Umklamo wohlelo lokulawula i-batching oluzenzakalelayo olusekelwe ku-plc kanye ne-multihead weigher

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

1 Isandulelo Emkhakheni wokukhiqiza isisindo se-Zhongshan Smart, izinongo ngokuvamile ziwukuxuba izinto zokusetshenziswa ngesilinganiso esithile ukuze kukhiqizwe izinto zokusetshenziswa ezintsha. Ngakho-ke, izinongo ziyingxenye ebalulekile yokukhiqiza kulo mkhakha. Enkambisweni yokucubungula, izinto zokusetshenziswa ezahlukene kumele zixutshwe ngokulinganayo ngokuhambisana nesilinganiso, futhi kumele zenziwe ngemishini yezinongo. Kulesi sigaba, izitshalo zokucubungula ngokuvamile zisebenzisa izindlela ezimbili. Indlela yokuqala isebenzisa isisindo esenziwe ngesandla, bese kuba yi-. Ingxenye yezinto zokusetshenziswa ezahlukene ifakwa ngokwahlukana emshinini wokuhlanganisa bese ixutshwa. Enye indlela ukulinganisa okuzenzakalelayo, ukuxuba okuzenzakalelayo ngokugcwele.

Ngenxa yokuthi izinto eziningi zokuqala zokusetshenziswa zingama-powder noma ama-granule, lapho kufakwa izinongo zabasebenzi, umzimba kulula kakhulu ukuhogela uthuli nolunye ukungcola, okubangela izingozi zomsebenzi, okwandisa izingozi zokukhiqiza kanye nezindleko zemali yabantu. Ngakho-ke, izinongo zabasebenzi azikwazi ukuphathwa endaweni yokwakha, futhi zivame kakhulu ukungalingani, hhayi nje kuphela ukuthi ikhwalithi ayikwazi ukuqinisekiswa, kodwa futhi nezindleko zokuphatha ziyanda. Ukuze kuqinisekiswe kangcono ikhwalithi yomkhiqizo futhi kuthuthukiswe umkhiqizo, kunqunywe ukuthi kukhethwe isofthiwe yesistimu yokuhlanganisa ngokuzenzakalelayo enembile nethembekile. 2 Ngokusho kohlelo lokuhlanganisa ngokuzenzakalelayo lwe-PLC, ikhompyutha yokulawula yezimboni kanye ne-multihead weigher Kuhlelo lwamanje lokuhlanganisa ngokuzenzakalelayo lwe-Zhongshan Smart weigh, abasebenzi baqala ngokuthutha izinto zokusetshenziswa baye endaweni yokusebenzela yokulinganisa. Ngemva kokuba isisindo sesiqediwe, izinto zokusetshenziswa zithunyelwa ngesandla emshinini wokuhlanganisa. Ukuze kwenziwe izinongo, indawo yokusebenzela yokukhiqiza izinongo isebenzisa i-multihead weigher ye-Hangzhou Sifang ukuze yenze isisindo. Ngokusho kwe-RS232 port, ixhunywe kuseva yokuzenzakalela yezimboni. Iseva yokuzenzakalela yezimboni etholakala egumbini lokulawula eliyinhloko inesibopho sokurekhoda imiphumela yokulinganisa nokubonisa ulwazi lwedatha yokulinganisa. Ngaphezu kwalokho, umqhubi angalawula ngesandla ukuqala nokuyeka yonke inqubo yokunambitha egumbini lokulawula eliyinhloko ngokuya ngesekethe yokulawula.

Lolu hlobo lwendlela alusebenzi kahle. Ngaphezu kwalokho, inqubo yohlelo lwe-DOS eyathuthukiswa futhi yaklanywa ngolimi lwe-C isebenza kuseva [1], enokukhubazeka okuncane kokukhula kanye nobuchwepheshe obunzima bokuxhumana kwabantu namakhompyutha, futhi ayikwazi ukufeza zonke izimiso zokuhlanganisa ngokuzenzakalelayo. Ukuze kuthuthukiswe kangcono ukusebenza kahle kokukhiqiza kanye nezindleko zokulawula, uhlelo lokuhlanganisa ngokuzenzakalelayo kumele lukhethwe. Uhlelo olusha lusebenzisa isakhiwo sobudlelwano phakathi kwenkosi nenceku.

Ikhompyutha yezimboni isetshenziswa njengeseva ephezulu, kanti i-Siemens PLC PLC[2], i-soft starter kanye ne-multihead weiger zisetshenziswa njengezigqila eziphezulu nezingezansi. Iseva isendaweni eholayo, iqedela ukuphathwa kokuxhumana kanye nokusebenza kwesigqila ngasinye, futhi ixhumanisa i-RS-232 asynchronous communication port yekhompyutha yokulawula yezimboni ne-PLC ngemuva kokuguqulwa kwesignali ye-pulse, idala isiteshi sokuphepha ngokomzimba sokuxhumana phakathi kwamakhompyutha aphezulu naphansi; Xhuma enye i-RS-232 port yeseva echwebeni lokuxhumana lesigqila se-multihead weiger ukuze kwakheke isiteshi sesibili sokuphepha ngokomzimba. Isofthiwe yekhompyutha ephezulu ikhetha indlela yokuvota ukuze ixhumane neziteshi zesigqila ngasinye ngasinye.

Isofthiwe yekhompyutha ephezulu idlulisela imiphumela yokuhlela yonke imisebenzi yansuku zonke ku-PLC. Phakathi nenqubo yonke yokusebenza kwe-PLC, isofthiwe yekhompyutha ephezulu isebenzisa imiyalelo yokuxhuma yesofthiwe yekhompyutha ephezulu ukuqapha ukusebenza kwekhompyutha engezansi kanye nokuqukethwe kwendawo yolwazi lwedatha, futhi ilayishe idatha ye-PLC ngokushesha. Idatha yesikhathi sangempela yesimo sangaphakathi kanye nesisindo sayo samakhanda amaningi iboniswa kusofthiwe yekhompyutha ephethe. Sekukonke, isofthiwe yesistimu inemisebenzi elandelayo: ① Ukuhlanganisa ngokuzenzakalelayo ngokuphelele. Ngemva kokuthi iresiphi eyimfihlo isethiwe, isofthiwe yesistimu ikala ngokuzenzakalelayo izithako ngokuya ngeresiphi eyimfihlo ngaphandle kokungenelela kwabasebenzi abasebenzayo bangempela; ② Inomsebenzi wefomu, ongakhiqiza imibiko yansuku zonke namafomu esikhathi sangempela. kanye nemibiko yanyanga zonke, imibiko yonyaka, njll.; ③Ukuthuthukiswa nokuguqulwa okunamandla kwetafula, isofthiwe yesistimu inikeza abasebenzi abangochwepheshe nabezobuchwepheshe noma abasebenzi abasebenzayo bangempela ukuthi bashintshe ngokuya ngegunya lokuphatha elibekiwe, ithuthukisa ukulawulwa kweresiphi eyimfihlo, futhi iqophe isikhathi kanye nokusebenza kwangempela kokuguqulwa. Inombolo ye-serial yabasebenzi; 4. Umsebenzi wokulungisa ukuvala ugesi, isofthiwe yesistimu ingalungisa amarekhodi okulinganisa anembile ngaphambi kokuba ugesi ucinywe lapho ugesi ucinywa ngokuzumayo; 5. Umsebenzi wokwabelana ngenethiwekhi yendawo, iseva ingabelana ngolwazi lwedatha yezinsiza kunethiwekhi yendawo, futhi indawo yokusebenzela yokukhiqiza inesibopho Abantu bagcina umkhondo wenqubekela phambili yokwakha kanye nezinye izimo. 2.1 Ukwakheka kohlelo Zonke izihlanganisi ze-batching ezizenzakalelayo zakhiwe yikhompyutha yezimboni, i-PLC, isisindo sokukhiqiza izimboni eziningi, isiqalisi esithambile, imoto yokudlidliza, isihlanganisi, inzwa, ibhande lokuhambisa, njll.

Ikhompyutha yokulawula yezimboni ephezulu ibonisa ikhasi lobuchwepheshe bokuxhumana kwabantu nekhompyutha, futhi yenza imisebenzi efana nokuphatha okuqukethwe kolwazi, ukuphathwa kwedatha, ulwazi lokubonisa ulwazi lwedatha, isitoreji, ukuhlaziywa kwezibalo kanye namafomu. Isofthiwe yekhompyutha ephezulu isebenzisa ikhompyutha yokulawula yezimboni ye-IPC810. Imisebenzi yayo ebalulekile yile: Iseva yokuzenzakalela yezimboni kuqala ilayisha iresiphi eyimfihlo yenombolo ethile ye-serial ngokuya ngokulandelana kwabasebenzi bangempela abasebenzayo, bese, ngokuya ngesilinganiso kanye nokuhleleka kwezinongo kuresiphu eyimfihlo, idlulisela umyalo wokuqala izinongo ku-PLC, ukuze i-PLC ikwazi ukuqala isofthiwe ekhethekile. Isiqalisi. Kuyo yonke inqubo yezinongo, iseva yokuzenzakalela yezimboni isebenzisa indlela yokuvota ukulayisha igama lesimo se-PLC ngesikhathi sangempela ukuze ikwazi kahle ukusebenza kwe-PLC kanye nemishini yayo engaphansi; Ulwazi lwedatha yokukala, ngokuya ngesu lezinongo, lapho isisindo siseduze nenani elihleliwe kuresiphu eyimfihlo, iseva ithumela umyalo ku-PLC ukuze iqede izinongo. Lapho zonke izinto zokusetshenziswa kuresiphu eyimfihlo sezilungisiwe, yonke inqubo yazo zonke izinongo iyamiswa, ilinde ukuhleleka kwabasebenzi bangempela abasebenzayo.

Phakathi nenqubo yonke yokusebenza kwesofthiwe yesistimu, i-PLC ixhumana nesofthiwe yekhompyutha ephethe ngesikhathi sangempela ukuqinisekisa ukuvumelana phakathi kolwazi lwedatha oluboniswa ekhasini kanye nolwazi oluthile lwedatha khona lapho. Konke kungathunyelwa ku-PLC ngokushesha. Imisebenzi ebalulekile ye-PLC ifaka: ①Yamukela imiyalelo ecindezelwa yisofthiwe yekhompyutha ephezulu, futhi ulawule ukuqala, ukuma kanye nesivinini semoto yokudlidliza ngokusho kwesiqalo esithambile; ②Layisha isimo sokusebenza kwesiqalo esithambile sisebenze ngesikhathi sangempela Indawo yolwazi lwedatha yememori ilayishwa yikhompyutha yokulawula yezimboni; ③ Lungisa izimo ezahlukahlukene ngokwazo ngesimo samagama esimo, futhi ikhompyutha yokulawula yezimboni ingalayishwa ngokushesha. 2.2 Indlela yokulawula kanye nenqubo yonke yezinongo Ngokusho kokuhlaziywa kwezici zenqubo yonke yezinongo, kutholakala ukuthi yonke inqubo yezinongo inezici ezilandelayo: (1) Inhloso elinganisiwe iyisofthiwe yesistimu engaguquki yodwa. Ayikho indlela yokuthi izinto zokusetshenziswa zibuyele ebhandeni lokuhambisa futhi kusuka emshinini wokuhlanganisa.

(2) Inokulinda kwesikhathi okukhulu. Lapho izinongo zifinyelela inani elibekiwe, i-PLC ilawula injini ukuze iyeke ukudluliselwa kwezinto zokusetshenziswa. Ngalesi sikhathi, kunezinye izinto zokusetshenziswa ebhandeni lokuhambisa ezingeke zithengwe, ngakho-ke isofthiwe yesistimu inokulinda kwesikhathi okukhulu. (3) Isici esingalawuleka ukuthi ukunikezwa kwamandla kuyashintshwa.

Imisebenzi yokuqala nokuma kwesofthiwe yesistimu yonke ishintsha amanani. (4) Uhlelo lokuhlanganisa oluzenzakalelayo luqondile kuzo zonke izindawo zokusebenza ezijwayelekile. Ngakho-ke, sicabangela ukusetshenziswa kwezindlela zokulawula ezifana nesivinini esisheshayo, esisheshayo, kanye nokudluliselwa kwangaphambi kwesikhathi komyalo wokudla wokuqeda, kanye nokusetshenziswa kobuchwepheshe be-PLC bokuzikhiya nokuxhumanisa ukuqinisekisa intuthuko ebushelelezi yezinongo.

Ngemva kokuthi isofthiwe yesistimu isiqalile, ikhompyutha yokulawula yezimboni idlulisela isignali yedatha yokuqala kokuphakela ku-PLC, kanti i-PLC ilawula isiqalisi esithambile ukuze ishayele imoto ukuze iqale ukondla ngokushesha. Ngaphezu kwalokho, iseva yokuzenzakalela yezimboni ilayisha njalo ulwazi lwedatha olunesisindo se-multihead weiger ngokuya ngokuxhumana okulandelanayo. Lapho inani lesisindo eliphelele liseduze nenani elihleliwe, iseva yokuzenzakalela yezimboni idlulisela ikhodi yokulawula yokuqeda ukondla ku-PLC. Ngalesi sikhathi, i-PLC ilawula isiqalisi esithambile ukuze yenze ukondla okuhamba kancane, futhi inani elihleliwe kanye nokondla okuthile kunganqunywa ngokuya ngezinto zokusetshenziswa ezisele enhlanganweni yokudlulisa kusengaphambili. Lapho iphutha kanye nezinto zokusetshenziswa ezisele esakhiweni sokudlulisa kungavamile, i-PLC empeleni ithumela umyalo wokuqeda, owenziwa yi-starter ethambile, bese ilawula imoto ukuthi ivale. Izinyathelo ziboniswe kuMfanekiso 1. Isofthiwe yesistimu yokuhlanganisa ngokuzenzakalelayo 3 Ukuthuthukiswa kwesofthiwe yeseva yokuzenzakalela yezimboni Imisebenzi ebalulekile yansuku zonke yekhompyutha yokulawula yezimboni yile elandelayo: (1) Khombisa ulwazi lokubonisa izithombe lwenqubo yonke yezinongo.

(2) Thumela ikhodi yokulawula ku-PLC bese ulayisha ukusebenza kwe-PLC. (3) Layisha isignali yedatha yokukala kusikali samakhanda amaningi, bonisa inani lokukala esikrinini sokubonisa, bese ucindezela umyalo ku-PLC ngokuya ngolwazi lwedatha yokukala. (4) Umbuzo wedatha kanye nefomu, gcina ulwazi lwedatha yezinongo, ifomu lokukopisha.

(5) Ukuthuthukiswa nokuguqulwa kweresiphi eyimfihlo. (6) Eminye imisebenzi efana ne-alamu eyisizayo yamaphutha avamile ekunandiseni. 3.1 Ukwakheka kwekhasi lesofthiwe yeselula yezinongo Uhlelo lokusebenza lwekhompyutha yokulawula izimboni Uhlelo lokuklama ikhompyutha yokulawula i-Longchuanqiao isikrini sokuthinta izimboni, ukucushwa kohlelo lokulawula izimboni empeleni kuyipulatifomu yesevisi yesofthiwe yokuthuthukisa engathuthukiswa amakhasimende ngokwezidingo zawo.

Singakha futhi siklame isikrini sokuthinta sezimboni esinobungane sazo zonke izinhlelo zokuqapha ividiyo epulatifomu yesevisi ngokwemithethonqubo yobuchwepheshe bokucubungula, futhi umqhubi angaxhumana nemishini nemishini esendaweni ngesikhathi sangempela ngokusho kwaleli khasi. Isofthiwe yeselula ye-Longchuanqiao iyilungiselelo lokuzenzakalela lokulawula izimboni le-HMI/SCADA, elihlinzeka ngethuluzi lokuthuthukisa elinesilinganiso esihlanganisiwe kanye nokubonakala kwedatha. Le software inezici ezilandelayo: (1) Imisebenzi eyahlukahlukene yokuxhumana.

Ukucushwa kweLongchuan Bridge [3] kufanelekela imisebenzi elandelayo yokuxhumana: 1) Kufanelekela izindlela zokuxhumana ezilandelanayo njenge-RS232, RS422, kanye ne-RS485, kanye nezindlela ezifana nokuphindaphinda, ukudayela ngocingo, ukuvota ngocingo kanye nokudayela. 2) Ukuxhumana nge-interface ye-Ethernet kusebenza futhi ku-interface ye-Ethernet yekhebula le-TV kanye ne-interface ye-Ethernet yenethiwekhi engenantambo. 3) Isofthiwe yomshayeli wayo yonke imishini nemishini iyasebenza ku-GPRS, CDMA, GSM kanye nezinye izici ze-inthanethi yeselula.

(2) Isofthiwe yesistimu yokuthuthukiswa nokuklama elula. Izakhi ezahlukahlukene kanye nezilawuli zakha isofthiwe enamandla yokuthuthukiswa nokuklama i-HMI; umbala wokuxhumeka othuthukisiwe kanye nemiphumela yombala we-asymptotic ixazulula inkinga evela emthonjeni wokuthi isoftware yefoni ephathekayo eminingi efanayo isebenzisa imibala eminingi yokuxhumeka kanye nemibala ye-asymptotic, okuwusongo olukhulu ekubuyekezweni kwesixhumi esibonakalayo Inkinga yesivinini esiphezulu kanye nokusebenza kahle okuphezulu kokusebenza kwesofthiwe yesistimu; izinhlobo eziningi zamagrafu amancane ezinto ze-vector zenza kube lula kakhulu ukwenza isixhumi esibonakalayo sephrojekthi yobunjiniyela; bonisa indlela yokucabanga eqondiswe ezintweni, iziguquguquki ezizimele ezingaqondile ezifakiwe, iziguquguquki eziphakathi, iziguquguquki ezizimele zombuzo wedathabheyisi, Kusebenza emisebenzini yangokwezifiso kanye nama-oda angokwezifiso. (3) Vula.

Ukuvuleka kokucushwa kweLongchuan Bridge kubonakala kakhulu kulezi zici ezilandelayo: 1) Sebenzisa i-Excel ukuphequlula umbuzo wedathabheyisi nge-VBA. 2) Isofthiwe yeselula iyisakhiwo sesistimu evulekile, esisebenza ngokugcwele kuzincazelo ze-DDE, OPC, ODBC/SQL, AcTIveX, kanye ne-DNA. Ihlinzeka ngama-socket okuphequlula angaphandle ngezindlela ezahlukene njenge-OLE, COM/DCOM, umtapo wolwazi we-dynamic link, njll., okulula kumakhasimende ukusebenzisa izindawo ezahlukahlukene zokuthuthukiswa ezivamile (njenge-VC++, VB, njll.) ukuze enze intuthuko yesibili ejulile.

3) Ukwakheka kwesistimu yesofthiwe yomshayeli we-I/O yokucushwa kwe-Longchuan Bridge kuyisakhiwo esivulekile, futhi ingxenye yekhodi yomthombo yama-socket ayo ishicilelwe ngokuphelele, futhi amakhasimende angathuthukisa isofthiwe yomshayeli ngokuzimela. (4) Umsebenzi wombuzo wedathabheyisi. Ukucushwa kwe-Longchuan Bridge kufakwe isizindalwazi sochungechunge lwesikhathi, futhi izinhlobo ezahlukene zamabhulokhi asebenzayo afakwe kusizindalwazi sochungechunge lwesikhathi sezindlela zokucubungula idatha kanye nokugcina idatha, okungaqedela ukufingqa, ukuhlaziywa kwezibalo, ukuphathwa, kanye nokuhlelwa kwemigqa, njll. imisebenzi ehlukahlukene. (5) Kusebenza ezinhlobonhlobo zemishini nemishini kanye namabhasi esistimu.

Ifanele i-PLC, isilawuli, ithuluzi lemisebenzi eminingi, i-mobile intelligence terminal kanye ne-intelligence control module ekhiqizwe abakhiqizi abadumile emhlabeni wonke; ngaphezu kwalokho, ifanele futhi i-interface ejwayelekile yekhompyutha njenge-Profibus, Can, LonWorks kanye ne-Modbus. 3.2 Izinga le-I/O lohlelo lwe-Longchuan Bridge lisebenzisa amaphuzu edathabheyisi yesikhathi ukukhombisa amaphuzu e-I/O. Ngemva kokuhlaziywa, isofthiwe yesistimu kumele ibe namaphuzu amathathu e-I/O, futhi amaphuzu amabili okubhekisela kwedatha asetshenziswa ukulawula ukuqala nokuma kwemoto ngokusho kwe-PLC. Ngakho-ke, ukuxhumana kolwazi lwedatha kwala maphuzu amabili kukhethwa njenge-I/Os yevolumu yedatha emibili ye-PLC. Phuma.

Iphuzu lokulingisa lisetshenziselwa ukumela idatha yesikhathi sangempela elayishwe kusuka kusikali samakhanda amaningi, ngakho-ke ulwazi lwedatha kulelo phuzu luxhunywe ekulinganisweni okuqondile kwesikali samakhanda amaningi. 4 Umklamo wohlelo lokuxhumana Umklamo wohlelo lokuxhumana uhlanganisa izingxenye ezintathu, ingxenye yokuqala ukuxhumana phakathi kweseva ne-PLC; ingxenye yesibili ukuxhumana phakathi kweseva nesikali samakhanda amaningi; ingxenye yesithathu ukuxhumana phakathi kwe-PLC nesiqalisi esithambile. 4.1 Ukucushwa kokuxhumana phakathi kweseva ne-PLC kuvame ukushumeka ngesofthiwe yomshayeli we-PLC ethandwayo. Okokuqala, kudalwa umshini omusha we-PLC obonakalayo ekucushweni kweLongchuan Bridge. Imodeli kanye nokucaciswa komshini obonakalayo kumele kuhambisane nohlelo lokusebenza lwangempela. Amamodeli kanye nokucaciswa kwe-PLC kuyafana. Uma ukucaciswa kwemodeli ye-PLC okudingekayo kungatholakali ekucushweni, umenzi wesofthiwe yeselula angagunyazwa ukuthuthukisa nokuklama umshayeli omusha we-PLC walolu hlobo kanye nokucaciswa mahhala ngokuphelele.

Umshini obonakalayo usetshenziselwa ukuphrojusa umshini wangempela. Lapha, i-PLC esetshenziswa yiwo wonke umuntu yi-SimensS7-300, futhi iseva isethelwe ukuxhumana ne-PLC ngokuya ngokuxhumana okulandelanayo 1. 4.2 Ukuxhumana phakathi kweseva kanye ne-multihead weiger. Ku-multihead weiger, sisebenzisa i-multihead weiger evela ku-Hangzhou Sifang. Ukuze senze ukuxhumana phakathi kwephaneli yezinsimbi kanye nokucushwa kube kuhle kakhulu, sigunyaze ngokukhethekile i-Longchuanqiao Enterprise ukuthi ithuthukise iphaneli yezinsimbi. Isofthiwe yomshayeli yenzelwe. Okokuqala, sikhetha uhlobo oludingekayo lwemishini yomshini kusuka kufolda yedrayivu elungiselelwe, futhi kulolu hlobo, sakha imishini yomshini obonakalayo yokuphrojusa i-multihead weiger yangempela, bese sibeka inombolo yephothi yokuxhumana phakathi kwedeshibhodi kanye nekhompyutha kanye nezinqubo zokuxhumana.

4.3 Ukuxhumana phakathi kwe-PLC kanye ne-soft starter Ngenxa yokuthi kunezinhlobonhlobo zezinto zokusetshenziswa endaweni yokukhiqiza izinongo, simise amabhande amaningana okuhambisa ukuze kube lula ukwenza izinongo. Ngakho-ke, i-PLC eyodwa yesistimu yokuhlanganisa ngokuzenzakalelayo kumele ixhunywe eziqalisweni eziningana ezithambile. Ngakho-ke, sisebenzisa ibhasi lesistimu ye-Profibus phakathi kwe-PLC kanye ne-soft starter ukuze senze ukuxhumana, sifaka imojula yokulawula yokuxhumana ye-Profibus ekhethekile ku-soft starter, bese sibeka ikheli eliningiliziwe lesiteshi sesigqila se-soft starter, bese sixhuma ngokuya ngemvamisa yomsakazo we-Profibus. Isilawuli sixhunywe ku-PLC, kanti i-PLC iqedela ukusunduza nokwamukela ifomethi yomlayezo ku-soft starter ngokuya ngohlelo, ithumela igama lokusebenza ku-soft starter, bese ilayisha igama lesimo kusuka ekhaya le-soft starter. I-CPU315-3DP isetshenziswa njengegama lesizinda se-Profibus, futhi i-soft starter ngayinye exhumana negama lesizinda ingabhekwa njengesiteshi sesigqila se-Profibus.

Ngesikhathi sokuxhumana, igama lesizinda likhetha isiteshi sesigqila ukuze sidlulise idatha ngokuya ngesikhombi sekheli esinemininingwane kufomethi yomlayezo wokuxhumana. Isiteshi sesigqila ngokwaso asikwazi ukudlulisa idatha ngenkuthalo, futhi isiteshi ngasinye sesigqila asikwazi ukwenza ngokushesha ukudluliselwa kokuqukethwe kolwazi. Amamodeli okuqala athambile kanye nezincazelo ezisetshenziswa kusofthiwe yesistimu konke kuyimikhiqizo yochungechunge lwe-Siemens MicroMaster430 [4].

Ukhiye wokuxhumana oyinhloko phakathi kwe-PLC kanye ne-soft starter uhilela izincazelo ezimbili. Eyokuqala yifomethi yomlayezo wedatha, kanti eyesibili yigama lokuphatha kanye negama lesimo. (1) Ifomethi yomlayezo wokuxhumana.

Ifomethi yomlayezo ngamunye iqala nge-ID ye-STX, bese ubude bubonisa i-LGE kanye nenani lama-byte ekheli elinemininingwane i-ADR, kulandelwe yi-ID yedatha ekhethiwe. Ifomethi yomlayezo iphela nge-detector BCC yebhulokhi yolwazi lwedatha. Amagama e-Field ayisihluthulelo achazwa kanje: Insimu ye-STX iyi-ID ye-ASCII yebhayithi elilodwa (02hex) ekhombisa ukuqala kokuqukethwe komlayezo. Indawo ye-LGE iyi-byte, ekhombisa inani lama-byte alandelwa okuqukethwe kwalolu lwazi. Indawo ye-ADR iyi-byte eyodwa, okuyikheli elinemininingwane le-node yesiteshi (okungukuthi, i-starter ethambile).

Indawo ye-BCC iyi-checksum enobude be-byte eyodwa, esetshenziselwa ukuhlola ukuthi okuqukethwe kolwazi kuyafaneleka yini. Yinani eliphelele lama-byte ngaphambi kwe-BCC kokuqukethwe komlayezo "XOR" umphumela wokubala. Uma okuqukethwe kolwazi okwamukelwa yi-soft starter kungavumelekile ngokomphumela wokubala we-checksum, izolahla okuqukethwe kolwazi, futhi ngeke ithumele isignali yedatha yempendulo egameni lesizinda.

(2) Igama kanye negama lesimo sokuphatha. I-PLC ingafunda futhi ibhale inani eliguquguqukayo lesiqalo esithambile ngokuya ngendawo ye-PKW yesiqalisi esithambile, bese ishintsha noma iqondise isimo sokusebenza kwesiqalisi esithambile. Kule software yesistimu, i-PLC ifunda ulwazi lwedatha kule ndawo bese ilubeka endaweni yolwazi lwedatha ekhethekile ukuze ikhompyutha yokulawula yezimboni ibuke, futhi umphumela wokubuka ubonisa ulwazi kukhompyutha yokulawula yezimboni.

Imiphumela emi-5 Isofthiwe yesistimu iqede imisebenzi yansuku zonke yokuhlanganisa ngokuzenzakalelayo ngokuya ngokubambisana kwekhompyutha yokulawula yezimboni, i-PLC kanye ne-soft starter. Isofthiwe yesistimu ilethwe futhi yasetshenziswa kusukela ngoMeyi 2008. Isisindo sokuhlanganisa nsuku zonke singamathani ayi-100, futhi kwenziwa izindlela zokupheka eziyi-10 eziyimfihlo. Ezansi naphezulu, ayikwazi ukukhombisa isimo sokusebenza solwazi ngesikhathi sangempela, kodwa futhi ikhombisa imisebenzi yokushintsha nokuthuthukisa iresiphi eyimfihlo; imiyalelo ethile yokusebenza, isofthiwe yesistimu isebenza kahle futhi ngokuthembekile, isikrini sokuthinta sezimboni sihle futhi sinobuhle, futhi ukusebenza kwangempela kulula. Ngaphezu kwalokho, isofthiwe yesistimu isebenzisa ukwakheka kokuthuthukiswa kokucushwa, Inganikeza ukulula kokuthuthukiswa okulandelayo.

Umbhali: Smartweigh– Abakhiqizi Besisindo Esinezinhloko Eziningi

Umbhali: Smartweigh– Isisindo Esiqondile

Umbhali: Smartweigh– Umshini Wokupakisha We-Linear Weigher

Umbhali: Smartweigh– Umshini Wokupakisha Wesisindo Esiningi

Umbhali: Smartweigh– I-Denester yethreyi

Umbhali: Smartweigh– Umshini Wokupakisha we-Clamshell

Umbhali: Smartweigh– Isisindo Esihlanganisiwe

Umbhali: Smartweigh– Umshini Wokupakisha we-Doypack

Umbhali: Smartweigh– Umshini Wokupakisha Isikhwama Esenziwe Ngaphambili

Umbhali: Smartweigh– Umshini Wokupakisha Ojikelezayo

Umbhali: Smartweigh– Umshini Wokupakisha Oqondile

Umbhali: Smartweigh– Umshini Wokupakisha we-VFFS