Likarolo tsa libese tsa CAN:
1. Machabeng maemo a machaba a boemo ba liindasteri lebaleng bese, phetiso e tšepahalang, phahameng sebele nako;
2. Sebaka se selelele sa phetisetso (ho fihla ho 10km), lebelo la phetisetso e potlakileng (ho fihla ho 1MHz bps);
3. Bese e le 'ngoe e ka kopanya li-node tse 110,' me palo ea li-node e ka atolosoa habonolo;
4. Multi master structure, boemo bo lekanang ba libaka tsohle, marang-rang a loketseng a libaka, tšebeliso e phahameng ea libese;
5. Theknoloji ea phehisano ea libese e phahameng ea nako ea sebele, e sa senyeheng, ha ho tieho bakeng sa li-node tse tlang pele haholo;
6. Node e fosahetseng ea CAN e tla koala le ho khaola khokahanyo le bese, ntle le ho ama puisano ea libese;
7. Molaetsa ke oa sebopeho sa foreimi e khuts'oane 'me o na le cheke ea hardware ea CRC, e nang le menyetla e tlase ea tšitiso le sekhahla se tlase haholo sa liphoso tsa data;
8. Iketsetse ka tsela e iketsang hore na molaetsa o rometsoe ka katleho, 'me hardware e ka khona ho fetisetsa hape, ka botšepehi bo phahameng ba phetisetso;
9. Mosebetsi oa ho sefa molaetsa oa hardware o ka fumana boitsebiso bo hlokahalang feela, oa fokotsa moroalo oa CPU, 'me oa nolofatsa tokisetso ea software;
10. Mefuta e tloaelehileng e sothehileng, coaxial cable kapa fiber optical e ka sebelisoa e le mecha ea puisano;
11. Tsamaiso ea libese ea CAN e na le sebopeho se bonolo le ts'ebetso ea theko e phahameng.
Lintlha tsa RS485
1. Litšobotsi tsa motlakase tsa RS485: logic "1" e emeloa ke + (2-6) V phapang pakeng tsa mela e 'meli;Logic "0" e emeloa ke phapang ea motlakase pakeng tsa mela e 'meli e le - (2-6) V. Haeba boemo ba pontšo ea sebopeho se ka tlaase ho RS-232-C, ha ho bonolo ho senya chip ea potoloho ea sebopeho, le boemo bona bo lumellana le boemo ba TTL, bo ka thusang ho hokahanya le potoloho ea TTL;
2. Lebelo le phahameng la phetisetso ea data ea RS485 ke 10Mbps;
3. Khokahano ea RS485 ke motsoako oa mokhanni ea leka-lekaneng le moamoheli ea fapaneng, e leng ho matlafatsang bokhoni ba ho hanela tšitiso ea mokhoa o tloaelehileng, ke hore, tšitiso e ntle ea lerata;
4. Boleng bo phahameng ba sebaka sa phetisetso ea boleng bo tloaelehileng ba sebopeho sa RS485 ke maoto a 4000, a ka fihlang ho limithara tse 3000.Ho phaella moo, transceiver e le 'ngoe feela e lumelloa ho hokahanngoa le RS-232-C interface ka bese, ke hore, matla a seteishene se le seng.Sebopeho sa RS-485 se lumella li-transceivers tse fihlang ho 128 hore li hokahane ka bese.Ke hore, e na le bokhoni ba liteishene tse ngata, kahoo basebelisi ba ka sebelisa sebopeho se le seng sa RS-485 ho theha marang-rang a lisebelisoa habonolo.Leha ho le joalo, transmitter e le 'ngoe feela e ka fetisang beseng ea RS-485 ka nako efe kapa efe;
5. RS485 segokanyimmediamentsi sa sebolokigolo e ratoa haholo ka lebaka la e ntle lerata ho itšireletsa mafung, sebaka se selelele sa phetiso le bokhoni ba liteishene tse ngata.;
6. Hobane marang-rang a halofo ea duplex a entsoeng ka li-interface tsa RS485 hangata a hloka lithapo tse peli feela, likhokahano tsa RS485 li fetisoa ka para e sothehileng e sirelelitsoeng.
Phapang lipakeng tsa bese ea CAN le RS485:
1. Lebelo le sebaka: Sebaka se pakeng tsa CAN le RS485 se fetisitsoeng ka lebelo le phahameng la 1Mbit / S ha se feta 100M, se ka boleloang hore se tšoana ka lebelo le phahameng.Leha ho le joalo, ka lebelo le tlaase, ha CAN e le 5Kbit / S, sebaka se ka fihla ho 10KM, 'me ka lebelo le tlaase ka ho fetisisa la 485, se ka fihla feela ka 1219m (ha ho relay).Ho ka bonoa hore CAN e na le melemo e felletseng ea phetiso ea nako e telele;
2. Tšebeliso ea libese: RS485 ke mohaho o le mong oa makhoba, ke hore, ho ka ba le monghali a le mong ka beseng, 'me puisano e qalisoa ke eona.Ha e fane ka taelo, 'me li-node tse latelang ha li khone ho e romela,' me e hloka ho romela karabo hang-hang.Kamora ho fumana karabo, moamoheli o botsa node e latelang.Sena ke ho thibela li-node tse ngata ho romella data ho bese, ho baka pherekano ea data.Bese ea CAN ke sebopeho sa makhoba a mangata, 'me node e' ngoe le e 'ngoe e na le molaoli oa CAN.Ha li-node tse ngata li romella, li tla rarolla ka bo eona ka nomoro ea ID e rometsoeng, e le hore data ea bese e ka ba e ntle le e bohlasoa.Ka mor'a hore node e le 'ngoe e romele, node e' ngoe e ka lemoha hore bese e lokolohile 'me ea e romela hang-hang, e bolokang potso ea mong'a ntlo, e ntlafatsa lebelo la tšebeliso ea libese, le ho ntlafatsa lebelo.Ka hona, libese tsa CAN kapa libese tse ling tse tšoanang li sebelisoa lits'ebetsong tse nang le litlhoko tse phahameng tsa ts'ebetso joalo ka likoloi;
3. Mokhoa oa ho lemoha liphoso: RS485 e hlalosa feela lera la 'mele, empa eseng lera la khokahanyo ea data, kahoo e ke ke ea tseba liphoso ntle le haeba ho na le li-circuits tse khutšoanyane le liphoso tse ling tsa' mele.Ka tsela ena, ho bonolo ho senya node le ho romela data ho bese ka tsieleho (ho romela 1 ka linako tsohle), e tla holofatsa bese kaofela.Ka hona, haeba node ea RS485 e hlōleha, marang-rang a libese a tla emisa.Bese ea CAN e na le molaoli oa CAN, ea ka bonang phoso efe kapa efe ea bese.Haeba phoso e feta 128, e tla notleloa ka bo eona.Sireletsa bese.Haeba li-node tse ling kapa liphoso tsa bona li fumanoa, liforeimi tsa liphoso li tla romelloa beseng ho hopotsa li-node tse ling hore data e fosahetse.Hlokomelang, bohle.Ka tsela ena, hang ha lenaneo la node CPU ea bese ea CAN e baleha, molaoli oa eona o tla koala le ho sireletsa bese.Ka hona, marang-rang a nang le litlhoko tse phahameng tsa tšireletso, CAN e matla haholo;
4. Theko le litšenyehelo tsa koetliso: Theko ea lisebelisoa tsa CAN e ka ba habeli ho feta ea 485. Ka tsela ena, puisano ea 485 e bonolo haholo ho latela software.Hafeela u ntse u utloisisa puisano ea serial, u ka khona ho etsa lenaneo.Le hoja CAN e hloka hore moenjiniere oa tlase a utloisise lera le rarahaneng la CAN, 'me software e ka holimo ea k'homphieutha e boetse e hloka ho utloisisa protocol ea CAN.Ho ka boleloa hore litšenyehelo tsa koetliso li holimo;
5. Bese ea CAN e hokahane le bese ea 'mele ka CANH le CANL ea li-terminals tse peli tsa tlhahiso ea CAN controller interface chip 82C250.Theminale ea CANH e ka ba maemong a holimo feela kapa a emisitsoe, 'me terminal ea CANL e ka ba maemong a tlase kapa a emisitsoe.Sena se tiisa hore, joalo ka marang-rang a RS-485, ha tsamaiso e e-na le liphoso 'me li-node tse ngata li romela data ho bese ka nako e le' ngoe, bese e tla ba khutšoanyane, kahoo e senya li-node tse ling.Ho phaella moo, node ea CAN e na le mosebetsi oa ho koala lihlahisoa ka mokhoa o itekanetseng ha phoso e tebile, e le hore ts'ebetso ea li-node tse ling ka bese e se ke ea ameha, e le ho netefatsa hore ho ke ke ha e-ba le mathata a marang-rang, 'me bese e tla ba boemong ba "deadlock" ka lebaka la mathata a nodes ka bomong;
6. CAN e na le protocol e phethahetseng ea puisano, e ka lemohuoang ka CAN controller chip le chip ea eona ea sebopeho, kahoo e fokotsa haholo bothata ba nts'etsopele ea sistimi le ho khutsufatsa potoloho ea nts'etsopele, e ke keng ea bapisoa le RS-485 feela ka protocol ea motlakase.
Shenzhen Zhongling Technology Co., Ltd., ho tloha ha e thehoa ka 2013, e ikemiselitse ho sebetsa indastering ea liroboto tsa mabili, ho nts'etsapele, ho hlahisa le ho rekisa li-motor servo motors le bakhanni ba nang le ts'ebetso e tsitsitseng.Bakhanni ba eona ba likoloi tsa servo hub tse sebetsang hantle haholo, ZLAC8015, ZLAC8015D le ZLAC8030L, ba amohela puisano ea libese ea CAN/RS485, ka ho latellana ba tšehetsa liprothokholo tsa CiA301 le CiA402 tsa protocol ea CANopen protocol/modbus RTU, 'me e ka nyolohela ho lisebelisoa tse 16;E ts'ehetsa taolo ea maemo, taolo ea lebelo, taolo ea torque le mekhoa e meng ea ts'ebetso, 'me e loketse liroboto ka linako tse fapaneng, e khothaletsa haholo nts'etsopele ea indasteri ea liroboto.
Nako ea poso: Nov-29-2022