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Icyambu RS232 ni iki?
2024-11-06 10:52:21
Icyambu cya RS232 nicyerekezo cyitumanaho kizwi cyane cyemerera kohereza amakuru hagati yibikoresho. Igipimo cya RS232, cyatanzwe bwa mbere n’ishyirahamwe rya elegitoroniki y’inganda (EIA) mu myaka ya za 1960, byagaragaye ko ari ingenzi cyane mu guhuza ibikoresho bitandukanye bya Data Terminal (DTE), nka mudasobwa, n’ibikoresho byitumanaho (DCE), nka modem. Iyi protocole yari ingirakamaro muguhuza mudasobwa hakiri kare kandi iracyakoreshwa mubikorwa bimwe na bimwe byinganda kandi byinjijwe muri iki gihe.
Imbonerahamwe
- 1. Akamaro k'amateka
- 2. Kuki RS232 isigaye ari ngombwa?
- 3. Ibyingenzi byitumanaho ryuruhererekane
- 4. Porotokole ya RS232 Yasobanuwe
- 5. RS232 ikora ite?
- 6. Porogaramu Zisanzwe za RS232
- 7. Itandukaniro riri hagati ya RS232, RS485, na RS422 Icyambu
- 7. Itandukaniro hagati ya RS232, USB, na Ethernet Icyambu
- 8. Ibyiza nimbibi za RS232
Akamaro k'amateka
Mbere ya USB hamwe nandi masura yihuta, ibyambu bya RS232 byari ngombwa muguhuza mudasobwa kugiti cyawe nka printer, imbeba, nububiko bwo hanze. Igishushanyo cya RS232 cyakira itumanaho ryuzuye-duplex, ryemerera amakuru koherezwa no kwakirwa icyarimwe murwego rumwe.
Kuki RS232 isigaye ari ngombwa?
Nubwo izamuka ryimikorere mishya, RS232 ikomeza kuba iyagaciro kubera ubworoherane, kwiringirwa, no guhuza na sisitemu yumurage. Kurugero, imashini zinganda nibikoresho byubuvuzi biracyashingira kuri RS232 ihuza nka DB9 na DB25 bitewe nigihe kirekire kandi byoroshye gukemura ibibazo.
Ibyibanze byitumanaho
Itumanaho ryuruhererekane nuburyo bwibanze bwo kohereza amakuru hagati yibikoresho, aho amakuru yoherezwa buhoro buhoro binyuze mumurongo umwe wamakuru. Ubu buhanga butandukanye no gutumanaho kubangikanye, kohereza bits icyarimwe icyarimwe mumirongo myinshi. Itumanaho rya RS232 rirakunzwe cyane kubera ubworoherane, kwiringirwa, hamwe nubushobozi bwo gukora urugendo rurerure kuruta itumanaho risa.
RS232 Porotokole Yasobanuwe
Porotokole ya RS232 nigipimo gikoreshwa cyane muburyo bwo gutumanaho amakuru. Byasobanuwe n’ishyirahamwe rya elegitoroniki yinganda (EIA), ryerekana imiterere yubukanishi, amashanyarazi, nibikorwa bikora biranga intera iri hagati yamakuru ya Data Terminal (DTE), nka mudasobwa, hamwe nibikoresho byitumanaho (DCE), nka modem. Porotokole ituma ihererekanyamakuru ryinjira kumuyoboro umwe, rishyigikira itumanaho ryuzuye aho amakuru ashobora koherezwa no kwakirwa icyarimwe.
Nigute RS232 ikora?
Igipimo cya RS232 gikoresha tekinike itaziguye yo gutanga amakuru yuruhererekane. Amakuru yoherejwe buhoro buhoro kuva ku gikoresho kimwe ujya mu kindi binyuze mu kimenyetso kimwe cyarangiye hamwe na voltage yagenwe mbere na protocole yo guhana intoki. Imiterere ya RS232 ituma bikwiye intera ndende, itumanaho ryihuse hagati yibikoresho bisaba amakuru yizewe, yizewe.
Porotokole ya RS232 ikora ikoresheje urwego rwerekana ibimenyetso neza, ibipimo bya pin, hamwe nuburyo bwo kugenzura ibintu. Gukoresha gutangira no guhagarika bits muburyo butagabanije byerekana neza, mugihe ibyuma hamwe na software ikora intoki birinda amakuru gutemba. Ubushobozi bwo kohereza amakuru kubiciro byasobanuwe na baud hamwe nubuziranenge bwa voltage ituma RS232 ihinduka ryizewe, rikomeye ryitumanaho ryitumanaho haba mumurage ndetse na sisitemu yinganda.
Porogaramu Rusange ya RS232 Ibyambu
Icyambu cya RS232 gikomeje gukoreshwa henshi muri sisitemu zitandukanye zinganda, iz'ubucuruzi, ndetse n’injizwamo nubwo hashyizweho uburyo bushya bwo gutumanaho. Kwizerwa kwayo, ubworoherane, hamwe ninkunga itumanaho rirerire bituma RS232 ari ntangarugero mubisabwa aho gutuza no koroshya gukemura ibibazo aribyo byingenzi.
Ibikoresho byinganda nubucuruzi
Mu nganda zikora inganda, ibyambu bya RS232 nibyingenzi muguhuza porogaramu zishobora gukoreshwa (PLC), sensor, nibikoresho by ibikoresho. Icyambu gikurikirana gifasha ihererekanyamakuru rihamye hagati yibikoresho hejuru yintera yagutse, ni ngombwa mu nganda, imirongo yiteranirizo, hamwe na sisitemu yo kugenzura inzira. Ingero zirimo:
Itumanaho rya PLC: Emerera kugenzura byimashini.
Sisitemu ya SCADA: Kugenzura no kugenzura amakuru bishingiye kuri RS232 kugirango amakuru yizewe avuye mubikoresho bya kure.
Ibyuma byinganda n'ibikoresho byo gupima: RS232 itanga amakuru yukuri mugihe kirekire.
RS232 muri Networking na Modem Itumanaho
Modem nibikoresho byo murusobe byari mubambere bakiriye RS232. RS232 ituma itumanaho ryuzuye-duplex, ryemerera amakuru gutembera mubyerekezo byombi icyarimwe, ibyo nibyingenzi mubitumanaho.
Ibyingenzi byingenzi muriki cyiciro birimo:
Modem ihuza: RS232 yorohereza itumanaho ryizewe hagati ya mudasobwa na modem zo kohereza amakuru kumurongo wa terefone.
Inzira ya console ya porte: Routers nyinshi iracyakoresha RS232 muburyo bwambere bwo gukemura no gukemura ibibazo binyuze muri konsole.
RS232 muri sisitemu yashyizwemo
Ubworoherane bwa RS232 butuma biba byiza kuri microcontrollers hamwe nibikoresho byashyizwe mubikorwa nka robotics, automatike, na prototyping ya electronics. Muriyi miterere, RS232 itanga inzira itaziguye yo kohereza amakuru hagati ya sisitemu yashyizwemo na periferiya.
Imigaragarire ya Microcontroller: Microcontrollers ikunze gushyiramo ibyambu bya RS232 kugirango ivugane na mudasobwa zo gutangiza gahunda no gukemura.
Sisitemu yo kugenzura imashini: RS232 ikoreshwa mugucunga ibinyabiziga, moteri, hamwe na moteri muri robo.
Ibikoresho byo gusuzuma: Ibikoresho byo gusuzuma no gukoresha ibinyabiziga akenshi bikoresha RS232 kugirango utange amakuru akomeye.
Itandukaniro hagati ya RS232, RS485, na RS422 Icyambu
Imbonerahamwe yo kugereranya: RS232 na RS485 na RS422| Ikiranga | RS232 | RS485 | RS422 |
| Ubwoko bw'ikimenyetso | Impera imwe | Itandukaniro | Itandukaniro |
| Intera | Kugera kuri metero 15 | Kugera kuri metero 1200 | Kugera kuri metero 1200 |
| Igipimo cyamakuru | Kugera kuri 115.2 kbps | Kugera kuri 10 Mbps | Kugera kuri 10 Mbps |
| Ubwoko bwihuza | Ingingo-ku-ngingo | Ibitonyanga byinshi (bigera kuri 32) | Ingingo-ku-ngingo cyangwa byinshi-bitonyanga |
| Ubudahangarwa bw'urusaku | Hasi | Hejuru | Hejuru |
| Porogaramu | Sisitemu yumurage, modem | Gukoresha inganda | Ubuvuzi, ibikoresho |
Itandukaniro nyamukuru hagati ya RS232, RS485, na RS422 riri muribo ubwoko bwibimenyetso, urutonde, igipimo cyamakuru, inkunga yibikoresho byinshi, hamwe na porogaramu.
RS232 ikoresha impera imwe amarenga, ibyo bigatuma byoroha cyane urusaku no kwivanga, mugihe RS485 na RS422 bakoresha ibimenyetso bitandukanye, byohereza ibimenyetso nkibice bibiri byumuvuduko wuzuzanya kugirango bitange ubudahangarwa bw’urusaku, cyane cyane intera ndende.
Kubireba intera n'umuvuduko, RS232 ni ingirakamaro kubisabwa bigufi, bigarukira kuri metero 15 nibiciro biri hasi. RS485, ariko, irashobora gukora intera igera kuri metero 1200, nubwo kumuvuduko muke, bigatuma ikwiranye ninganda nini zinganda. RS422 irashobora kandi kugera kuri metero 1200 kandi, yagenewe ingingo-ku-ngingo cyangwa imipaka myinshi-itondekanya, itanga igipimo cyamakuru kiri hejuru ya RS232.
Kuri itumanaho ryibikoresho byinshi, RS485 igaragara mugushigikira ibikoresho bigera kuri 32 kuri bisi imwe, bigatuma biba byiza kumiyoboro myinshi. Ibinyuranye, RS232 yemerera gusa guhuza ingingo-ku-ngingo, kugarukira ku bikoresho bibiri, mu gihe RS422 ishobora gutwara imashini nyinshi ariko umushoferi umwe gusa, bigatuma iba ingirakamaro mu mikorere ikenera itumanaho hamwe n’ibikoresho bigera ku 10.
Kubyerekeye Porogaramu, RS232 ikoreshwa cyane mubikoresho byumurage hamwe nibikoresho bya elegitoroniki. RS485 ihitamo gukoresha automatike yinganda kugirango igenzure ibikoresho byinshi intera ndende, mugihe RS422 ikoreshwa mubikoresho byubuvuzi hamwe n’umuvuduko mwinshi, urwanya urusaku rwitumanaho.
Itandukaniro Hagati ya RS232, USB, na Ethernet Icyambu
| Ikiranga | RS232 | USB | Ethernet |
| Igipimo cyamakuru | Kugera kuri 115.2 kbps | Kugera kuri 20 Gbps | Kugera kuri 10 Gbps no kurenga |
| Intera | Kugera kuri metero 15 | Mubisanzwe bigera kuri metero 5 | Kugera kuri metero 100 (umuringa) |
| Ubwoko bwihuza | Ingingo-ku-ngingo | Hub-ishingiye, ibikoresho byinshi | Urusobe, ibikoresho byinshi |
| Abahuza | DB9, DB25 | USB-A, USB-B, USB-C | RJ45 |
| Porogaramu | Inganda, umurage | Ibikoresho bya elegitoroniki | Imiyoboro, interineti |
Itandukaniro ryingenzi hagati ya RS232, USB, na Ethernet nizo zabo igipimo cyamakuru, umurongo uhuza, ubwoko bwihuza, nibisanzwe bisanzwe. RS232 ikora ku muvuduko muke, hamwe na 115.2 kbps ntarengwa, bigatuma biba byiza guhanahana amakuru byoroshye. Ku rundi ruhande, USB itanga igipimo cyihuse cyamakuru, hamwe na USB 2.0 igera kuri 480 Mbps na USB 3.x ishyigikira Gbps 20, bigatuma ibikoresho byohereza amakuru vuba. Ethernet irusha imbaraga muburyo bwimishinga, hamwe n'umuvuduko wa 10 Gbps cyangwa irenga, bigatuma biba byiza kubidukikije bisabwa bisaba amakuru yihuse kandi adahagarara.
Iyo bigeze intera, RS232 igarukira kuri metero 15 kandi ishyigikira ibikoresho bibiri gusa, ikabuza gukoresha intera ngufi. USB, muri rusange ifunze kuri metero 5, irashobora guhuza ibikoresho byinshi binyuze muri hub. Ethernet, ariko, ishyigikira metero 100 hejuru yumugozi wumuringa, ikaguka cyane hamwe na fibre optique, bigatuma biba byiza guhuza intera ndende mubiro nu miyoboro yinganda.
Kubireba Ubwoko bwihuza, RS232 ishyigikira gusa itumanaho-ingingo-itumanaho, igarukira kubikoresho bibiri. USB itanga imiyoboro ishingiye kuri hub, yemerera ibikoresho byinshi kuvugana binyuze ku cyambu kimwe. Ethernet yemerera imiyoboro myinshi-imiyoboro, nkuko router na switch bihuza ibikoresho byinshi murusobe.
RS232 ikoreshwa cyane mumurage nibikoresho byinganda bisaba itumanaho ryoroshye, ryiringirwa. USB ikoreshwa cyane mubikoresho bya elegitoroniki, cyane cyane kuri periferi nka clavier, printer, na drives yo hanze. Ethernet ningirakamaro mubidukikije, ifasha interineti yihuta na LAN ihuza haba mubucuruzi ndetse nubucuruzi.
Ibyiza nimbibi za RS232
Ibyambu bya RS232 byabaye ingenzi mu itumanaho ryuruhererekane mu myaka mirongo, bikoreshwa cyane cyane muri sisitemu z'umurage, inganda pc Ubushinwa ibikoresho, n'ibikoresho byashyizwemo. Nubwo izamuka ryibipimo bishya nka USB na Ethernet, RS232 ikomeza kuba ingirakamaro mubikorwa byihariye kubera ibyiza byayo hamwe nimbogamizi.
Ibyiza bya RS232
Ubworoherane: RS232 ni protocole itaziguye, nibyiza kubisabwa bisaba itumanaho ryibanze, ryihuta ryihuse ridafite gahunda igoye. Ibyuma na software bisabwa ni bike, byoroshye gushyira mubikorwa no gukoresha.
Urusaku rw urusaku: RS232 ikorana numuyoboro mugari (-3V kugeza -15V kuri logique "1" na + 3V kugeza + 15V kuri "0" yumvikana), itanga buffer irwanya kwangirika kw'ibimenyetso no kwivanga. Iyi mikorere ni ingirakamaro cyane cyane mubidukikije aho urusaku rusanzwe. Iyi ngingo ni ingirakamaro cyane muri ibinini byo gukora hasi, aho urusaku rusanzwe.
Kwizerwa: Gukoresha RS232 kuva kera muri sisitemu yumurage birerekana ko biramba kandi byiringirwa. Bifatwa cyane nkibihamye kandi byateganijwe, hamwe nibipimo bike byamakosa, bigatuma bikwiranye nibikoresho nka mudasobwa zigendanwa zigurishwa aho ubunyangamugayo bwamakuru ari ngombwa.
Igiciro-Cyiza: Ibikoresho bya RS232 hamwe ninsinga mubisanzwe bihendutse kandi birahari henshi. Uku gukoresha-gukora neza bituma RS232 ihitamo mubikorwa bidasaba ibiciro byamakuru menshi cyangwa intera ndende.
Itumanaho rya point-to-point: RS232 ihuza-ingingo-ihuza itumanaho ryitumanaho hagati yibikoresho bibiri, bishobora kugabanya urusobekerane rwurusobekerane hamwe nibishobora guhura namakuru aboneka mumiyoboro myinshi yibikoresho.
Imipaka ya RS232
Igipimo gito cyamakuru: Igipimo ntarengwa cya RS232 ni hafi 115.2 kbps, kikaba gitinda cyane kurenza ibipimo bigezweho nka USB (kugeza kuri 20 Gbps) na Ethernet (10 Gbps cyangwa irenga). Igipimo gito cyamakuru kigabanya RS232 ikwiranye na porogaramu zisaba kohereza amakuru yihuse, nka inganda pc hamwe na gpu.
Intera ntarengwa: RS232 igarukira kuri metero 15 mubihe byiza, bigatuma idakwiye gutumanaho kure. Iyi mbogamizi igabanya imikoreshereze yayo muri sisitemu nini cyangwa ikwirakwizwa cyane, nka rimonabant pc Kwinjiza.
Itumanaho ry'igikoresho kimwe: RS232 ishyigikira itumanaho-ku-ngingo gusa, bivuze ko rishobora guhuza ibikoresho bibiri gusa. Bitandukanye na RS485, yemerera ibikoresho byinshi kumurongo umwe, RS232 ntabwo ari byiza kubisabwa bisaba itumanaho ryinshi cyangwa imiyoboro ihuza imiyoboro, nk'ibirimo 2u inganda pc.
Umuyoboro munini: RS232 isanzwe ikoresha DB9 cyangwa DB25 ihuza, nini kandi ntago yoroshye ugereranije na USB ihuza na Ethernet. Ibi birashobora gutuma RS232 igorana gukoresha mubikoresho byoroshye, bigarukira kumwanya muto, nka sasita pc Gushiraho.
Ibisabwa ingufu: RS232 ibura ubushobozi bwo gutanga imbaraga kumurongo wamakuru, bitandukanye na USB, ishobora gukoresha ibikoresho bihujwe. Iyi mbogamizi isaba imbaraga zinyongera, wongeyeho ibintu bigoye mugihe amashanyarazi atangwa kumurongo witumanaho byagira akamaro inganda zinganda pc odm ibikoresho.
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