AO820 babban aiki ne, ingantaccen ingantaccen Tashoshi huɗu na Galvanically ware Bipolar Analog Output Module, wani ɓangare na dangin kayan aikin ABB Ability™ System 800xA®. An ƙera shi don daidaitaccen fitowar siginar analog a cikin sarrafa kansa na masana'antu da tsarin sarrafawa, ya dace da aikace-aikacen sarrafa tsari daban-daban waɗanda ke buƙatar ingantaccen siginar fitarwa na yanzu ko ƙarfin lantarki.
Kowane tashoshi na ƙirar yana goyan bayan fitowar halin yanzu ko ƙarfin lantarki. Masu amfani za su iya daidaita nau'in fitarwa da kewayon kowane tashoshi ta hanyar software bisa ga ainihin bukatun aikace-aikacen. Duk tashoshi sun keɓanta da juna kuma daga tsarin gama gari, suna hana tsangwama na sigina da madauki na ƙasa, don haka haɓaka tsarin rigakafi da aminci.
AO820 yana haɗa cikakken bincike da ayyuka na saka idanu, gami da nunin matsayin module, gano buɗewar tashar tashoshi, tabbatar da sake dawowa fitarwa, da aiwatar da kulawar samar da wutar lantarki. Yana fasalta aikin Saitin Fitarwa zuwa Yanayin Ƙaddara (OSP), wanda zai iya saita abubuwan fitarwa ta atomatik zuwa wani ƙayyadadden yanayin tsaro bayan gano kuskuren tsarin, yana inganta haɓakar tsarin da aminci.
Tare da ƙaƙƙarfan ƙira, za'a iya shigar da tsarin a kan Rukunin Ƙarshe Module (MTUs), yana goyan bayan filaye masu sassauƙa. Ya dace da yanayin masana'antu daban-daban kamar mai & gas, samar da wutar lantarki, karafa, da kula da ruwa.
2. Core Features Products
Tashoshi Masu Sauƙaƙe Hudu: Kowane tashoshi ana iya daidaita shi da kansa don ɗayan jeri masu zuwa:
Fitowar Yanzu: -20mA…+20mA, 0…20mA, 4…20mA
Fitar wutar lantarki: -10V…+10V, 0…10V, 2…10V
Cikakkun Tashar Galvanic Warewa: Tashoshi sun keɓance daga juna kuma daga kewaye gama gari. Matsakaicin wutar lantarki mai ƙarfi shine 50 V, ƙarfin gwajin dielectric shine 500 V AC.
Haɗaɗɗen Bincike & Ayyukan Tsaro:
Alamar matsayin LED farantin gaba (Laifi, Run, Gargaɗi, OSP).
Gwaje-gwaje-matakin-module: Ƙarfin fitarwa.
Binciken matakin-tashar: Gano buɗaɗɗen kewayawa (don saita fitarwa na yanzu> 1 mA).
Saitin fitarwa zuwa Yanayin da aka ƙaddara (OSP): Yana saita abubuwan fitarwa zuwa ƙayyadaddun ƙimar aminci tsakanin 256, 512, ko 1024 ms bayan gano gazawar sadarwa ko kuskuren tsarin.
Tabbatar da sake karanta bayanan fitarwa yana tabbatar da daidaiton fitarwa.
Babban Daidaito & Amsa Mai Sauri:
Resolution: 12 bits (ciki har da alamar).
Babban Daidaito: Yawan fitarwar wutar lantarki. kuskure 0.1%; Kuskuren fitarwa na yau da kullun 0.1% a nauyin 250 Ω, max. 0.15%.
Amsa da sauri: Lokacin tashi <0.7 ms; Sabunta lokacin zagayowar don duk tashoshi ≤ 1.5 ms.
Ƙarfin Ƙarfin Ƙarfi & Kariya:
Load ɗin fitarwa na yanzu: ≤ 550 Ω (kewayo na ƙima), ≤ 510 Ω (sama da iyaka).
Ƙarfin Wutar Lantarki: ≥ 5 kΩ.
Tabbacin gajeren kewayawa tare da iyakantaccen fitarwa na yanzu.
Faɗin Daidaituwar Muhalli:
Zazzabi mai aiki: 0 zuwa +55 °C (an yarda da kewayon: +5 zuwa +55 °C).
Adana Zazzabi: -40 zuwa +70 °C.
Matsayin kariya: IP20.
Mai yarda da takaddun shaida na duniya da yawa ciki har da CE, CULus (Class 1 Division 2 / Zone 2), ATEX Zone 2, da manyan takaddun shaida na ruwa (ABS, BV, DNV, LR).
3. Bayanin Aiki
3.1 Kanfigareshan Fitarwa mai sassauƙa
Babban ƙarfin AO820 ya ta'allaka ne a cikin tsarin fitarwa mai sauƙi. Duk tashoshi huɗu sun kasance masu zaman kansu gaba ɗaya, suna ba masu amfani damar zaɓar nau'in fitarwa na halin yanzu ko ƙarfin lantarki da ake so daban-daban da kewayon kowane tasho a cikin software na daidaitawa. Ko siginar sarrafa bidirectional kamar ± 20 mA / ± 10 V ko siginar daidaitattun masana'antu kamar 4… 20 mA ko 0… 10 V ana buƙatar, wannan ƙirar tana goyan bayan su gabaɗaya. Ana ba da tashoshi na wayoyi daban-daban don na yanzu da ƙarfin lantarki a cikin kayan aiki; masu amfani kawai suna buƙatar waya daidai gwargwadon tsari.
3.2 Cikakken Warewa Galvanic
Tsarin yana amfani da fasahar keɓewa ta ci gaba don cimma:
Keɓewar tashoshi zuwa tashoshi: Laifi ko tsangwama akan kowane tashoshi baya shafar aikin sauran tashoshi na yau da kullun.
Warewa tashoshi zuwa ƙasa: Duk tashoshi sun keɓanta daga ModuleBus da tsarin gama gari, yadda ya kamata yana murkushe tsangwama na gama-gari da haɓaka dogaro a cikin muggan yanayi na lantarki.
Wannan ƙira yana da mahimmanci musamman ga rukunin yanar gizo masu sarƙaƙƙiyar tsarin ƙasa ko bambance-bambance masu yuwuwar ƙasa.
3.3 Ƙarfafa Bincike & Injinan Tsaro (OSP)
AO820 yana fasalta ayyukan bincike masu yawa:
Sa ido kan Sadarwa na ainihi: Bayanan fitarwa zuwa Digital-to-Analog Converters (D/A) Ana karanta baya kuma an tabbatar da cewa an aiwatar da umarnin fitarwa daidai.
Ci gaba da Buɗe-Circuit Diagnostics: A cikin yanayin fitarwa na yanzu, ƙirar tana ci gaba da lura da madauki na fitarwa. Ana ba da rahoton kuskuren buɗe tashar tashoshi lokacin da ƙimar saita ke buƙatar fitarwa> 1 mA amma ainihin halin yanzu da aka gano ba shi da kyau.
Tsari Kulawar Samar da Wutar Lantarki: Yana sa ido kan samar da wutar lantarki na waje don madauki na fitarwa. Idan wannan ikon ya ɓace, ƙirar tana haifar da siginar kuskure ta tashar.
Saitin fitarwa zuwa jihar da aka ƙaddara (OSP): Wannan muhimmin aikin tsaro ne. Lokacin da tsarin ya gano gazawar sadarwa tare da babban mai sarrafawa, kuskure mai tsanani na ciki, ko matsalolin ganowa da aka ambata a sama, aikin OSP zai iya kunna. Tsarin zai tilasta duk abubuwan da ake fitarwa tashoshi don canzawa zuwa ƙayyadaddun ƙimar aminci (misali, 0 mA, 4 mA, 0 V, da dai sauransu) wanda aka saita a cikin injiniyanci a cikin lokacin daidaitawa (256, 512, ko 1024 ms), yana hana kayan sarrafawa daga shiga yanayi mai haɗari saboda asarar sigina ko rashin daidaituwa.
3.4 Babban Daidaito & Ayyuka Mai Sauƙi
Tare da babban ƙudurinsa na 12-bit da ƙayyadaddun ƙirar da'ira, AO820 yana ba da ingantaccen kayan aikin analog na musamman. Matsakaicin kuskurensa yana da ƙasa da 0.1% FS don fitarwar wutar lantarki, kuma kawai 0.1% don fitarwa na yanzu ƙarƙashin yanayin nauyin masana'antu na yau da kullun. A lokaci guda, saurin tashin lokacin ƙasa da 0.7 ms da lokacin sake zagayowar da bai wuce 1.5 ms ga duk tashoshi suna tabbatar da tsarin tsarin da ke canza umarnin sarrafawa cikin sauri, yana mai da shi dacewa da aikace-aikacen sarrafa madauki da ke buƙatar babban aiki mai ƙarfi.
4. Tsarin & Haɗi
4.1 Daidaituwar Rukunin Ƙarshe Module (MTU).
Tsarin AO820 da kansa baya haɗa kai tsaye zuwa igiyoyin filin; dole ne a saka shi a kan Module Termination Unit (MTU). Ya dace da MTU da yawa, yana ba masu amfani da zaɓuɓɓukan wayoyi daban-daban:
TU830/TU833 (MTU Extended): Yana ba da tashoshi na dunƙule don yin wayoyi kai tsaye, ba buƙatar ƙarin tubalan tasha.
TU810/TU814 (Compact MTU): Yana ba da tashoshi masu dunƙulewa a cikin ƙaramin tsari.
TU812 (Ƙaramin MTU): Yana ba da mai haɗin D-Sub (namiji) 25-pin, wanda ya dace da aikace-aikacen da ke buƙatar igiyoyi da aka ƙera ko haɗin haɗi / cirewa da sauri.
4.2 Jagorar Waya
Rarraba Tashoshi: Kowane tashoshi (Ch1-Ch4) yana da nau'ikan tashoshi 'Fitowar Yanzu +/-' da 'Fitar Wutar Lantarki +/-'.
Maɓalli Maɓalli: Kowane tashoshi na iya amfani da ko dai fitarwa na yanzu KO ƙarfin lantarki a kowane lokaci, amma ba tare da duka a lokaci ɗaya don tashar iri ɗaya ba. Dole ne a zaɓi wayoyi bisa ga tsarin software.
Load Matching: Abubuwan da ake fitarwa na yanzu dole ne su haɗa zuwa kaya ≤550Ω; Abubuwan wutar lantarki dole ne su haɗa zuwa kaya ≥5kΩ don tabbatar da daidaito da kwanciyar hankali.
Garkuwa & Grounding: Don D-Sub da aka haɗa TU812, Pin 13 ɗin sa an haɗa shi da harsashi mai haɗawa don haɗin garkuwa (EM), yana taimakawa Compatibility Electromagnetic (EMC).
5. Yankunan Aikace-aikace
Godiya ga babban daidaitonsa, amintacce, ƙaƙƙarfan rigakafin tsangwama, da cikakkun fasalulluka na aminci, Module Analog na AO820 ana amfani dashi sosai a cikin fagage masu zuwa:
Masana'antu Tsari: Sarrafa masu kunna wuta kamar bawuloli masu sarrafawa, masu sarrafa mitar mitoci, da famfo masu daidaitawa a cikin masana'antar mai & gas, sinadarai, da masana'antar harhada magunguna.
Ƙarfi & Makamashi: Sarrafa turbine jagorar vanes, ƙa'idar ciyarwar tukunyar jirgi, da sauransu, a cikin tashoshin wutar lantarki.
Ƙirƙira: Sarrafa kayan aikin analog servo don manyan injunan gyare-gyaren allura, latsa, da kayan aikin injin.
Ruwa & Wastewater: Sarrafa famfo gudu, sinadaran dosing famfo rates, bawul budewa, da dai sauransu
Marine & Offshore: Mai yarda da manyan ƙa'idodin rarrabuwar ruwa na al'umma, dacewa da tsarin sarrafa jirgin ruwa.
