3500/64M Dynamic Pressure Monitor babban aiki ne, na'urar saka idanu mai ƙarfi na masana'antu a ƙarƙashin Tsarin Kariyar Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kwata ta 3500. Wannan rukunin ramuka guda ɗaya yana ba da tashoshi huɗu na ƙarfin sa ido na matsa lamba, musamman ƙera don karɓar siginar shigarwa daga masu jujjuya matsa lamba mai zafi da tsarin ƙararrawa.
3500/64M ya ƙunshi ƙayyadaddun tsarin gaba (P/N 176449-05) da nau'ikan nau'ikan nau'ikan I/O na baya daban-daban guda biyu (koma zuwa shafi na oda don cikakkun bayanai). 176449-05 na iya samar da cikakken tsari lokacin da aka haɗa shi da kowane ɗayan I/O na baya.
Babban mahimmancin saka idanu na 3500/64M shine matsa lamba mai ƙarfi na bandpass, da farko ana amfani dashi don samar da kariya ta injina da isar da mahimman bayanan injin ga ayyuka da ma'aikatan kulawa. Yin amfani da Software na Kanfigareshan Rack na 3500, masu amfani za su iya saita mitoci na kusurwar bandpass da ƙarin masu tacewa don biyan buƙatun sa ido daban-daban. Har ila yau, ƙirar tana ba da aikin fitarwa mai rikodin don haɗawa don sarrafa aikace-aikacen tsarin.
Siffofin & Ayyuka
1. Multi-Channel Dynamic Pressure Monitoring
Yana ba da tashoshi na saka idanu masu zaman kansu guda 4, kowannensu ya sadaukar don sa ido kan matsa lamba mai ƙarfi na bandpass.
Yana goyan bayan hanyoyin haɗin 2-waya da 3-waya matsa lamba transducer.
Yana ba da ƙwarewar shigarwa mai girma: 100 mV/psi (1.45 mV/mBar).
Kowane tashoshi yana da haɗin haɗin haɗin gwiwa na gaba-gaba don fitarwar transducer, sanye take da kariyar gajeriyar kewayawa.
2. Babban Haɓaka Ayyukan Sigina
Yana ba da yanayin tacewa guda biyu: Ƙananan Yanayin (5 Hz zuwa 4 kHz) da Babban Yanayin (10 Hz zuwa 14.75 kHz).
Ana saita tashoshi biyu (Tashoshi 1-2 da Tashoshi 3-4); Dole ne tashoshi a cikin biyu suyi aiki a cikin yanayin tacewa iri ɗaya.
Yana goyan bayan ƙin yarda da layi (daraja) tace tare da zaɓaɓɓun mitocin tsakiya na 50 ko 60 Hz.
Kyakkyawan halayen tace: ƙirar sandar igiya 6 (120 dB/shekaru, 36 dB / octave) tare da ƙaramar ƙarar tasha na -65 dB.
3. Cascade Mode Aiki
Yanayin Cascade na Musamman (1> ALL) yana ba da damar shigar da transducer guda ɗaya don rarraba zuwa duk tashoshi huɗu.
A cikin Yanayin Cascade, za a iya saita zaɓuɓɓukan tace bandpass daban-daban guda huɗu da madaidaitan jeri huɗu don siginar transducer ɗaya.
Mahimmanci yana haɓaka sassaucin tsarin tsarin tsarin da ƙimar farashi.
4. Ayyukan Ƙararrawa na Shirye-shiryen
Kowace tashar tana goyan bayan saiti biyu masu zaman kansu: Faɗakarwa da Haɗari.
Babban matakin ƙararrawa daidaito: 0.13%, daidaitacce daga 0 zuwa 100% na cikakken sikelin.
Jinkirin ƙararrawa na shirye-shirye: jinkirin faɗakarwa: 1-60 seconds (ƙarin 1-na biyu); Jinkirin haɗari: 0.1 seconds ko 1-60 seconds (ƙarin 0.1-na biyu).
Yana hana ƙararrawar karya ta hanyar tsangwama na wucin gadi.
5. Cikakken Ƙarfin Fitarwa
Yana ba da fitarwa na +4 zuwa +20mA ga kowane tashoshi da kansa.
Ƙimar fitarwa ta yi daidai da cikakken sikelin mai saka idanu; juriya lodi: 0-600 Ω.
Yarda da wutar lantarki: 0 zuwa +12 Vdc; ƙuduri: 0.3662 μA/bit.
Gajerun da'irori akan abubuwan da ake fitarwa na rikodi baya shafar aikin sa ido na yau da kullun.
6. Ƙarfin Samar da wutar lantarki
3-waya transducer wadata: -24 Vdc.
2-waya transducer wadata: 3.3mA halin yanzu tushen @ 22 Vdc (maras kyau).
Ingantacciyar shigar da shigarwar: 10 kΩ don 3-waya; 1.5-3.5 MΩ don 2-waya.
Ƙa'idar Aiki
1. Siginar Sigina da Sarrafa Input
Ana samun isar da siginar matsa lamba mai ƙarfi ta hanyar keɓaɓɓen kayan aikin I/O. Ana karɓar sigina daga masu watsa wayoyi 2 ta hanyar da'irar shigarwa mai girma (1.5-3.5 MΩ), tabbatar da siginar siginar daidai, yayin da masu juyawa na 3-waya suna amfani da ƙirar 10 kΩ impedance matching. Tsarin yana ba da ƙarfin kuzari mai ƙarfi: -24 Vdc tushen wutar lantarki don 3-waya da 3.3 mA akai-akai na yanzu don waya 2, yana tabbatar da ingantaccen aiki don nau'ikan transducer iri-iri.
2. Sigina Conditioning da Filtering Processing
Input Sigina na farko fara fara haɓakawa da matching impedance kafin shigar da tacewa da yawa. Tsarin yana ba da zaɓin yanayin tacewa guda biyu: Ƙananan Yanayin yana rufe 5 Hz zuwa 4 kHz, kuma Babban Yanayin yana rufe 10 Hz zuwa 14.75 kHz. Zane-zanen matattarar sandar sandar sandar sandar 6 yana ba da jujjuyawar 120 dB/shekaru, yana tabbatar da ƙaramar raguwar tasha -65 dB. Fitar da ƙima ta musamman tana hana tsangwama na layin wutar lantarki na 50 Hz ko 60 Hz, yana riƙe da 98% na cikakken fitarwa a ± 2 Hz daga mitar cibiyar da ragewa zuwa 1.8% na cikakken sikelin a ± 0.5 Hz daga mitar cibiyar.
3. Rarraba Siginar Cascade
A Yanayin Cascade, siginar shigarwa daga Channel 1 ana maimaita shi zuwa duk tashoshi huɗu ta hanyar hanyar sadarwa mai madaidaici na ciki. Ana iya saita kowace tasha da kanta tare da sigogin tace bandpass daban-daban da cikakken jeri, yana ba da damar bincike mai girma dabam na adadin jiki iri ɗaya. Wannan ƙira yana bawa masu amfani damar fitar da abubuwan mitar mitoci da yawa daga siginar transducer mai inganci guda ɗaya, yana haɓaka ƙarfin nazarin tsarin sosai yayin rage farashin kayan masarufi.
4. Ma'anar sarrafa ƙararrawa
Ana kwatanta siginar da aka tace a ainihin lokacin akan madaidaitan ƙararrawa-mai amfani. Fasahar tace dijital tana kawar da jitter sigina, yana tabbatar da daidaiton kwatance. Masu ƙidayar ƙararrawa suna amfani da tushen agogo mai zaman kanta don madaidaicin sarrafa lokacin. Faɗakarwa da ƙararrawa masu haɗari suna amfani da daidaitattun matakan jinkiri daban-daban (1-na biyu da 0.1-na biyu), daidaita saurin amsawa da ƙarfin hana tsangwama. Matsayin ƙararrawa ana watsa shi ta hanyar sadarwar jirgin baya zuwa tsarin tsarin, yana haifar da daidaitattun ayyukan relay da shiga taron.
5. Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren
Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙwalwa yana ba da sigina mai keɓe tare da 550 Ω impedance ta hanyar haɗin haɗin coaxial na gaba-panel; Fitarwa mai rikodin yana haifar da siginar analog na 4-20mA ta hanyar daidaitaccen DAC, tare da ƙimar sabuntawa kusan 100 ms yana tabbatar da aiki na ainihi. Duk da'irar fitarwa tana da kariyar gajeriyar kewayawa, tabbatar da aiki na yau da kullun na aikin sa ido na farko ba shi da tasiri a ƙarƙashin yanayi mara kyau.
Ƙididdiga na Fasaha
| Ƙayyadaddun |
sigogi |
| Tashoshin Kulawa |
4-tashar mai tsauri mai tsauri da saka idanu |
| Siginar shigarwa |
Siginar transducer matsa lamba |
| Hankalin shigarwa |
100mV/psi (1.45mV/mBar) |
| Input Impedance |
3-waya: 10 kΩ; 2-waya: 1.5-3.5 MΩ |
| Tace Rage |
Ƙananan Yanayin: 5 Hz - 4 kHz; Babban Yanayin: 10 Hz - 14.75 kHz |
| Halayen Tace |
6-pole tacewa, 120 dB/shekaru, dakatarwa attenuation -65 dB |
| Fitar mai rikodin |
4-20 mA, iyawar lodi 0-600 Ω |
| Tasirin Fitarwa (Buffered) |
550 Ω |
| Samar da wutar lantarki ta Transducer |
3-waya: -24 Vdc; 2-waya: 3.3mA @ 22Vdc |
| Daidaiton Ƙararrawa |
± 0.13% na ƙimar saiti |
| Jinkirin ƙararrawa |
Faɗakarwa: 1-60s (ƙarin 1s); Haɗari: 0.1s ko 1-60s (ƙarin 0.1s) |
| Yanayin Aiki |
-30°C zuwa +65°C |
| Takaddun Takaddun Tsaro |
ATEX, IECEx, CSA, CE, FCC, RoHS, DNV GL, ABS |
Yanayin aikace-aikace
3500/64M Dynamic Pressure Monitor ya dace musamman ga yanayin masana'antu masu zuwa:
Gas da Tumbun Turbines: Kula da jujjuyawar matsa lamba na ɗakin konewa, motsin iska.
Tsarin Compressor: Gano abubuwan tashin hankali, bugun iska, girgiza bawul.
Kayan aikin famfo: Kula da abubuwan cavitation, bugun jini na ruwa.
Gwajin Injin: Kula da matsa lamba na Silinda, nazarin konewa.
Tsarin Bututun: Gano al'amuran guduma na ruwa, bugun jini.
Injin Juyawa: Kula da mitar wucewar ruwa, al'amuran vortex.
