Module na Tachometer na 3500/50M babban aiki ne, tsarin sa ido kan yanayin injin tashoshi biyu wanda Benly Nevada ya haɓaka, wanda aka tsara don sa ido kan saurin juyawa, haɓakawa, da jagorar kayan aikin juyawa. Wannan tsarin yana karɓar siginar shigarwa daga binciken kusanci ko na'urar maganadisu, yana ba da damar ƙididdige ainihin lokacin saurin juzu'i, haɓakar rotor, da juyawa. Yana amfani da madaidaitan ƙararrawa masu tsara shirye-shirye don aiwatar da sarrafa ƙararrawa na hankali. Tsarin 3500 / 50M yana ba da sassaucin daidaitawa mai girma kuma yana goyan bayan yanayin sa ido da yawa, yana sa ya dace da kariyar kayan aiki mai mahimmanci da saka idanu akan yanayin yanayin masana'antu daban-daban.
An haɗa shi cikin Tsarin Kulawa na 3500, ƙirar tana aiki tare tare da sauran samfuran tsarin don samar da ingantaccen kariya ta injina da ayyukan faɗakarwa. Ƙirar sa ya bi ƙa'idodin ƙasa da ƙasa da yawa kuma yana ɗaukar takaddun shaida na yanki mai haɗari, yana mai da shi dacewa ga manyan masana'antu kamar na ruwa, mai & gas, samar da wutar lantarki, da sinadarai.
2. Mabuɗin Siffofin
2.1 Tallafin Shigar da Tashar Dual-Channel
Tsarin 3500/50M yana da tashoshi masu zaman kansu guda biyu waɗanda zasu iya karɓar sigina lokaci guda daga nau'ikan firikwensin guda biyu:
Binciken kusanci: Ya dace da ma'aunin madaidaicin madaidaicin saurin, yana goyan bayan ƙananan jeri mai sauri.
Magnetic Pickups: Ya dace da matsakaici zuwa saka idanu mai sauri, amma ba a ba da shawarar jujjuyawar juyi ko gano saurin sifili ba.
2.2 Hanyoyin Kulawa da yawa
Masu amfani za su iya zaɓar hanyoyin aiki masu zuwa ta hanyar 3500 Rack Kanfigareshan Software:
Kulawa da Sauri tare da Ƙararrawar Saiti: Yana sa ido kan saurin a cikin ainihin lokaci kuma yana haifar da ƙararrawa.
Kulawa da Sauri tare da Ƙararrawa na Band Speed: Ƙararrawa lokacin da saurin ya karkata a waje da kewayon kewayon.
Kula da Sauri tare da Sanarwa Gudun Zero: Yana gano ko kayan aiki sun daina juyawa.
Kulawa da Sauri tare da Ƙararrawar Rotor Acceleration: Yana sa ido kan hanzarin rotor don hana haɗarin wuce gona da iri.
Kulawa da Sauri tare da Sanarwa Juyawa Juya: Yana gano idan rafin yana juyawa a baya.
2.3 Aikin Riƙe Peak
Samfurin ya haɗa da iyawar riƙon kololuwa wanda ke yin rikodi da adanawa:
2.4 Fitowar Siginar Maɓalli Mai Yanayi
Tsarin 3500/50M na iya samar da siginonin Maɓalli na Maɓalli zuwa ga jirgin baya na rack 3500 don amfani da wasu na'urorin sa ido (misali, masu lura da girgiza). Wannan yana kawar da buƙatar keɓantaccen tsarin maɓalli na Keyphasor, adana sarari da farashi.
2.5 Gudanar da Ƙararrawa
Ƙararrawa mataki-biyu: Ƙararrawa 1 da Ƙararrawa 2 ana iya saita su daban-daban don matakan tsanani daban-daban.
Jinkirin Ƙararrawa Mai Shiryewa: Ana iya daidaita jinkirin ƙararrawa 1 daga 1 zuwa 60 seconds; Ƙararrawa 2 jinkiri daga 0.1 zuwa 60 seconds, yana taimakawa wajen hana ƙararrawar ƙarya.
Saituna masu sassauƙa: Ana iya saita ƙimar ƙararrawa yawanci daga 0% zuwa 100% na cikakken kewayon kowane ƙima da aka auna, yana ɗaukar buƙatun kayan aiki daban-daban.
2.6 Fitowar Analog & Interface
Samfurin yana ba da fitarwa na analog na 4-20 mA wanda ya dace da masu tattara bayanai, masu rikodin taswira, ko na'urorin nuni. Matsalolin fitarwa shine 550 Ω, tare da kewayon yarda da wutar lantarki na 0-12 Vdc da matsakaicin juriya na 600 Ω.
2.7 Alamar Matsayi & Sadarwa
The gaban panel yana da alamun LED masu launi uku:
OK LED: Yana nuna aikin al'ada na al'ada.
TX/RX LED: Yana nuna matsayin sadarwa tare da wasu kayayyaki a cikin 3500 rack.
Kewaya LED: Yana nuna ƙirar tana cikin Yanayin Ketare.
3. Cikakken Ƙa'idar Aiki
3.1 Shigar Siginar & Kwadi
Tsarin 3500/50M yana karɓar sigina na ƙarfin lantarki daga abubuwan binciken kusanci ko tsinkayar maganadisu. Matsakaicin siginar shigarwa shine -24 V zuwa + 10 V; Sigina da suka wuce wannan kewayon suna da iyaka a ciki don kariya. Matsalolin shigar da Module ya zo cikin bambance-bambancen guda uku:
Standard: 20 kΩ
TMR: 40 kΩ
Katangar ciki: 7.15 kΩ
Samfurin yana tsara siginar shigarwa ta amfani da kofa ta atomatik ko Ƙofar Manual:
Ƙofar atomatik: Ana amfani da sigina tare da mitar sama da 0.0167 Hz (daidai da 1 rpm don taron 1/juyin juya hali). Matsakaicin girman siginar faɗakarwa shine 1 V ganiya-zuwa ganiya.
Ƙofar Manual: Yana ba masu amfani damar saita madaidaicin faɗakarwa tsakanin +9.5 Vdc da -23.5 Vdc. Matsakaicin girman siginar faɗakarwa shine 500 mV ganiya-zuwa kololuwa.
3.2 Lissafin Sauri & Daidaitawa
Tsarin yana ƙididdige saurin jujjuyawa dangane da adadin abubuwan da ke faruwa a kowane juyin juya hali (mai goyan bayan 0.0039 zuwa 255 aukuwa/rev don yawancin nau'ikan tashoshi, da 1 zuwa 255 don Rotor Acceleration da nau'ikan Saurin Zero). Matsakaicin cikakken kewayon shine 99,999 rpm, tare da matsakaicin mitar shigarwa na 20 kHz. An bayyana daidaiton saurin gudu a cikin jeri uku:
100rpm: ± 0.1 rpm
100 - 10,000 rpm: ± 1 rpm
10,000 - 99,999 rpm: ± 0.01% na ainihin saurin shaft
3.3 Hanzarta Sa ido
Don sa ido kan hanzarin rotor, ƙirar tana tallafawa abubuwan 1 zuwa 255 a kowace juyin juya hali, tare da daidaito na ± 20 rpm/min. Ƙimar haɓakawa ta samo asali ne daga ƙimar canjin saurin gudu, yana taimakawa wajen tsinkayar rashin daidaituwa a yayin haɓaka kayan aiki.
3.4 Gano Hanya & Ƙaddamar da Sifili-Speed
Tsarin yana ƙayyade alkiblar juyawa ta hanyar nazarin lokaci ko jerin bugun bugun siginar firikwensin.
Muhimmiyar Bayani: Ba a ba da shawarar ɗaukar magnetic don jujjuyawar juyi ko gano saurin sifili ba saboda gefuna na sigina ba su da tsabta a ƙananan gudu, mai yuwuwar haifar da alamun da ba daidai ba.
Gano saurin sifili yana dogara ne akan ko mitar siginar ta faɗi ƙasa da aka saita, yawanci ana amfani da ita don tantance ko kayan aikin sun tsaya gaba ɗaya.
3.5 Alarm Logic & Fitarwa
Tsarin yana ci gaba da kwatanta sigogi masu ƙididdigewa na ainihin-lokaci (gudu, haɓakawa, alkibla, da sauransu) da ƙayyadaddun ƙararrawa na mai amfani. Idan siga ya wuce iyakar da aka saita, tsarin yana haifar da fitowar ƙararrawa daidai. Ana iya isar da siginar ƙararrawa zuwa tsarin sarrafawa ta hanyar relays ko mu'amalar sadarwa.
3.6 Sadarwa & Bayanan Bayanai
Tsarin 3500/50M yana sadarwa tare da tsarin ta hanyar jirgin baya na 3500 rack, yana yin hulɗa tare da na'urorin ƙofofin sadarwa (misali, 3500/92) don loda bayanan ma'auni zuwa tsarin matakin mafi girma. Tsarin yana goyan bayan ka'idojin masana'antu kamar Modbus da OPC, yana ba da damar haɗin kai cikin sauƙi cikin tsarin DCS ko SCADA.
4. Halayen Fasaha
Ma'auni Mai Girma:
A kasa 100 rpm: ± 0.1 rpm
100-10,000 rpm: ± 1 rpm
10,000-99,999 rpm: ± 0.01% na gaskiya gudun gudu
Daidaitaccen hanzari: ± 20 rpm/min
Ikon Faɗin Kewaye:
Matsakaicin cikakken sikelin: 99,999 rpm
Matsakaicin mitar shigarwa: 20 kHz
Mafi ƙarancin shigarwar shigarwa don bincike na kusanci: 0.0167 Hz (daidai da 1 rpm don taron 1 / juyin juya hali)
Matsakaicin shigarwar shigarwa don masu ɗaukar maganadisu: 3.3 Hz
Tsarin shigarwa mai sauƙi:
5. Daidaitawar Muhalli:
6. Takaddun Takaddun Tsaro:
Ya dace da FCC, EMC, Directive LV, RoHS, ATEX, IECEx, CSA da sauran ƙa'idodi na duniya
Ya dace da wurare masu haɗari (Class I, Division 2/Rukunin A, B,C,D ko Class I, Zone 2)
7. Muhimmiyar Gargaɗi
Yana da mahimmanci a lura cewa 3500 / 50M Tachometer Module ba dole ba ne a yi amfani da shi da kansa ko a matsayin wani ɓangare na tsarin kulawa da sauri ko tsarin kariya mai sauri, kamar yadda ba ya samar da sakewa na kariya ko saurin amsawa da ake buƙata don ingantaccen aiki a matsayin tsarin kulawa da sauri ko tsarin kariya mai sauri. Fitowar ma'auni na analog ɗin ya dace da shigar da bayanai, rikodin ginshiƙi, ko dalilai na nuni kawai. Saitunan faɗakarwar gaggawa sun dace don dalilai na sanarwa kawai.
Don karban maganadisu: Kada a yi amfani da na'urar maganadisu don zaɓin juyawa ko zaɓin saurin sifili, in ba haka ba alamun karya na juyawa na iya faruwa. Masu fassara ba sa samar da tsaftataccen gefe don kewayawar ganowa yayin ƙananan gudu.
8.
Module Mai Kula da Halayen Jiki (Babban allo):
Girma: 241.3 mm × 24.4 mm × 241.8 mm
Nauyi: 0.82 kg
I/O Modules:
Sigar mara shinge: 241.3 mm × 24.4 mm × 99.1 mm, nauyi 0.20 kg
Sigar shingen ciki: 241.3 mm × 24.4 mm × 163.1 mm, nauyi 0.46 kg
Abubuwan Bukatun Rack Space:
Module Monitor: Ya mamaye 1 gaban Ramin
I/O Module: Ya mallaki ramin baya 1
9. Aikace-aikace
Module na Tachometer na 3500/50M an tsara shi musamman don jujjuya injina a fagage masu zuwa:
Shuka Wutar Lantarki: Kulawa da sauri da kariya ga injin tururi, injin turbin gas, da turbines na ruwa
Masana'antar Petrochemical: Kulawa da sauri da kariyar wuce gona da iri don compressors da famfo
Masana'antar ƙarfe: Sa ido kan sauri don birgima da magoya baya
Jirgin Ruwa: Gudun gudu da jujjuyawar sa ido don tsarin shaft mai motsawa
Direbobin Masana'antu: Kula da sauri don manyan motoci da akwatunan gear
