Hoahoa me te whakatinanatanga o te whakawhitiwhiti korero mo te wa-tuuturu mo te punaha tirotiro mahi a te kuwaha Hiko
He rite tonu te tau ara iahiko o te poari whakahaere me te taputapu hiko. Ko te kōwae whakahaere me te taputapu hiko e hono ana tetahi ki tetahi ma te taura kia rite ki te tau kapeka kotahi. Ki te kore te kaiwhakamahi e whakamahi i te mana whakahaere i runga i te papaanga, karekau nga pito waea o 12, 13 me 14 e hono. Ka whakamahia te kaiwhakahaere takirere hiko mo te punaha whakahaere aunoa, 12, 13, 14 nga pito mo te "whakawhiti mamao", "whakamutu aunoa" e rite ana nga tohu whakauru hiko.
Te whakaurunga me te whakarereketanga o te kaiwhakahaere hiko hiko:
1. Huihuia me te whakatika kia rite ki nga whakaritenga o nga hua kua tohua, a ko te poraka kapeka i runga i te papa o muri me whakamau.
2. He rite tonu te tau ara iahiko o te poari whakahaere me te taputapu hiko. Ko te kōwae whakahaere me te taputapu hiko e hono ana tetahi ki tetahi ma te taura kia rite ki te tau tauranga waea. Ka whakamahia te kaiwhakahaere takirere hiko mo te punaha whakahaere aunoa, 12, 13, 14 nga pito mo te "whakawhiti mamao", "whakamutu aunoa" e rite ana nga tohu whakauru hiko.
3. Patohia me te pupuri i te taviri mata maukati, ka marama te tohu, ka rītaha te kaiwhakahaere mamao ki te mana mamao i runga i te waahi, ka marama te whakaaturanga mana mamao.
4, whakamahia te miro ki te whakatuwhera i te paera o te kuaha ki te 50% tohu tuwhera, purihia te paera tuwhera ka kati ranei te kii takirere, tirohia mehemea he rite tonu te hurihanga o te paera me te taviri mahi, ki te kore e rite te pehi tonu i te kii mutu, momotuhia te hiko hiko e toru-waahanga, whakakapihia te hiko hiko e toru-waahanga i roto i nga waahanga e rua.
5. Pēhia me te pupuri i te kī takirere tuwhera. A, no te whakatuwheratanga o te keeti kuaha i roto i te wa, ka marama ake te whakaaturanga vaolo tuwhera i te pereti o mua; Pēhia me te pupuri i te kī takirere kati. I te wa e kati ana te paera o te kuaha, ka marama te whakaaturanga kati i te pereti o mua; A, no te te tinana takirere i roto i te tuwhera ka kati ranei ka hiahia ki te whakamutu, pēhi i te kī mutu, te kuwaha takirere mutu. Tūhonohia ngā kāpeka Nama 4, 7 rānei. He rama aituā kei te papa o mua.
6. A, no te ko te takirere kuwaha i roto i te tino tuwhera tūnga, whakatika te parenga whakatika i roto i te pereti mua kia tohu te mita whakatuwhera 100%.
7, te wahi inenga pūmana mamao ki te wahi, te marama whakaatu wahi, poto iahiko hapa Nama 12 ranei 13 terminals waea, takirere kuwaha me te mahi aronga tuwhera, mo te whakaoho; Hapa ara iahiko poto Tauwaea waea Nama 12, Nama 14 ranei, kia kati te keti ki te mahi, mo te ahua whakaoho.
8. Te ngongo ngongo ki te pereti o muri 5 x 20 A.
Hoahoa me te whakatinanatanga o te whakawhitiwhiti korero mo te kuaha hiko te punaha aroturuki mahi Valve
Kupu Whakataki: E ai ki te 485 bus system, ko te raupaparorohiko korero mo te wa-tuturu i roto i te punaha whakamatautau mahi taputapu hiko i hangaia e te PC pokapū aroturuki me te maha o nga punaha whakahaere maramara kotahi. Ko te tikanga mo te whakamahi i te VB ki te whakaoti i te hoahoa hootaka whakawhiti korero mo te PC me te maha o nga punaha punaha whakahaere maramara kotahi ka tino whakaurua. Kua oti i te PC te whakahaere tukutahi me te whakahaere o etahi waahanga mamao.
Kupu matua: Visual Basic rangatū whakawhitiwhiti korero taputapu hiko te punaha aroturuki mahi whakahaere mamao
1 Kupu Whakataki
I roto i te maha o nga punaha aro turuki, he maha nga wa me whakaae ki te ine tawhiti me te whakahaere i nga raraunga tohu hangarau, me pehea te whakatutuki i te tuku raraunga mamao pono ko enei punaha rapunga me whakaoti te raru. I roto i te waahi rapunga, hei whakaiti i te utu o nga punaha punaha, ka whakamahia te punaha SCM hei kohinga raraunga me te waahanga tuhi. I roto i te ** pokapū aroturuki, he maha nga wa e whakamahia ana te PC ki te whakaoti i nga waahi pakeke me te whakawhitiwhiti korero me te waahi whakamatautau.
Ko tenei pepa e whakaatu ana i tetahi punaha korero a te Kaiwhakaako/Tavini ka taea te whakamahi ki te aro turuki i nga mahi o nga taputapu hiko i roto i te wheketere. Ko te miihini o raro o te punaha aroturuki i hangaia me te 32-bit ARM microcontroller (L PC2214) hei PTM. E rua nga CPLDS (XC95108) e whakawhānui ana i te tauranga I/O hei whakahaere i te punaha microcontroller penei i te utaina o te motuka, te tango i te motuka, te encoder photoelectric me te AD converter, kei reira he papapātuhi rorohiko hei kawe i te tuku raraunga me te whakaaturanga LCD Whakaatuhia ia mahi o te jack , me tana whakamatautau i te taarua o te taarua e tohu ana i nga mahi hua o te rekoata tawhā matua. Ko te punaha whakahaere o te rorohiko rorohiko o runga kei runga i te Visual Basic 610. Ko tenei punaha na roto i te mahi hua o nga waahanga matua o te tirotiro, ka tino aukati i nga hua kore i roto i te wheketere, te whakapai ake i te kounga o te hua, te whakarei ake i te whakataetae maakete o te hua.
Ka whakamahia e te rorohiko o te punaha whakawhitiwhiti nga momo waea takirua e rima i roto i te waahi mahi hei papaaho korero. Ko te rorohiko rorohiko o runga e whakamahi ana i te mana whakawhitiwhiti MSComm o VB 610 hei whakaoti i te whakawhitinga tere mamao me te rorohiko o raro. Ko te rorohiko o raro e whakamahia ana i roto i te raina whakaputa, a he pai te hua.
2. Te hanganga me te maapono o te punaha
2.1 Te hanganga hanganga
Kei roto i te punaha tono he pokapu aroturuki me etahi momo kowae Whakakotahi Kapeka Mamao (Rtus) (Whakaahua 1). Ko te pokapū aro turuki he rorohiko rorohiko o runga me te kaitahuri RS232/485, a me hangaia ia waahanga mamao hei punaha aroturuki mahi taputapu hiko i runga i te ARM kotahi maramara rorohiko rorohiko (Whakaahua 2).
2.2 Nga Tikanga
I te mea ko te DTE (Da2ta Terminal Equipment) te tango raraunga matawhānui, ka mahi te pokapū aroturuki ki te whakaoti i te tautuhi raraunga kitenga me te rokiroki o te punaha aroturuki mahi taputapu hiko mamao. PC rite ki 485 taura kōrero me te taputapu hiko mamao pūnaha aroturuki mahi hono, tona tere tuku ko 9 600 bps, ka taea te tautuhi i te tere whakawhiti raraunga tauranga ki 1 200 bps ~ 19 200 bps (1) rite ki te pūmanawa pūnaha.
I runga i te encoder photoelectric me te AD converter, ka kohia e te punaha aroturuki mahi taputapu hiko mamao nga raraunga o nga tawhā mahi matua o nga taputapu matua. Ko te maramara tukatuka MAX1480 ka tohua ki te tuku i nga raraunga me te taputapu PC, a ko nga tohu whakaurunga me nga tohu whakawhiti whakaputa ka kitea e nga CPLDS e rua, kia mohio ai te mana o nga taputapu matua me te ine tika o nga tawhā taketake. Ko te punaha tirotiro mahi a nga taputapu hiko he whakatikatika, he whakatupato he me te maramara tukatuka nga punaha tirotiro mahi noa. BRnbsp; nbsp; nbsp; nbsp; Pūmanawa Pūnaha Whakawhitiwhiti ki te aro turuki i te PC pokapū me te punaha whakahaere rorohiko maramara kotahi ma te 485 taura whakawhitiwhiti i te ahua o te mata kotahi te whakawhiti whakarara whakarara o nga korero korero raraunga, PC kia rite ki te tauranga rangatū ki te tuku tohu ki te waahanga mamao, te kōwae mamao riro ratou ake tohu i muri i te tuku o te raraunga ki te PC, riro te PC te raraunga hoki ki te ihirangi mōhiohio e tika ana. I tenei ara, ka taea e te pokapū aroturuki te whakahaere i te miihini mamao me te kohikohi raraunga.
3. Hoahoahoahoahoahoahoahoahoahoahoahoahoahoahoahoahoahoahoahoa inamata
3.1 Whakaaetanga Whakawhitiwhiti
(1) Ko nga korero raraunga o te anga he 1 moka timatanga, moka raraunga 8, moka taki 1 me moka mutu 1.
(2) Ko te 9 600 bps te reiti tauranga baud. Ko nga korero rangatū o te 51 microcontroller o te punaha whakamatautau taputapu hiko e whakamahi ana i te UART0 ki te pana me te whiwhi raraunga. Kia whiwhi tika ai te reiti baud rangatū, ka tangohia e te ARM microcontroller te iahiko oscillator tioata me te auau oscillation o 111059 2MHz. Ko te reiti baud o te PC kua whakaritea kia rite ki te ahuatanga Tautuhinga o te mana whakawhitiwhiti korero a VB MSComm. Hei whakarite i te tika o te tuku raraunga, me rite tonu te reiti baud o te tauranga rangatū PC.
(3) Ko te whakawhitiwhiti korero maha-miro ka tangohia i roto i te punaha. Ko te rorohiko rorohiko o runga e korero ana me nga waahanga mamao e ai ki te pahi tohu-haere [2]. Ko nga korero ka tukuna ki runga PC he tau 4-paita kua whakaritea. Ko nga paita tuatahi me te tuarua ko te tautohu tiimata me te nama wahitau taipitopito wae mamao. Ko te paita tuatoru e tohu ana ko te pana he kaari tohutohu, he tohutohu ranei, ko te paita tuawha te tohu tohu mutunga.
(4) I muri i te whiwhinga o te tohu, ka whakatauhia e te waahanga mamao ma te whakataurite i te nama wahitau o te tohu me te wahitau taipitopito o te waahanga, me te mohio ko te tohu ko te waeine, katahi ko te pahi punaha kei roto i te ahuatanga o te whiwhi raraunga. . Ka tukuna e tenei kōwae he karere poto, he 158 paita te ihirangi korero kua tukuna. Ko nga paita tuatahi me te tuarua e tohu ana i te tohu timatanga me te tohu whakahau, ko te paita tuatoru e tohu ana i te nui o nga korero raraunga, ko te paita tuawha e tohu ana i te ripoata whakamatautau 157 i kohia, ko te paita 158 e tohu ana i te tohu mutunga. Ki te kore e rite te wahitau taipitopito, ka tohatohahia te tohu ki te waahanga e whai ake nei [3]. Ko te tikanga whakawhitiwhiti e whakaatuhia ana i te Whakaahua 3 i raro nei.
3.2 Mana MCU Mamao hoahoa hotaka korero rangatū matawhānui
Ko te hoahoa miihini rorohiko maramara kotahi a ARM Mamao e whakamahi ana i te aratau haukoti ki te kawe raraunga, e ai ki te kaupapa rorohiko waea pūkoro ADS112 ki te kawe korero me te rorohiko rorohiko o runga, te raupaparorohiko rorohiko o runga korero-whakawhitinga rerenga korero me te iti o te waahanga momotuhinga rorohiko. -tutohi rere e whakaatu ana i te Whakaahua 4 me te Whakaahua 5 i raro nei.
Ina whiwhi te kōwae mamao i te tohu me te wahitau taipitopito rite ki te taputapu, ka waiho he tohu mo te whakaae ki nga korero raraunga. Whai muri i te whiwhinga i a maatau tohu, ka tukuna e te waahanga mamao nga raraunga ki te PC i runga i te atamira. I tua atu, ka mutu te PC ki te pana i te tohu me te haere tonu ki te whiwhi raraunga tae noa ki te whiwhinga o nga raraunga ka kitea te karere raraunga I muri i te whakaaetanga, panahia te tohutohu whakau ki te waahanga mamao i konei. Mena karekau he korero raraunga ka tae mai, karekau ranei nga raraunga e tika ana, panahia te tohu he ki te waahanga mamao ki konei. Ki te kore e taurite te tohu kua riro ki te wahitau taipitopito o te taputapu, ka hoki te rere o te papatono ki te urunga tauranga ka mahi i etahi atu mahi tuturu. Ma tenei ka tino marama te tukunga o nga raraunga ki te rorohiko rorohiko kei runga rorohiko o runga.
3.3 tikanga hoahoa hōtaka whakawhitiwhiti korero mo te PC
Ko te rorohiko rorohiko o runga e whakamahi ana i te VB 610 hei whakawhanake kaupapa. E rua nga huarahi ki te whakawhanake me te hoahoa i nga kaupapa korero rangatū me te VB 610: ko tetahi ko te whakamahi i te tauira mahi API o Windows; Ko tetahi atu ko te whiriwhiri i te mana korero VB MSComm. Ko te whakamahi i te tauira mahi API ki te tuhi i te tukanga kaupapa whakawhitiwhiti korero rangatū he uaua ake, me kaha te maha o nga tauira mahi API uaua, a ko te VB610 MSComm te mana whakawhitiwhitinga e kawe mai ana i nga mahi whakahaere kaupapa, huihuinga me te huarahi, kaore te kaihoko e hiahia ki te mohio ki te korero. tukanga o te taumata iti rawa o te whakahaere whakahaere API mahi tātai (4), a ka tino ngawari, te whakaoti pai o te korero rangatū.
Ka kawea mai e te mana whakahaere e rua nga mahi o te whiwhi raraunga rangatū me te tukunga ake: ko tetahi ko te pooti, ka taea te mahi ma te whakamahi i te taima me te DO.Loop te rere o te papatono ki nga huihuinga me nga whakawhitiwhiti korero e ai ki nga uara Com2mEvent; Ko tetahi atu ko te huarahi e peia ana e te Takahanga, e whakamahi ana i te MSComm ki te whakahaere i nga kaupapa OnComm ki te hopu i nga hapa korero rangatū, i nga huihuinga ranei, me te tuhi i nga kaupapa i roto i nga aitua a OnComm ki te whakaoti i etahi waahanga [5]. Ka whakamahia e tenei punaha punaha he taima ki te pana i te tohu me te whakaae ki nga korero rīhiti i hangaia e te microcontroller mamao, kia tere ake ai te whakautu a te PC.
Ka whakamahia e te taupānga pūkoro te mana Timer1 ki te whakatutuki i te pana hurihanga o nga tohu. Whakaritea te matawā ki te whakautu kotahi i roto i te 10ms(Timer11Internal=10).
3.4 SCM hoahoa o ARM2210 hua raupapa tikanga hoahoa kaupapa whakawhitiwhiti korero
Ko te rorohiko e whai ake nei ka whakamahi i te rorohiko waea pūkoro ADS112 ki te kawe i te kaupapa tuhi, he mea hanga motuhake tenei rorohiko waea pūkoro mo te ARM kotahi maramara rorohiko moroiti he rorohiko waea pūkoro, he rite tonu tana whakapuaki reo ki te whakapuaki reo C, he tino pai te mahi.
4 Kupu Whakamutu
Ko te tono e whakahaere ana i te tirotiro ipurangi o te miihini mamao, a ka rere pai te waahanga o te Ipurangi whakawhitiwhiti korero, ka tutuki te tere o te tuku ki nga ture, te pai o te mahi, he watea te whakamahi, he watea te kaupapa whatunga, me te rapunga raraunga me te ka taea te whakatutuki i nga tikanga whakahaere o te waahi mahi. Ka taea te whakamahi whanui i tenei punaha i roto i te inenga whakaputa ahumahi me te hangarau whakahaere me te kohinga raraunga me etahi atu ahumahi.
Tohutoro pepa
(1) JanAxelson. Whakaotia te Kohinga Tau Tauranga Tauranga Rangatū [M]. Beijing: State Electric Power Publishing House,2001
(2) Yang Xianhui. Hangarau Fieldbus me tana Whakamahinga [M]. Beijing: Tsinghua University Press,
(3) Li Zhaoqing.PC me te maramara kotahi Microcomputer hoahoa Hangarau whakawhitiwhiti Raraunga [M]. Beijing: University of Aeronautics and Astronautics Press,2000.
(4) Xiang Juwei et al. Ma te whakamahi i te hanganga tauira mahi API Windows C6 akomanga ki te whakaoti i nga korero rangatū [J]. Hangarau Rapu,2000
(5) Fan Yizhi.Visual Basic me RS232 Mana Whakawhitiwhiti Rangatū [M]. Beijing: China Youth Publishing House,2000.
Wā tuku: Feb-24-2023
