Ukuqondwa kokuchongwa kwe-intanethi ye-ganggue yamalahle kunye noyilo lwe-multihead weigher esekwe kubuchwephesha obufakwe ngaphakathi kunye ne-fieldbus.

Umbhali: Smartweigh–Multihead Weighter

Intshayelelo Ngenkqubo yophuhliso eqhubekayo yeenkqubo ezifakwe ngaphakathi, i-ARM microprocessor ye-32-bit ye-RISC processing chip kunye nokusebenza okugqwesileyo, ukusetyenziswa kwamandla kunye nexabiso eliphantsi libonisa umgangatho oqinileyo wophuhliso. Izinto eziluncedo kwezi zimbini zibonelela ngesicwangciso esitsha soguqulo lweteknoloji yokulungiselela amalahle. Ukudibanisa inkqubo edibeneyo kunye nethekhnoloji yojongano lwekhompyuter, ukuchongwa okutsha kwi-intanethi kwamaqhuma amalahle kunye ne-ganggue yamalahle kunye ne-automatic multihead weigher iyilwe. Umzobo osisiseko wesakhelo sokuchongwa kwe-intanethi yamaqhuma amalahle kunye ne-ganggue yamalahle kunye nesikali esizenzekelayo esizenzekelayo ngokupheleleyo sibonisiwe kuMfanekiso woku-1.

Ngokwemigaqo yenkqubo yokulungiselela amalahle, isoftware yale nkqubo iqulathe ezi nxalenye zintathu zilandelayo: (1) Inxalenye yokuhlola: Iquka umgqomo wokutya, ibhanti lokuhambisa, ikhamera yeCCD yokubeka iliso, ukuqokelela idatha yesekethe yonikezelo lwamandla, njl. Amalahle acocekileyo agrunjiweyo ahlala equlethe i-ganggue yamalahle, kwaye i-ganggue yamalahle kufuneka ikhethwe kwibhanti yokuhambisa. Ikhamera esweni ye-CCD ithumela imifanekiso yamalahle kunye namalahle e-ganggue kumfanekiso wokuqokelela idatha yesekethe yonikezelo lwamandla ukuguqulwa, kwaye umxholo wolwazi oluguqulelweyo luthunyelwa kwi-ARM microprocessor, ethunyelwa kwi-PC ngokutsho kwi-CAN yebhasi ye-Intanethi ukuze kulungiswe.

(2) Inxalenye yokuchonga kunye nokukhohlisa: Iqulunqwe ngekhompyutha ye-elektroniki, i-ARM microprocessor kunye nokulinganisa kunye nokulawula iteknoloji kunye nezixhobo. Sisitshixo kuyo yonke inkqubo yesoftware. Isiqulatho sothuthu lwamalahle kunye namalahle egangue sibalwa ngokwe-algorithm yombono wekhompyuter. Emva kokuba i-microprocessor ye-ARM ichonge kwaye ihlukanise izitena ze-ganggue zamalahle, i-posture yokusebenza iqhutywe. Ukuba ichongiwe njengamalahle, kwaye umsebenzi awusebenzi ngokuyinxenye, amalahle acocekileyo ngokuqinisekileyo aya kuwela kwindawo ehlala amalahle kwaye ahanjiswe ngaphandle kumjelo wokhuseleko lwebhloko yamalahle.

Ukuba ichongiwe njenge-coal gangue, isignali yedatha yokulawula iya kuthunyelwa ngaphandle, kwaye i-valve yesango iya kuvulwa, ukwenzela ukuba i-coal gangue iya kuwela kumjelo wokhuseleko lwamalahle. (3) Umbutho wokuhlela we-Express: Iqulunqwe ngevalve yesango, ibhakethi yezinto ekrwada kunye nenkqubo yezixhobo zokuhambisa amandla esoftware, njl.njl. Ngokwe-CAN ibhasi ye-Intanethi, ukuhlolwa ngokuzenzekelayo kunye nokuthuthwa kwamalahle kunye namalahle e-ganggue kwiitshaneli ezininzi ezikhuselekileyo zenziwa. Inkcazo eneenkcukacha yokwaziswa kwe-chip ye-AT91M40800AT91M40800 yi-chip ye-processing kunye nexabiso eliphezulu lokusebenza kwi-ATMEL ye-16-bit / 32-bit yenkqubo ye-microprocessor series iimveliso ezisekelwe kwi-ARM7TDMI core. Isitshixo yinkqubo ye-32-bit enentsebenzo egqwesileyo ye-RISC (I-Reduced Intro-duction Set Computer) ye-architecture ye-architecture, kwaye ine-16-bit (isithupha) inkqubo yokufundisa.

Ngokwenkqubo yebhasi yesokethi yangaphandle (EBI) yesilawuli esicwangcisiweyo, iqhagamshelwe ngoko nangoko kwiinkumbulo ezahlukeneyo ze-off-chip ezibandakanya iFLASH. Iibhodi ezisibhozo eziphazamisayo zokulawula ii-vector kunye ne-on-chip field data data control boards ziphucula kakhulu ukusebenza kwexesha lokwenyani lamacandelo. uphawu. I-AT91M40800 idibanisa i-ARM7DMIARMThumbCPU engundoqo, ibonelela nge-9kB kwi-chip SRAM, imigca esibhozo ekhethiweyo ye-chip, i-32 yesilawuli esicwangcisiweyo se-I / O izibuko, kunye ne-8-bit okanye i-16-bit ye-bus ye-software yefowuni yesilawuli esicwangcisiweyo. Imowudi ephathwayo Indawo yangaphakathi ye-64MB, i-2 USARTs, nganye i-USART ineendlela ezimbini ezinikezelweyo zebhodi yolwazi lwedatha yedatha yangaphandle, i-watchdog yomlawuli ocwangcisiweyo eyakhelweyo i-1 timer, ezisibhozo zinokubaluleka, zinokuzimela Ibhodi yokulawula i-Masked space vector termination, i-4 yangaphandle yokuphazamisa ukuphazamisa. iinkumbulo, iziphazamiso ezi-4 zangaphandle ezibandakanya ukubekwa phambili okuphezulu, isicelo esisezantsi sokuphazamiseka kwe-latency, i-3 yangaphandle ye-clock yedijithali igalelo, i-3 ekhuselekileyo yeshaneli ye-16-bit timer / i-electronic counter. I-SJA1000 kufuneka ibe nolawulo olusemgangathweni kunye nolawulo lwemithombo yolwazi kuba kukho umgama othile phakathi kweyadi yamalahle, intaba yamalahle e-ganggue kunye neworkshop yokuvelisa.

Itekhnoloji yojongano lwekhompyuter inokuguqula umlinganiso ochanekileyo kunye nokwabiwa kwamagunya kunye neenkqubo zolawulo zibe ziindawo, kwaye isebenzise ibhasi yenkqubo njengebhulorho ukuyidibanisa ibe yinkqubo yesicelo kunye nenkqubo yolawulo oluzenzekelayo enokunxibelelana omnye komnye kunye nokutshintshiselana ngomxholo wolwazi kunye nokusebenzisana. omnye nomnye kwimisebenzi yemihla ngemihla yenkqubo yolawulo oluzenzekelayo. . Isantya esiphezulu sonxibelelwano lwe-CAN yi-1Mbps, umgama wokuhambisa ngokukhawuleza ufikelele kwi-10km (isantya singaphantsi kwe-8kbps), kwaye ukuya kuthi ga kwi-110 imishini kunye nezixhobo ezinokudityaniswa, ezinokwenza uvavanyo olongezelelweyo oluninzi kunye nemisebenzi yemihla ngemihla. I-SJA1000 yibhodi yokulawula ibhasi ye-CAN ezimeleyo eyenziwa yi-Philips, esetyenziselwa uthungelwano lwengingqi olungenacingo lweebhodi zokulawula kwiimoto kunye neendawo eziqhelekileyo zokuvelisa ishishini. Imowudi yokusebenza (imodi yePeliCAN) inokudityaniswa ngokulula kunye neeCPU ezahlukeneyo ukwenza i-CAN yokusebenza kwe-Intanethi.

I-hardware yoqwalaselo lonxibelelwano lwe-interface yesikimu soyilo lwe-EPM7128 isetyenziselwa ukuguqulwa kunye nokucwangciswa kweempawu zedatha phakathi kweesokethi. Igalelo le-EPM7128 livela kuphawu lwedatha yokukhetha itshiphu ye-NCS2 ye-AT91M40800, umgca wokutshaja wefowuni ephathwayo D0~D7, idilesi eneenkcukacha A0~A1, isignali efundwayo ye-NRD, ukubhala Isignali yedatha i-NWE kunye nesistimu yedatha yokulinganisa uphawu lwe-RST. baye bafumana isisombululo sangaphakathi esinengqiqo kunye nesibanzi, okubangelwa isibonakaliso sedatha yesenzo esifunwa yi-SJA1000. Ngokolawulo lwentambo yombane yetshiphu yokucubungula nganye kunye nokwabelwa kwedilesi yezibuko, inokubhalwa njengegalelo/isiphumo solandelelwano lolandelelwano olunengqiqo lwe-CAN umdlulisi webhasi ngolu hlobo lulandelayo: CAN=NCS2·A0CANALE=NCS2•A0•(NRD+NWE) CANRD=NRDCANWR=NWECANRST=NCS2+RST Inombolo yedilesi eneenkcukacha ye-SJA1000 ekhethiweyo yi-400000H, idilesi eneenkcukacha yenombolo yezibuko yolwazi yi-400001H kunye nedilesi yezibuko yokulinganisa yi-400002H. Ngenxa yokuba ulwazi lweenkcukacha zedilesi ye-CAN yebhodi yokulawula i-SJA1000 i-multiplexed, isibonakaliso sedatha yedilesi eneenkcukacha kwibhasi yenkqubo inokutsalwa ngokuhambelana nokuwa kwe-ALE yesignali yedatha.

Nangona kunjalo, idilesi yebhasi kunye nebhasi yenkqubo ye-AT91M40800 inikezelwa ngokuzimeleyo kwaye ayinakuqhagamshelwa kwi-bus ye-adresi eneenkcukacha ye-SJA1000 ngokukhawuleza. Ngoko ke, ukujongana nengxaki ye-socket ye-SJA1000 kunye ne-AT91M40800, isitshixo yindlela yokuthumela isignali yedatha efunekayo yokukhangela i-SJA1000 kuyo. Indlela ekhethiweyo apha kukuqhuba umsebenzi we-I/O wangempela ngamaxesha e-2. Ngethuba lokuqala, ixabiso ledilesi eneenkcukacha lithunyelwa kwinombolo yedilesi yedilesi ye-400000H njengedilesi ecacileyo yemodyuli ye-SJA1000.

Ngeli xesha, ukhetho lwe-chip alukhethwanga, kwaye ulwazi lwedatha lufakwe kwi-AD0-AD7 yebhasi yenkqubo. Xa uphequlula inombolo yedatha yedatha ye-port ye-400001H okwesibini, i-SJA1000 ikhethiwe, kwaye ixabiso lokuqala ledilesi eneenkcukacha lilayishwe kwi-SJA1000 phantsi komsebenzi we-ALE yesignali yedatha, kwaye i-CPU yenza umsebenzi wokufunda / ubhale ngokwenene kwi-SJA1000. Ulungelelwaniso lunokwahlulwa lube lulungelelwaniso lwesoftware yenkqubo kunye nolungelelwaniso lokuqukuqela kwenkqubo.

Isignali yedatha ye-software yokulinganisa i-RST kunye neprogram yokulinganisa ukulinganisa idatha yesignali yenza umsebenzi onengqondo okanye osebenzayo kwi-EPM7128, nokuba yiyiphi enokuyenza i-SJA1000 ukulinganisa okuthembekileyo. Ukuze uqinisekise ngcono ukuthembeka konxibelelwano lwedatha, qhagamshela i-120Ω isixhobo se-terminal esibonakalisa isichasi somphezulu kwisixhobo ngasinye sesikhululo sebhasi ye-CAN ukwenza inkqubo yokumelana nebhasi. I-TX1 pin ye-SJA1000 isekelwe ngokwe-resistor ye-10k8, kwaye i-pulse signal ye-RX1 pin kufuneka igcinwe ngaphezu kwe-0.9Vcc.

Ngaphandle koko, isignali ye-pulse enengqiqo efunwa yibhasi ye-CAN ayikwazi ukuveliswa. Ukuba umgama wonxibelelwano umfutshane kwaye impembelelo yendawo yendalo incinci, i-optical protection power circuit 6N137 ingashiywa. Ngeli xesha, i-VREF ye-82C251 inokudityaniswa kwi-pin ye-RX1 ngokukhawuleza, ngaloo ndlela yenza lula isiphaluka samandla. Unxibelelwano lwedatha phakathi kwe-ARM microprocessor kunye ne-CAN ibhasi ye-AT91M40800 ikhangela imiqondiso yedatha ye-off-chip memory kunye namacandelo angaphandle ngokwenkqubo yebhasi yesokethi (EBI). I-EBI isebenzisa iiprotocol ezahlukeneyo zokukhangela, ezinokugqiba umjikelo omnye wamacandelo angaphandle. Ukukhangela ixesha, ukusetwa kwe-EBI kwisikimu soyilo: (1) khetha ibhasi ye-8-bit yenkqubo; (2) khetha iprotocol yokufunda ecacisiweyo; (3) khetha ixesha lokulinda lomjikelo osibhozo; (4) chip khetha umgca NCS2 Idilesi eneenkcukacha ezisisiseko yi-400000H.

Ukuhamba kweprogram yonke kubhalwe ngolwimi lweC lwelayibrari ye-AT91, enenzuzo yokufunda okuqinileyo, kulula kakhulu ukutshintshwa, uphuhliso olulula kunye noyilo, kunye nohlengahlengiso olufanelekileyo. Ukusetha ngokutsha okufanelekileyo sisiseko sokusebenza okuqhelekileyo kokuhamba kweprogram. Ukusetwa kwakhona kwesoftware yenkqubo ikakhulu kuphinda kusetyenziswe i-AT91M40800 microcontroller kunye ne-SJA1000 (i-SJA1000 esebenzayo ye-crystal oscillator circuit 16M). Amanyathelo okusetha ngokutsha abonisiwe kwi-Figure 3. Iziphumo Ukuchongwa kwe-intanethi kunye ne-automatic multihead weigher yezitena ze-ganggue zamalahle ezenziwe nge-AT91M40800 ye-chip ye-ARM microprocessor kunye nebhodi yokulawula ibhasi ye-CAN SJA1000 zikhethiwe. Xa kuthelekiswa ne-Intanethi ye-CAN yebhasi esetyenziswa yi-MCU, yinoveli yebhasi ye-CAN. inkqubo yokwenza.

Isofthiwe yenkqubo yesisombululo esekelwe kwinkqubo yokusebenza edibeneyo ye-ARM microprocessor kunye ne-CAN ibhasi inokufezekiswa okugqwesileyo, ukuthembeka kunye nokukwazi ukulungelelanisa, okubonelela ngendlela entsha yeteknoloji yokulungiselela amalahle.

Umbhali: Smartweigh–Multihead Weighter Manufacturers

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