Nigute ushobora gukemura ituze rya LED yerekana ibimenyetso?

Nigute ushobora gukemura ituze ryo kohereza ibimenyetso bya LED yerekana?Imikorere ya LED yerekana gitunguranye igaragara kubera ibibazo bya signal.Niba ari mumihango ikomeye yo gufungura, igihombo ntigisubirwaho.Nigute ushobora kumenya kwizerwa no gutuza kwerekanwa ibimenyetso byabaye ikibazo gikomeye kubashakashatsi kugirango bakemure.Muburyo bwo kohereza, ibimenyetso bizacogora uko intera yiyongera, bityo guhitamo uburyo bwo kohereza ni ngombwa cyane.

1. Kwiyongera kw'ikimenyetso cya LED cyerekana: Ntabwo bigoye kumva ko niyo uburyo bwakoreshwa gute mu kohereza, ibimenyetso bizagenda byiyongera mugihe cyo kohereza.Turashobora kubona insinga ya RS-485 nkumuzunguruko uhwanye ugizwe na rezistor nyinshi, inductors na capacator.Kurwanya insinga ntigira ingaruka nke kubimenyetso kandi birashobora kwirengagizwa.Ikwirakwizwa rya capacitance C ya kabili iterwa ahanini ninsinga ebyiri zibangikanye zahujwe.Gutakaza ibimenyetso biterwa ahanini na LC yo hasi-ya filteri igizwe na capacitance yagabanijwe hamwe no gukwirakwiza inductance ya kabili.Iyo urwego rwitumanaho ruri hejuru, niko ibimenyetso byiyongera.Kubwibyo, iyo umubare wamakuru yatanzwe atari munini cyane kandi igipimo cyo kohereza ntigisabwa cyane, muri rusange duhitamo igipimo cya baud cya 9 600 bps.

2. Kugaragaza ibimenyetso mumurongo witumanaho rya LED yerekana ecran: Usibye kwiyegereza ibimenyetso, ikindi kintu kigira ingaruka kumatumanaho ni ibimenyetso byerekana ibimenyetso.Impedance idahuye hamwe no guhagarika impedance nimpamvu ebyiri nyamukuru zitera ibimenyetso byerekana bisi.Impamvu ya 1: Kudahuza.Kudahuza impedance ahanini ni ukudahuza impedance hagati ya chip 485 n'umurongo w'itumanaho.Impamvu yo gutekereza ni uko iyo umurongo w'itumanaho uba udafite icyo ukora, ikimenyetso cy'umurongo w'itumanaho cyose cyarangiritse.Iyo ubu buryo bwo kwerekana ibimenyetso butera igereranya kwinjiza 485 chip, ikimenyetso cyamakosa kizabaho.Igisubizo cyacu rusange nukwongeramo kubogama kuburwanya runaka kumurongo wa A na B ya bisi, hanyuma ukayikurura hejuru no hasi ukwayo, kugirango hatabaho ibimenyetso bibi bitateganijwe.Impamvu ya kabiri nuko impedance idahagarara, bisa nibitekerezo biterwa numucyo winjira mubindi bikoresho biva muburyo bumwe.Ku iherezo ryumurongo wohereza, ikimenyetso gitunguranye gihura na gito cyangwa kidafite insinga, kandi ikimenyetso kizatera gutekereza aha hantu.Uburyo busanzwe bukoreshwa mugukuraho iki cyerekezo ni uguhuza umurongo urwanya ubunini buringaniye nkibiranga inzitizi ya kabili kumpera ya kabili kugirango inzitizi ya kabili ikomeze.Kubera ko ibimenyetso byohereza kuri kabili ari ibyerekezo byombi, irwanya itumanaho rinini rinini rigomba guhuzwa kurundi ruhande rwumugozi witumanaho.

3. Ingaruka za capacitance zagabanijwe za ecran ya LED yerekana kumikorere ya bisi: Umuyoboro wogukwirakwiza muri rusange uhujwe, kandi capacitance iba hagati yinsinga ebyiri zibangikanye zombi.Hariho nubushobozi buke busa hagati ya kabili nubutaka.Kubera ko ibimenyetso byanyujijwe muri bisi bigizwe na “1 ″ na“ 0 ″ bits, iyo ihuye na byite idasanzwe nka 0 × 01, urwego “0 ″ rutuma ubushobozi bwagabanijwe buhura nigihe cyo kwishyuza, nigihe imbaraga ni Iyo urwego “1 ″ ruje gitunguranye, amafaranga yakusanyirijwe hamwe na capacitor ntashobora gusohoka mugihe gito, ibyo bigatuma habaho ihinduka rya signal biti, hanyuma bikagira ingaruka kumiterere yamakuru yose.

4. Byoroheje kandi byizewe byitumanaho protocole ya LED yerekana ecran: Iyo intera yitumanaho ari mugufi kandi ibidukikije ntibishobora guhungabana, rimwe na rimwe dukenera gusa itumanaho ryoroheje rimwe gusa kugirango turangize imirimo yose yumushinga, ariko ibyinshi Porogaramu Ibidukikije ntabwo aribyo.icyifuzo.Mu cyiciro cyambere cyumushinga, haravuzwe muri make niba insinga ari umwuga (nko gukomeza intera runaka hagati yumurongo wikimenyetso n'umurongo w'amashanyarazi), kutamenyekana intera y'itumanaho, urugero rw'imivurungano ikikije umurongo w'itumanaho, niba umurongo w'itumanaho ukoresha insinga zigoramye zikingiwe insinga, nibindi. Ibi bintu byose ni sisitemu.Itumanaho risanzwe rifite ingaruka zikomeye.Kubwibyo, ni ngombwa cyane gushushanya protocole yuzuye y'itumanaho.


Igihe cyo kohereza: Werurwe-08-2022
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