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Modbus pa RS485: Buku Lowunikira Mozama ndi Kukhazikitsa

2024-08-13 16:29:49

Udindo wa makina odzipangira okha m'mafakitale ukusintha nthawi zonse, ndipo pakati pa kulumikizana kogwira mtima mkati mwa makina odzipangira okha pali njira yolimba ya Modbus kuposa RS485. Njira yolumikizirana iyi yakhala yothandiza kwa nthawi yayitali, ndipo yakhala yofunika kwambiri pakulankhulana kosasunthika pakati pa zida zosiyanasiyana.

Poyamba idapangidwa kumapeto kwa zaka za m'ma 1970 ndi Modicon (tsopano Schneider Electric), Modbus idapangidwa kuti ipereke kulumikizana kwa data kokhazikika mkati mwa makina odziyimira pawokha. Kuphatikiza ndi muyezo wolimba wa RS485 kwapatsa mafakitale njira yodalirika komanso yothandiza yolumikizirana pakati pa zida.

Bukuli likufuna kupatsa akatswiri mu gawo lowongolera mafakitale kumvetsetsa kovuta kwa Modbus pa RS485. Tidzafufuza zigawo zake, makina ake, ndi momwe amagwiritsidwira ntchito, kugogomezera kufunika kwake kosatha m'malo ogwirira ntchito odziyimira pawokha masiku ano.

Chinsinsi chotengera

 Kumvetsetsa mfundo zoyambira za RS485 ndi Modbus protocols.
Dziwani ubwino wogwiritsa ntchito Modbus kuposa RS485 mu automation yamafakitale.
 Pezani chidziwitso chothana ndi mavuto omwe anthu ambiri amakumana nawo pakugwiritsa ntchito njirazi.
Yerekezerani Modbus ndi RS485 ndi njira zina zolumikizirana.
 Fufuzani ntchito zothandiza komanso zomwe zikuyembekezeka mtsogolo mwa Modbus pogwiritsa ntchito RS485.

Kodi RS485 ndi chiyani?

Muyezo wa RS485 ndi njira yodziwika bwino yolankhulirana motsatizana, yopangidwa kuti ifalitse deta pamtunda wautali bwino. Mfundo zoyambira za RS485 zimachokera ku ma signaling osiyanasiyana, njira yomwe imakulitsa kwambiri chitetezo cha phokoso. Pogwiritsa ntchito ma differential pairs potumiza ma signaling, RS485 imatha kuchepetsa kusokoneza komwe kumachitika nthawi zambiri m'mafakitale.
Chinthu chimodzi chodziwika bwino cha muyezo wa RS485 ndi momwe ulili ndi theka la duplex. Mu dongosolo la theka la duplex, kutumiza deta kumatha kuchitika mbali zonse ziwiri, koma osati nthawi imodzi. Kugwirizana kumeneku kumatsimikizira kumveka bwino ndikuletsa kugundana kwa deta, makamaka kofunikira kwambiri pamakonzedwe ovuta.
RS485 ndi yofanana ndi kulankhulana kwa mtunda wautali. Imatha kusunga kutumiza deta kodalirika pa mtunda wa mamita 4000, zomwe zimapangitsa kuti ikhale yofunika kwambiri pa ntchito zazikulu pomwe miyezo ina yolumikizirana imalephera.

Mbali	Kufotokozera
Muyezo wa RS485	Ndondomeko yodalirika yoyendera mtunda wautali kulankhulana kotsatizana.
Kusiyanitsa Zizindikiro	Zowonjezera chitetezo cha phokoso, yofunika kwambiri m'mafakitale.
Hafu-Duplex	Imalola kusamutsa deta mbali zonse ziwiri koma osati nthawi imodzi.
Chitetezo cha Phokoso	Amachepetsa kusokoneza, kuonetsetsa kuti deta ndi yolondola.
Kulankhulana kwa Patali	Yogwira ntchito kutumiza deta pa mtunda wautali.

Mwachidule, muyezo wa RS485 ndi njira yolimba yothetsera mavuto okhudzana ndi kulankhulana kwakutali, wopambana pa chitetezo cha phokoso komanso wopereka chithandizo chodalirika m'malo ovuta kwambiri m'mafakitale.

Kodi Modbus Protocol ndi chiyani?

Ndondomeko ya modbus ndi njira yolankhulirana yomwe imagwiritsidwa ntchito kwambiri yopangidwira zida zamafakitale. Yoyambitsidwa ndi Modicon mu 1979, njira iyi imalola zida zosiyanasiyana zamagetsi kulumikizana bwino mu netiweki, mosasamala kanthu za kusiyana kwa opanga.
Chinthu chachikulu cha protocol ya modbus ndi kapangidwe kake ka master-slave. Mu dongosololi, chipangizo chachikulu chimayang'anira netiweki, kutumiza malamulo ndikulandira deta kuchokera ku chipangizo chimodzi kapena zingapo za slave. Kapolo aliyense amangoyankha malamulo ochokera kwa master, kuonetsetsa kuti kusinthana kwa deta ndi kulumikizana kolondola kukuchitika.
Njira ya modbus imathandizira mitundu iwiri yayikulu: modbus RTU ndi modbus ASCII. Modbus RTU imalemba deta mu mawonekedwe a binary, zomwe zimathandizira kuti liwiro la kutumiza deta liziyenda bwino komanso kuchepetsa kuchedwa. Mosiyana ndi zimenezi, modbus ASCII imagwiritsa ntchito mawu osavuta polemba deta, zomwe zimapangitsa kuti kuwerenga ndi kukonza deta kukhale kosavuta koma nthawi zambiri kumakhala kochedwa kuposa modbus RTU.
Njira yolumikizirana yosinthasintha iyi imalandiridwa kwambiri m'machitidwe osiyanasiyana owongolera mafakitale. Kusavuta kwake pankhani yokhazikitsa ndi kukonza, kuphatikiza kuthekera kolumikizana ndi zida zingapo, kwapangitsa kuti ikhale njira yolankhulirana yodziwika bwino m'mafakitale kuyambira kupanga mpaka kasamalidwe ka mphamvu.

Kodi Modbus RS-485 ndi chiyani?

Kuphatikiza protocol ya Modbus ndi RS485 physical layer kumapanga kapangidwe kogwira mtima kolumikizana kotchedwa Modbus RS-485. Kuphatikiza kumeneku kumagwiritsidwa ntchito kwambiri mumakina owongolera mafakitale, pogwiritsa ntchito mphamvu za ukadaulo wonsewu kuti kuwonjezere kutumiza deta komanso kudalirika kwa makina.

Kukongola kwa RS485 kuli mu topology yake ya ma network ambiri, yomwe imalola zida zingapo kulumikizana pa basi imodzi. Kukhazikitsa kumeneku ndi kwabwino kwambiri pa protocol ya Modbus, zomwe zimathandiza kulumikizana mosavuta pakati pa zida zambiri popanda zovuta za master-slave configuration. Mwa kuthandizira ma node 32 pa gawo limodzi la netiweki, Modbus RS-485 imakonza magwiridwe antchito ndi kukula kwa machitidwe owongolera mafakitale.

Chimodzi mwa zinthu zodziwika bwino za Modbus kuposa RS485 ndi njira zake zolimba zopezera zolakwika. Ndondomekoyi imatsimikizira kukhulupirika kwa deta kudzera mu njira zosiyanasiyana monga kuyang'anira parity ndi kuyang'anira cyclic redundancy (CRC). Njira zopezera zolakwikazi ndizofunikira kwambiri kuti pakhale kulumikizana kodalirika m'malo omwe phokoso lamagetsi ndi zosokoneza zina zimachitikira.

Mbali ina yofunika kwambiri ya Modbus RS-485 ndi kutha kwa basi. Kutha kwa basi moyenera kumaonetsetsa kuti chizindikirocho chili bwino mwa kuletsa kuwunikira kwa chizindikiro komwe kungasokoneze kutumiza deta. Nthawi zambiri, zotsutsana ndi kutha kwa basi zimayikidwa kumapeto kwa basi ya RS485 kuti zigwirizane ndi kutha kwa chingwe, motero zimathandizira magwiridwe antchito onse a netiweki ya Modbus.

Mwachidule, Modbus RS-485 imagwirizanitsa protocol yolimba ya Modbus ndi gawo losiyanasiyana la RS485, ndikukhazikitsa njira yolankhulirana yodalirika komanso yothandiza pa ntchito zowongolera mafakitale. Chithandizo chake cha makonzedwe ambiri, njira zodziwira zolakwika, komanso kutha kwa mabasi kofunikira kumatsimikizira kufunika kwake pakukweza magwiridwe antchito ndi umphumphu wa makina.

RS-485 ndi RS-232.png

Makina a Modbus pa RS485

Kulankhulana pakati pa zipangizo za modbus master ndi modbus slave mu netiweki ya RS485 kumaphatikizapo njira yolongosoka kuti zitsimikizire kusinthana kwa deta bwino. Mtima wa kulumikizanaku uli mu chimango cha deta, chomwe chimanyamula deta yokonzedwa bwino kuchokera kwa master kupita kwa kapolo komanso mosemphanitsa.

Chida chodziwika bwino cha deta mu Modbus chimakhala ndi zigawo zingapo zofunika: adilesi ya chipangizo, khodi ya ntchito, deta, ndi cheke cha crc. Adilesi ya chipangizocho imazindikira wolandirayo, pomwe khodi ya ntchitoyo imatchula zomwe ziyenera kuchitika. Deta imaphatikiza zambiri zofunika pakuchitapo kanthuko, ndipo CRC (Cyclic Redundancy Check) imatsimikizira kukhulupirika kwa deta pozindikira zolakwika panthawi yotumizira.

Kuyang'ana kwa crc ndikofunikira kwambiri kuti zizindikire zolakwika. Mtengo uwu wa mabayiti awiri womwe umawonjezeredwa kumapeto kwa chimango cha deta umalola zipangizo kutsimikizira kulondola kwa deta yolandiridwa, zomwe zimapangitsa kuti kulumikizana kukhale kodalirika.

Zofunikira pa hardware pokhazikitsa Modbus RS485 zimaphatikizapo doko lolumikizira la chipangizo chilichonse ndi zingwe zoyenera kulumikiza netiweki. Cholumikizira cha protocol pa zida zonse ziwiri za master ndi slave chimayang'anira kulumikizanaku, kuonetsetsa kuti mafelemu a data apangidwa bwino, kutumizidwa, ndi kulandiridwa.

Nayi kusanthula kwatsatanetsatane kwa kapangidwe ka chimango cha data cha Modbus RS485:

Chigawo	Kufotokozera
Adilesi ya Chipangizo	Amazindikira cholinga kapolo wa modbuskapena modbus master.
Khodi Yogwirira Ntchito	Imafotokoza ntchito (monga kuwerenga, kulemba) yomwe iyenera kuchitika.
Deta	Lili ndi magawo kapena zotsatira za ntchito.
Kufufuza kwa CRC	Kuonetsetsa kuti deta ndi yolondola pozindikira zolakwika zotumizira.

Kugwiritsa ntchito Modbus pa RS485 bwino kumafuna kumvetsetsa bwino zigawozi ndi ntchito zawo mkati mwa protocol stack. Kugwirizana pakati pa hardware ndi mapulogalamu kumatsimikizira kulumikizana kosasunthika, zomwe zimapangitsa Modbus pa RS485 kukhala yankho lolimba pa ntchito zamafakitale.

Chifukwa Chiyani Sankhani Modbus M'malo mwa RS485?

Poganizira njira zolimba zolumikizirana pamafakitale, ndikofunikira kumvetsetsa ubwino wogwiritsa ntchito Modbus kuposa RS485. Kukhazikitsa kumeneku ndi muyezo wodziwika bwino wolumikizirana womwe umadziwika chifukwa chodalirika komanso magwiridwe antchito ake pakusunga umphumphu wa chizindikiro m'malo ovuta.

Malo opangira ma IoT a mafakitale amafuna njira zomwe zingagwiritsidwe ntchito ndi zida zambiri ndikupereka deta yolondola komanso yosasokoneza. Modbus kuposa RS485 imadziwika bwino pogwiritsa ntchito topology ya master-slave, yomwe imapangitsa kuti makonzedwe ndi kasamalidwe ka netiweki zikhale zosavuta. Topology iyi imatsimikizira kuti kulumikizana kumakhala kosavuta, kuchepetsa zoopsa za kugundana kwa deta ndikusunga kusinthana kwa chidziwitso pakati pa zida.

Poyerekeza ndi RS232, RS485 imapereka zabwino zingapo. Mosiyana ndi RS232, RS485 imathandizira kutalika kwa chingwe ndi kuchuluka kwa deta, zomwe ndizofunikira kwambiri pakukonzekera kwakukulu kwa mafakitale. Kuphatikiza apo, RS485 imalola zida zingapo kulumikizidwa pa basi imodzi, zomwe zimapangitsa kuti ikhale yoyenera ma netiweki ovuta kwambiri.

Mfundo ina yokambirana ndi kukhulupirika kwa chizindikiro. Modbus kuposa RS485 imachita bwino kwambiri pakusunga kulondola kwa deta komanso kudalirika, ngakhale m'malo omwe ali ndi kusokonezeka kwakukulu kwa ma electromagnetic (EMI). Kudalirika kumeneku ndikofunikira kwambiri pamafakitale komwe ngakhale kutayika kwakanthawi kwa kukhulupirika kwa deta kungayambitse kutayika kwakukulu kwa nthawi yogwira ntchito komanso kutayika kwa ndalama.

Kugwiritsa ntchito kwa Modbus kuposa RS485 kumapitirira ubwino waukadaulo uwu. Kusavuta kwake kugwiritsa ntchito komanso njira yake yochepa yophunzirira kumapangitsa kuti ikhale chisankho chomwe chimakondedwa ndi mainjiniya ambiri ndi akatswiri. Popereka yankho lokhazikika, lothandiza, komanso losavuta, Modbus kuposa RS485 ikupitilizabe kukhala muyezo wofunikira kwambiri wolumikizirana m'mafakitale omwe akusintha a IoT.

Zochitika Zatsopano ndi Chiyembekezo Chamtsogolo

Kugwiritsa ntchito Modbus pa RS485 kungakhale njira yovuta, nthawi zambiri yokhala ndi mavuto ambiri. Pakati pa izi, kuweruza mabasi ndi kukonza zida molondola ndi zinthu zofunika kwambiri zomwe zimagwirizana ndi kusinthana deta bwino.

Kukwaniritsa bwino njira yolankhulirana ndi mabasi kumaphatikizapo kuyang'anira patsogolo ndi kuwongolera zizindikiro za deta pa njira yogawana. Izi zimafuna kukonzedwa mosamala kuti zithetse kusamvana ndikuwonetsetsa kuti chipangizo chilichonse chingathe kulankhulana popanda kusokoneza. Kulankhulana bwino ndi chipangizo ndikofunikira kuti mauthenga apite ku hardware yoyenera, motero kumachepetsa njira yolankhulirana ndikuwonjezera kudalirika.

Chinthu chimodzi chofunikira kwambiri ndi kuwonjezera mtunda wolumikizirana pamene mukusunga deta yolimba. Izi zitha kuthetsedwa pogwiritsa ntchito zobwerezabwereza ndikuwonetsetsa kuti mukugwiritsa ntchito zingwe zapamwamba komanso zolumikizira. Kuphatikiza apo, kukonzekera bwino kwa topology ya netiweki kungathandize kwambiri mtunda wolumikizirana ndikuchepetsa kuwonongeka kwa chizindikiro.

Kuonetsetsa kuti deta yasinthidwa bwino kumafuna njira zokhwima zowunikira ndi kukonza zolakwika. Kugwiritsa ntchito ma parity bits, cyclic redundancy checks (CRC), ndi njira zina zowunikira zolakwika kungathandize kwambiri kukhulupirika kwa deta ndi magwiridwe antchito.

Ponena za kuthetsa mavuto, mavuto angapo ofala angabuke, monga kuwunikira chizindikiro, kusokoneza phokoso, ndi mavuto ogwirizanitsa. Kugwiritsa ntchito zoletsa zomaliza zoyenera kumapeto onse a basi ya RS485 kungathandize kuchepetsa kuwunikira chizindikiro. Zingwe zotetezedwa ndi njira zoyenera zokhazikitsira pansi zitha kuchepetsa kusokoneza phokoso. Kuti muthane ndi mavuto ogwirizanitsa, onetsetsani kuti zipangizo zonse pa netiweki zikutsatira mlingo wofanana wa baud ndi makonda osinthira.

Mavuto	Mayankho
Kuthetsa Mabasi	Kukhazikitsa njira zofunika kwambiri komanso njira zothetsera mikangano.
Kulowetsa Ma Adilesi pa Chipangizo	Perekani maadiresi apadera ku chipangizo chilichonse; onetsetsani kuti mwakonza bwino.
Kutalikirana kwa Kulankhulana	Gwiritsani ntchito zobwerezabwereza, mawaya apamwamba kwambiri, komanso kukonzekera bwino za topology ya netiweki.
Kusinthana kwa Deta	Phatikizani njira zowunikira zolakwika monga parity bits ndi CRC.
Kusaka zolakwika	Gwiritsani ntchito zoletsa zomaliza, zingwe zotetezedwa, ndi makonda a chipangizocho nthawi zonse.

Modbus RS485 mu Context: Kuyerekeza

Pankhani yolumikizirana ndi mafakitale, ndikofunikira kumvetsetsa kuthekera ndi zofooka za ma protocol osiyanasiyana. Pano, tikuyerekeza Modbus RS485 ndi njira zina zolumikizirana monga Modbus TCP, CAN Bus, ndi Profibus, zomwe zimatithandiza kudziwa kusinthasintha kwa ma protocol, mtengo wa hardware, ndi kugwirizanitsa zida.

A. Modbus pa RS485 motsutsana ndi Modbus TCP

Modbus TCP, protocol yochokera ku ethernet, imapereka ubwino waukulu pa liwiro la netiweki komanso kusavuta kuphatikiza ndi makina amakono a IT. Ngakhale Modbus RS485 imachita bwino kwambiri m'malo aphokoso chifukwa cha ma signaling ake amphamvu. Komabe, Modbus TCP imatha kupereka mtengo wokwera wa hardware chifukwa cha kufunikira kwa zomangamanga za netiweki, mosiyana ndi zofunikira zosavuta za hardware za RS485. Komabe, Modbus TCP imadziwika bwino pankhani ya kusinthasintha kwa protocol, zomwe zimathandiza kuti pakhale kulumikizana bwino ndi zida zosiyanasiyana zolumikizidwa.

B. Modbus pa RS485 vs. CAN Bus

Kuyerekeza Modbus RS485 ndi CAN Bus kukuwonetsa kusiyana kochititsa chidwi. CAN Bus nthawi zambiri imakondedwa mu ntchito zamagalimoto ndi zodzipangira zokha chifukwa cha luso lake la nthawi yeniyeni. Mosiyana ndi zimenezi, Modbus RS485 ndiye chinthu chofunikira kwambiri m'mabus m'mafakitale monga opanga. Pakugwirizana ndi zida, CAN Bus imapereka chithandizo chachilengedwe cha zida zowongolera, pomwe Modbus RS485 imasunga kuyanjana kwakukulu m'mapuloteni ambiri amafakitale. Poganizira mtengo wa zida zamagetsi, CAN Bus imakhala yokwera mtengo kwambiri chifukwa cha zofunikira zake zovuta.

C. Modbus pa RS485 motsutsana ndi Profibus ndi ma protocol ena

Profibus, yomwe ndi njira yotsogola kwambiri yogwiritsira ntchito ma fieldbus, imaposa Modbus RS485 pa liwiro ndi kuthekera kogwiritsa ntchito deta. Komabe, Profibus nthawi zambiri imafuna zida zapadera, zomwe zimawonjezera mtengo wonse wokhazikitsa. Modbus RS485, yomwe imadziwika kuti ndi yosavuta komanso yodalirika, ikadali yankho lotsika mtengo. Ngakhale kuti kuchuluka kwa deta yake kumachepa, kusinthasintha kwake komanso kugwiritsidwa ntchito kwake m'njira zosiyanasiyana zamafakitale sikunganyalanyazidwe. Kugwirizana kwa chipangizo cha Modbus RS485 kumakhalabe kwakukulu, kuonetsetsa kuti chikugwirizana ndi machitidwe ambiri akale komanso amakono.

D. Kusankha njira yabwino kwambiri yogwiritsira ntchito mapulogalamu enaake

Kusankha njira yoyenera yolankhulirana kumadalira zosowa za pulogalamuyo. Zinthu monga kusinthasintha kwa njira yolankhulirana, mtengo wa zida, kuyanjana kwa chipangizo, ndi zofunikira za njira zogwirira ntchito zamafakitale zimakhala ndi gawo lofunika kwambiri. Pa mapulogalamu omwe amafuna liwiro lalikulu komanso kuphatikizana ndi maukonde a IT, Modbus TCP ndiyofunika kwambiri. Mosiyana ndi zimenezi, pamakina okhazikika omwe amafunikira kulimba, Modbus RS485 siingakhale yofanana ndi ina iliyonse. Kumvetsetsa mphamvu ndi zofooka za njira iliyonse yolankhulirana ndikofunikira kwambiri popanga chisankho chabwino kwambiri pa pulogalamu iliyonse.

Kugwiritsa Ntchito ndi Zitsanzo Zothandiza

Modbus pa RS485 yakhala njira yofunika kwambiri m'maukonde osiyanasiyana a mafakitale chifukwa cha kulimba kwake komanso kugwira ntchito bwino. Chitsanzo chimodzi chofotokozera ndi pankhani yowunikira deta, komwe makampani monga Siemens amagwiritsa ntchito njira iyi kuti atsimikizire kulumikizana kosasunthika pakati pa masensa awo ndi makina owongolera pakati m'malo ovuta opangira. Mwa kuthandizira kusinthana deta mwachangu, imathandizira mapulogalamu enieni omwe ndi ofunikira kwambiri pakuyankha mwachangu m'makina odziyimira pawokha.

Ntchito ina yothandiza ingaonekere pophatikiza ma actuator mkati mwa makina amafakitale. Opanga monga General Electric amagwiritsa ntchito Modbus RS485 kuti agwirizanitse zochita za ma actuator awa ndi zolowetsa kuchokera ku masensa osiyanasiyana, motero amawonjezera kulondola munjira monga mizere yolumikizira ndi kulongedza. Kugwirizana kumeneku sikuti kumangotsimikizira kulondola kokha komanso kumawongolera magwiridwe antchito bwino komanso kuchepetsa nthawi yogwira ntchito.

Mu gawo la mphamvu, Modbus RS485 ndi yofunika kwambiri pakugwira ntchito kwa machitidwe owongolera omwe amapezeka muukadaulo wanzeru wa gridi. Makampani monga Schneider Electric amagwiritsa ntchito njira iyi kuyang'anira ndikuwunika njira zogawa magetsi, kuonetsetsa kuti katundu wolemera ndi kuchepetsa kuwononga mphamvu. Kutha kuthana ndi ntchito zenizeni kumathandiza kusintha nthawi yake, zomwe zimapangitsa kuti maukonde amagetsi akhale odalirika komanso okhazikika.

Malo Ofunsira	Kampani Yachitsanzo	Ubwino
Kuwunika Deta	Siemens	Kulankhulana Kowonjezereka, Kusinthana kwa Deta Pa Nthawi Yeniyeni
Maukonde a Mafakitale	Zamagetsi Zamagetsi	Kukonza Bwino, Kukonza Kayendedwe ka Ntchito
Machitidwe Olamulira	Schneider Electric	Katundu Woyenera, Kugwiritsa Ntchito Mphamvu Moyenera

Zitsanzo izi zikugogomezera kusinthasintha ndi kugwira ntchito bwino kwa Modbus pa RS485 m'maukonde osiyanasiyana a mafakitale. Mwa kupanga makina olumikizirana pakati pa masensa, ma actuator, ndi machitidwe owongolera, protocol iyi imalimbikitsa magwiridwe antchito ndi luso lapamwamba m'mafakitale osiyanasiyana.

Chiyembekezo chamtsogolo cha Modbus pa RS485

Tsogolo laModbus pa RS485imapangidwa ndi zochitika zosiyanasiyana zosangalatsa komanso zatsopano. Pamene tikupita patsogolo mu gawo lakulankhulana kwa mafakitale, pali cholinga chachikulu pakukwezakugwiritsa ntchito bwino njira zolankhuliranandikukula kwa netiwekiIzi zikuchitika chifukwa cha kufunikira kwakukulu kwa zipangizo zolimba komanso zosinthasinthazida zodzichitira zokhazomwe zimagwirizana bwino ndi machitidwe omwe alipo, kuphatikizapo mayankho ochokera kwa atsogoleriwopanga makompyuta a mafakitalendi zipangizo zapadera mongaPC yamakampani yokhala ndi NVIDIA GPU.

Kupita patsogolo kwakukulu kukupangidwa mukusintha kwa ndondomekokomanso. Opanga mapulogalamu akugwira ntchito nthawi zonse kuti akonze luso laModbuskuonetsetsa kuti ikugwirabe ntchito ngakhale pakufunika ukadaulo wokulirakulira. Izi zikuphatikizapo kukonza magwiridwe antchito ake ndikuphatikiza ukadaulo watsopano womwe umawonjezera magwiridwe antchito a dongosolo lonse, wothandizidwa ndi zida zolimba mongalaputopu yolimba yokhala ndi GPUkapena zipangizo zochokera pamwambaopanga mapiritsi olimba.

Komanso, kupita patsogolo komwe kukupitilira muzida zodzichitira zokhandi umboni wa momweModbus pa RS485ikusintha. Mphamvu zowonjezera za zida, kuphatikizapoPC yapaintaneti ya mafakitale Windows 10machitidwe ndikompyuta yopangira rackmount ya mafakitalemayankho, mosakayikira zidzatsogolera kuwonjezeka kwakukula kwa netiweki, zomwe zimathandiza kuti machitidwe akuluakulu komanso ovuta agwire ntchito bwino. Izi zimapangitsa kuti zinthu zikhale bwinokugwiritsa ntchito bwino njira zolankhulirana, yofunika kwambiri pa ntchito zamafakitale amakono, komwe kudalirika kumatsimikiziridwa ndi odalirikaopanga ma laputopu olimba.

Poyang'ana patsogolo, n'zoonekeratu kutiModbus pa RS485idzapitirizabe kukula, motsogozedwa ndi liwiro losalekeza lakusintha kwa ndondomekondi kupita patsogolo mukulankhulana kwa mafakitaleKuphatikiza ukadaulo wamakono komanso kuyang'ana kwambiri pakukweza magwiridwe antchito kudzapangitsa kuti zinthu ziyende bwino.Modbusngati chisankho chodalirika cha ntchito zamafakitale zamtsogolo.

Yapitayi: Kutsogolera njira yatsopano yotetezera katatu: SIN-14A yolimba yamagetsi yokhala ndi mabatire awiri, yosinthika ndi yolimba, yolimba komanso yolimba, yolimba komanso yolimba.

Ena: Kompyuta Yonyamula Katundu: Kutsegula Ntchito Yabwino Ya Foni

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