvugana. RS-422, hamwe numushoferi umwe hamwe niyakira yakira, nibyiza kubitaziguye, ingingo-ku-ngingo.
Urusobe rwa topologiya: RS-485 ni bisi yubatswe, mugihe RS-422 ni top-point-topologiya
Ibikoresho by'ibikoresho: RS-485 yemerera abashoferi benshi niyakira, mugihe RS-422 ifite umushoferi umwe hamwe niyakira
Igipimo cy'umutwaro: RS-485 ifite ibipimo 12-kΩ, mugihe RS-422 ifite ibipimo bitandukanye
Kumenya itandukaniro riri hagati ya RS-422 na RS-485 ni urufunguzo rwo guhitamo igikwiye kumushinga wawe. Tekereza ku bwoko bwurusobe, uburyo ibikoresho bihuza, hamwe nuburemere bwimitwaro. Ibi bigufasha guhitamo ibipimo byiza kubyo ukeneye, byaba RS-422 cyangwa RS-485.
Ibyiza bya RS-422 Kurenza Ibindi Bipimo
RS-422 ifite inyungu nyinshi, cyane cyane mubikorwa byinganda nogukora. Irashobora gukora umubare munini wa sitasiyo, nziza kuri sisitemu nini. Ifite kandi imitwaro myinshi irwanya, yemeza ko amakuru yoherejwe yizewe.
Ibyiza mubikorwa byinganda
Mu nganda, RS-422 irabagirana hamwe na interineti iringaniye. Iyi mikorere irwanya urusaku kandi igakomeza kohereza amakuru neza. Kurangiza umugozi no kuranga inzitizi nabyo bigira uruhare runini mubikorwa bya sisitemu. RS-422 itanga amahuza agera kuri 64, bigatuma ikoreshwa muburyo bwinshi bwo gukoresha.
Ibyiza muri Automatic Porogaramu
Mu buryo bwikora, RS-422 ikoresha 0.5-ul transceiver kugirango ihererekanyamakuru ryihuse kandi itumanaho ryizewe. Nibyiza kandi kurwanya urusaku, urufunguzo rwibidukikije. RS-422 nicyambere cyo kwizerwa no gukora neza muri automatike, itoneshwa nababikora benshi hamwe nababishyira hamwe.
Porogaramu Rusange ya RS-422
RS-422 ikoreshwa mu nganda nyinshi kuko yizewe kandi yoroheje. Porogaramu ishingiye ku gishushanyo ituma itunganyirizwa ibikenewe bitandukanye. Irashobora gukora uburebure ntarengwa bwa kilometero 1, nibyiza kubikoresho bitandukanye.
Mu nganda, RS-422 ni urufunguzo rwa 1 km sisitemu ikenera ihererekanyamakuru ryihuse. Ibipimo byayo 100 kbps byerekana neza amakuru yihuse kandi yizewe. Byongeye, kwihanganira ± 20% bifasha ibikoresho kuvuga nubwo haba urusaku cyangwa kwivanga.
Inganda
RS-422 ni ikintu cyambere cyo gukoresha inganda nko gukora, kugenzura inzira, no kwikora. Ubushobozi bwayo bwo gukora intera ndende namakuru yihuse bituma biba byiza kubikoresho bitandukanye.
Porogaramu Yikora
Mu kwikora, RS-422 igenzura ikanagenzura ibikoresho nka moteri, pompe, na valve. Kwizerwa kwayo no guhinduka birahagije mugihe nyacyo cyo kugenzura no kugenzura.
| Gusaba | Ibisobanuro |
| Gukora inganda | RS-422 ikoreshwa mugucunga no kugenzura ibikoresho mubikorwa byo gutangiza inganda |
| Igenzura | RS-422 ikoreshwa mugucunga no kugenzura ibikoresho murwego rwo kugenzura ibikorwa |
| Kwikora | RS-422 ikoreshwa mugucunga no kugenzura ibikoresho mubisabwa byikora |
Kwishyiriraho no Kubungabunga
Mugihe ushyiraho ibikoresho bya RS-422, tekereza kuburebure bwa kabili n'ingaruka zabyo kumuvuduko wamakuru. Umugozi muremure urashobora kugabanya umuvuduko wo kohereza amakuru. Kurugero, umugozi wa m 500 ushyigikira 200 kbps gusa, ushobora kuba udahagije kubikenewe byose.
Guhitamo uburebure bwa kabili ni urufunguzo rwo kohereza amakuru yizewe. Umushoferi asohora voltage hamwe nuwakiriye voltage yinjira agomba guhura. Ibi birinda gutakaza amakuru cyangwa ruswa. Hamwe nimigozi ikwiye hamwe nibikoresho byashizweho, abakoresha barashobora kwirinda amakosa kandi bakemeza itumanaho ryoroshye.
Gushyira umugozi
Gushyira insinga neza ningirakamaro kugirango wirinde kwivanga no kwemeza ubuziranenge bwamakuru. Intsinga zibangikanye ninziza zo kugabanya urusaku no kunoza imbaraga zerekana ibimenyetso. Gukurikiza izi ntambwe bifasha mugushiraho neza kandi bigakomeza imikorere hejuru.
Iboneza ry'ibikoresho
Kugena ibikoresho neza ningirakamaro kuri RS-422. Abashoferi n'abakira bagomba gushyirwaho kugirango bakore neza hamwe. Urebye umuvuduko wamakuru hamwe nuburebure bwa kabili, abakoresha barashobora kubona imikorere myiza mubikoresho byabo.
Umwanzuro
Ibipimo bya RS-422 ni protocole y'itumanaho yizewe kandi itandukanye. Irakoreshwa cyane mubikorwa byinganda no kwikora. Inkunga yayo kumigozi miremire, igipimo cyamakuru kiri hejuru, hamwe nubudahangarwa bw urusaku bituma ihitamo hejuru.
Mugihe ikoranabuhanga rigenda ritera imbere, tuzabona iterambere ryinshi murwego RS-485 hamwe nibijyanye nabyo. Ibi birashoboka kuzana inyungu nyinshi kubakoresha.
Inshamake y'ingingo z'ingenzi
Ingingo ikubiyemo ibisobanuro bya tekinike ya RS-422, nkibimenyetso byayo nibikenewe. Yaganiriye kandi kuri topologiya ya topologiya no gushiraho ibikoresho. Byongeye, yagereranije RS-422 na RS-232 na RS-485.
Inyungu za RS-422 mu gukoresha inganda no gukoresha imashini byagaragaye. Porogaramu zisanzwe hamwe ninama zo kwishyiriraho nazo zaganiriweho.
Iterambere ry'ejo hazaza
Urebye imbere, guhuza rs-485 transceiver no guhindura inzitizi zinjira bishobora guteza imbere RS-422. Irashobora gushigikira ULS 32 kandi igakora 8x irenze RS-232.
Ibikoresho bisa nibisanzwe rs-485 / rs-422 transceiver iratera imbere. Ibi birerekana ejo hazaza heza kuri RS-422, yujuje ibyifuzo byinganda ninganda.
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