GSI127 244-127-000-017-A2-B03 Rabuwar Galvanic

GSI127 Model 244-127-000-017-A2-B03 shine Meggitt's top-peer configured galvanic separation unit wanda aka ƙaddamar don aikace-aikacen sa ido kan rawar jiki a cikin yanayin fashe masu haɗari masu haɗari waɗanda ke buƙatar daidaitaccen sigina da ƙarfin gano tsarin. Wannan samfurin yana wakiltar cikakkiyar haɗuwa na tsarin takaddun shaida na fashewar fashewar A2 da yanayin watsawa mai girma na B03 na yanzu, yana ɗaukar mafi girman aminci da ka'idodin fasaha don cimma hankali, daidaitaccen kiyaye tsinkaya a cikin mahimman wurare masu haɗari kamar mai, sinadarai, da masana'antar iskar gas.

A cikin yanayi mai yuwuwar fashewar abubuwa, dabarun aminci na gargajiya galibi suna lalata wasu ayyukan aunawa. GSI127 A2-B03 gaba ɗaya wannan ra'ayi. A gefe ɗaya, ta hanyar takaddun shaida mai ƙarfi mai ƙarfi wanda zaɓi A2 (kamar aminci na ciki [ia Ga] ko wasu nau'ikan kariya masu girma), yana tabbatar da cewa ba na'urar kanta ko madaidaicin firikwensin firikwensin ba zai iya zama tushen kunnawa a ƙarƙashin kowane yanayin kuskure, biyan buƙatun aminci don kayan wuta a cikin Yanki 2 har ma da Yankunan 0/1. A gefe guda, tsarin sa na B03 yana ba da juriyar juzu'in jujjuyawar masana'antu na 3.2 V/mA, da matuƙar ƙarfi 'ƙarfafa' alamun firikwensin na yanzu. Wannan yana tabbatar da ƙimar siginar sigina mai girma kuma ana isar da siginar wutar lantarki mai ƙarfi zuwa tsarin sa ido ko da bayan watsa nisa mai nisa, wanda ke da mahimmanci don gano alamun farkon raunin injin.

A takaice, GSI127 A2-B03 ya haɗu da wajibcin abin da ake buƙata don kiyaye aminci tare da buƙatar tunani na gaba don sa ido daidai. Ba wai kawai 'lasisin aiki' yana tabbatar da aminci da aiki na doka ba har ma da 'mai haɓaka aiki' don haɓaka amincin kayan aiki da samun haɓaka haɓakar tsinkaya. Zaɓin wannan ƙirar yana ba da matsayin aiki na kayan aikin ku mafi mahimmancin jujjuyawa a cikin mafi haɗari tare da 'ƙarshen jijiyoyi' wanda ke haɗa mafi girman ƙimar aminci tare da ingantaccen aikin sa ido.

2. Ƙididdigar Samfurin da keɓaɓɓen Bayanin Kanfigareshan

Kowane filin a cikin lambar ƙirar 244-127-000-017-A2-B03 yana ɗauke da takamaiman alkawurran fasaha da aminci:

• GSI127: Lambar tushe na jerin, yana nuna ainihin ayyukansa: rabuwa galvanic, samar da wutar lantarki, da juyawa sigina.

• A2: Lambar Matsayin Tsaron Muhalli. Wannan shine fasfo na aminci na tilas don shiga wurare masu haɗari.

• Ma'anar Shari'a: 'A2' yana nuna samfurin an ƙirƙira shi kuma ƙera shi bisa ƙayyadaddun ƙa'idodin ƙasashen duniya (misali, ATEX, IECEx) kuma ya sami takaddun shaida na yau da kullun don amfani a cikin yanayi mai yuwuwar fashewa.

• Bambancin Maɓalli: Ba kamar nau'ikan masana'antu na gabaɗaya ko nau'ikan tabbatarwa na asali (waɗanda ƙila suna da wasu lambobi), takardar shaidar da ta dace da A2 a sarari tana ƙayyadaddun nau'in kariyar ta (misali, Ex nA, Ex ic, ko Ex ia), Matsayin Kariyar Kayan aiki, aji zafin jiki, da tsauraran yanayi don amintaccen amfani. Dole ne masu amfani su samu kuma su bi wannan takardar shaidar kafin shigarwa.

• Ganewar Jiki: Dangane da bayanan, gidaje na sigar A2 gabaɗaya launin toka ne, yana bambanta shi da sigar A1 wanda ke da tashoshi na gefen shuɗi.

• B03: Lambobin Kanfigareshan Wutar Lantarki Mai Girma. Wannan shine ainihin fasaha da ke ba da damar sa ido daidai da hankali.

• Yanayin Aiki: Yana ba da tushen wutar lantarki 20 VDC akai-akai zuwa gefen firikwensin, yana aiki a yanayin shigar da wutar lantarki na yanzu.

• Matsanancin-High Sensitivity: Hannun juzu'i shine 3.2 V/mA ± 1%. Wannan shine sau 3.2 na daidaitattun samfura (1 V/mA). Don irin wannan canjin na yanzu, canjin ƙarfin lantarki na fitarwa ya fi girma, yana ƙara yawan amfani da kewayon katin sayan baya da haɓaka ƙimar sigina-zuwa amo da kuma iya gano ƙananan sigina na kuskure.

• Ma'anar Sifili Mai Haɓaka Haƙiƙa: Wutar sifili mai fitarwa shine 8.00 VDC ± 200 mV, daidai da 17.50mA quiescent halin yanzu a gefen firikwensin. Wannan ƙirar sifili ta musamman tana dacewa da na'urar ƙara cajin vibro-meter® IPC707 tare da bincike. Wannan bincike na IPC707 yana fitar da 13 mA a ƙarƙashin yanayin al'ada, wanda ya haifar da fitowar 8 VDC daga GSI127 B03, yana kafa madaidaicin tushe don saka idanu na girgiza. A lokaci guda, ƙirar sa tana tanadin kewayo mai ƙarfi don siginar ƙararrawa (inda na yanzu na iya hauhawa zuwa 20mA ko faɗuwa).

3. Yanayin Aikace-aikace na al'ada & Tsarin Haɗin Tsari

GSI127 A2-B03 ita ce cibiyar kula da sarƙoƙin sa ido na 'babban aminci' da 'hankali mai girma', yawanci ana amfani da su a cikin: Kariyar girgizawa da tsarin kula da tsinkaya don raka'a masu mahimmanci kamar injin turbin gas da compressors masu sauri a kan dandamali na teku, a cikin matatun mai, da tashoshin kwampreshin iskar gas.

Rushewar Tsarin Gine-gine:

1. Layer tsinkaya (Yanki mai haɗari 1):

• Na'ura: CAxxx jerin ma'aunin zafi da sauri.

• Aiki: Hanyoyi masu ɗauke da jijjiga, siginar cajin fitarwa.

2. Layin Juya Mai Hankali (Yanki mai haɗari 1 ko iyaka):

• Canza sigina: Yana canza siginar caji zuwa siginar yanzu na 4-20mA.

• Binciken Lafiya: Yana sa ido kan ingancin firikwensin da amincin kebul a cikin ainihin-lokaci. Sakamakon 13 mA kullum; yana fitar da takamaiman ƙimar halin yanzu (misali, 3.8mA ko 21mA) azaman lambar ƙararrawa akan kuskure (misali, buɗe ko gajeriyar kewayawa).

• Na'ura: IPC707 Cajin Amplifier tare da Bincike.

• Aiki:

3. Amintaccen Interface & Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙwalwa ko Yanki 2 )

• Warewar Tsaro: Yana ba da keɓewar 4kV kuma yana aiki azaman na'urar haɗin kai mai aminci. Haɓaka fitarwar ta [ia Ga] yana tabbatar da cikakken amincin makamashin da aka kawo zuwa wuri mai haɗari.

• Canjin Maɗaukakin Maɗaukaki: Tare da ƙwarewar 3.2 V/mA, yana jujjuya 13 mA sifili-point zuwa 8 VDC da cikakken ma'auni na 20 mA zuwa ≈17.6 VDC, yana haɓaka amfani da kewayon katin sayan.

• Daidaituwar Ganewa: Zane-zanen sifili da faffadan kewayo na iya watsa lambobin bincike na IPC707 a sarari kuma babu shakka, yana ba da damar tsarin sa ido don bambanta tsakanin 'high vibration' da ' Laifin firikwensin'.

• Na'ura: GSI127 244-127-000-017-A2-B03.

• Aiki:

4. Layer Kulawa (Yanki mai aminci):

• Na'ura: VM600, MMS, ko wasu tsarin.

• Aiki: Yana karɓar siginonin ƙarfin lantarki masu inganci don nazarin jijjiga, tsara ƙararrawa, da fassarar bayanan bincike.

Me yasa Dole ne a zaɓi Haɗin A2-B03?

• B03 kawai (Ba A2): Ba za a iya cika ka'idodin takaddun shaida na wajibi don wurare masu haɗari ba; shigar da tsarin zai zama mara yarda.

• A2 kawai (Ba B03): Misali, ta amfani da A2-B01, yayin da ake bin aminci, ba zai dace da ma'anar sifili na IPC707 na 13mA ba (wanda ke haifar da siginar sifili na 8V da za a yi kuskuren fassara shi azaman diyya) kuma zai sami kawai 1 V/mA hankali, da rage girman sigina.

• A2-B03: Shine kawai samfurin da ke biyan buƙatun 三位一体 na ƙa'idodin aminci na yanki mai haɗari, wanda ya dace da ma'aunin sifili na firikwensin, da kuma samar da sigina masu ma'ana.

4. Maɓalli Mabuɗin Shigarwa, Gudanarwa & Amincewa

1. Takardu Na Farko: Bayan karɓar na'urar, nan da nan tabbatar da daidaito tsakanin farantin sunan samfurin da Takaddar Takaddar Fashewa. Takaddun shaida shine tushen doka da fasaha don shigarwa; dole ne injiniyan shafin ya adana shi kuma ya yi nazari.

2. Muhallin Shigarwa: Tabbatar da cewa ƙimar tabbacin fashewa (misali, Ex d, Ex p) ko yanki na yanki (Zone 2) na majalisar shigarwa ya cika buƙatun takardar shaidar GSI127 A2.

3. Wayoyin Tsaro (Mafi fifiko):

• Kebul: Nau'in kebul na siginar (misali, mai aminci) mai haɗawa zuwa wuri mai haɗari dole ne ya bi ƙa'idodin takaddun shaida.

• Grounding & Garkuwa: Tsayayyen bin sharuɗɗan musamman don amintaccen amfani a cikin takaddun shaida. Yawanci, garkuwar kebul ɗin siginar akan shingen aminci (GSI127) yakamata a yi ƙasa a wuri guda ta hanyar bus ɗin da aka keɓe na ƙasa, tare da buƙatun saduwar juriya na ƙasa.

• Daidaita Sigar Mahalli: Tabbatar da cewa duk sigogin fitarwa (Uo, Io, Po, Lo, Co) na gwajin IPC707 sun yi ƙasa da madaidaitan shigarwar da aka yarda (Ui, Ii, Pi, Li, Ci) da aka ƙayyade a cikin takardar shaidar GSI127 A2-B03. Wannan shine ƙa'idar ƙarfe na ƙirar tsarin aminci na ciki.

4. Ƙaddamar da Ƙarfi:

• Kunna farko kawai bayan tabbatar da duk yanayin aminci an cika shi.

• Tabbatar da Sifili-Point: Tare da tsayayyen tsarin, auna fitowar GSI127; ya kamata ya zama 8.00 VDC ± 0.2V. Wannan matakin yana tabbatar da cewa duk sarkar ji na hankali (IPC707) tana aiki daidai kuma samfurin ya dace da kyau.

• Gwajin Aiki na Ganewa: Kwaikwayi kuskuren firikwensin don tabbatar da tsarin sa ido yana karɓar siginar ƙararrawa daidai, ba ƙararrawa kan iyaka ba.