Phau ntawv qhia
Vibration Hloov / Sensor
VS 11 VS 12

VS11 Vibration Hloov Sensor

Editor:
Manfred Weber
Metra Mess- und Frequenztechnik hauv Radebeul eK
Meißner Str. 58
D-01445 Radebeul
Xov tooj 0351-836 2191
Fax 0351-836 2940 Web
Email info@MMF.de
Internet www.MMF.de
Nco tseg: Qhov tseeb version ntawm phau ntawv no tuaj yeem pom raws li PDF ntawm https://mmf.de/en/product_literature

Specifications yuav hloov.
© 2023 Manfred Weber Metra Mess- und Frequenztechnik hauv Radebeul eK
Kev tsim tawm tag nrho lossis ib nrab yuav raug tso cai sau ua ntej.
Nov 23, nr 194
Ua tsaug rau kev yuav khoom Metra!

Daim ntawv thov

VS11/12 vibration keyboards yog tsim los saib xyuas kev vibration amplitudes ntawm cov tshuab tig (saib Tshooj 9). Thaum muab amplitude yog dhau lub tswb teeb liab lossis tsis siv neeg kaw yog tshwm sim los ntawm cov zis tawm. Ib yam li ntawd, cov cuab yeej siv tau los ua qhov cuam tshuam rau kev ntes, piv txwv liample, qhia kev sib tsoo.
Cov khoom siv VS11 thiab VS12 ntsuas thiab saib xyuas kev vibration hauv ob lub sijhawm thiab zaus, vim li no lawv tuaj yeem xaiv saib xyuas cov khoom siv zaus ntawm ib tus neeg.
Cov cuab yeej muaj piezoelectric precision accelerometer thiab micro-controller raws li electronics. Qhov no ua kom muaj kev ntseeg siab thiab rov tsim dua tshiab. Cov khoom siv tau teeb tsa los ntawm USB interface thiab software dawb. Vim nws qhov ntau ntawm qhov chaw VS11/12 tuaj yeem hloov kho rau txhua daim ntawv thov, los ntawm kev ntsuas ntawm kev vibrations qis mus rau kev tshawb pom ntawm high-frequency shock acceleration.

Devices ntawm ib Glance

VS11:VS12:

Cov khoom sib txuas

3.1. Fais fab mov
VS11 vibration hloov ua haujlwm nrog DC voltage nyob rau hauv kev saib xyuas, cov terminals "+ U" (zoo) thiab "0V" (tsis zoo / av) yuav tsum tau txuas nrog hauv lub casing. Cov khoom siv voltage ntau yam yog 5 txog 30 V. Fais fab noj tsawg dua 100 mA.Daim duab 1: Qhib VS11 nrog terminals rau fais fab mov / relay tso zis thiab USB qhov (socket)
Thaum lub sijhawm teeb tsa lub VS11 tau txais nws lub zog ntawm USB cable.
Lub VS12 yog siv los ntawm kev txuas lub USB cable rau 8-pin socket. Xwb, DC voltage ntawm 5 mus rau 12 V tuaj yeem txuas rau ntawm terminals 4 (nce ncej zoo) thiab 7 (muab / hauv av) ntawm 8-pin socket (Daim duab 2).
Cov khoom siv voltage kev sib txuas yog tiv thaiv tsis tseeb polarity.Daim duab 2: Sab nraum zoov view ntawm VS12 qhov (socket) nrog tus lej davhlau ya nyob twg
3.2. Relay tso zis
Cov khoom siv muaj PhotoMOS relay. Kev hloov pauv tus cwj pwm tuaj yeem ua haujlwm nrog VS1x software (saib Tshooj 4.2.6). Lub relay terminals yog galvanically cais los ntawm tus so ntawm lub Circuit Court.
Lub VS11 relay tso zis yog kev cob cog rua ntawm cov ntsia hlau terminals nyob rau hauv lub tsev (Daim duab 1).
VS12 muaj relay terminals nyob ntawm kev sib cuag 1 thiab 2 ntawm 8-pin socket (Daim duab 2).
Metra muaj kev sib txuas cables rau VS12 nrog rau 8-pin connector rau lub hwj chim mov thiab relay tso zis.
Thov nco ntsoov tias lub relay tsuas yog tsim nyog rau kev hloov cov khoom me me (saib Tshooj Cov Ntaub Ntawv Kev Siv). Tsis muaj kev tiv thaiv overload.

3.3. USB interface
Rau kev teeb tsa thiab ntsuas, cov khoom siv muaj USB 2.0 interface hauv hom puv nrawm thiab CDC (Kev Sib Txuas Lus Ntaus Chav). VS11 txuas nrog ntawm tus qauv micro USB socket hauv lub casing (Daim duab 1). Lub VS12 USB chaw nres nkoj nyob ntawm 8-pin socket (Daim duab 2). Cov neeg sib cuag tau muab raws li hauv qab no:
Pin 6: +5 V
Pin 3: D+
Pin 5: D-
Pin 7: pes
Lub VS12-USB cable yog muab rau kev txuas rau lub PC.
Thaum txuas lub vibration hloov mus rau lub PC ntawm USB, lub cuab yeej siv los ntawm lub interface. Hauv qhov no, kev siv hluav taws xob ntxiv yuav tsis siv.

Parameterization

4.1. Ntaus Ntaus Ntaus
Txhawm rau teeb VS11/12 qhib lub LabView kev vs1x.vi. Cov lus ceeb toom ntawm kev teeb tsa tau muab rau hauv Tshooj 10. Qhov kev pab cuam qhib rau hauv kev teeb tsa view (Daim duab 3).Lub VS11/12 khiav hauv virtual COM chaw nres nkoj hom, piv txwv li lub cuab yeej tau muab lub chaw nres nkoj virtual USB (COM chaw nres nkoj). Tus lej COM chaw nres nkoj tau muab rau lub cuab yeej los ntawm lub qhov rais, tab sis tuaj yeem hloov pauv hauv lub qhov rais tswj vaj huam sib luag yog tias xav tau.
Tus naj npawb COM chaw nres nkoj tau tshwm nyob rau hauv "Setup" nyob rau sab saum toj sab laug. Yog tias VS11/12 twb tau txuas nrog thaum qhov kev pab cuam pib, nws yuav raug lees paub. Txwv tsis pub, koj tuaj yeem pib tshawb nrhiav manually los ntawm txhaj rau "Tshawb VS1x". Lub khoos phis tawj tshawb nrhiav los ntawm tus lej nkag COM chaw nres nkoj thiab xaus nrog COM50. Koj tuaj yeem hloov kho qhov chaw nres nkoj COM manually. Qhov no yuav pab tau yog tias ob peb VS11/12 txuas nrog lub computer tib lub sijhawm. Qhov kev zov me nyuam ua haujlwm nrog COM chaw nres nkoj naj npawb 1 txog 50.
Nyob rau sab xis saum toj koj yuav pom cov xwm txheej bar. Yog hais tias lub teeb ntsuab framed "OK" qhia tau hais tias kev twb kev txuas tau tsim. Yog tias qhov kev sib txuas raug cuam tshuam, lub teeb liab "ERROR" yuav tshwm sim.

4.2. Chaw
4.2.1. General
Cov chaw tam sim no tau nyeem sai li sai tau thaum kuaj pom lub cuab yeej. Hauv kab nyob ib sab ntawm tus lej COM chaw nres nkoj koj tuaj yeem pom hom, version (3 tus lej rau kho vajtse thiab 3 tus lej rau software), serial tooj thiab hnub kawg ntawm calibration. Cov ntaub ntawv no tsis tuaj yeem hloov kho. Lub npe ntaus ntawv tuaj yeem sau thiab xa mus rau lub cuab yeej los ntawm nias "Enter".
Nias lub pob "Txuag" kom txuag tau qhov chaw raws li XML file thiab "Load" upload lawv rau hauv qhov kev pab cuam. Cov kev hloov kho tsis tau raug muab rau cov haujlwm blocks "Gain", "Filters/Integrators", "Warning"/Alarm" thiab "Switch Output".
Txhua qhov kev nkag yuav tam sim ntawd raug xa mus rau VS11/12 thiab khaws cia txawm tias tom qab txiav tawm cov khoom siv voltage.

4.2.2. Saib xyuas hom
VS11/12 muaj ob txoj kev saib xyuas xaiv los ntawm:

• Kev saib xyuas hauv lub sijhawm nrog RMS thiab qhov tseem ceeb tshaj plaws (saib Tshooj 5)
• Kev soj ntsuam nyob rau hauv qhov zaus nrog zaus-band-dependent txwv qhov tseem ceeb (saib Tshooj 6)

Xaiv hom hauv qab "Saib xyuas". Hom kev xaiv tsis ntev los no thiab cov kev txwv sib thooj yuav nyob twj ywm tom qab kaw qhov kev pab cuam lossis cuam tshuam kev sib txuas USB. Tib yam siv rau txoj haujlwm qhia (saib Tshooj 7).

4.2.3. Tau
Qhov nce tuaj yeem xaiv los ntawm qhov tseem ceeb 1, 10 thiab 100 ntawm "Kho" ntawv qhia zaub mov. Qhov "Auto" qhov chaw cia li xaiv qhov kev nce qib uas tsim nyog tshaj plaws. Hauv qhov no, cov ntawv qhia nce qib yog greyed-tawm.
Feem ntau cov haujlwm saib xyuas tuaj yeem ua tiav siv qhov nce tsis siv neeg (auto). Nws yog advantageous vim tias nws ua tiav qhov kev daws teeb meem zoo dua thaum ntsuas qhov kev vibration qis amplitudes ntawm qib nce siab dua. Ntawm qhov tod tes, npaj txhij txog siab amplitudes tsis ua rau overload.
Muaj, txawm li cas los xij, cov ntawv thov uas tsis siv neeg nce kev xaiv tsis tsim nyog, rau example, ua amplitudes uas tas li hloov pauv nyob ib puag ncig ib qho kev hloov pauv lossis ib txwm muaj kev poob siab.

4.2.4 ib. Lim thiab Integrators
VS11/12 tuaj yeem saib xyuas kev vibration acceleration lossis vibration tshaj tawm. Ntau yam ntawm cov lim dej siab thiab qis qis muaj rau xaiv. Qhov dav dav tshaj plaws yog 0.1 Hz txog 10 kHz rau kev nrawm, thiab 2 txog 1000 Hz rau kev tshaj tawm. Qhov ntau zaus yog kho los ntawm cov ntawv qhia zaub mov. Peb qhov kev vibration tshaj tawm tuaj yeem pom ntawm qhov kawg ntawm cov ntawv qhia zaub mov. Yog xav paub txog cov kev cai ntau zaus hauv kev saib xyuas cov tshuab tig, saib Tshooj 9.
Kev teeb tsa cov lim dej thiab cov neeg sib koom ua ke tsuas yog cuam tshuam thaum saib xyuas hauv lub sijhawm (RMS thiab ncov). Hauv hom FFT lawv yog deactivated.
4.2.5. Ceeb toom thiab tswb txwv
Koj tuaj yeem xaiv tus nqi saib xyuas los ntawm "RMS/Peak" ntawv qhia zaub mov. RMS qhov tseem ceeb feem ntau yog siv los ntsuas kev vibration, thiab ncov qhov tseem ceeb rau ib qho kev cuam tshuam.
Lub tswb txwv txiav txim siab hloov qhov pib ntawm qhov tso tawm relay. Nws yog nkag rau hauv m / s² rau acceleration lossis mm / s rau kev tshaj tawm. Tus nqi tso cai yog 0.1 txog 500.0.
Qhov txwv ceeb toom yog nkag mus ua ib feemtage ntawm tus nqi tswb.
Cov nqi ntawm 10 mus rau 99% yog tso cai. Cov kev txwv ceeb toom tuaj yeem siv los qhia txog qhov xwm txheej ua ntej tswb ntawm LEDs ua ntej lub tswb tshwm sim (saib Tshooj 4.3).
Qhov "qhia-hauv-factor" yog qhov ntsuas tsis siv neeg rau lub tswb txwv (saib Tshooj 7). Nws txiav txim siab deb npaum li cas lub tswb txwv tau teeb tsa saum toj no tam sim no ntsuas tus nqi siab tshaj plaws. Qhov kev ceeb toom txwv tsis pub qhia yog ib txwm teem rau ntawm 50%.
Nws tsuas yog tsim nyog rau preset qhov ntsuas qhov sib txawv thiab lub tswb txwv thaum ntsuas lub sijhawm (RMS thiab ncov). Hauv hom FFT lub tswb txwv tau teeb tsa hauv FFT qhov rai (saib Tshooj 6).
4.2.6. Hloov cov zis
Lub VS11/12 muaj PhotoMOS relay hloov. Cov kev hloov pauv tuaj yeem teev nyob rau hauv cov ntawv qhia zaub mov. Lub relay qhib (nc) los yog kaw (tsis muaj) nyob rau hauv teb rau ib tug ceeb toom los yog lub tswb ceeb toom.
Lub hwj chim-on ncua yog qhov ncua sij hawm ntawm kev hloov ntawm lub hwj chim thiab ua kom lub zog ntawm kev saib xyuas. Nws pab tiv thaiv kev ceeb toom tsis tseeb tom qab hloov ntawm lub cuab yeej tshwm sim los ntawm cov lus teb ib ntus ntawm cov teeb liab ua.
Qhov ncua sij hawm yog 0 txog 99 vib nas this.
Lub hwj chim-on ncua yog qhov ncua sij hawm nruab nrab ntawm lub tswb ntsuas pib dhau thiab qhov hloov pauv hloov pauv. Thaum xoom lub relay reacts tam sim ntawd.
Yog hais tias lub sij hawm tsawg kawg nkaus yuav tsum siv rau ntau tshaj li lub tswb txwv, qhov kev ncua ncua mus txog 99 vib nas this tuaj yeem nkag mus.
Lub sijhawm "Tshem tawm" yog lub sijhawm thaum tus amplitude poob qis dua lub tswb txwv kom txog thaum lub relay rov qab mus rau qhov qub. Qhov kev teeb tsa no tuaj yeem siv tau yog tias yuav tsum muaj lub sijhawm ceeb toom yam tsawg kawg nkaus. Qhov ntau yog los ntawm 0 mus rau 9 vib nas this.

4.2.7 ib. Hoobkas nqis / Calibration
Los ntawm nias lub pob "Teeb defaults" tag nrho cov tsis tau rov qab mus rau lub Hoobkas teeb tsa (kev nrawm 2-1000 Hz, tsis siv neeg nce, txwv tus nqi 10 m / s², lub tswb ua ntej rau 50%, qhia qhov tseem ceeb 2, relay kaw thaum lub tswb tshwm sim, switching ncua 10 s, tswb ncua 0 s, tuav lub sij hawm 2 s).
Tus password calibration ("Cal. Password") tsuas yog yuav tsum tau nkag los ntawm cov chaw kuaj ntsuas ntsuas.

4.3. LED qhov taw qhia xwm txheej
Lub VS11 qhia txog cov xwm txheej tam sim no ntawm plaub lub teeb ntsuab / liab LEDs. Thaum twg lub cuab yeej npaj ua haujlwm tag nrho LEDs teeb. LEDs muaj cov nram qab no configuration:
4 x ntsuab: tsis ceeb toom / tsis muaj tswb
2 x ntsuab / 2 x liab: ceeb toom txwv tshaj
4 x liab: tswb txwv tshaj
Cov LEDs qhia txog qib kev co tam sim no nyob rau hauv kev sib raug zoo rau qhov txwv qhov tseem ceeb.
Tej zaum lawv yuav txawv ntawm qhov hloov pauv tam sim no ntawm tus relay yog qhov hloov pauv qeeb lossis lub sijhawm tuav tseem tsis tau dhau mus.

Ntsuas hauv Lub Sijhawm Domain

Dhau li ntawm kev soj ntsuam kev vibration nrog hloov cov zis, theVS12 tuaj yeem siv ua ke nrog PC software los sau thiab tso saib RMS thiab cov txiaj ntsig siab tshaj plaws nrog xaiv filer thiab integrator settings.
Rau lub hom phiaj no hloov mus rau tab "RMS / Peak". Lub qhov rais sab saud muaj cov lej qhia rau RMS thiab ncov. Lub sij hawm daim ntawv teev cov chav kawm ntawm kev vibration ntau xaiv nyob rau hauv "Plot" (Daim duab 4).Tus nqi axis daim ntawv qhia qhia qhov kev vibration kom muaj nuj nqis thiab cov lim xaiv. Lub sij hawm axis adjusts rau lub sij hawm ntawm cov ntaubntawv povthawj siv. Los ntawm txoj cai-nias rau hauv daim ntawv qhia cheeb tsam (Daim duab - ure 5) koj tuaj yeem ntsuas qhov ntsuas (auto-scaling X / Y). Tsis tas li ntawd koj tuaj yeem xaiv hom hloov tshiab (Daim duab 6).

• Sawb daim ntawv: cov ntaub ntawv yog tso tawm tsis tu ncua los ntawm sab laug mus rau sab xis. Daim ntawv qhia sawb zoo ib yam li daim ntawv sau cia (Y / t recorder).
• Scope chart: qhia ib lub teeb liab (xws li ib tug impulse) ib ntus ntawm sab laug mus rau sab xis. Txhua tus nqi tshiab yog ntxiv rau sab xis ntawm qhov ua ntej. Thaum daim duab mus txog rau sab xis ntawm thaj chaw tso saib nws yog tag nrho erased thiab redrawn ntawm sab laug mus rau sab xis.
  Cov zaub zoo ib yam li oscilloscope.
• Sweep chart: zoo ib yam li daim ntawv qhia tshwj xeeb uas cov ntaub ntawv qub ntawm sab xis yog sib cais los ntawm kab ntsug los ntawm cov ntaub ntawv tshiab ntawm sab laug. Thaum cov phiaj xwm mus txog sab xis ntawm thaj chaw tso saib nws tsis raug tshem tawm tab sis txuas ntxiv mus. Daim ntawv cheb yog zoo ib yam li ECG zaub.

Peb hom hloov tshiab tsuas yog cuam tshuam rau lub sijhawm pom ntawm daim ntawv. Tag nrho cov ntaub ntawv ntsuas txij li qhib lub qhov rais, suav nrog cov ntaub ntawv uas tsis pom, tseem tuaj yeem siv tau. Rau view cov ntaub ntawv siv lub scroll bar hauv qab daim duab.
Peb hom hloov tshiab tsuas yog ua haujlwm yog tias "Auto-scaling" tau raug xaiv (Daim duab 5).
Daim ntawv qhia axes tuaj yeem ua tau manually rescaled los ntawm ob-nias ntawm tus lej tus nqi ntawm daim ntawv lo axes thiab overwriting tus nqi.
Hauv "Export" koj yuav pom cov kev xaiv hauv qab no:

• Luam cov ntaub ntawv kab ntawv raws li cov lus muaj nqi rau cov ntawv teev cia
• Luam daim duab kos rau daim ntawv teev lus
• Qhib cov ntaub ntawv hauv lub rooj Excel (yog tias Excel tau teeb tsa)

Cov kev xaiv export no kuj tuaj yeem pom raws li cov nyees khawm nyob ib sab ntawm daim ntawv.
Nias lub khawm "Stop" yog tias koj xav rho tawm cov ntaubntawv povthawj siv. Cov zaub yuav nres.
Los ntawm nias "Restart" daim duab yog deleted thiab pib dua.

Kev ntsuas nyob rau hauv qhov ntau zaus (FFT)

Ntxiv rau kev saib xyuas RMS thiab ncov, VS11 thiab VS12 pab kom txwv tus nqi saib xyuas hauv ntau zaus los ntawm kev txheeb xyuas zaus (FFT). Lub vibration spectra tuaj yeem ua tau viewed ua ke nrog lub PC software.
Rau lub hom phiaj no hloov mus rau tab "FFT". Lub qhov rais (Daim duab 7) qhia cov zaus spectrum ntawm tus nqi nce siab, xaiv tau los ntawm 5 txog 1000 Hz lossis 50 txog 10000 Hz.Ib lub hnab ntawv hom muaj rau cov khoom siv ntawm version xxx.005 thiab siab dua. Txhawm rau pab nws, xaiv cov khoom "ENV" hauv qab "Frequency range".
Nrog rau qhov zoo tib yam Fourier hloov pauv (FFT), nws tsis tuaj yeem tshem tawm cov pulses uas tsis muaj zog los ntawm kev vibration spectrum ntawm cov menyuam bearing. Kev txheeb xyuas lub hnab ntawv yog ib qho cuab yeej siv tau rau lub hom phiaj no. Los ntawm ceev ncov rectification, lub hnab ntawv nkhaus ntawm lub teeb liab acceleration tau txais (Daim duab 8)Lub hnab ntawv nkhaus ces dhau qhov Fourier transformation (FFT). Qhov tshwm sim yog ib tug spectral sawv cev los ntawm uas lub rollover frequencies sawv tawm kom meej meej.
Ib qho tsis muaj kev puas tsuaj rau cov kabmob feem ntau tsuas muaj qhov tseem ceeb amplitude ntawm qhov zaus rotational hauv lub hnab ntawv spectrum. Thaum muaj kev puas tsuaj tshwm sim, lub rollover frequencies yuav pom raws li qhov tseem ceeb zaus. Cov amplitudes nce nrog nce kev puas tsuaj. Daim duab 9 qhia txog cov zaub ntawm lub hnab ntawv spectrum. Los ntawm txoj cai nyem rau ntawm daim ntawv qhia cheeb tsam koj tuaj yeem ntsuas daim ntawv qhia (auto scaling Y). Muab ob npaug rau-nias ntawm daim ntawv teev teev ntawm Y-axis tso cai rau koj los kho qhov axis los ntawm kev sau nws.
Scaling zaus axis (X) yog tsis tsim nyog vim hais tias nws yog tsau los ntawm ntau zaus ntawm FFT (1/10 kHz). Y-axis tuaj yeem pom los ntawm cov kab tawm lossis logarithmic. Txhawm rau xa tawm daim ntawv qhia cov kev xaiv tib yam li hauv lub sijhawm ntsuas ntsuas muaj nyob (saib Tshooj 9).
Input teb rau 10 amplitudes thiab 10 zaus nyob rau hauv daim ntawv qhia zaub mov. Ntawm no koj tuaj yeem hais qhia ib txoj kab txwv uas tau muab tso rau hauv qhov zaus spectrum thiab teeb tsa lub tswb thaum qhov kev txwv dhau lawm. Txoj kab txwv tso cai rau koj xaiv saib cov spectral Cheebtsam.
Qhov no tej zaum yuav yog advantageous nyob rau hauv thiaj li yuav saib xyuas ib tug tshwj xeeb tivthaiv los ntawm ib tug sib tov ntawm vibration frequencies.
Rau qhov kev hloov pauv, kev ceeb toom txwv thiab ncua sij hawm ncua kev teeb tsa tau piav qhia hauv ntu 4.2.5 thiab 4.2.6 siv.
Hauv kab nrog 10 zaus koj tuaj yeem nkag mus rau qhov xav tau ntawm qhov ntau ntawm 1 Hz txog 1000 lossis 10000 Hz (nyob ntawm seb cov lim lim xaiv). Qhov xwm txheej tsuas yog tias cov zaus nce ntawm sab laug mus rau sab xis. Cov amplitude nkag hauv qab qhov zaus hauv m / s² yog qhov txwv ntawm qhov qis dua tom ntej mus txog qhov zaus no. Yog tias koj xav tau tsawg dua 10 qhov tsis sib xws koj tuaj yeem nkag mus rau qhov siab tshaj plaws ntawm 1000 lossis 10000 Hz nrog rau qhov sib xws amplitude txwv ntxiv mus rau sab laug.
Hauv qhov no, qhov tseem ceeb ntawm txoj cai ntawm qhov siab tshaj plaws yuav raug tsis quav ntsej.
Qhov txwv nkhaus tuaj yeem pom lossis muab zais rau ntawm daim ntawv. VS11/12 txwv kev saib xyuas txawm li cas los xij ib txwm ua haujlwm.

Qhia-hauv Function

VS11 muaj kev qhia ua haujlwm rau kev ntsuas lub tswb txwv. Lub PC tsis tas yuav tsum tau ua rau txoj haujlwm no. Txhawm rau siv qhov kev qhia-hauv kev ua haujlwm, lub vibration hloov yuav tsum tau muab tso rau ntawm qhov khoom los ntsuas, uas yuav tsum nyob rau hauv kev npaj ua haujlwm rau kev saib xyuas.
Txhawm rau qhib qhov kev qhia-hauv kev ua haujlwm tshem tawm lub hau npog uas sau tias "qhia-hauv" thiab luv luv nias lub pob hauv qab nrog rau qhov ntev, tsis yog qhov khoom. Thaum ua qhov no yuav tsum ceev faj kom tsis txhob muaj kev cuam tshuam rau lub casing.
Raws li cov kev xaiv saib xyuas hom, lub vibration hloov tam sim no yuav txiav txim siab lub tswb pib raws li qhov muaj nqis.
Qhov no tuaj yeem siv sijhawm li ntawm 4 txog 40 s, thaum lub sijhawm LEDs tseem tsis tau pom. Lub caij no, cov txheej txheem hauv qab no yuav khiav hauv vibration hloov:

• Nrog RMS thiab kev saib xyuas siab tshaj plaws hauv lub sijhawm sau npe xaiv qhov kev soj ntsuam kom muaj nuj nqis nrog cov txheej lim lim tau ntsuas rau ob peb feeb. Qhov tshwm sim RMS thiab qhov tseem ceeb tshaj plaws yog muab faib los ntawm qhov kev qhia-hauv qhov ua tau (programmed hauv kev teeb tsa) thiab khaws cia raws li lub tswb txwv. Kev ceeb toom txwv yog teem rau ntawm 50%.
  Ua ntej qhib qhov kev qhia-hauv kev ua haujlwm, thov xaiv cov lim dej kom haum.
• Nrog FFT saib xyuas nyob rau hauv lub zaus zaus qhov zaus spectrum mus txog 10 kHz yog ntsuas thiab nruab nrab rau ob peb feeb thiab cov txiaj ntsig tau kaw.
  Tom qab ntawd, qhov loj tshaj plaws spectral kab yog txiav txim siab. Yog tias kab no qis dua 1kHz, qhov kev tshuaj ntsuam yuav rov ua dua nrog 1 kHz band dav. Qhov ntau zaus yuav muab faib ua kaum sib npaug sib npaug ntawm 100 lossis 1000 Hz. Rau txhua qhov ntawm cov kab no amplitude nrog qhov loj tshaj plaws spectral kab, yog multiplied los ntawm kev qhia yam, thiab teem raws li qhov txwv. Yog tias qhov siab tshaj plaws nyob ntawm cov npoo ntawm ib qho hauv - terval, lub sijhawm tom ntej no kuj yuav raug teem rau ntawm qhov txwv no.
  Qhov kev ceeb toom txwv kuj tau teeb tsa ntawm 50%.

Nyob rau hauv txoj kev no lub tswb txwv tuaj yeem txiav txim siab yam tsis muaj kev paub txog qhov tseeb acceleration thiab tshaj tawm. Qhov kev qhia-nyob rau hauv qhov tseem ceeb txiav txim qhov kev tso cai kam rau ua.
Nco ntsoov: Thov tsis txhob kov VS11 thaum lub sijhawm qhia.

Ntsuas cov ntsiab lus ntawm cov tshuab tig

8.1. General
Rau kev saib xyuas cov xwm txheej ntawm lub tshuab xaiv cov ntsiab lus ntsuas tsim nyog yog qhov txiav txim siab. Thaum twg tau txais kev cob qhia cov neeg ua haujlwm nrog kev paub txog kev saib xyuas tshuab yuav tsum raug hu rau.
Nws yog feem ntau pom zoo kom ntsuas lub tshuab vibrations ze li sai tau rau lawv qhov chaw. Qhov no pab kom ntsuas cov teeb liab distortions, vim yog cov khoom hloov pauv, kom tsawg. Kev ntsuas qhov chaw tsim nyog suav nrog cov khoom tsis sib xws xws li cov kabmob vaj tsev thiab cov khoom siv lub cev.
Kev ntsuas qhov chaw tsis tsim nyog rau kev ntsuas kev vibration yog lub teeb lossis cov khoom siv tshuab hloov pauv, xws li cov ntawv hlau lossis cladding.
8.2. Daim ntawv txuas
Cov khoom siv VS11/12 muaj cov khoom siv txhuas muaj zog nrog M8 xov tus pin rau txuas. Cov khoom siv yuav tsum tau txuas los ntawm tes nkaus xwb. Thov tsis txhob siv cov cuab yeej.
8.3. Cov Lus Qhia Ntxiv rau ISO 10816-1
TS EN ISO 10816-1 tus qauv pom zoo kom coj cov vaj tse lossis lawv qhov chaw nyob ib puag ncig raws li qhov xav tau ntsuas qhov chaw cov ntsiab lus rau kev ntsuas lub tshuab vibrations (Daim duab 11 txog 14).
Rau lub hom phiaj ntawm kev saib xyuas lub tshuab nws yog feem ntau txaus los ntsuas hauv ib qho kev taw qhia, xws li vertically lossis horizontally
Nyob rau hauv cov cav tov nrog kab rov tav shafts thiab cov hauv paus ruaj khov qhov loj tshaj kev co amplitudes tshwm sim horizontally. Nyob rau hauv lub hauv paus saj zawg zog muaj zog ntsug Cheebtsam tshwm sim.
Rau lub hom phiaj ntawm kev lees txais, kev ntsuas qhov tseem ceeb yuav tsum tau sau tseg rau hauv tag nrho peb cov lus qhia (ntu, kab rov tav thiab axial) ntawm txhua qhov chaw bearing ntawm qhov nruab nrab ntawm cov kabmob.
Cov duab hauv qab no yog examples ntawm qhov ntsuas qhov chaw tsim nyog.
TS EN ISO 13373-1 Cov lus pom zoo rau kev ntsuas qhov chaw nyob ntawm ntau hom tshuab.

Vibration Monitoring nrog Standard Limits

Deriving nqe lus hais txog tus mob ntawm lub tshuab los ntawm kev soj ntsuam kev co txwv qhov tseem ceeb yuav tsum tau ib co kev paub. Yog tias tsis muaj cov txiaj ntsig tshwj xeeb los ntawm kev ntsuas yav dhau los, muaj ntau qhov xwm txheej koj tuaj yeem xa mus rau cov lus pom zoo ntawm ISO 20816 tsev neeg ntawm cov qauv (yav tas los ISO 10816). Nyob rau hauv cov ntu no ntawm tus txheej txheem kev vibration hnyav cheeb tsam txwv rau ntau hom tshuab tau txhais. Cov txheej txheem tuaj yeem siv rau kev ntsuam xyuas thawj zaug ntawm lub tshuab. Plaub cheeb tsam ciam teb characterize lub tshuab nyob rau hauv pawg raws li kev vibration hnyav:
A: Cov xwm txheej tshiab
B: Zoo rau kev ua haujlwm tsis tu ncua
C: Cov mob tsis zoo – tso cai rau kev txwv kev ua haujlwm nkaus xwb
D: Cov xwm txheej tseem ceeb - txaus ntshai ntawm lub tshuab puas
Hauv qhov txuas ntxiv ntawm ntu 1 ntawm ISO tus qauv dav dav thaj tsam ciam teb yog muab rau cov tshuab uas tsis cuam tshuam nrog lwm qhov ntawm tus qauv.Table 1: Tus nqi txwv tsis zoo rau kev vibration hnyav rau ISO 20816-1
Cov txheej txheem ISO qhia tias cov tshuab me xws li lub tshuab hluav taws xob uas muaj lub zog ntsuas txog li 15 kW yuav nyob ib puag ncig thaj tsam qis, thaum lub tshuab loj xws li cov motors nrog lub hauv paus hloov tau nyob ib ncig ntawm thaj tsam sab saud.
Hauv ntu 3 ntawm ISO 20816 koj yuav pom thaj tsam thaj tsam rau kev vibration hnyav ntawm cov cav tov nrog lub zog ntsuas ntawm 15 kW bis 50 MW (2).Table 2: Kev faib tawm ntawm Vibration Severity rau ISO 20816-3
Ntu 7 ntawm ISO 10816 hais tshwj xeeb nrog cov twj rotodynamic (Table 3). Table 3: Kev faib tawm ntawm kev co hnyav ntawm cov twj rotodynamic rau ISO 10816-7

Txhim kho PC Software

Tom ntej no txuas VS11/12 mus rau USB chaw nres nkoj ntawm koj lub PC. Nrog VS11 koj yuav tau tshem tawm plaub Allen screws thiab tshem tawm lub hau. Kev sib txuas yog tsim los ntawm micro USB cable. Nrog VS12 USB cable hom VS12-USB txuas nrog 8 tus pin socket.
Yog tias lub cuab yeej txuas nrog lub PC thawj zaug windows yuav thov tus tsav tsheb. Cov ntaub ntawv tsav tsheb file tuaj yeem nrhiav tau ntawm peb website: “MMF_VCP.zip”.
https://mmf.de/en/produkt/vs11.
Unzip thiab txuag lub kaw files mus rau ib tug directory ntawm koj lub computer. Thaum lub qhov rais thov qhov chaw ntawm lub cuab yeej tsav tsheb, nkag mus rau cov npe no. Cov cuab yeej tsav tsheb tau kos npe digitally thiab khiav hauv Windows XP, Vista, 7, 8 thiab 10.
Lub computer yuav nruab ib lub chaw nres nkoj virtual COM uas khiav hauv CDC hom. Lub advantage ntawm qhov chaw nres nkoj virtual COM yog tias lub cuab yeej tuaj yeem tswj tau los ntawm kev siv yooj yim-rau-siv ASCII cov lus txib.
Thaum koj tau teeb tsa tus tsav tsheb, VS11/12 yuav raug txheeb xyuas los ntawm lub kaw lus.
Txhawm rau pab koj hauv kev teeb tsa thiab ntsuas, PC software VS1x yog muab los ntawm qhov txuas saum toj no. Unzip lub file vs1x.zip rau hauv phau ntawv teev npe ntawm koj lub computer thiab tom qab ntawd pib setup.exe. Lub installation directory tuaj yeem hloov tau raws li qhov xav tau. Qhov program yog LabView daim ntawv thov thiab vim li no thiaj li teeb tsa ntau yam ntawm LabView Run-Time ib puag ncig los ntawm National Instruments.
Ib zaug ntsia, qhov kev pab cuam (Daim duab 3) nyob rau hauv Metra Radebeul nyob rau hauv lub pib ntawv qhia zaub mov ntawm koj lub computer.

Kev koom ua ke ntawm VS11/12 nrog lwm yam Software

Lub software muab los ntawm Metra tsuas yog ib qho example ntawm PC tswj parameterization thiab ntsuas nrog VS11/12. Lub software tau tsim nrog LabView 2014.
Rau kev sib koom ua ke cov cuab yeej siv rau hauv lwm cov haujlwm software Metra yuav muab ASCII cov lus qhia teeb thiab LabView cov ntaub ntawv project, raws li kev thov.

Firmware Update

Nyob rau hauv rooj plaub uas tshiab software (firmware) rau koj VS11/12 yog muaj koj tuaj yeem tso rau hauv koj tus kheej. Thov qhib lub web chaw nyob hauv qab no mus xyuas qhov tseeb version:
https://mmf.de/en/produkt/vs11.
Lub firmware yog tib yam rau txhua yam khoom siv VS1x.
Txuas lub VS11/12 ntawm USB cable rau PC thiab kos rau hauv qhov kev pab cuam teeb tsa lub teeb tsa firmware version ntawm koj lub vibration hloov (Daim duab 3). Yog hais tias tus naj npawb version qhia ntawm lub web nplooj ntawv yuav tsum siab dua download tau lub firmware file, unzip nws thiab txuag nws mus rau ib daim nplaub tshev uas koj xaiv.
Nruab kuj los ntawm saum toj no web nplooj ntawv "Firmware Updater".
Npaj lub vibration hloov rau qhov hloov tshiab los ntawm nias lub pob "Firmware up-date" nyob rau hauv qhov kev pab cuam teeb thiab paub meej tias cov lus ceeb toom. Cov qub firmware tam sim no yuav raug tshem tawm (Daim duab 15). Pib "Firmware Updater", xaiv lub ntaus ntawv hom "VS1x" thiab xaiv lub virtual COM chaw nres nkoj siv rau USB kev twb kev txuas. Nyem rau "Load" khawm thiab nkag mus rau cov npe ntawm cov firmware rub tawm file vs 1 xh. Tom qab ntawd nyem "Xa" los pib cov txheej txheem hloov tshiab. Qhov kev nce qib yuav raug qhia los ntawm daim duab bar. Tom qab ua tiav kev hloov tshiab, kev vibration hloov yuav rov pib dua thiab "Firmware Updater" yuav raug kaw.
Thov tsis txhob cuam tshuam cov txheej txheem hloov tshiab. Tom qab hloov kho qhov yuam kev koj tuaj yeem rov pib dua "Firmware Updater".

Technical Data

Sensor	Piezoelectric accelerometer, inbuilt
Saib xyuas hom	Real RMS thiab Peak Kev soj ntsuam zaus
Kev ntsuas qhov ntau
Kev nrawm	0.01-1000 m/s²
Ceev ceev	Ntau zaus nyob ntawm
Sample tus	2892 Spl / s (RMS / ncov tshaj tawm thiab 1 kHz FFT) 28370 Spl/s (RMS / ncov ntawm acceleraion thiab 10 kHz FFT)
Refresh tus nqi	1.4 s (RMS / ncov tshaj tawm) 1.0 s (RMS / ncov ntawm acceleration thiab FFT)
Acceleration Lim	0.1-100; 0.1-200; 0.1-500; 0.1-1000; 0.1-2000; 0.1-5000; 0.1- 10000; 2-100; 2-200; 2-500; 2-1000; 2-2000; 2-5000; 2- 10000; 5-100; 5-200; 5–500:5–1000; 5-2000; 5-5000; 5- 10000; 10-100; 10-200; 10-500; 10-1000; 10-2000; 10-5000; 10-10000; 20-100; 20-200; 20-500; 20-1000; 20-2000; 20- 5000; 20-10000; 50-200; 50-500; 50-1000; 50-2000; 50-5000; 50-10000; 100-500; 100-1000; 100-2000; 100-5000; 100- 10000; 200-1000; 200-2000; 200-5000; 200-10000; 500-2000; 500-5000; 500-10000; 1000-5000; 1000-10000 Hz
Cov lim dej nrawm	2-1000; 5-1000; 10-1000 Hz
Kev soj ntsuam zaus	360 kab FFT; ncov ntawm acceleration Ntau zaus: 5-1000, 50-10000 Hz; Qhov rai: Hann
Kev Qhia Ua Haujlwm (VS11)	Rau kev qhia nyob rau hauv lub tswb pib, ntawm lub pob hauv casing
Relay tso zis	Ntawm cov ntsia hlau terminals hauv lub casing (VS11) los yog ntawm 8 tus pin txuas Binder 711 (VS12) PhotoMOS relay; SPST; 60V / 0.5A (AC / DC); cais hloov hom (tsis muaj / nc) thiab tuav lub sijhawm programmable
Tswb qeeb	0-99 Nws
Tswb Tuav Sijhawm	0-9 Nws
Qhov taw qhia xwm txheej	4 LEDs; ntsuab: OK; liab / ntsuab: ceeb toom; liab: tswb
USB interface	USB 2.0, puv ceev, CDC hom, VS11: ntawm micro USB socket hauv casing VS12: ntawm 8-hauv qhov (socket) Binder 711 nrog Cable VM2x-USB
Fais fab mov	VS11: 5 txog 30 V DC / < 100 mA lossis USB VS12: 5 txog 12 V DC / < 100 mA lossis USB
Ua haujlwm kub	-40-80 ° C
Qib tiv thaiv	IP67
Dimensions, Ø xh (tsis muaj connectors)	50 mm x 52 mm (VS11); 50 hli x 36 hli (VS12)
Qhov hnyav	160 g (VS11); 125g (VS12)

Tsawg Warranty
Metra warrants rau lub sijhawm 24 lub hlis
tias nws cov khoom yuav tsis muaj qhov tsis xws luag hauv cov khoom lossis kev ua haujlwm thiab yuav tsum ua raws li cov lus qhia tam sim no thaum lub sijhawm xa khoom.
Lub sij hawm warranty pib nrog hnub tim ntawm daim ntawv them nqi.
Tus neeg siv khoom yuav tsum muab daim ntawv teev npe ntawm kev muag khoom ua pov thawj.
Lub sijhawm lav yuav xaus tom qab 24 lub hlis.
Kev kho tsis txuas ntxiv lub sijhawm lav.
Qhov kev txwv txwv no tsuas yog muaj qhov tsis xws luag uas tshwm sim los ntawm kev siv ib txwm ua raws li phau ntawv qhia.
Metra lub luag haujlwm nyob rau hauv qhov kev lees paub no tsis siv rau kev kho tsis zoo lossis tsis tsim nyog lossis hloov kho thiab ua haujlwm sab nraud ntawm cov khoom tshwj xeeb.
Kev xa khoom mus rau Metra yuav raug them los ntawm cov neeg siv khoom.
Cov khoom kho lossis hloov pauv yuav raug xa rov qab ntawm Metra tus nqi.

Tshaj Tawm Txog Kev Ua Raws Cai
Raws li EMC Cov Lus Qhia 2014/30/EC thiab
UK Electromagnetic Compatibility Regulations 2016
Khoom siv: Vibration Switches
Hom: VS11 thiab VS12
Nws yog daim ntawv pov thawj no tias cov khoom tau hais los saum toj no ua tau raws li qhov xav tau raws li cov qauv hauv qab no:
DIN / BS EN 61326-1: 2013
DIN / BS EN 61010-1: 2011
DIN 45669-1: 2010
Tus tsim tawm yog lub luag haujlwm rau qhov kev tshaj tawm no
Metra Mess- und Frequenztechnik hauv Radebeul eK
Meißner Str. 58, D-01445 Radebeul tshaj tawm los ntawm

Michael Weber
Radebeul, Kaum Ib Hlis 21, 2022

ROGA Instruments Im Hasenacker 56
56412 Nentershausen
Tel. +49 (0) 6485 – 88 15 803 Fax +49 (0) 6485 – 88 18 373
Email: yog info@roga-instruments.com Internet: https://roga-instruments.com

Cov ntaub ntawv / Cov ntaub ntawv

ROGA Instruments VS11 Vibration Hloov Sensor [ua pdf] Phau ntawv qhia VS11, VS12, VS11 Vibration Hloov Sensor, VS11, Vibration Hloov Sensor, Hloov Sensor, Sensor

Cov ntaub ntawv

• Cov neeg siv phau ntawv