Kev ua tiav ntawm kev txheeb xyuas online ntawm thee gangue thiab tsim ntawm multihead weighter raws li kev kos duab thiab fieldbus technology

Author: Smartweigh-Multihead Weighter

Foreword Nrog txoj kev txhim kho txuas ntxiv ntawm cov tshuab kos, ARM microprocessor ntawm 32-ntsis system RISC ua cov nti nrog kev ua tau zoo, kev siv hluav taws xob thiab tus nqi qis qhia tau hais tias muaj kev txhim kho muaj zog. Qhov zoo ntawm ob qhov muab kev hloov pauv tshiab rau cov txheej txheem kev npaj thee. Kev sib txuas cov kab ke thiab cov tshuab computer interface, kev txheeb xyuas online tshiab ntawm cov pob zeb thiab cov thee gangue thiab tsis siv neeg ntau lub taub hau hnyav yog tsim. Lub hauv paus ntsiab lus daim duab kos duab ntawm kev txheeb xyuas online ntawm cov pob zeb thiab cov coal gangue thiab lub siab tsis siv neeg ntau lub taub hau hnyav yog qhia hauv daim duab 1.

Raws li cov kev cai ntawm cov txheej txheem kev npaj thee, cov software ntawm qhov system no feem ntau muaj peb qhov tseem ceeb hauv qab no: (1) Kev soj ntsuam ib feem: Nws muaj cov khoom noj khoom haus, siv conveyor, CCD lub koob yees duab saib xyuas, cov duab cov ntaub ntawv sau cov khoom siv hluav taws xob, thiab lwm yam. Cov thee huv huv excavated feem ntau muaj coal gangue, thiab cov coal gangue yuav tsum tau xaiv los ntawm txoj siv conveyor. Lub CCD soj ntsuam lub koob yees duab xa cov duab thee thiab coal gangue mus rau cov duab cov ntaub ntawv sau cov khoom siv hluav taws xob rau kev hloov dua siab tshiab, thiab cov ntaub ntawv hloov pauv tau xa mus rau ARM microprocessor, uas tau xa mus rau PC raws li CAN tsheb npav Internet rau kev daws teeb meem.

(2) Kev txheeb xyuas thiab kev tswj xyuas ib feem: Nws yog tsim los ntawm lub computer hluav taws xob, ARM microprocessor thiab ntsuas thiab tswj cov cuab yeej siv tshuab thiab khoom siv. Nws yog tus yuam sij rau txhua qhov system software. Cov hmoov tshauv cov ntsiab lus ntawm cov thee thiab coal gangue yog xam raws li lub computer pom kev zoo algorithm. Tom qab ARM microprocessor txheeb xyuas thiab paub qhov txawv ntawm cov coal gangue bricks, lub zog ua haujlwm tau ua tiav. Yog tias nws raug txheeb xyuas tias yog cov thee, thiab kev ua haujlwm yog ib feem tsis ua haujlwm, cov thee huv si yuav poob rau hauv cov thee bunker thiab raug thauj tawm los ntawm cov thee thaiv kev nyab xeeb channel.

Yog tias nws raug txheeb xyuas tias yog coal gangue, cov ntaub ntawv tswj cov teeb liab yuav raug xa tawm, thiab lub rooj vag valve yuav qhib, yog li cov thee gangue yuav poob rau hauv coal gangue kev nyab xeeb channel. (3) Lub koom haum nthuav qhia sorting: Nws yog tsim los ntawm lub rooj vag valve, raw khoom thoob thiab system software fais fab kev faib khoom, thiab lwm yam. Raws li CAN tsheb npav Internet, tsis siv neeg tshuaj ntsuam xyuas thiab kev thauj mus los ntawm cov thee thiab coal gangue nyob rau hauv ntau txoj kev nyab xeeb yog nqa tawm. Cov lus qhia ntxaws ntxaws ntawm kev ua cov nti AT91M40800AT91M40800 yog cov txheej txheem ua haujlwm nrog cov nqi siab hauv ATMEL's 16-ntsis / 32-ntsis system microprocessor series cov khoom lag luam raws li ARM7TDMI core. Qhov tseem ceeb yog 32-ntsis system nrog kev ua tau zoo heev RISC (Raws li Intro-duction Set Computer) system architecture, thiab muaj 16-ntsis (tus ntiv tes xoo) cov lus qhia.

Raws li lub tsheb npav sab nraud (EBI) ntawm lub programmable maub los, nws tau txuas tam sim ntawd rau ntau yam kev nco tawm nrog rau FLASH. Yim qhov tseem ceeb cuam tshuam cov vector tswj boards thiab on-chip teb cov ntaub ntawv cov ntaub ntawv tswj boards ho txhim kho lub sijhawm ua haujlwm ntawm cov khoom. yam ntxwv. AT91M40800 integrates ARM7DMIARMThumbCPU core, muab 9kB on-chip SRAM, yim nti xaiv kab, 32 programmable controller I/O ports, thiab 8-ntsis lossis 16-ntsis system tsheb npav ntawm lub xov tooj ntawm tes software programmable maub los. Hom chaw nyob sab hauv tsev 64MB, 2 USARTs, txhua USART muaj ob qhov chaw sab nraud cov ntaub ntawv xov xwm tswj hwm kev nyab xeeb raws, tsim-hauv programmable controller watchdog 1 timer, yim muaj qhov tseem ceeb, tuaj yeem muaj kev ywj pheej Masked chaw vector termination tswj pawg thawj coj saib, 4 sab nraud cuam tshuam kev tswj hwm nco, 4 sab nraud cuam tshuam nrog rau qhov tseem ceeb tshaj plaws, tsis tshua muaj latency cuam tshuam kev thov, 3 sab nraud digital moos inputs, 3 ruaj ntseg channel 16-ntsis timer / hluav taws xob txee. SJA1000 yuav tsum muaj kev tswj hwm tus qauv thiab kev tswj hwm cov ntaub ntawv vim tias muaj qee qhov kev ncua deb ntawm cov thee yard, the coal gangue mountain and the screening production Rhiav.

Lub tshuab computer interface tuaj yeem tig qhov sib cais thiab kev txiav txim siab meej ntsuas thiab tswj cov tshuab rau hauv cov nodes, thiab siv lub tsheb npav los ua tus choj los ua ke rau hauv daim ntawv thov thiab kev tswj hwm tsis siv neeg uas tuaj yeem sib txuas lus thiab sib pauv cov ntsiab lus thiab kev koom tes. nrog rau ib leeg nyob rau hauv cov hauj lwm niaj hnub ntawm kev tswj tsis siv neeg. . Qhov siab tshaj plaws CAN kev sib txuas lus ceev yog 1Mbps, qhov kev sib kis tam sim yog deb li 10km (qhov ceev yog qis dua 8kbps), thiab tuaj yeem txuas mus txog 110 lub tshuab thiab khoom siv, uas tuaj yeem ua ntau yam kev tshuaj xyuas ntxiv thiab ua haujlwm txhua hnub. SJA1000 yog ib qho kev ywj pheej CAN lub tsheb npav tswj lub rooj tsavxwm tsim los ntawm Philips, uas yog siv rau wireless hauv cheeb tsam hauv cheeb tsam network ntawm cov tswj boards hauv tsheb thiab cov chaw tsim khoom lag luam. Hom kev ua haujlwm (PeliCAN hom) tuaj yeem txuas tau yooj yim nrog CPUs sib txawv los tsim CAN ua haujlwm hauv Is Taws Nem.

Cov khoom siv kho vajtse teeb tsa kev sib txuas lus interface tsim qauv EPM7128 yog siv rau kev hloov dua siab tshiab thiab teeb tsa cov ntaub ntawv teeb liab ntawm lub qhov (socket). Cov tswv yim ntawm EPM7128 los ntawm cov nti xaiv cov ntaub ntawv teeb liab NCS2 ntawm AT91M40800, lub xov tooj ntawm tes them kab D0 ~ D7, qhov chaw nyob kom ntxaws A0 ~ A1, nyeem cov teeb liab NRD, sau cov ntaub ntawv teeb liab NWE thiab qhov system software calibration data signal RST tau dhau los ua qhov kev xav tau thiab kev daws teeb meem, ua rau cov ntaub ntawv ua haujlwm xav tau los ntawm SJA1000. Raws li kev tswj hwm ntawm cov kab hluav taws xob ntawm txhua qhov kev ua haujlwm nti thiab qhov chaw nyob ntawm qhov chaw nres nkoj, nws tuaj yeem sau tau raws li cov tswv yim / tso tawm qhov kev sib raug zoo ntawm CAN tsheb npav transceiver raws li hauv qab no: CAN = NCS2·A0CANALE=NCS2•A0•(NRD+NWE) CANRD=NRDCANWR=NWECANRST=NCS2+RST Cov ncauj lus kom ntxaws chaw nyob chaw nres nkoj ntawm tus xaiv SJA1000 yog 400000H, cov ncauj lus kom ntxaws chaw nyob ntawm cov ntaub ntawv chaw nres nkoj tus xov tooj yog 400001H thiab qhov chaw nyob calibration yog 400002H. Vim hais tias cov ncauj lus kom ntxaws chaw nyob cov ntaub ntawv ntawm CAN tswj board SJA1000 yog multiplexed, cov ncauj lus kom ntxaws chaw nyob cov ntaub ntawv teeb liab ntawm lub tsheb npav system yuav latched raws li lub poob ntug ntawm ALE cov ntaub ntawv teeb liab.

Txawm li cas los xij, lub npav chaw nyob thiab lub tsheb npav ntawm AT91M40800 tau nthuav tawm ntawm nws tus kheej thiab tsis tuaj yeem txuas nrog cov ncauj lus kom ntxaws qhov chaw nyob hauv lub tsheb npav ntawm SJA1000 tam sim ntawd. Yog li ntawd, txhawm rau daws qhov teeb meem ntawm lub qhov (socket) ntawm SJA1000 thiab AT91M40800, tus yuam sij yog yuav ua li cas xa cov ntaub ntawv teeb liab xav tau rau kev tshawb xyuas SJA1000 rau hauv nws. Txoj kev xaiv ntawm no yog ua kom tiav cov haujlwm I / O tiag tiag hauv 2 zaug. Thawj zaug, cov ncauj lus kom ntxaws tus nqi raug xa mus rau cov ncauj lus kom ntxaws chaw nres nkoj tus lej 400000H raws li cov ncauj lus kom ntxaws chaw nyob ntawm SJA1000 module.

Lub sijhawm no, kev xaiv nti tsis raug xaiv, thiab cov ntaub ntawv cov ntaub ntawv yog latched ntawm AD0-AD7 system tsheb npav. Thaum tshawb xyuas cov ntaub ntawv xov xwm chaw nres nkoj tus xov tooj 400001H rau zaum ob, SJA1000 raug xaiv, thiab thawj qhov chaw nyob tus nqi yog loaded rau hauv SJA1000 raws li kev ua haujlwm ntawm ALE cov ntaub ntawv teeb liab, thiab CPU ua haujlwm nyeem / sau cov haujlwm ntawm SJA1000. Calibration tuaj yeem muab faib ua qhov system software calibration thiab program flow calibration.

Lub kaw lus software calibration cov ntaub ntawv teeb liab RST thiab cov kev pab cuam khiav calibration cov ntaub ntawv teeb liab nqa tawm logical los yog tswv yim ua hauj lwm nyob rau hauv EPM7128, ob qho tib si uas yuav ua rau SJA1000 txhim khu kev qha calibration. Txhawm rau kom ntseeg tau qhov kev ntseeg tau zoo ntawm cov ntaub ntawv kev sib txuas lus, txuas lub 120Ω davhlau ya nyob twg cov khoom siv hluav taws xob cuam tshuam rau txhua qhov CAN lub tsheb npav lub davhlau ya nyob twg los ua kom lub tsheb thauj mus los sib piv. TX1 tus pin ntawm SJA1000 yog grounded raws li 10k8 resistor, thiab mem tes teeb liab ntawm RX1 tus pin yuav tsum tau khaws cia siab tshaj 0.9Vcc.

Txwv tsis pub, lub teeb liab pulse xav tau los ntawm lub npav CAN tsis tuaj yeem tsim tawm. Yog tias qhov kev sib txuas lus luv luv thiab qhov cuam tshuam ntawm ib puag ncig ntuj me me, qhov kev tiv thaiv hluav taws xob kho qhov muag hluav taws xob 6N137 tuaj yeem raug tshem tawm. Lub sijhawm no, VREF ntawm 82C251 tuaj yeem txuas nrog RX1 tus pin tam sim, yog li ua kom yooj yim rau lub zog hluav taws xob. Cov ntaub ntawv kev sib txuas lus ntawm ARM microprocessor thiab CAN tsheb npav AT91M40800 tshawb xyuas cov ntaub ntawv cov cim ntawm off-chip nco thiab cov khoom siv sab nraud raws li lub tsheb npav sab nraud (EBI). EBI siv cov txheej txheem kev tshawb nrhiav sib txawv, uas tuaj yeem ua tiav tib lub voj voog ntawm cov khoom siv sab nraud. Lub sij hawm browsing, qhov teeb tsa ntawm EBI hauv cov qauv tsim yog: (1) xaiv 8-ntsis system tsheb npav; (2) xaiv specification nyeem raws tu qauv; (3) xaiv yim lub sijhawm tos lub sijhawm; (4) nti xaiv kab NCS2 Lub hauv paus ntsiab lus chaw nyob yog 400000H.

Tag nrho cov kev khiav dej num yog sau ua lus C ntawm lub tsev qiv ntawv AT91, uas muaj qhov zoo ntawm kev nyeem tau zoo, hloov tau yooj yim heev, kev txhim kho yooj yim thiab tsim, thiab kev hloov kho yooj yim. Reset kom raug yog lub hauv paus rau kev ua haujlwm ib txwm muaj ntawm qhov kev pab cuam ntws. Kev rov pib dua ntawm qhov system software feem ntau yog rov pib dua ntawm AT91M40800 microcontroller thiab SJA1000 (SJA1000 ua haujlwm siv lead ua oscillator circuit 16M). Cov kauj ruam rov pib dua yog pom hauv daim duab 3. Cov txiaj ntsig Kev txheeb xyuas online thiab tsis siv neeg ntau lub taub hau hnyav ntawm cov thee gangue cib tsim los ntawm AT91M40800 txheej txheem nti ntawm ARM microprocessor thiab CAN tsheb npav tswj board SJA1000 raug xaiv. Piv nrog rau cov tsoos CAN tsheb npav Internet ua haujlwm los ntawm MCU, nws yog lub tsheb npav tshiab CAN. kev khiav hauj lwm qhov system.

Cov kev daws teeb meem software raws li kev ua haujlwm ntawm ARM microprocessor thiab CAN tsheb npav muaj kev ua tau zoo, kev ntseeg tau thiab muaj peev xwm sib koom ua ke, uas muab txoj hauv kev tshiab rau cov thev naus laus zis thev naus laus zis.

Author: Smartweigh-Multihead Weighter Manufacturers

Author: Smartweigh-Linear Weighter

Author: Smartweigh-Linear Weigher Packing Tshuab

Author: Smartweigh-Multihead Weighter Packing Tshuab

Author: Smartweigh-Tais Denester

Author: Smartweigh-Clamshell Packing Tshuab

Author: Smartweigh-Kev sib xyaw hnyav

Author: Smartweigh-Doypack Packing Tshuab

Author: Smartweigh-Premade Hnab Packing Tshuab

Author: Smartweigh-Rotary Packing Tshuab

Author: Smartweigh-Vertical Ntim Tshuab

Author: Smartweigh-VFFS Packing Tshuab