Mapangidwe a automatic batching control system yotengera plc ndi multihead weigher

Wolemba: Smartweigh-Multihead Weighter

1 Mawu Oyamba M'munda wa Zhongshan Smart sikelo yopanga, zokometsera nthawi zambiri zimakhala kusakaniza kwazinthu zopangira mugawo linalake kuti apange zopangira zatsopano. Chifukwa chake, zokometsera ndichinthu chofunikira kwambiri pakupanga gawo ili. Pokonza, zida zosiyanasiyana zopangira ziyenera kusakanikirana molingana ndi kuchuluka kwake, ndipo ziyenera kuchitidwa ndi makina opangira zokometsera. Panthawi imeneyi, mafakitale opangira zinthu amagwiritsa ntchito njira ziwiri. Njira yoyamba imagwiritsa ntchito kuyeza kwake, ndiyeno idzakhala Kuchuluka kwa zipangizo zosiyanasiyana zopangira padera kumayikidwa mu makina osakaniza ndi kusakaniza. Njira ina ndiyo kuyeza zodziwikiratu, kusanganikirana kwathunthu.

Chifukwa zida zambiri zoyambira ndi ufa kapena ma granules, pamene zokometsera za ogwira ntchito, thupi limakhala losavuta kutulutsa fumbi ndi dothi lina, zomwe zimayambitsa ngozi zapantchito, kuwonjezereka kwa ngozi zopanga komanso ndalama za anthu. Choncho, zokometsera za ogwira ntchito sizingayendetsedwe pamalo omanga, ndipo zimakhala zosavuta kusagwirizana, osati khalidwe lokha lomwe silingatsimikizidwe, komanso mtengo wa kasamalidwe ukuwonjezeka. Pofuna kuwonetsetsa kuti zinthu zili bwino komanso kuti zokolola zikuyenda bwino, zanenedwa kuti pulogalamu yolondola komanso yodalirika ya batching system iyenera kusankhidwa. 2 Malinga ndi makina opangira ma batching a PLC, makompyuta owongolera mafakitale ndi choyezera chamitundu yambiri Mu makina apano a Zhongshan Smart batching, ogwira ntchito amayamba kunyamula zida zopangira zoyezera. Kuyeza kukatha, zopangira zimatumizidwa pamanja pamakina ophatikizira. Kuti akwaniritse zokometsera, malo opangira masekeli amagwiritsa ntchito choyezera mitu yambiri ya Hangzhou Sifang poyeza. Malinga ndi doko la RS232, imalumikizidwa ndi seva yama automation ya mafakitale. Seva yopangira makina opangira mafakitale yomwe ili m'chipinda chachikulu chowongolera ili ndi udindo wojambulitsa zotsatira zoyezera ndikuwonetsa zidziwitso zoyezera. , Komanso, woyendetsa akhoza pamanja kulamulira chiyambi ndi kuyimitsa kwa ndondomeko yonse ya zokometsera mu chipinda chachikulu ulamuliro malinga ndi dera ulamuliro.

Njira yamtunduwu siyothandiza. Kuonjezera apo, ndondomeko ya pulogalamu ya DOS yopangidwa ndi kupangidwa m'chinenero cha C ikugwira ntchito pa seva [1], yomwe ili ndi zovuta zowonongeka komanso teknoloji yovuta yogwiritsira ntchito makompyuta a anthu, ndipo sangathe kuchita zonse zomwe zimapangidwira. Kuti muwongolere bwino ntchito zopangira komanso kuwongolera ndalama, makina odziyimira pawokha amayenera kusankhidwa. Dongosolo latsopanoli litengera dongosolo la ubale wa mbuye-kapolo.

Kompyuta yamakampani imagwiritsidwa ntchito ngati seva yapamwamba, ndipo Nokia PLC PLC[2], zoyambira zofewa komanso zoyezera mitu yambiri zimagwiritsidwa ntchito ngati akapolo apamwamba komanso otsika. Seva ili m'malo otsogola, imamaliza kasamalidwe ka mayendedwe ndi magwiridwe antchito a kapolo aliyense, ndikulumikiza doko la RS-232 lolumikizana mosagwirizana la makompyuta owongolera mafakitale ndi PLC pambuyo pa kutembenuka kwa ma pulse sign, ndikupanga njira yotetezedwa yolumikizirana pakati pawo. makompyuta apamwamba ndi apansi; Lumikizani doko lina la RS-232 la seva ku doko lolumikizirana la multihead weigher kuti mupange njira yachiwiri yachitetezo. Mapulogalamu apakompyuta apamwamba amasankha njira yovota kuti alankhule ndi malo akapolo mmodzimmodzi.

Mapulogalamu apamwamba apakompyuta amatumiza zotsatira zakukonzekera kwathunthu kwa ntchito za tsiku ndi tsiku ku PLC. Panthawi yonse ya ntchito ya PLC, mapulogalamu apamwamba apakompyuta amagwiritsa ntchito malangizo okhudzana ndi mapulogalamu apamwamba apakompyuta kuti ayang'ane ntchito ya makompyuta apansi ndi zomwe zili m'dera lachidziwitso cha deta, ndikunyamula deta ya PLC nthawi yomweyo. Deta yeniyeni ya zochitika zamkati ndi choyezera chake chamitundu yambiri chikuwonetsedwa pamapulogalamu apakompyuta. Pazonse, pulogalamu yamakina ili ndi ntchito zotsatirazi: ① Batching kwathunthu. Pambuyo pa Chinsinsi chachinsinsi, pulogalamu ya pulogalamuyo imayesa zosakaniza molingana ndi Chinsinsi chachinsinsi popanda kulowererapo kwa ogwira ntchito enieni; ② Ili ndi ntchito ya mawonekedwe, yomwe imatha kupanga malipoti a tsiku ndi tsiku ndi mawonekedwe enieni. ndi malipoti a mwezi uliwonse, malipoti apachaka, ndi zina zotero; ③Kupititsa patsogolo mphamvu ndi kusinthidwa kwa tebulo, pulogalamu yamapulogalamu imapereka akatswiri ndi akatswiri ogwira ntchito kapena ogwira ntchito enieni kuti asinthe molingana ndi olamulira omwe aikidwa, kumawonjezera kulamulira kwachinsinsi, ndikulemba nthawi ndi ntchito yeniyeni ya kusinthidwa. Nambala ya serial ya antchito; 4. Ntchito yokonza mphamvu, pulogalamu ya pulogalamuyo imatha kukonza zolemba zolondola zoyezera mphamvu isanazimitsidwe pamene mphamvu yazimitsidwa mwadzidzidzi; 5. Ntchito yogawana maukonde amdera lanu, seva imatha kugawana zidziwitso pamaneti amderali, ndipo msonkhano wapagulu uli ndi udindo. 2.1 Mapangidwe a dongosolo Onse osakaniza batching mixers amapangidwa ndi mafakitale kompyuta, PLC, mafakitale kupanga multihead weigher, zofewa sitata, kugwedera galimoto, chosakanizira, sensa, conveyor lamba, etc.

Kompyuta yapamwamba yoyang'anira mafakitale imawonetsa tsamba laukadaulo wolumikizana ndi makompyuta a anthu, ndipo imagwira ntchito monga kuwongolera zomwe zili mkati, kasamalidwe ka database, zidziwitso zowonetsera zidziwitso, kusungirako, kusanthula ziwerengero ndi mafomu. Mapulogalamu apakompyuta apamwamba amagwiritsa ntchito makompyuta a IPC810. Ntchito zake zazikulu ndi izi: Seva yopangira makina opanga mafakitale imayamba kunyamula chinsinsi cha nambala inayake ya serial molingana ndi dongosolo la ogwira ntchito enieni, ndiyeno, malinga ndi gawo ndi dongosolo la zokometsera mu Chinsinsi, amatumiza lamula kuti muyambe zokometsera ku PLC, kuti PLC iyambe mapulogalamu apadera. Woyambitsa. Munthawi yonse yokonzera zokometsera, makina opangira makina amafakitale amagwiritsa ntchito njira yovota kuti akweze mawu a PLC munthawi yeniyeni kuti adziwe momwe PLC imagwirira ntchito ndi makina omwe ali pansi pake; Kulemera deta zambiri, malinga ndi zokometsera njira, pamene kulemera ali pafupi mtengo preset mu Chinsinsi Chinsinsi, seva amatumiza lamulo kwa PLC kuthetsa zokometsera. Pamene zipangizo zonse pa Chinsinsi chachinsinsi zakonzedwa, ndondomeko yonse ya zokometsera zonse imayimitsidwa, kuyembekezera dongosolo la ogwira ntchito enieni.

Panthawi yonse yogwiritsira ntchito mapulogalamu a pulogalamu, PLC imalankhulana ndi mapulogalamu apakompyuta omwe ali nawo mu nthawi yeniyeni kuti atsimikizire kugwirizana pakati pa chidziwitso cha deta chomwe chikuwonetsedwa patsamba ndi chidziwitso cha deta pomwepo. Zonse zitha kutumizidwa ku PLC nthawi yomweyo. Ntchito zazikuluzikulu za PLC zikuphatikiza: ①Landirani malangizo omwe amakankhidwa ndi pulogalamu yapakompyuta yapamwamba, ndikuwongolera kuyambika, kuyimitsa ndi liwiro la mota yogwedezeka molingana ndi choyambira chofewa; ②Kwezani mawonekedwe a ntchito yoyambira yofewa kuti igwire ntchito munthawi yeniyeni Malo achidziwitso cha data amasungidwa ndi makompyuta owongolera mafakitale; ③ Konzani mikhalidwe yosiyanasiyana yokha mwa mawonekedwe a mawu, ndipo kompyuta yoyang'anira mafakitale imatha kuyikidwa nthawi yomweyo. 2.2 Njira yowongolera ndi njira yonse yokometsera Malinga ndi kusanthula kwa mawonekedwe a zokometsera zonse, zimapeza kuti njira yonse ya zokometsera ili ndi izi: (1) Cholinga choyezera ndi pulogalamu yaunilateral yosasinthika. . Palibe njira yoti zopangira zibwererenso ku lamba wotumizira kuchokera pamakina a batching.

(2) Ili ndi nthawi yochedwa kwambiri. Zokometsera zikafika pamtengo wokonzedweratu, PLC imayang'anira galimoto kuti iyimitse kufalitsa kwa zipangizo. Panthawiyi, pali zinthu zina zopangira pa lamba wa conveyor zomwe sizingagulidwe, kotero pulogalamu yamakina imakhala ndi nthawi yayitali. (3) Chowongolera ndi chakuti magetsi amatha kusintha.

Kuyamba ndi kuyimitsa machitidwe a pulogalamu yamapulogalamu onse ndikusintha kuchuluka. (4) Makina ojambulira odziyimira pawokha ndi mzere m'malo onse ogwirira ntchito. Chifukwa chake, timaganizira kugwiritsa ntchito njira zowongolera monga kuthamanga, kuthamanga pang'onopang'ono, komanso kutumiza koyambirira kwa lamulo loletsa kudyetsa, komanso kugwiritsa ntchito ukadaulo wodzitsekera wa PLC ndi kutsekereza kuonetsetsa kuti zokometsera zikuyenda bwino.

Pulogalamu yamakina ikayamba, kompyuta yoyang'anira mafakitale imatumiza chizindikiro chakuyamba kudyetsa ku PLC, ndipo PLC imawongolera choyambira chofewa kuti chiwongolere injini kuti iyambe kudyetsa mwachangu. Kuphatikiza apo, seva yamagetsi yamagetsi imanyamula mosalekeza zidziwitso zoyezera za multihead weigher malinga ndi kulumikizana kwa serial. Kulemera kwa ukonde kukakhala pafupi ndi mtengo wokonzedweratu, seva yodzipangira yokha yamafakitale imatumiza kachidindo kuti athetse kudyetsa ku PLC. Panthawiyi, PLC imayang'anira choyambira chofewa kuti chizidyetsa pang'onopang'ono, ndipo mtengo wokonzedweratu ndi kudyetsa kwapadera kungadziwike molingana ndi zotsalira zotsalira pa bungwe lopatsirana pasadakhale. Zolakwika ndi zotsalira zotsalira pamapangidwe opatsirana sizikhala zachilendo, PLC imatumiza lamulo loletsa, lomwe limachitidwa ndi choyambira chofewa, kenako ndikuwongolera mota kuti izitseke. Masitepe akuwonetsedwa mu Chithunzi 1. Mapulogalamu a pulogalamu ya batching system 3 Kupanga mapulogalamu a mapulogalamu a Industrial automation server Ntchito zazikulu za tsiku ndi tsiku za makompyuta olamulira mafakitale ndi awa: (1) Onetsani chidziwitso chowonetsera makanema cha ndondomeko yonse ya zokometsera.

(2) Tumizani kachidindo ku PLC ndikukweza magwiridwe antchito a PLC. (3) Kwezani siginecha yoyezera pa choyezera chambiri, wonetsani mtengo woyezera pazenera, ndikukankhira lamulo ku PLC molingana ndi chidziwitso cha data. (4) Funso la database ndi mawonekedwe, sungani zambiri za zokometsera, kope fomu.

(5) Kusintha ndi kusinthidwa kwa Chinsinsi chachinsinsi. (6) Ntchito zina monga alamu wothandizira pazovuta zomwe wamba pazokometsera. 3.1 Mapangidwe a tsamba la zokometsera pulogalamu ya foni yam'manja The mafakitale ulamuliro kompyuta ntchito Longchuanqiao kasinthidwe kamangidwe kamangidwe mafakitale kukhudza chophimba, mafakitale ulamuliro dongosolo kasinthidwe kwenikweni ndi chitukuko mapulogalamu utumiki nsanja kuti akhoza kupangidwa ndi makasitomala malinga ndi zosowa zawo.

Titha kupanga ndi kupanga ochezeka mafakitale kukhudza chophimba machitidwe onse kanema anaziika pa nsanja utumiki molingana ndi processing ndondomeko zamakono malamulo, ndi woyendetsa akhoza kucheza ndi pa malo makina ndi zipangizo mu nthawi yeniyeni malinga ndi tsamba ili. Longchuanqiao pulogalamu ya foni yam'manja ndi HMI / SCADA mafakitale owongolera makina, omwe amapereka chida chachitukuko chokhala ndi chiŵerengero chophatikizika ndi mawonekedwe a data. Pulogalamuyi ili ndi zotsatirazi: (1) Ntchito zosiyanasiyana zoyankhulirana.

Kukonzekera kwa Longchuan Bridge [3] ndi koyenera pazigawo zoyankhulirana zotsatirazi: 1) Ndikoyenera njira zoyankhulirana zachinsinsi monga RS232, RS422, ndi RS485, komanso njira monga kubwereza, kuyimba foni, kuvotera foni ndi kuyimba. 2) Kuyankhulana kwa Efaneti kumagwiritsidwanso ntchito ku mawonekedwe a chingwe cha TV Efaneti ndi mawonekedwe opanda zingwe. 3) Mapulogalamu oyendetsa makina onse ndi zida zimagwira ntchito ku GPRS, CDMA, GSM ndi zina zamtundu wa intaneti.

(2) Mapulogalamu opangira chitukuko ndi mapangidwe apangidwe. Zigawo zosiyanasiyana ndi zowongolera zimapanga pulogalamu yamphamvu yachitukuko cha HMI ndi kapangidwe kake; mtundu wolumikizana bwino komanso mawonekedwe amtundu wa asymptotic amathetsa vutoli kuchokera ku gwero lomwe mapulogalamu ambiri ofanana a foni yam'manja amagwiritsa ntchito mitundu yambiri yolumikizirana ndi mitundu ya asymptotic, yomwe ndiwopseza kwambiri kusintha kwa mawonekedwe. mitundu yambiri ya ma graph ang'onoang'ono a vector imapangitsa kukhala kosavuta kupanga mawonekedwe a projekiti ya uinjiniya; wonetsani njira yolingalira yoyang'ana pa chinthu, zosintha zosalunjika, zosintha zapakatikati, funso lankhokwe zodziyimira pawokha, Zogwirizana ndi machitidwe ndi madongosolo achikhalidwe. (3) Tsegulani.

Kutseguka kwa kasinthidwe ka Longchuan Bridge kumawonekera makamaka muzinthu izi: 1) Gwiritsani ntchito Excel kuti mufufuze funso la database ndi VBA. 2) Mapulogalamu a foni yam'manja ndi zomangamanga zotseguka, zomwe zimagwira ntchito ku DDE, OPC, ODBC/SQL, ActiveX, ndi DNA. Imakhala ndi zotchingira zakunja zamitundu yosiyanasiyana monga OLE, COM/DCOM, dynamic link library, etc., yomwe ndi yabwino kwa makasitomala kugwiritsa ntchito malo osiyanasiyana otukuka (monga VC++, VB, etc.) kuti achite mozama. chitukuko chachiwiri.

3) Kapangidwe kachitidwe ka Longchuan Bridge kasinthidwe ka I/O pulogalamu yoyendetsa ndi mawonekedwe otseguka, ndipo gawo la magwero a sockets ake limasindikizidwa kwathunthu, ndipo makasitomala amatha kupanga mapulogalamu oyendetsa paokha. (4) Ntchito yamafunso a database. Kukonzekera kwa Longchuan Bridge kumaphatikizidwa ndi nkhokwe yanthawi yayitali, ndipo midadada yosiyanasiyana yogwira ntchito imayikidwa mumndandanda wanthawi yanthawi yosinthira deta ndi kusungirako, komwe kumatha kumaliza mwachidule, kusanthula ziwerengero, kuwongolera, ndi kupanga mzere. etc. ntchito zosiyanasiyana. (5) Yogwiritsidwa ntchito pamakina osiyanasiyana ndi zida ndi mabasi adongosolo.

Ndi oyenera PLC, wolamulira, Mipikisano ntchito chida, mafoni anzeru terminal ndi wanzeru control module opangidwa ndi opanga otchuka padziko lonse; Kuphatikiza apo, ndi yoyeneranso pamakompyuta omwe ali ndi makompyuta monga Profibus, Can, LonWorks ndi Modbus. 3.2 Mulingo wa I/O wa dongosolo la Longchuan Bridge kasinthidwe umagwiritsa ntchito malo osungira nthawi kuti asonyeze mfundo za I/O. Pambuyo pakuwunika, pulogalamu yamakina iyenera kukhala ndi mfundo zitatu za I / O, ndipo mfundo ziwiri zowunikira deta zimagwiritsidwa ntchito kuwongolera kuyambika ndi kuyimitsidwa kwa mota molingana ndi PLC. Chifukwa chake, kulumikizana kwa chidziwitso cha data pazigawo ziwirizi kumasankhidwa ngati ma voliyumu awiri a data I/Os a PLC. Potulukira.

Malo ofananira amagwiritsidwa ntchito kuyimira nthawi yeniyeni yomwe imayikidwa kuchokera ku multihead weigher, kotero kuti chidziwitso cha deta pa nthawiyo chikugwirizana ndi muyeso weniweni wa multihead weigher. 4 Kupangana kwamapulogalamu olumikizirana Kupanga kwamapulogalamu olumikizirana kumaphatikizapo magawo atatu, gawo loyamba ndi kulumikizana pakati pa seva ndi PLC; gawo lachiwiri ndi kulumikizana pakati pa seva ndi choyezera mutu wambiri; gawo lachitatu ndi kulumikizana pakati pa PLC ndi choyambira chofewa. 4.1 Kulumikizana pakati pa seva ndi PLC nthawi zambiri kumaphatikizidwa ndi pulogalamu yotchuka yoyendetsa PLC. Choyamba, makina atsopano a PLC amapangidwa mu kasinthidwe ka Longchuan Bridge. Chitsanzo ndi ndondomeko ya makina enieni ayenera kugwirizana ndi ntchito yeniyeni. Mitundu ya PLC ndi mafotokozedwe ndi ofanana. Ngati zofunikira zamtundu wa PLC sizipezeka pakusinthidwe, wopanga mapulogalamu a foni yam'manja amatha kuloledwa kupanga ndikupanga dalaivala watsopano wa PLC wamtunduwu ndi mawonekedwe ake kwaulere.

Makina enieni amagwiritsidwa ntchito popanga makina enieni. Pano, PLC yogwiritsidwa ntchito ndi aliyense ndi SimensS7-300, ndipo seva imayikidwa kuti ilankhule ndi PLC molingana ndi serial communication 1. 4.2 Kuyankhulana pakati pa seva ndi multihead weigher Kwa olemera ambiri, timagwiritsa ntchito multihead weigher kuchokera ku Hangzhou Sifang . Kuti kulankhulana pakati pa chida ndi kasinthidwe kukhala bwino kwambiri, ife makamaka analola Longchuanqiao Enterprise kupanga gulu chida. Pulogalamu yamadalaivala idapangidwa. Choyamba, timasankha mtundu wofunikira wa zida zamakina kuchokera ku bukhu lokonzekera, ndi mtundu uwu, pangani makina opangira makina opangira makina opangira ma multihead weigher, ndiyeno ikani nambala yolumikizirana pakati pa bolodi ndi kompyuta ndi kulumikizana. ndondomeko.

4.3 Kulankhulana pakati pa PLC ndi zoyambira zofewa Chifukwa pali zida zosiyanasiyana mumsonkhano wopangira zokometsera, takhazikitsa malamba angapo otengerako zokometsera bwino. Chifukwa chake, PLC imodzi yamakina ojambulira basi iyenera kulumikizidwa ndi zoyambira zingapo zofewa. Chifukwa chake, timagwiritsa ntchito mabasi amtundu wa Profibus pakati pa PLC ndi choyambira chofewa kuti tilumikizane, ikani gawo lapadera lowongolera la Profibus muzoyambira zofewa, ndikuyika adilesi yatsatanetsatane ya siteshoni ya akapolo ya choyambira chofewa, kenako ndikulumikiza molingana. ku Profibus radio frequency. Wowongolerayo amalumikizidwa ndi PLC, ndipo PLC imamaliza kukankha ndi kulandira mtundu wa uthenga kwa choyambira chofewa malinga ndi pulogalamuyo, imatumiza mawu ogwirira ntchito kwa choyambira chofewa, ndikukweza mawu oyambira kuchokera kunyumba yoyambira yofewa. CPU315-3DP imagwiritsidwa ntchito ngati dzina lachidziwitso cha Profibus, ndipo choyambira chilichonse chofewa chomwe chimalumikizana ndi dzina lachidziwitsochi chikhoza kuwonedwa ngati malo opangira akapolo a Profibus.

Panthawi yolankhulana, dzina lachidziwitso limasankha malo osungira akapolo kuti atumize deta molingana ndi chizindikiritso cha adiresi mumtundu wa mauthenga. Malo osungira akapolowo sangathe kufalitsa zambiri, ndipo malo aliwonse akapolo sangathe kutumiza zomwe zili. Mitundu yoyambira yofewa komanso mawonekedwe omwe amagwiritsidwa ntchito mu pulogalamu yamakina ndizinthu zonse za Nokia MicroMaster430 [4].

Kiyi yolumikizirana pakati pa PLC ndi choyambira chofewa imaphatikizapo matanthauzo awiri. Yoyamba ndi mtundu wa mauthenga a deta, ndipo yachiwiri ndi mawu ogwiritsira ntchito ndi mawu omwe ali nawo. (1) Mtundu wa mauthenga a mauthenga.

Mtundu wa uthenga uliwonse umayamba ndi STX yozindikiritsa, ndiye kutalika kwake kumawonetsa LGE ndi kuchuluka kwa ma byte a adilesi yatsatanetsatane ya ADR, ndikutsatiridwa ndi chizindikiritso cha chidziwitso cha data chomwe chasankhidwa. Mtundu wa uthenga umatha ndi chojambulira BCC cha block data data. Mayina ofunikira a Field akufotokozedwa motere: Munda wa STX ndi chizindikiro cha ASCII (02hex) chomwe chimasonyeza chiyambi cha uthenga. Malo a LGE ndi baiti, kusonyeza chiwerengero cha ma byte otsatiridwa ndi zomwe zili mu chidziwitso ichi. Dera la ADR ndi baiti imodzi, yomwe ndi adilesi yatsatanetsatane ya siteshoni (ie, choyambira chofewa).

Dera la BCC ndi chequesum yokhala ndi utali wa baiti imodzi, yomwe imagwiritsidwa ntchito kuwunika ngati zomwe zili muzambirizo ndizoyenera. Ndi chiwerengero chonse cha ma byte pamaso pa BCC muzolemba za uthenga“XOR”zotsatira za mawerengedwe. Ngati zomwe zalandiridwa ndi zoyambira zofewa ndizosavomerezeka malinga ndi zotsatira za mawerengedwe a cheke, zidzataya zomwe zili, ndipo sizitumiza chizindikiro cha deta ku dzina lachidziwitso.

(2) Kusokoneza mawu ndi udindo. PLC imatha kuwerenga ndi kulemba mtengo wosinthika wa choyambira chofewa malinga ndi dera la PKW la choyambira chofewa, kenako ndikusintha kapena kudziwa momwe zimayambira zofewa. Mu pulogalamu yamakina iyi, PLC imawerenga zambiri za data m'derali ndikuziyika m'malo apadera a chidziwitso cha data kuti kompyuta yoyang'anira mafakitale iwone, ndipo zotsatira zowonera zikuwonetsa zambiri pakompyuta yoyang'anira mafakitale.

Zotsatira za 5 Pulogalamu yamakina idamaliza ntchito zoyeserera zokha za tsiku ndi tsiku malinga ndi mgwirizano wapakompyuta wowongolera mafakitale, PLC ndi zoyambira zofewa. Pulogalamu yamakono yaperekedwa ndikugwiritsidwa ntchito kuyambira May 2008. Kulemera kwa batching tsiku ndi tsiku ndi matani 100, ndipo maphikidwe achinsinsi a 10 akuchitika. Pamwamba ndi pansi, sizingangowonetsa momwe zidziwitso zimagwirira ntchito munthawi yeniyeni, komanso kuwonetsa ntchito zakusintha kwachinsinsi kwachinsinsi ndikukweza; malangizo enieni ogwiritsira ntchito, pulogalamu ya pulogalamuyo imagwira ntchito bwino komanso modalirika, chophimba cha mafakitale ndi chokongola komanso chokongola, ndipo ntchito yeniyeniyo ndi yabwino. Kuphatikiza apo, pulogalamu yamakina imatengera kapangidwe kachitukuko kosinthika, Itha kupereka mwayi pakukweza kotsatira.

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