Sauya Fasahar Atomatik a Tsofaffin Masana’antu (Brownfield): Ƙananan-Haɗarin Mafita Masu Araha Don Tsofaffin Tsarin PLC & DCS
Dalilin da Ya Sa Sauya Tsofaffin Tsarin Kula Gaba ɗaya Yakan Gaza
Yawancin tsofaffin masana’antu (brownfield) har yanzu suna amfani da na’urorin sarrafa kansu tun shekaru da dama da suka wuce. Tsofaffin PLC da DCS suna ba da ingantaccen aiki. Koyaya, kashi 68% na manyan masana’antar sarrafa kayayyaki a cikin ƙasa suna amfani da tsarin sarrafawa da aka gina kafin shekarar 2015. Waɗannan tsofaffin na’urori ba su da sabbin fasalolin mu’amalar bayanai da bincike mai hankali.
Canza dukkan tsarin gaba ɗaya yana haifar da manyan matsaloli guda biyu. Na farko, yana tilasta dakatar da samarwa na tsawon kwanaki 7–15. A masana’antu masu ci gaba ba tare da tsayawa ba, kamar tace mai ko kera takarda, rasa yini guda na samarwa na iya haura dala USD 50,000. Na biyu, yana lalata sama da kashi 70% na kayan aiki masu amfani da kuma dabarun sarrafawa da aka gwada. Bisa ƙwarewata a fage, sauya komai kai tsaye ba shine mafi kyawun zaɓi ba a mafi yawan lokuta.
Sabuntawar Daidaituwa Na Kariya Darajar Tsofaffin Kayan Aiki
Tsofaffin tsarin sarrafa masana’antu suna bayar da babban kwanciyar hankali da kariya daga hayaniya (noise immunity). Iyakarsu ba wai lalacewar kayan aiki ba ce kai tsaye. Maimakon haka, suna amfani da tsofaffin tsarin sadarwa da bayanai ke rabu da juna (data silos). Waɗannan tsofaffin na’urori ba za su iya haɗuwa kai tsaye da MES, dandamalin gajimare (cloud), ko na’urorin gefe (edge terminals) ba.
Sabuntawar daidaituwa (compatible upgrades) suna kiyaye tsarin asalin kayan aikin. Abin da ake ƙara kawai shi ne na’urorin juyar da sigogi (protocol converters) da kayayyakin watsar bayanai. Kwarewar masana’antu ta nuna wannan hanyar tana rage jimillar jarin da kashi 75–85%. Lokacin aiki na gina aikin yana sauka daga watanni zuwa kwanaki 1–3 na aiki. Bugu da ƙari, layukan samarwa marasa tsayawa na iya sabuntawa ba tare da tsayawa kwata-kwata ba.
Hanyoyin Fasaha Masu Araha Don Zamantakewar Tsofaffin Tsare-tsare
Hanyar “protocol gateway bridging” ita ce mafita ta farko wajen sabunta tsofaffin masana’antu. Tsofaffin PLC da DCS sau da yawa suna amfani da Modbus RTU ko takamaiman tsarin RS-485 na kamfani. Waɗannan ba su dace da sabbin ka’idojin OPC UA ko MQTT ba. Ƙananan ƙofofin sadarwa na duniya masu araha (galibi USD 300–800 kowace na’ura) suna ba da juyar bayanai tsakanin nau’o’in “protocol” da dama ta maɓalli ɗaya kaɗai.
Na’urorin “edge computing terminals” suna aiwatar da tsaftace bayanai a lokaci guda da kuma yin bincike a wurin. Sauya ‘yan allunan HMI masu taɓawa (touch screen) kaɗan na inganta ayyukan hannu na gida. Dukkan waɗannan gyare-gyaren suna bi ka’idodin tsaro na IEC 61508. Ba sai an sake rubuta shirye-shirye, a sake wayoyi a cikin kabad, ko a kwance kayan aiki ba. Don takamaiman lokuta, ƙananan kayayyakin “industrial Ethernet modules” suna ƙara ƙarin tashoshin haɗin na’urori zuwa cibiyar sadarwa.
Manyan Kamfanonin Masana’antu Na Tallafa Jinkirin Sabuntawa Mai Hankali
Manyan kamfanonin fasahar sarrafa kansu yanzu suna ƙarfafa jinkirin sauya tsofaffin masana’antu a matakai. Siemens da Mitsubishi Electric suna ba da kayan aikin musamman na daidaita tsofaffin tsare-tsare. Waɗannan kayan aikin suna rage haɗarin fasaha kusan da kashi 40%. Sabuntawa a matakai na guje wa babban kashe kuɗi a lokaci guda.
Masana’antu na iya zuba jari a sassa-sassa kuma su tabbatar da sakamakon a hankali, mataki bayan mataki. Wannan hanyar tana kiyaye tsari da dabarun samarwa da suka daɗe suna aiki, tana kuma hana karkacewar tsari. Bayanai daga masana’antu suna nuna cewa sabuntawa a hankali yana rage yawan gazawar aiki da kashi 62% idan aka kwatanta da sauyawa gaba ɗaya. Wannan tsarin da aka daidaita ya dace ƙwarai da ƙanana da matsakaitan masana’antu.
Sake Tunani Game da Gaskiyar Manufar Fasahar Masana’antu Mai Hankali
Akwai wani kuskuren fahimta da ya yadu a masana’antu a yau. Shugabanni da dama suna ɗaukar cewa sauya masana’antu zuwa “smart” yana nufin sayen sababbin na’urori kawai. A zahiri, fasahar masana’antu mai hankali tana mayar da hankali ne kan haɗa bayanai (data interconnection), ba wai kawai sabbin na’urori ba. Sauyawa da yawa da na’urori sabbi kawai yana haifar da asarar kadarori marar amfani da kuma tsayawar samarwa.
Sabuntawa mai daidaituwa mai ƙarancin haɗari yanzu shi ne ya fi rinjaye a kasuwar sabunta tsofaffin masana’antu (brownfield upgrade). Bisa rahotannin fasahar sarrafa kansu na 2025, kashi 72% na ƙanana da matsakaitan kamfanoni (SMEs) suna zaɓar sabuntawa ta daidaitawa (adaptive upgrades). Ci gaba da amfani da tsofaffin na’urori masu kwanciyar hankali yana tabbatar da dorewar samarwa na dogon lokaci. Sabunta hanyoyin bayanai yana buɗe darajar dijital daga kayan aikin da ake da su.
Misalan Ainihi Tare da Bayanai da Aka Tabbatar Kuma Aka Auna
Sabuntawar Tsaro a Masana’antar Takarda
Wata masana’antar takarda a cikin ƙasa tana da tsohon tsarin DCS mai shekaru 12 ba tare da ƙararrawa masu hankali ba. Ta dogara ne da duba na hannu. Bayan shigar da ƙananan na’urorin juyar da “protocol” masu araha, masana’antar ta cimma sa ido kan bayanai a ainihin lokaci cikin kwanaki uku. Aikin ya ajiye dala USD 180,000 a duk shekara a kuɗin aiki ta hanyar cire ma’aikata uku na duba na dindindin. Ingancin rikodin ƙararrawa ya tashi daga kashi 40% zuwa 95%. Masana’antar ta kuma hana aƙalla manyan haɗurra biyu na tsaro a shekara ta farko.
Ajiyar Makamashi a Tace Ruwa
Wata tashar ruwa ta birni tana amfani da tsofaffin PLC wajen sarrafa aikin tace ruwa. Yin iska (aeration) da ƙara sinadarai da hannu suna jawo yawan amfani da makamashi da sinadarai. Masu fasaha suka ƙara ƙofar sadarwa (gateway) ba tare da tsayar da samarwa ba. Tsarin ya fara ba da daidaita aiki ta atomatik (automatic closed-loop regulation). Jimillar amfani da makamashi ya ragu da kashi 8%, daidai da 210,000 kWh a shekara. Ajiye kuɗin sinadarai na shekara ya haura USD 140,000 tare da sifili lokacin tsayawa. Jimillar jarin da aka yi bai wuce kashi 18% na kasafin canza komai gaba ɗaya ba. Masana’antar ta dawo da kuɗin sabuntawarta cikin ƙasa da watanni biyar.
Layin Samar da Kayan Motoci
Wata masana’anta a lardin Shandong tana da na’urorin sarrafa bugu (stamping control units) guda goma masu shekaru 15. Waɗannan na’urorin marasa haɗin kai (offline) ba su iya tattara bayanan samarwa ko ba da damar sa ido daga nesa ba. Ƙananan kayayyakin sadarwa masu araha da na’urorin gefen cibiyar (edge terminals) sun warware matsalar. Daidaiton tattara bayanai ya kai kashi 99.9% bayan sabuntawa. Kuɗin aikin ma’aikatan tattara kididdiga da hannu a kowane wata ya ragu da USD 450. Ingancin amsa ga gazawar kayan aiki ya inganta da kashi 48%. Masana’antar ta rage matsakaicin lokacin gyara daga awanni 4.2 zuwa awanni 2.1 a kowace matsala.
Sake Fasalin Injin Haɗa Sinadarai (Chemical Batch Reactor)
Wata masana’antar sinadarai ta musamman tana amfani da tsofaffin PLC a kan injinan haɗa sinadarai guda huɗu. Ma’aikata suna rubuta zafin jiki da matsin lamba da hannu duk bayan minti 30. Bayan ƙara ƙofofin “protocol gateways” da na’urar gefen cibiyar guda ɗaya (edge node), tsarin ya fara ɗora bayanan “batch” na ainihin lokaci zuwa “local historian”. Masana’antar ta kawar da awanni 12 na rubuta bayanai da hannu a kowace rana. Daidaiton sakamakon kowace “batch” ya ƙaru da kashi 22%, abin da ya rage kuɗin sake aiki (rework) da dala USD 95,000 a shekara.
Gina Dorewar Hanyar Sabuntawa Mai Araha
Daidaita tsofaffin tsarin sarrafawa yana sake fasalta ma’anar masana’anta mai hankali. Yana ƙara darajar ragowar dukkan na’urorin sarrafa kansu da ake da su. Yana guje wa manyan haɗarin zuba jari da ɓata albarkatu. A lokaci guda kuma, yana daidaita kwanciyar hankalin samarwa da buƙatun sauyin dijital.
Ga yawancin tsofaffin masana’antu, sabuntawa a matakai masu daidaituwa ita ce hanya mafi dogaro. Kamfanoni suna kammala sabuntawar “smart” da ƙarancin kuɗi, ƙarancin haɗari, da babban riba. Lokutan dawowar jarin yawanci suna tsakanin watanni 6 zuwa 18, idan aka kwatanta da shekaru 3–5 ga manyan ayyukan sauya komai daga tushe.
Rubutawa daga Fang Zekai, ƙwararren injiniya da ya mai da hankali kan sarrafa kansa da tsarin kula da tsari ga abokan ciniki na man fetur & iskar gas a duniya.
