CE620 444-620-000-211-A2-B100-C72-L10 yana da ƙima, Ex-certified piezoelectric accelerometer tare da hadedde kayan lantarki daga Meggitt's mashahurin vibrpometer® samfurin layin sa ido na musamman na injin vibro-mita, yanayi mai fashewa inda ake buƙatar aminci na ciki da tsayi, mai karko, hatimin haɗawar kebul yana da mahimmanci don ingantaccen watsa sigina akan nisa mai tsayi. Wannan Ex-certified sigar yana da azanci na 100mV/g kuma ana ba da shi tare da kebul ɗin da aka dace da masana'anta mai tsayin mita 10, an kiyaye shi ta bakin ƙarfe mai rufin ƙarfe, an ƙare tare da jagororin tashi don yin wayoyi kai tsaye. Wannan tsarin da aka shirya don shigar da shi yana kawar da buƙatar mai haɗawa daban a ƙarshen firikwensin, yana samar da ci gaba, haɗin haɗe-haɗe wanda ke da kyau don shigarwa na dindindin a wurare masu haɗari inda na'urorin lantarki suke a nesa mai nisa daga ma'aunin ma'auni, kuma inda amincin sigina na dogon lokaci, kariya daga shigowar muhalli, da dorewa na inji suna da mahimmanci. Na'urar firikwensin yana ba da siginar fitarwa na lantarki daidai gwargwado, tare da tsawaita amsawar mita daga 0.5 Hz zuwa 14 kHz, yana mai da shi dacewa da nau'ikan jujjuyawar jujjuyawar injuna a cikin matatun mai, tsire-tsiren sinadarai, tashoshin gas, dandamali na teku, da ayyukan hakar ma'adinai inda iskar gas, ƙura, ko wuta za ta iya kasancewa.
CE620 444-620-000-211-A2-B100-C72-L10 daidaitaccen IEPE ne na masana'antu (Integrated Electronics Piezo Electric) firikwensin da ke buƙatar samar da wutar lantarki akai-akai (2 zuwa 10 mA) kuma yana aiki daga 28 V2 zuwa DC. Yana ba da fitarwa mai ƙarancin ƙarfi tare da ƙarancin ƙarfin lantarki na 12 VDC, wanda ke ɗaukar siginar girgiza AC wanda aka mamaye akan matakin DC. Haɗe-haɗen na'urorin lantarki sun haɗa garkuwar ciki kuma an keɓe su daga yanayin firikwensin, yana tabbatar da keɓancewar amo, rage tsangwama-madauki na ƙasa, da tsayayyen aikin nuna son kai har ma a cikin mahallin masana'antu na hayaniya. Don shigarwar Ex ia, dole ne a haɗa firikwensin ta hanyar ingantaccen shinge mai aminci na ciki ko naúrar keɓewar galvanic wanda ke iyakance ƙarfin lantarki, halin yanzu, da kuzari zuwa matakan da ba za su iya kunna yanayin fashewar ba, daidai da sigogi da aka kayyade a cikin takaddun shaida na Ex. Tsayin kebul na mita 10-mita yana da kyau a cikin iyawar watsawar madauki na IEPE na yanzu, wanda zai iya tallafawa tafiyar mita ɗari da yawa ba tare da lalata sigina ba, muddin ƙarfin kebul ɗin ya kasance cikin iyakoki na samar da wutar lantarki da sigogin aminci na ciki.
Ana ajiye firikwensin a cikin akwati na bakin karfe (AISI 316L) tare da ƙimar kariya ta IP68, yana ba da cikakkiyar kariya daga ƙura, dogon nutsewar ruwa, da nau'ikan gurɓataccen masana'antu. Kebul ɗin da aka haɗa shine Teflon® FEP murɗaɗɗen kebul ɗin garkuwa tare da bakin karfe (AISI 316L) overbraid, yana ba da kyakkyawan kariya ta injina daga lalata, yanke, da harin sinadarai. An ƙare kebul ɗin tare da jagororin tashi (ja don tabbatacce, fari don gama gari), yana ba da damar haɗin kai tsaye zuwa tsarin sa ido ko akwatin junction ba tare da buƙatar mai haɗin tsaka-tsaki ba. Wannan yana sauƙaƙe shigarwa, yana rage yuwuwar gazawar maki, kuma yana tabbatar da hatimin hatimi, ɗigogi mai tsauri daga firikwensin zuwa jagorar tashi. Matsakaicin ƙimar zafin kebul ɗin shine 200 ° C, ya wuce iyakar aiki na firikwensin, yana tabbatar da dacewa tare da yanayin zafi mai girma. Tsawon mita 10 yana ba da isassun isa ga injuna, wanda ya sa ya dace don injuna inda dole ne a saka firikwensin a cikin wuri mai wuyar samun damar shiga yayin da aka shigar da kayan aikin sa ido a cikin ma'ajin sarrafawa ko wuri mai aminci.
Tare da tsawaita amsawar mitar ± 5% daga 0.5 Hz zuwa 14 kHz, mitar resonant na ƙima na 40 kHz, da kewayon ± 80 g mai ƙarfi, CE620 444-620-000-211-A2-B100-ƙananan kamawa-L72 girgizawa da sa hannu na gearmesh mai girma tare da daidaito daidai. Matsakaicin zafinsa na -55 °C zuwa 120 °C, haɗe tare da kyakkyawan kwanciyar hankali, yana tabbatar da ingantaccen aiki a cikin yanayin yanayin aikin cryogenic da yanayin zafi. Firikwensin yana ɗaukar takaddun shaida na ATEX (LCIE 20 ATEX 3039 X) da IECEx (IECEx LCIE 20.0026X) takaddun shaida don Ex ia IIC T4 Ga (yankin gas 0, 1, 2), Ex ia IIIC T135°C Da (yankin ƙura 20, 21, da aikace-aikacen I2). Hakanan ana samun takaddun takaddun Tarayyar Rasha EA3C. Wannan ya sa CE620 444-620-000-211-A2-B100-C72-L10 daya daga cikin mafi m Ex-certified accelerometers don ƙaddamar da duniya a cikin wurare masu haɗari, tare da ƙarin fa'ida na ma'auni-madaidaicin madaidaicin kebul na 1. sassauci.
Wannan gabatarwar samfurin yana ba da cikakken bayanin CE620 444-620-000-211-A2-B100-C72-L10, gami da mahimman fasalulluka, aikace-aikace, cikakkun ƙayyadaddun ƙayyadaddun fasaha a cikin tambura, jagororin shigarwa, oda bayanai, da na'urorin haɗi. Duk bayanan an samo su ne daga takardar bayanan Meggitt na hukuma (CE620, 2022) kuma suna nuna himmar kamfanin don ƙwararrun injiniya da aminci a cikin matsanancin yanayi.
Key Features da Fa'idodi
Ex Certified don wurare masu haɗari - CE620 444-620-000-211-A2-B100-C72-L10 an amince da su don amfani a cikin yanayi mai yuwuwar fashewa tare da ATEX (LCIE 20 ATEX 3039 X) da ECX0 (IECX2) Takaddun shaida na Ex ia IIC T4 Ga (yankin gas 0, 1, 2), Ex ia IIIC T135°C Da (yankunan kura 20, 21, 22), da Ex I M1 (ma'adinai - firedamp). Hakanan ana samun takaddun takaddun Tarayyar Rasha EA3C. Wannan yana tabbatar da bin ka'idodin duniya don shigarwa a cikin mafi tsananin wurare masu haɗari, gami da Zone 0 da Zone 20.
Integral Cable tare da Bakin Karfe Overbraid - Tsawon Mita 10 - Ma'aikata-Fitted na USB mita 10 (Teflon® FEP, Twisted-biyu garkuwa) tare da bakin karfe (AISI 316L) overbraid yana ba da kariya ta musamman na injiniya, juriya, da dorewa. Ƙirar da aka rufe, mara ƙarancin haɗin haɗi tana kawar da yuwuwar gazawar maki a cikin firikwensin firikwensin, yana tabbatar da amincin sigina na dogon lokaci a cikin yanayi mara kyau. Tsawon tsayin mita 10 yana ba da sassauci don shigarwa inda firikwensin ke nesa da na'urorin lantarki na sa ido, ba tare da buƙatar ƙarin igiyoyi da haɗin gwiwa ba, waɗanda ke da yuwuwar ɗigogi a cikin Ex zones.
Babban Hankali da Faɗaɗɗen Rage Rage - Tare da azanci na 100 mV/g ± 5% da tsayayyen kewayon ± 80 g, firikwensin yana ɗaukar nau'ikan nau'ikan fa'ida, daga lalacewa mai laushi zuwa abubuwan rashin daidaituwa mai tsanani, ba tare da jikewa ba.
Amsar Mitar Tsawaita - Na'urar firikwensin yana ba da amsa mai sauƙi na ± 5 % daga 0.5 Hz zuwa 14 kHz, yana rufe motsin tsari mai ƙanƙanta da babban mitar gearmesh da mitocin wucewa. Ma'anar -3 dB a ƙananan ƙarshen yana ƙara ko da ƙasa, yana ba da damar auna injunan ultra-slow.
Karancin Hayaniyar da Babban Tsari - Ragowar hayaniyar lantarki tana da ƙarancin ƙarancin gaske, tare da ƙaƙƙarfan ƙima kamar ƙasa da 5 μg/√Hz a 100 Hz da sama, yana tabbatar da gano ƙarancin girgizar ƙasa. Karewar ciki da keɓancewar na'urorin lantarki suna ƙara danne tsangwama na lantarki, wanda ke da mahimmanci musamman tare da doguwar tafiyar USB.
Integrated Electronics (IEPE) - Ginin caja-zuwa-ƙarfin wutar lantarki yana kawar da buƙatar ƙarar cajin waje. Waya 2-waya tana ɗaukar duka ƙarfi da sigina, sauƙaƙe cabling da rage farashin tsarin. Na'urar firikwensin yana aiki tare da madaidaicin halin yanzu na 2 zuwa 10 mA da ƙarfin wadatar 22 zuwa 28 VDC.
Keɓaɓɓen akwati-ƙasa tare da Garkuwan Ciki - An keɓance akwati na firikwensin ta hanyar lantarki daga ƙasan siginar, tare da ƙaramin juriya na 100 MΩ, yana hana madaukai na ƙasa. Garkuwa na ciki yana ƙara haɓaka ƙin amo, yana tabbatar da watsa sigina mai tsabta koda lokacin da aka ɗora shi akan sifofin ƙarfe na ƙasa.
Rugged IP68 Bakin Karfe Gina - The hermetically shãfe haske AISI 316L bakin-karfe gidaje yana ba da kariya ta IP68, sa firikwensin ba zai iya jurewa ga ƙura, nutsar da ruwa, da lalata ba. Wannan yana tabbatar da dogaro na dogon lokaci a cikin mafi girman mahallin masana'antu, gami da teku, sinadarai, da shigarwa na waje.
Faɗin Yanayin Zazzabi - CE620 444-620-000-211-A2-B100-C72-L10 yana aiki akai-akai daga -55 °C zuwa 120 °C, tare da bambancin zafin jiki na -10 % a -50 ° C. 20 °C. Wannan ya sa ya dace da aikace-aikace kama daga bututun hayaki zuwa injin turbine mai zafi a wurare masu haɗari.
Babban Shock da Haƙuri na Jijjiga - Tare da ci gaba da ƙayyadaddun ƙayyadaddun girgizar 500 g ganiya da ƙayyadaddun girgiza 5000 g kololuwa, firikwensin yana jure wa matsanancin juzu'i na inji ba tare da lalacewa ba, yana tabbatar da rayuwa a cikin yanayin injin buƙatu.
Low Base Strain Sensitivity – The base strain sensitivity is only 0.0002 g peak/με, minimising measurement errors caused by mounting surface deformation, a common issue in thin‑walled structures.
Matsakaicin Halayen masana'anta - Kebul ɗin haɗin gwiwar masana'anta an haɗa shi zuwa firikwensin, yana tabbatar da ɗigo mai ƙarfi, taron haɗe-haɗe wanda ke hana shigowar danshi kuma yana ba da tabbacin dogaro na dogon lokaci. Bakin-karfe overbraid na USB yana ba da ƙarin kariya ta inji daga ɓarna da yanke.
Sauƙaƙan Shigarwa - Jagorar tashi (ja / fari) yana ba da damar haɗin kai tsaye zuwa tubalan tasha ko akwatunan haɗin gwiwa, kawar da buƙatar mai haɗawa daban da sauƙaƙe wayoyi. Ana ba da firikwensin firikwensin adaftar (1/4″‑28UNF da M8 × 1.25) don hawa iri-iri.
Daidaita Factory - Kowane naúrar an daidaita shi sosai a masana'anta; ba a buƙatar daidaitawa na gaba a ƙarƙashin amfani na yau da kullun, rage farashin kulawa.
Alamar CE da RoHS Complient - Na'urar firikwensin ya dace da bukatun Tarayyar Turai EMC (2014/30/EU) da RoHS (2011/65/EU), yana tabbatar da yarda da duniya.
Aikace-aikace
CE620 444-620-000-211-A2-B100-C72-L10 ya fi dacewa don saka idanu na gabaɗaya-manufa a cikin wurare masu haɗari (gas, ƙura, da ma'adinai) inda ake buƙatar aminci na ciki don buƙatar haɗin kai da siginar nesa, robu mai nisa.
Masana'antar Man Fetur da Gas - Kula da kwampressors, famfo, injin turbines, da injunan juzu'i a cikin matatun mai, masana'antar sarrafa gas, da dandamali na teku inda iskar gas mai ƙonewa (ƙungiyar IIC) ke nan, kuma kebul na mita 10 yana ba da damar zirga-zirga daga na'ura zuwa akwatin mahadar aminci wanda yake a nesa.
Tsire-tsire masu sinadarai da Petrochemical - Kula da reactors, mahaɗa, centrifuges, da magoya baya a cikin Yanki na 0, 1, da 2 da aka keɓe inda tururi mai fashewa ko ƙura na iya faruwa, tare da firikwensin da aka ɗora a cikin wani yanki mai haɗari kuma kebul ɗin ya kai ga kwamitin sarrafawa a waje da yankin.
Pharmaceutical da Abinci Processing – Vibration Sa idanu a cikin sauran ƙarfi-sarrafa yankunan da kura-fashe muhallin (misali, sugar, gari, sitaci) inda na ciki aminci ya zama tilas kuma dogon na USB damar m shigarwa.
Ma'adinai - Kula da masu muƙamuƙi, niƙa, masu jigilar kaya, da masu sha'awar samun iska a cikin ma'adinan kwal da sauran masana'antu masu hakowa inda wutan lantarki (methane) na iya kasancewa (Shaidar Ex I M1), tare da kebul ɗin da aka kiyaye shi ta bakin ƙarfe-karfe daga abrasion da tsayin mita 10 yana ba da damar sanya firikwensin cikin wurare masu wahala.
Ƙarfafa Ƙarfafawa - Ma'auni na rawar jiki a kan turbin gas, janareta, da kayan taimako a cikin haɗin gwiwa da kuma wutar lantarki ta thermal tare da yiwuwar fashewar yanayi, inda aka ɗora firikwensin a kan turbine pedestal da kebul ɗin da aka kai ga kwamitin kulawa.
Marine da Offshore - Tsarin sarrafawa, injunan bene, da famfunan kaya akan tankuna da tasoshin FPSO da ke aiki a cikin rarrabuwar yankuna masu haɗari, inda taron kebul ɗin da aka rufe yana jure wa gishiri da zafi, kuma tsayin mita 10 yana ɗaukar shimfidar injuna na yau da kullun.
Ruwan sharar ruwa da Biogas - Kula da famfo, masu busawa, da masu haɗawa a cikin tsire-tsire na biogas da wuraren kula da ruwan datti inda methane ko hydrogen sulfide na iya kasancewa, tare da kebul ɗin da aka tura zuwa tsarin kulawa mai nisa.
Gwajin Wuri mai haɗari da Aunawa - Tsarukan dindindin don ingantaccen aiki da kiyaye tsinkaya a cikin Ex-classified zones, inda kebul na haɗin gwiwar ke sauƙaƙe shigarwa kuma yana rage yuwuwar ɗigogi.
Cikakken Bayani na Ex Integral Cable Version (444-620-000-211-A2-B100-C72-L10)
CE620 444-620-000-211-A2-B100-C72-L10 shine Ex-certified, bambance-bambancen na USB na dangin CE620, yana nuna yanayin zafin 100mV/5 a °C A2), da kebul na mita 10 mai dacewa da masana'anta tare da rufin bakin karfe. An ƙirƙira shi don shigarwa na dindindin a wurare masu haɗari inda ake buƙatar aminci na ciki (Ex ia) kuma inda ake buƙatar ƙaƙƙarfan bayani mai ƙarfi, rufewa, mai haɗawa tare da tsawaita isar don haɓaka dogaro da rage rikitaccen shigarwa. An gina firikwensin a kusa da nau'in ji na piezoelectric wanda ke haifar da cajin lantarki daidai da hanzari. Kunshin na'urorin lantarki da aka haɗa, wanda aka ajiye a cikin kwandon firikwensin, yana canza wannan cajin zuwa siginar ƙaramar ƙarfin ƙarfi, wanda ake watsa ta kan kebul na haɗin gwiwa.
Fitar da firikwensin siginar lantarki ne wanda ya ƙunshi ƙarfin wutar lantarki na DC (mai ƙima 12 V) da ɓangaren girgizar AC da aka sanya akansa. Wutar lantarki na son zuciya yana ba da matakin tunani kuma yana ƙarfafa na'urorin lantarki na ciki. Na'urar firikwensin yana buƙatar samar da wutar lantarki na yau da kullun na waje (IEPE kwandishan) wanda ke ba da tushen yanzu tsakanin 2 da 10 mA (yawanci 4 mA) da ƙarfin wutar lantarki na DC na 22 zuwa 28 V. An haɗa tushen yanzu a cikin jerin tare da layin siginar, kuma ana auna siginar girgiza AC a kan juzu'i mai ɗaukar nauyi a cikin tsarin kulawa, yawanci ana fitar da bangaren AC ta hanyar babban ‑pass. Ana ƙayyade yankewar ƙarancin mitar ta hanyar tsayayyen lokaci na capacitor mai haɗawa da mai jujjuya lodi; firikwensin kanta yana da maki -3 dB a 0.5 Hz, wanda ya sa ya dace da ma'aunin ƙananan-ƙananan.
Don shigarwar Ex ia, dole ne a haɗa firikwensin ta hanyar ingantaccen shinge mai aminci na ciki ko naúrar keɓewar galvanic wanda ke iyakance ƙarfin lantarki, halin yanzu, da kuzari zuwa matakan da ba za su iya kunna yanayin fashewar ba. Dole ne shingen ya bi sigogi da aka kayyade a cikin takardar shaidar Ex (LCIE 20 ATEX 3039 X da IECEx LCIE 20.0026X). An tsara firikwensin kanta tare da kariya ta ciki don tabbatar da cewa a ƙarƙashin yanayi mara kyau, makamashi ya kasance ƙasa da madaidaicin ƙonewa. Ana samar da sigogin aminci na ciki (misali, matsakaicin ƙarfin lantarki Ui, Ii na yanzu, ikon Pi, capacitance Ci, inductance Li) a cikin takardar shaidar kuma dole ne a mutunta lokacin zayyana madauki. Kebul na mita 10 yana ƙara ƙarfin ƙarfi da inductance zuwa madauki; jimlar ƙimar dole ne su kasance cikin iyakokin da aka kayyade a cikin takaddun shaida don kiyaye aminci na ciki. Teflon® FEP rufi da murɗaɗɗen gine-gine suna ba da ƙarancin ƙarfin kowace mita, yawanci a kusa da 60 pF/m, don haka kebul na mita 10 yana ƙara kusan 600 pF, wanda ke cikin iyakokin mafi yawan shingen Ex.
Ƙirar da aka keɓe ta ƙasa, tare da garkuwa na ciki, yana tabbatar da cewa yanayin firikwensin da tushe mai hawa sun keɓe ta hanyar lantarki daga ƙasan siginar tare da ƙaramin juriya na 100 MΩ. Wannan yana da mahimmanci a cikin saitunan masana'antu inda maki na ƙasa da yawa zasu iya ƙirƙirar madaukai na ƙasa, haifar da kurakuran aunawa da hayaniya. Garkuwar ciki tana ƙara rage tsangwama na lantarki, yana tabbatar da watsa sigina mai tsabta ko da a cikin mahalli masu ƙarfi da filayen lantarki.
Gine-ginen injinan yana fasalta gida mai welded na bakin karfe (AISI 316L) wanda ke ba da kariya ta IP68 daga ƙura da tsawan ruwa nutsewa. Kebul ɗin da aka haɗa yana welded zuwa firikwensin a masana'anta, yana haifar da ci gaba, hatimi mai tsauri wanda ke hana shigar danshi kuma yana tabbatar da dogaro na dogon lokaci. Kebul ɗin shine Teflon® FEP murɗaɗɗen kebul mai kariya tare da 2 × 0.5 mm² madugu, yana ba da ingantaccen rufin lantarki da ƙarancin ƙarfi. Bakin-karfe overbraid (AISI 316L) yana ba da ƙaƙƙarfan kariya daga ɓarna, yanke, da harin sinadarai, yana mai da kebul ɗin ya dace da zagayawa ta titin kebul, magudanar ruwa, ko fallasa ga mummuna yanayi. An ƙare kebul ɗin tare da jagororin tashi (ja don tabbatacce, fari don gama gari), yana ba da damar yin amfani da wayoyi kai tsaye zuwa tubalan tasha ko akwatunan haɗin gwiwa, kawar da buƙatar mai haɗin tsaka-tsaki wanda zai iya zama yuwuwar gazawar batu da tushen yabo a cikin Ex zones. Tsawon mita 10 yana da kyau don shigarwa inda aka ɗora firikwensin a kan babban inji (misali, injin injin injin lantarki ko kwampreso) kuma na'urorin lantarki suna cikin ɗakin sarrafawa ko wuri mai aminci nesa da nisa.
The hawa dubawa ne 1/4″‑28 UNF‑2A zaren waje, kuma firikwensin yana kawota da adaftan studs guda biyu: daya 1/4″‑28UNF zuwa 1/4″‑28UNF da daya 1/4″‑28UNF zuwa M8×1. Waɗannan suna ba da izinin hawa kai tsaye zuwa zaren inji gama gari. Ƙwararriyar ƙarfin hawan da aka ba da shawarar don ingarma shine 2.4 N·m (1.8 lb‑ ft), yana tabbatar da haɗakarwa da ta dace da mafi kyawun amsa mai girma.
CE620 444-620-000-211-A2-B100-C72-L10 masana'anta ce-calibrated a mitar tunani da amplitude, tare da tabbatar da hankali ya kasance tsakanin ± 5 % na ƙimar 100 mV/g. Ana yin gyare-gyaren ta amfani da sanannen ma'aunin hanzari, kuma ba a buƙatar ƙarin daidaitawa yayin rayuwar firikwensin ƙarƙashin yanayin aiki na yau da kullun. Koyaya, tabbatarwa lokaci-lokaci (misali, kowane shekaru 2-5) ana ba da shawarar don aikace-aikacen da suka shafi aminci mai mahimmanci.
Wannan sigar haɗin kebul tare da tsayin mita 10 yana da fa'ida musamman ga shigarwar Ex inda firikwensin dole ne ya kasance nesa da na'urar sanyaya sigina ko kayan sa ido, kamar kan manyan injina inda ɗakin sarrafawa yake a nesa, ko kuma inda firikwensin ke hawa a cikin haɗari ko yanki mara isa kuma dole ne a tura kebul ɗin zuwa akwatin madaidaicin amintaccen. Tsawon mita 10 yana ba da isasshiyar isar ga yawancin aikace-aikacen masana'antu, yana rage buƙatar ƙarin haɓaka na USB da masu haɗawa, waɗanda zasu iya gabatar da asarar sigina, yuwuwar gazawar maki, da ƙarin ƙarfin da zai iya shafar amincin aminci na ciki.
Takaddun shaida na Ex ya ƙunshi ƙungiyoyin iskar gas IIC (ciki har da hydrogen, acetylene) da IIIC ( ƙura masu ɗaukar nauyi), da aikace-aikacen ma'adinai (Ex I M1 don firedamp). Matsayin zafin jiki T4 (135 ° C) yana tabbatar da cewa zafin jiki na firikwensin bai wuce 135 ° C a ƙarƙashin yanayi na al'ada ko kuskure ba, yana sa ya dace da yanayin zafi mai zafi sama da 135 ° C. Saboda haka na'urar firikwensin ya dace da rarrabuwar yanki mafi muni, gami da Zone 0 (ci gaba da yanayin fashewar iskar gas) da Zone 20 (yanayin ƙura mai ci gaba da fashewa).
Ka'idojin Shigarwa da Haɗawa
Shigar da ya dace yana da mahimmanci don cimma ƙayyadaddun aikin da kiyaye takaddun shaida na CE620 444-620-000-211-A2-B100-C72-L10. Jagororin masu zuwa sun dogara ne akan shawarwarin shawarwarin Meggitt da buƙatun takaddun takaddun Ex:
Mounting Surface Preparation – The mounting surface should be flat, smooth, and clean. Duk wani burbushi, fenti, ko lalata dole ne a cire su don tabbatar da cikakkiyar hulɗa tsakanin tushen firikwensin (ko ingarma adaftan) da saman injin. Ana ba da shawarar ƙarewar 1.6 µm (63 µin) ko mafi kyau don mafi kyawun mayar da martani mai girma.
Zaɓin Adaftar Stud - Ana ba da firikwensin tare da ingantattun adaftar guda biyu: ɗaya 1/4″‑28UNF (daidai) da M8 × 1.25 ɗaya. Zaɓi ingarma wanda yayi daidai da ramin zaren da ke cikin injin ko shingen hawa. Idan ana buƙatar zaren daban-daban (misali, M6), ana samun adaftan hawa na zaɓi (MA122_012 ko MA122_021).
Aikace-aikacen Torque - Maƙala zaɓaɓɓen ingarma a cikin tushe na firikwensin (ta amfani da zaren 1/4″‑28 UNF‑2A) kuma ƙara matsawa zuwa ƙarfin da aka ba da shawarar na 2.4 N·m (1.8 lb‑ ft). Sa'an nan kuma hau firikwensin da aka haɗa akan saman injin, yin amfani da ƙarfin da ya dace don zaren injin (misali, 15-20 N·m don M8, amma koma zuwa shawarwarin masana'anta). Kar a wuce gona da iri, saboda wannan na iya lalata zaren ko mahalli na firikwensin.
Gabatarwa da Daidaitawa - Firikwensin yana da hankali tare da babban axis (alama a kan gidaje). Daidaita firikwensin kamar yadda babban axis ya zo daidai da alkiblar girgizar da za a auna (axial, radial, ko tangential). Koma zuwa littafin shigarwa don cikakkun zane-zane na daidaitawa.
Hanyar Kebul da Kashewa - Ex Bukatun - Kebul na haɗin gwiwa yana da rufin bakin karfe. Juya kebul ɗin tare da ƙaramin lanƙwasa radius don guje wa damuwa da lalacewar ciki (an shawarta> 25 mm). Kiyaye kebul ɗin a tsaka-tsaki ta amfani da shirye-shiryen bidiyo ko haɗin kebul, amma guje wa wuce gona da iri wanda zai iya lalata overbraid. Don kebul na mita 10, tabbatar da cewa kebul ɗin ba ta fuskantar matsanancin tashin hankali ko lanƙwasa mai kaifi. Duk igiyoyin igiya da akwatunan haɗin gwiwa a cikin wuri mai haɗari dole ne a ƙetare takaddun shaida kuma a shigar dasu bisa ga ƙa'idodin gida. Ya kamata a haɗa jagororin masu tashi (ja da fari) zuwa tsarin sa ido akai-akai na samar da sigina na halin yanzu da shigar da sigina, zai fi dacewa ta hanyar ƙwararrun mahaɗa. Haɗa ja zuwa ingantaccen layin samarwa/sigina, da fari zuwa dawowa/na kowa. Ya kamata garkuwar kebul ta kasance ƙasa a gefe ɗaya (yawanci a tsarin kulawa) don rage tsangwama na lantarki.
Haɗin Wutar Lantarki - Tsaro na Cikin Gida - Dole ne a haɗa firikwensin ta hanyar shingen aminci mai aminci da aka amince da shi ko naúrar keɓewar galvanic (misali, GSI127) wanda ke iyakance ƙarfin lantarki, na yanzu, da ƙarfi zuwa ƙimar da aka ƙayyade a cikin takardar shaidar Ex (LCIE 20 ATEX 3039 X / IECEx LCIE 20.0026X). Dole ne shingen ya kasance a wuri mai aminci ko kuma a ba da izini don shigarwa a cikin wuri mai haɗari. Wutar lantarki dole ne ya kasance tsakanin 22 zuwa 28 VDC, kuma na yanzu dole ne ya kasance tsakanin 2 da 10 mA. Ana auna siginar azaman wutar lantarki ta AC akan matakin son zuciya (yawanci 12 V) ta hanyar ma'auni mai yankewa a cikin tsarin kulawa. Tabbatar cewa tsarin sa ido yana samar da madaidaicin tacewa mai tsayi (yawanci tare da mitar yankewa a ko ƙasa da 0.5 Hz). Jimlar ƙarfin ƙarfin kebul (kimanin 600 pF na 10 m) da inductance dole ne su kasance cikin iyakoki da aka halatta don guje wa kunna wuta. Koma zuwa takaddun shaida don takamaiman sigogi (Ui, Ii, Pi, Ci, Li) da yanayi na musamman don amintaccen amfani.
Grounding - Tushen firikwensin ya keɓance daga ƙasan siginar, don haka saman hawa na iya kasancewa a kowane yuwuwar ba tare da shafar siginar ba. Koyaya, garkuwar kebul yakamata ta kasance ƙasa a gefe ɗaya (yawanci a tsarin kulawa) don rage tsangwama na lantarki. Bi ƙa'idodin ƙasa da aka ba da shawarar a cikin littafin shigarwa na tsarin da buƙatun takardar shedar Ex.
La'akari da thermal - An ƙididdige firikwensin don ci gaba da aiki har zuwa 120 ° C, wanda ke tabbatar da yanayin zafin jiki ba ya wuce ƙimar T4 (135 ° C) ko da a ƙarƙashin yanayin kuskure. Ana ƙididdige kebul ɗin har zuwa 200 ° C, ya wuce iyakar firikwensin. Idan saman hawa ya wuce 120 ° C, yi amfani da adaftar mai hana ruwa mai zafi (misali, MA122_021) ko hawan firikwensin nesa tare da sandar tsawo. Tabbatar cewa ba'a bijirar da kebul ɗin sama da wurare masu zafi wanda ya wuce ƙimarsa 200 ° C.
Kariya daga Lalacewar Jiki - A cikin mahalli masu tsauri, kare kebul ɗin daga tasiri, ɓarna, da harin sinadarai. Bakin-karfe overbraid yana ba da ƙaƙƙarfan kariya, amma ana iya buƙatar ƙarin raƙuman ruwa ko murfin kariya a cikin matsanancin yanayi. Ƙimar IP68 tana tabbatar da firikwensin yana da ƙura kuma yana da kariya daga nutsewar ruwa, amma har yanzu ana ba da shawarar kariya ta inji.
Kariyar Wuri Mai Haɗari - Dole ne ƙwararrun ma'aikatan da aka horar da su su aiwatar da shigarwa. Duk wayoyi, igiyoyin igiya, da akwatunan mahaɗa dole ne su bi ƙa'idodin gida da ƙa'idodin Ex. Dole ne a kiyaye firikwensin firikwensin da igiyoyin da ke da alaƙa daga lalacewar injina da harin sinadarai. Dubawa da kulawa akai-akai kamar yadda tsarin aminci na shuka ya zama tilas. Takaddun shaida na Ex ya ƙunshi sharuɗɗa na musamman don amintaccen amfani (misali, dole ne a yi amfani da firikwensin tare da ingantaccen shamaki, kuma dole ne a kiyaye kebul ɗin don guje wa damuwa).
Gudanarwa - Kafin ƙarfafawa, tabbatar da cewa duk haɗin kai daidai ne, an shigar da shingen Ex da kyau, kuma hanyar haɗin kebul ba ta sa mai haɗawa zuwa matsanancin nauyi ba. Yi gwajin aiki ta amfani da sanannen tushen jijjiga don tabbatar da hankali da ƙarfin lantarki na son zuciya. Yi rikodin ƙarfin lantarki na son zuciya da matakan sigina don tunani na gaba.
Gudanarwa da Tabbatarwa
Bayan shigarwa, CE620 444-620-000-211-A2-B100-C72-L10 ya kamata a tabbatar da shi ta amfani da sanannen tushen jijjiga (misali, shaker šaukuwa ko na'urar accelerometer) ko ta hanyar kwatanta da sanannen firikwensin firikwensin. Ya kamata a auna ƙarfin wutar lantarki don tabbatar da cewa yana da kusan 12 V (a cikin ± 1 V). Ya kamata a duba siginar AC don dacewa da dacewa; sanannen matakin hanzari (misali, 1 g a 80 Hz) yakamata ya samar da abin da ake sa ran (100 mV/g). Hakanan tabbatar da cewa siginar ta kuɓuta daga hayaniyar da ta wuce kima kuma ƙarancin mitar ya dace da ma'aunin da aka yi niyya. A cikin shigarwar Ex, tabbatar da cewa shingen yana aiki cikin ƙayyadaddun sigoginsa. Don saka idanu na dogon lokaci, ana ba da shawarar duba tsarin yau da kullun yayin kiyayewa na yau da kullun. Tare da kebul na mita 10, kula da kowane sigina ko ɗaukar hayaniya; ƙananan ƙarancin fitarwa (50 Ω) da ginin kariya ya kamata ya tabbatar da amincin siginar.
Na'urorin haɗi
Akwai kewayon na'urorin haɗi don dacewa da CE620 444-620-000-211-A2-B100-C72-L10, gami da ƙarin ingarma na adaftan da adaftan hawa. Ana ba da firikwensin tare da sandunan adaftan guda biyu; Ana jera abubuwan zaɓi a ƙasa. Don shigarwar Ex, tabbatar da cewa duk wani ƙarin na'urorin haɗi da aka yi amfani da su a cikin wuri mai haɗari sun sami takaddun shaida daidai.
ITEM |
TYPE |
BAYANI |
LAMBAR KASHI (PNR) |
Abubuwan Adafta da aka kawo |
- |
1/4″‑28UNF (zuwa 1/4″‑28UNF) da M8×1.25 (zuwa 1/4″‑28UNF) |
809-601-000-011 da 809-601-000-021 |
Zabin Adafta Stud |
- |
1/4″‑28UNF‑2A zuwa M8×1 |
809-601-000-031 |
Hawan Adafta |
MA122_012 |
1/4 ″‑ 28UNF‑ 2A zuwa M6, tare da madaidaicin tushe |
809-122-000-012 |
|
MA122_021 |
1/4 ″‑28UNF‑2A zuwa M6, tare da conic tushe (insulating insulating) |
809-122-000-021 |
Ƙungiyoyin Rabuwar Galvanic |
Saukewa: GSI127 |
Yana ba da keɓewar galvanic da shingen tsaro na ciki don shigarwar Ex ia; dole ne a yi amfani da wannan firikwensin a wurare masu haɗari |
Koma zuwa raba takardar bayanai |
Kariyar Kebul (idan an buƙata) |
- |
Ana iya amfani da ƙarin magudanar ruwa ko magudanar ruwa masu sassauƙa don ƙara kare haɗin kebul; tuntuɓi Meggitt don shawarwari. |
N/A |
Lura: Da yake wannan sigar kebul ce mai haɗaɗɗiyar, ba a buƙatar majalissar kebul daban. Koyaya, idan ana buƙatar tsawo fiye da tsayin mita 10, ana iya amfani da akwatin junction don haɗa abubuwan da ke haifar da tashi zuwa dogon gudu na kebul, tabbatar da cewa jimlar ƙarfin kebul da inductance sun kasance cikin iyakokin da takardar shedar Ex da shamaki ta kayyade.
Rushewa da Yarda da Muhalli
A ƙarshen rayuwar sabis ɗin, CE620 444-620-000-211-A2-B100-C72-L10 dole ne a zubar da su daidai da ƙa'idodin muhalli na gida. Firikwensin ya ƙunshi bakin karfe, kayan lantarki, da kayan piezoelectric; kebul ɗin ya ƙunshi rufin fluoropolymer da masu sarrafa ƙarfe. A cikin Tarayyar Turai, Dokar Waste Electrical and Electronic Equipment (WEEE) tana aiki - tara daban da sake amfani da su wajibi ne. Meggitt yana goyan bayan zubar da haƙƙin muhalli kuma yana iya ba da jagora akan tashoshi na sake amfani da su.
