CAN Bus vs RS-485 Ni iyihe Protocole y'itumanaho nziza kurusha izindi

Gusobanukirwa na CAN Bus

Incamake

CAN Bus ni nziza kuko ari sisitemu ifite ubuhanga bwinshi. Ibi bivuze ko ibikoresho byinshi bishobora kuvuga bidakeneye umugenzuzi umwe mukuru. Ikoresha uburyo bwo kugenzura amakosa mu buryo bwihuse kugira ngo yohereze amakuru neza. Aho kwibanda ku aho ubutumwa buturuka cyangwa bujya, ireba icyo ubutumwa buvuga. Ibi bituma iba nziza ku mirimo ikorwa mu gihe nyacyo.

Sisitemu ya CAN ifite imiterere yihariye. Ikoresha amaframe y'amakuru afite ibice nka ID n'amashami y'amakuru. Ibi bice bifasha gutondeka ubutumwa no gutuma ibintu bigenda neza. Kuva yatangira mu 1993, sisitemu yateye imbere cyane. Mu 2018, verisiyo ya CAN XL yasohotse, igera ku muvuduko wa 10 Mbps.

Ibiranga by'ingenzi

CAN Bus ifite ibintu bimwe na bimwe byihariye. Ikoresha sisitemu yo gusakaza amakuru, bityo ibikoresho byose bishobora kumva ubutumwa. Ibi bifasha ibikoresho gukorana byoroshye. Inakosora amakosa ubwayo, ibyo bikaba ari ingenzi ku mutekano.

Ikindi kintu cyiza ni uko igenda neza. Ushobora guhuza ibikoresho bike cyangwa byinshi, kandi ikora neza. Irazigama kandi umuriro ubyutsa ibikoresho bimwe na bimwe gusa igihe bikenewe. Ibi bituma iba amahitamo akomeye kuri sisitemu zikomeye.

Porogaramu

Bus ya CAN yabanje gukorwa ku modoka ariko ubu ikoreshwa hose. Ushobora kuyisanga mu nganda, mu bitaro no mu nyubako. Urugero, ifasha ascenseur gukora neza kandi neza. Ubushobozi bwayo bwo kwiyubaka butuma iba nziza cyane mu kazi k'umutekano. Haba mu modoka, mu mashini, cyangwa mu nyubako, CAN Bus igaragaza akamaro kayo.

Gusobanukirwa RS-485

Incamake

RS-485 irakomeye kandi ikora neza mu ntera ndende. Ishyiraho amategeko agenga uko amakuru agenda n'ibimenyetso by'amashanyarazi bikora. Iyi sisitemu igenzura ahantu harangwa urusaku ikoresheje ibimenyetso biringaniye kugira ngo igabanye urusaku. Yohereza amakuru mu buryo bwizewe ihindura ibimenyetso by'amashanyarazi mu by'ikoranabuhanga. RS-485 ikoresha voltage ya +/- 200 mV, bigatuma yoroha mu buryo butandukanye. Ibi bituma iba amahitamo meza mu bidukikije bikomeye.

Ibiranga by'ingenzi

RS-485, yitwa kandi TIA-485 cyangwa EIA-485, ifite imikorere myiza. Ituma ibimenyetso byayo biringaniye bibuza urusaku, bifasha ahantu havugwa urusaku. Ituma ibikoresho byinshi bisangiza umuyoboro umwe, nka sisitemu ya Modbus cyangwa Profibus. RS-485 yemerera itumanaho ry’inzira ebyiri ku murongo umwe, witwa half-duplex. Ikora neza mu ntera ndende, bigatuma iba nziza ku nganda. Iyi miterere ituma RS-485 iba sisitemu yoroshye kandi yizewe.

Porogaramu

RS-485 ni nziza cyane ahantu hakenera itumanaho rya kure. Ikoreshwa mu nganda, mu nyubako, no mu bikoresho by'ingufu. Uzayisanga no muri gari ya moshi no mu mashini z'ubuvuzi. Ihuza ibikoresho byinshi ku muyoboro umwe, ndetse no ahantu hahurira urusaku. Urugero, mu nganda, ihuza sensor na controllers kugira ngo ibintu bikomeze gukora. RS-485 ikorana na sisitemu zishaje, bigatuma byoroha kuyikoresha mu nganda nyinshi.

Kugereranya CAN Bus na RS-485

Ibiciro by'amakuru

CAN Bus na RS-485 bifite umuvuduko utandukanye wa data. CAN Bus ishobora kugera kuri 1 Mbps. Ibi biragenda neza bihagije ku modoka no ku nganda. RS-485 ishobora kugera kuri 40 Mbps, ibyo bikaba byihuta cyane. Ariko RS-485 igenda buhoro mu ntera ndende. Urugero, iguma kuri 35 Mbps muri metero 10. Mu ntera ndende, imanuka ikagera kuri 1 Mbps. Umuvuduko n'intera ni ingenzi mu guhitamo hagati yazo.

Urusobe rw'itumanaho

RS-485 ikora neza ku ntera ndende. CAN Bus ishobora kohereza amakuru kuri metero 40 gusa kuri 1 Mbps. Ibi ni byiza kuri sisitemu nto nka network z'imodoka. RS-485 ishobora kohereza amakuru muri metero amagana. Ibi bituma iba nziza ku bikoresho binini nk'inganda cyangwa sisitemu z'inyubako. Iyo nkeneye guhuza ibikoresho biri kure, mpitamo RS-485.

Gukemura Ikosa

Gukemura amakosa ni ingenzi cyane ahantu harangwa urusaku. CAN Bus ifite ibikoresho byihariye byo gushaka no gukosora amakosa. Ikemura ibibazo nko guhuza ubutumwa cyangwa amakuru mabi ubwayo. RS-485 nta bikoresho ifite. Kugira ngo RS-485 ibe yizewe, hakenewe ibikoresho cyangwa porogaramu by'inyongera. Dore igereranya ryoroshye:

Ku bijyanye na sisitemu zizewe kandi zitekanye, nkunda CAN Bus.

Gushobora kwaguka

Gushobora kwaguka bivuze uburyo sisitemu ikura neza iyo hari ibikoresho byinshi. RS-485 ituma ibikoresho byinshi bisangiza umuyoboro umwe. Ibi bikora neza na sisitemu nka Modbus na Profibus. CAN Bus ikoresha uburyo bwa multi-master, bityo ibikoresho byinshi bishobora kuvuga icyarimwe. Nanone birinda guhurirana kw'ubutumwa byoroshye. Byombi bikura neza, ariko CAN Bus ni nziza kuri sisitemu zigoye zikenera gukorera hamwe mu buryo bwihuse.

Ikiguzi

Ikiguzi ni ingenzi cyane mu mishinga. RS-485 irahendutse kandi yoroshye kuyishyiraho. Ikorana neza na sisitemu zishaje, izigama amafaranga. CAN Bus ihenze cyane kubera imikorere yayo igezweho. Ibi birimo gukosora amakosa no gucunga ibikoresho byinshi. Ku mishinga iciriritse, RS-485 ni amahitamo meza. Ariko kuri sisitemu yizewe kandi yihuta, CAN Bus ikwiye ikiguzi cy'inyongera.

Guhitamo Porotokole Ikwiye

Inama zo gushyira mu bikorwa CAN Bus

Iyo ukoresha Bisi ya CAN, nkurikiza intambwe zimwe na zimwe zoroshye kugira ngo bikore neza:

• Komeza transceiver hafi y'aho icyuma gihuza: Intera ngufi yongera ubwiza bw'amajwi binyuze mu kugabanya ibibazo.

• Koresha ibimenyetso bya CAN Bus iruhande ku ruhande: Imirongo y'uburebure bumwe ifasha kwirinda kubangamirana no gutuma itumanaho rikomeza guhagarara.

• Ongeraho ibice by'uburinzi ku maserike: Diode ya TVS irinda sisitemu kwiyongera k'amashanyarazi mu bihe bikomeye.

• Koresha resistor zikwiye ku mpera z'umurongo: Ibi bihagarika amajwi y'amashanyarazi kandi bigatuma ibimenyetso biguma neza.

Izi nama zituma Bisi ya CAN ikomeye kandi yizewe, ndetse no mu miterere igoye.

Inama zo gushyira mu bikorwa RS-485

Kuri RS-485, nkoresha uburyo bworoshye kugira ngo nonoze imikorere yayo muri sisitemu zikora urusaku cyangwa zigera kure:

• Hitamo insinga zigoramye: Izi nsinga zigabanya urusaku rw'amashanyarazi, zigatuma ibimenyetso biguma neza mu ntera ndende.

• Shyiraho uburyo bwo gutandukanya ibintu mu buryo butekanye: Ibi bituma sisitemu ihora ihamye iyo nta bikoresho byohereza amakuru.

• Menya ubwoko bw'urusaku: Kumenya itandukaniro riri hagati y'urusaku rw'itandukaniro n'urusaku rw'uburyo bifasha gukemura ibibazo byihariye.

Izi ntambwe zirafasha RS-485 komeza kuba inyangamugayo, ndetse no mu bihe bigoye. Gukurikiza izi nama bitanga uburyo bwiza bwo gutumanaho.

Ibikoresho byiza byo gukoresha muri bisi ya CAN

Ndakugira inama yo gukoresha Bisi ya CAN mu bihe bisaba itumanaho ryihuse kandi ridafite amakosa. Bikora neza kuri:

• Imodoka n'ibinyabiziga: Ihuza sensors na controllers kugira ngo itumanaho ryihute kandi ryizewe.

• Imashini zo mu rugandaNi nziza cyane ku mashini zihuza ibintu zikenera igihe nyacyo.

• Ibikoresho by'ubuvuzi: Bituma ibikoresho by'ingenzi bisangiza amakuru nyayo vuba mu rwego rw'ubuvuzi.

Ubushobozi bwayo bwo gukosora amakosa no gucunga ubutumwa neza butuma iba nziza cyane ku mirimo ijyanye n'umutekano.

Isanduku nziza zo gukoresha kuri RS-485

RS-485 ni nziza cyane ahantu hakeneye itumanaho rya kure kandi hahendutse. Ni ingirakamaro cyane muri:

• Sisitemu z'ubwubatsi: Ihuza ibintu nko gushyushya n'amatara ahantu hanini.

• Ibikoresho by'ingufu: Ihuza ibipimo n'ibikoresho bigenzura amashanyarazi mu miyoboro y'amashanyarazi n'imashini zikoresha imirasire y'izuba.

• Sisitemu zishaje: Ikorana n'ibikoresho bishaje, bigatuma kuvugurura byoroha.

Igishushanyo cyayo cyoroshye kandi gikomeye gituma RS-485 amahitamo meza ku nganda nyinshi.

Impuguke za BSLBATT

Muri BSLBATT, nakoresheje byombi Bisi ya CAN na RS-485 mu mishinga myinshi. Buri imwe ifite imbaraga zayo. Guhitamo iyikwiye bishobora kunoza uburyo sisitemu ikora. Dore inama zimwe na zimwe mu byo nabonye.

Inama: Hitamo protocole ijyanye n'ibyo umushinga wawe ukeneye. Ibi bifasha kuzigama amafaranga no kongera imikorere.

Impamvu bisi ya CAN ari idasanzwe

Ndakugira inama Bisi ya CAN kuri sisitemu zikenera itumanaho ryihuse kandi ryizewe. Ubushobozi bwayo bwo gukemura amakosa butuma iba nziza mu kazi k'umutekano. Urugero, mu modoka zikoresha amashanyarazi, Bisi ya CAN ihuza sisitemu ya bateri hamwe n'ibindi bice. Ibi bituma amakuru asangizwa mu buryo bwizewe kandi bunoze, ibyo bikaba ari ingenzi cyane.

Impamvu RS-485 ari ingirakamaro

RS-485 ni byiza cyane mu kohereza amakuru mu ntera ndende. Nayikoresheje muri sisitemu z'izuba guhuza inverters na monitors mu bice binini. Ni ibintu byoroshye kandi bihendutse, bigatuma biba byiza ku bafite ingengo y'imari nto.

Ku kazi kanjye, kumenya icyo buri porotokoli ikora neza birafasha cyane. Muri BSLBATT, buri gihe ngamije guhanga ibisubizo bihuye na buri mushinga. Ibi bituma sisitemu zizewe kandi zikora neza buri gihe.

Guhitamo hagati Bisi ya CAN na RS-485 biterwa n'icyo sisitemu ikeneye. Bisi ya CAN ni nziza cyane mu gutumanaho byihuse kandi bidafite amakosa. RS-485 ikora neza cyane ku ntera ndende kandi ihendutse.

InamaKoresha Bisi ya CAN ku mirimo y'ingenzi nk'imiti y'imodoka. Hitamo RS-485 ku miyoboro yoroshye ikorera ahantu hanini.

Ibibazo Bikunze Kubazwa

Ni irihe tandukaniro rikomeye riri hagati ya CAN Bus na RS-485?

Itandukaniro rikomeye riri mu mbaraga zabo. Bisi ya CAN ni nziza cyane mu itumanaho ryihuse kandi ridafite amakosa. RS-485 ikora neza iyo ikora intera ndende kandi ihendutse.

Ese nshobora gukoresha protocole zombi muri sisitemu imwe?

Yego, byombi bishobora gukorana. Urugero, nkoresha Bisi ya CAN ku mirimo y'ingenzi no RS-485 yo kohereza amakuru kure muri sisitemu imwe.

Ni iyihe protocole yoroshye gushyiraho?

RS-485 byoroshye gushyiraho. Ikeneye ibikoresho na porogaramu bidakomeye cyane kurusha Bisi ya CAN, bigatuma biba byiza kuri sisitemu z'ibanze.

InamaKoresha RS-485 kugira ngo byoroshye gushyiraho no Bisi ya CAN kuri sisitemu zigezweho zikeneye umutekano n'umuvuduko.