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MODBUS RTU joale e tsamaisana le puisano ea Ethernet
Litaba tsa Indasteri

MODBUS RTU joale e tsamaisana le puisano ea Ethernet

2024-07-12

Selelekela: Tlhokeho ea Ethernet ea Liindasteri Mehleng ea 4.0 ea Liindasteri

Indasteri 4.0 ke mehla ea bohlale bo fihlellehang ka ts'ebeliso ea theknoloji ea tlhahisoleseling. Lifeme tse bohlale ke e 'ngoe ea maemo a mantlha a ts'ebeliso ea Indasteri 4.0, li sebelisa lisebelisoa tse bohlale le theknoloji ea tlhahisoleseling ho fihlela boiketsetso, bohlale le ho tenyetseha lits'ebetsong tsa tlhahiso le tsamaiso. Ho hokela lisebelisoa tse fapaneng tsa tlhahiso, plcs, disensor, disebediswa, diroboto tsa diindasteri, disebediswa tsa mochini wa CNC, le disebediswa tse ding ka hara fektheri e bohlale ho fihlella marangrang a disebediswa le ho arolelana data, ka hona ho fihlella mosebetsi wa tshebedisano mmoho le tsamaiso e ntlafetseng, ho thusa ho ntlafatsa bokgoni ba tlhahiso, ho fokotsa ditjeo tsa tlhahiso, le ho ntlafatsa boleng ba sehlahiswa.

Mokhoa oa ho fihlella khokahano ea indasteri le ho nolofalletsa MODBUS RTU ho buisana ka likou tsa marang-rang?


Modbus RTU ke eng?

Modbus RTU ke protocol ea puisano e latellanang e sebelisetsoang ho hokahanya lisebelisoa tsa elektroniki tsa indasteri tse kang balaoli ba logic ba ka hlophisoang (PLCs), li-sensor, li-actuator, jj. Protocol ena e hlalosa sebopeho sa molaetsa se lumellang puisano lipakeng tsa lisebelisoa tsena ho fihlela phetiso ea data le ts'ebetso ea litaelo tsa taolo. Likarolo tse ka sehloohong tsa protocol ea Modbus RTU li kenyelletsa:


·Puisano ea serial: E sebelisa mokhoa oa puisano ea serial 'me e loketse puisano lipakeng tsa lisebelisoa ka likhokahano tsa' mele tse kang RS-232, RS-485, jj.

·Mokhoa oa lekhoba le leholo: Puisano e thehiloe holim'a moralo oa lekhoba le leholo, moo sesebelisoa se seng se sebetsang joalo ka mong'a sona 'me se ikarabella bakeng sa ho qala likopo tsa puisano, ha lisebelisoa tse ling li sebetsa joalo ka makhoba 'me li arabela likopo tsa mong'a sona.

·Sebopeho sa molaetsa: se hlalosa sebopeho sa molaetsa, ho kenyeletsoa aterese ea sesebelisoa, khoutu ea ts'ebetso, data le tlhahlobo ea liphoso, ho netefatsa phetiso le ts'ebetso e nepahetseng ea tlhahisoleseling.

·Ho lumellana ho pharaletseng: Protokhole ea Modbus RTU e sebelisoa haholo litsamaisong tse fapaneng tsa othomathike ea indasteri ka lebaka la ho buleha ha eona le bonolo ba ho e kenya tšebetsong.


Phapang Pakeng tsa Modbus RTU le Modbus TCP

Modbus RTU le Modbus TCP ke mekhoa e 'meli e fapaneng ea puisano, ka phapang ea lebelo la phetisetso ea data, mekhoa ea phetisetso ea data, le maemo a sebetsang. Modbus RTU e loketse haholoanyane phetisetso ea data lipakeng tsa lisebelisoa tse hole, ha Modbus TCP e loketse haholoanyane phetisetso ea data ea nako ea sebele lipakeng tsa lisebelisoa.


Libaka tsa Ts'ebeliso tsa Modbus RTU


Setšoantšo sa 19jm


Boiketsetso ba indasteri


Ka ntshetsopele e tswelang pele ya boiketsetso ba diindasteri, Modbus RTU e sebediswa haholo disebedisweng tse fapaneng tsa boiketsetso ba diindasteri, tse kang PLC, disensara, jj. Ka Modbus RTU, re ka fihlella tlhokomelo le taolo ya hole, ra ntlafatsa bokgoni ba tlhahiso.


Inthanete ea Lintho


Nts'etsopele ea theknoloji ea IoT e boetse e fane ka maemo a mangata a ts'ebeliso bakeng sa Modbus RTU. Ka ho hokahanya lisebelisoa tse fapaneng le marang-rang, re ka fihlella tlhokomelo le taolo ea lisebelisoa hole, ra ntlafatsa boemo ba tsona ba bohlale.


Masimo a mang

Ntle le boiketsetso ba indasteri le Inthanete ea Lintho, Modbus RTU e ka boela ea sebelisoa masimong a mang a kang metse e bohlale, lipalangoang tse bohlale, matlo a bohlale, jj.


Na MODBUS RTU le eona e ka buisana ka likou tsa Ethernet?


Li-module tsa IO tse Isolated tse sa Sireletsehang ka Hare (2) t1c


Boiketsetso ba indasteri


Ho na le disebediswa tse fapaneng tse hodileng tse ka fetolelang MODBUS RTU (serial port) ho MODBUS TCP (Ethernet interface) bakeng sa puisano, tse tsejwang hangata e le di-converter tsa protocol, di-gateway, kapa di-server tsa serial. Mefuta e meng e tlwaelehileng ya dihlahiswa ke ena:

 

1. Heke ea Protocol ea Modbus: Liheke tsena li tšehetsa liprothokhole tse ngata tsa Modbus, ho kenyeletsoa Modbus TCP/RTU/ASCII, 'me li na le bokhoni ba ho fetolela protocol.


2. Sefetoleli sa Protocol: Mofuta ona wa sesebediswa o ka fetola protocol ya MODBUS RTU ho protocol ya MODBUS TCP/IP, e nolofalletsang phetiso ya data hodima Ethernet.


3. Seva sa serial port: Seva sa serial port ke sesebediswa se ka fetolang puisano ya serial hore e be puisano ya netweke, e leng se dumellang disebediswa tsa MODBUS RTU ho buisana ka netweke.


4. Sefetoleli sa Sebopeho: Bafetoleli ba bang ba sebopeho ba khona ho fetolela pakeng tsa Modbus RTU le Modbus TCP.

5. Kgoro ya IoT ya Diindasteri: Disebediswa tsena ha di tshehetse feela phetoho ya protocol, empa hape di fana ka mesebetsi e eketsehileng ya IoT, jwalo ka pokello ya data, khomphutha ya moedi le kgokelo ya leru. Tharollo e thehilweng sethaleng sa taolo ya khoutu e tlase se boletsweng ho sona e ka nolofatsa tshebetso ya ntshetsopele, ya fokotsa ditjeo, le ho ntlafatsa bokgoni ba ntshetsopele.


Setšoantšo sa Puisano


Ho fihlella puisano ea Modbus RTU ka likou tsa Ethernet, hangata ho hlokahala sesebelisoa sa ho fetolela sa serial ho ea ho Ethernet.


Setšoantšo sa 30mv

Setšoantšong sena, sesebelisoa sa serial se hokahantsoe le converter ka sebopeho sa RS-485. Converter e fetola lipakete tsa protocol tsa Modbus RTU hore e be sebopeho sa Modbus TCP/IP ebe e li romela marang-rang ka Ethernet. Kamora ho amohela data, sesebelisoa se amohelang se etsa mesebetsi kapa likarabo tse tsamaellanang.



Sephetho

Modbus RTU e na le melemo e mengata bakeng sa phetiso ya hole, ho kenyeletswa le ditjeo tse tlase, bokgoni bo phahameng ba phetiso, le bokgoni bo matla ba ho thibela tshitiso. Nakong e tlang, ka ntshetsopele e tswelang pele ya mahlale a kang Inthanete ya Dintho le khoutu e tlase, motswako wa dikou tsa Modbus RTU le Ethernet o tla sebediswa haholo, o fane ka tshehetso e matla bakeng sa boiketsetso ba diindasteri le bohlale.


Nakong e tlang, ho tla ba le disebediswa tse ngata tsa IoT, mme phetiso ya data e tla ba taba ya bohlokwa bakeng sa dikopo tsa IoT. Ka ho kopanya Modbus RTU le dikou tsa Ethernet, phetiso ya data ya disebediswa tse fapaneng tsa IoT e ka fihlellwa, ho fihlela ditlhoko tsa phetiso ya data tsa maemo a fapaneng. Ho sa le jwalo, ka ntshetsopele ya khoutu e tlase le mahlale a mang, phetiso ya data e tla ba bonolo, e potlake, mme e sebetse hantle. Ka hona, motswako wa dikou tsa Modbus RTU le Ethernet o tla bapala karolo ya bohlokwa dikopong tsa IoT tsa nakong e tlang mme o be le monyetla o moholo wa tshebediso.