23.01.27Lub Dhyana 401D thiab FL20-BW siv ib daim ntawv ntawm kev tshwm sim ntawm ib qho kev sib cais ntawm optocoupler - ib qho kev siv dav dav siv los cais lub koob yees duab cov khoom siv hluav taws xob los ntawm cov hluav taws xob sab nraud lossis cuam tshuam. Cov kev cai ntawm optocoupler cais tawm qhov sib txawv me ntsis rau cov qauv TTL siv hauv lwm lub koob yees duab.
Lub optocoupler nws tus kheej yog ib qho khoom siv hauv lub xeev muaj xws li lub teeb emitting diode (LED), thiab ib qho photosensitive transistor, uas ua haujlwm zoo li hloov. Thaum lub koob yees duab xav kom tso tawm cov teeb liab tshwm sim, lub teeb me me raug xa los ntawm LED mus rau lub teeb-sensitive transistor, uas tom qab ntawd tso cai rau tam sim no ntws los ntawm nws. Tab sis ob lub voj voog tseem nyob ib leeg ntawm ib leeg, txhais tau hais tias lub koob yees duab tiv thaiv los ntawm kev cuam tshuam hluav taws xob los ntawm cov cuab yeej sab nraud. Ib yam li ntawd, input triggers qhib optocouplers kom dhau lawv cov teeb liab rau hauv lub koob yees duab.
Piv txwvkev teeb tsa rau optocoupler-kev cais tawm triggering circuits. Lub thawv xiav dashed qhia cov khoom siv sab nraud rau lub koob yees duab. Cov kab cim 'TRIGGER OUT' yog qhov Trigger Out tus pin ntawm lub koob yees duab. Qhov no tag nrho Circuit Court yog rov ua dua nyob rau hauv rooj plaub ntawm ntau Trigger Out pins. Qhov voltage qhov chaw VCC2 thiab resistor R3 yuav tsum tau ntxiv los ntawm tus neeg siv.
Tsis zoo li hauv TTL tshwm sim qhov twg lub koob yees duab qhov kev sib txuas ntawm lub koob yees duab tuaj yeem tswj tau qhov hluav taws xob ncaj qha xa mus raws li cov kab hluav taws xob, piv txwv li xa 5V siab teeb liab mus rau lwm lub cuab yeej, optocoupler-kev sib cais circuits ua ntau dua li kev hloov, tsuas yog tswj xyuas seb puas ua tiav Circuit Court los yog tsis. Qhov hluav taws xob hauv qhov hluav taws xob yuav tsum tau teeb tsa (tseem hu ua 'rub') sab nraud los ntawm tus resistor. Thaum kawg los tsim kom tiav Circuit Court lub trigger Circuit Court yuav tsum tau txuas mus rau hauv av - lub koob yees duab muaj ib tug 'Trigger Ground' tus pin qhia nyob rau hauv lub Pin-Out Diagrams seem hauv qab no uas yuav tsum tau txuas nrog hluav taws xob hauv av.
Raws li pom nyob rau hauv daim duab saum toj no, ib tug voltage qhov chaw VCC2 thiab resistor R3 yuav tsum tau ntxiv. Qhov pom zoo qhov hluav taws xob rau yog 5V - 24V, nyob ntawm qhov voltage uas qhov ua rau kev sib txuas ntawm koj lub cuab yeej sab nraud xav tau, tab sis rau feem ntau cov khoom siv no yuav yog 5V. Tus resistor R3 txiav txim siab qhov tam sim no uas ntws hauv Circuit Court, thiab qhov pom zoo kuj yog 1KΩ.
Kev teeb tsa Trigger Out
Thaum lub koob yees duab xav tso tawm cov teeb liab tshwm sim, optocoupler Circuit Court raug kaw thiab tam sim no tuaj yeem ntws, thiab Cov Khoom Siv Sab Nraud yuav sau npe qhov kev hloov pauv ntawm qhov hluav taws xob.
Nco ntsoov tias txhawm rau siv ntau tus pins tawm, koj xav tau cais cov circuits nrog lawv tus kheej qhov hluav taws xob thiab qhov hluav taws xob.
Hauv kev xaus, koj xav tau:
1. Lub Trigger Out tus pin ntawm lub koob yees duab uas koj siv los txuas nrog lub Trigger Hauv qhov chaw nres nkoj ntawm lub cuab yeej sab nraud.
2. Tsis tas li ntawd txuas nyob rau hauv parallel mus rau lub Trigger Out pin kab yuav tsum yog ib tug resistor R3, ces nyob rau hauv series nrog hais tias ib tug voltage qhov chaw VCC2, raws li qhia nyob rau hauv daim duab.
3. Tus nqi ntawm VCC2 yuav tsum tau teem rau qhov yuav tsum tau ua nyob rau hauv voltage ntawm koj ntaus ntawv, feem ntau yog 5V, tab sis ib tug 5V-24V ntau yog txhawb los ntawm lub koob yees duab.
4. Tus nqi ntawm R3 pom zoo yog 1KΩ
5. Lub Trigger Ground tus pin ntawm lub koob yees duab yuav tsum txuas nrog hauv av.
6. Qhov Circuit Court no yuav tsum tau rov ua dua rau txhua qhov kev tawm tus pin siv.
7. Tom qab ntawd koj lub voj voog zoo mus!
Kev teeb tsa Trigger Hauv
Lub teeb rau Trigger In yog zoo ib yam li ntawd rau Trigger Out, txuas lub Trigger Nyob rau hauv kev twb kev txuas ntawm lub koob yees duab rau koj sab nraud ntaus ntawv cov zis thiab ib tug voltage qhov chaw, thiab lub hauv av tus pin rau hauv av. Xyuas kom meej tias cov input voltage los ntawm sab nraud rub-up yog nyob rau hauv qhov ntau 5V-24V.
Cov Kabmob Cable & Pin-out Diagrams
Hauv qab no pom tus pin-tawm daim duab rau FL20BW (sab laug) thiab Dhyana 401D (txoj cai). Cov koob yees duab no siv Hirose breakout cable kom yooj yim nkag mus rau txhua tus pin. Hauv qab no yog cov lus ntawm kev ua haujlwm rau txhua tus pin, uas yog tib yam rau ob lub koob yees duab.
Tus pin daim duab kos rau FL20BW (sab laug) thiab Dhyana 401D (txoj cai). Nco ntsoov qhov chaw ntawm USB thiab lub hwj huam sib txuas kom ntseeg tau tias lub koob yees duab nyob rau hauv qhov tseeb kev taw qhia kom paub meej tus lej pin.
| Pin rau Hirose Connector | Pin npe | Kev piav qhia |
| 1 | TRI_IN | Trigger Nyob rau hauv lub teeb liab los tswj lub koob yees duab tau lub sij hawm |
| 2 | TRI_GND TRI | Hauv av tus pin. Qhov no yuav tsum tau txuas nrog lub hauv av hluav taws xob rau kev ua haujlwm. |
| 3 | NC | Tsis Txuas - tsis muaj haujlwm |
| 4 | TRI_OUT0 | Trigger Out - Exposure Start signals |
| 5 | TRI_OUT1 | Trigger Out – Readout End signals |
| 6 | NC | Tsis Txuas - tsis muaj haujlwm |
Xyuas kom meej tias koj lub Circuit Court triggering yog teem raws li nyob rau hauv 'Introduction to set up triggering…' seem saum toj no, nrog rau qhov voltage qhov, resistor, thiab hauv av cable txuas nrog ib tug hluav taws xob hauv av, thiab koj yuav tsum tau npaj kom teem cov yam xav triggering hom nyob rau hauv software.
Ua rau hauv Hom & Chaw
Thaum lub koob yees duab ua haujlwm nyob rau hauv 'Hardware Trigger' hom, qhov tau txais cov thav ntawv yuav tshwm sim los ntawm cov teeb liab ntawm Trigger In cable.
Muaj ob peb qhov chaw kom ua kom zoo dua thiab xaiv rau koj daim ntawv thov, muaj nyob rau hauv koj lub pob software. Cov screenshot hauv qab no qhia tau hais tias cov chaw no tshwm sim li cas hauv Tucsen's Mosaic software.
Hardware Trigger Setting
Rau FL20BW thiab Dhyana 401D, tsuas yog 'Off' thiab 'Standard' hom ua haujlwm.
Tawm: Nyob rau hauv hom no, lub koob yees duab tsis quav ntsej lwm yam tshwm sim, thiab khiav ntawm kev ceev ntawm lub sij hawm sab hauv.
Txuj: Hauv hom no, txhua tus ncej ntawm lub koob yees duab tau txais yuav xav tau lub teeb liab sab nraud. Qhov chaw 'Exposure' thiab 'Edge' txiav txim siab qhov xwm txheej thiab kev coj tus cwj pwm ntawm cov teeb liab & kev tau txais.
Kev teeb tsa raug
Lub sijhawm ntawm lub sijhawm raug ntawm lub koob yees duab tuaj yeem tswj tau los ntawm software, lossis los ntawm cov khoom siv sab nraud ntawm lub sijhawm ntawm lub teeb liab. Muaj ob qhov chaw rau Kev Tshaj Tawm:
Sijhawm:Lub koob yees duab raug teeb tsa los ntawm software.
Daim duab qhia txog Sijhawm hom kev coj cwj pwm, nrog Rising Edge trigger hom. Qhov pib ntawm txhua qhov raug cuam tshuam yog synchronized nrog qhov nce ntawm ntug ntawm qhov cuam tshuam sab nraud, nrog rau lub sijhawm raug teeb tsa los ntawm software. Cov duab daj sawv cev rau lub koob yees duab raug. 0H, 1H, 2H… sawv cev rau txhua kab kab rov tav lub koob yees duab, nrog ncua sij hawm los ntawm ib kab mus rau lwm qhov vim yog lub rolling shutter ntawm CMOS lub koob yees duab.
Dav: Lub sij hawm ntawm lub teeb liab siab (nyob rau hauv cov ntaub ntawv ntawm nce ntug hom), los yog tsis tshua muaj teeb liab (nyob rau hauv cov ntaub ntawv ntawm ntog ntug hom) yog siv los txiav txim lub sij hawm ntawm lub koob yees duab lub sij hawm raug. Hom no kuj qee zaum hu ua 'Level' lossis 'bulb' Trigger.
Daim duab qhia dav hom kev coj cwj pwm, nrog Rising Edge trigger hom. Qhov pib ntawm txhua qhov kev raug mob yog synchronized nrog qhov nce ntawm ntug ntawm qhov taw tes sab nraud, nrog rau lub sijhawm raug teeb tsa los ntawm lub sijhawm ntawm lub teeb liab siab.
Ntug teeb tsa
Muaj ob txoj hauv kev rau qhov teeb tsa no, nyob ntawm koj qhov kev teeb tsa kho vajtse:
Sawv: Lub koob yees duab nrhiav tau yog tshwm sim los ntawm qhov nce ntawm qhov qis mus rau siab teeb liab.
Poob:Lub koob yees duab nrhiav tau yog tshwm sim los ntawm qhov ntog ntawm lub teeb liab siab mus rau qis.
Ncua sijhawm
Kev ncua tuaj yeem raug ntxiv los ntawm lub sijhawm ntawm qhov ua tau txais mus txog thaum lub koob yees duab pib nws qhov raug. Qhov no tuaj yeem teeb tsa ntawm 0 thiab 10s, thiab tus nqi pib yog 0s.
Daim ntawv ceeb toom ntawm lub sijhawm ua haujlwm: xyuas kom tsis txhob cuam tshuam
Nyob rau hauv txhua hom, lub sij hawm ntev ntawm qhov tshwm sim (muab los ntawm lub sij hawm ntawm lub teeb liab siab ntxiv rau lub teeb liab qis) yuav tsum ntev txaus uas lub koob yees duab yog ib zaug dua npaj kom tau ib daim duab. Txwv tsis pub, cov khoom xa tuaj ua ntej lub koob yees duab npaj kom tau txais dua yuav raug tsis quav ntsej.
Lub sijhawm ntev ntawm lub koob yees duab yuav tsum tau npaj kom tau txais lub teeb liab yog qhov txawv me ntsis ntawm FL-20BW thiab Dhyana 401D.
FL- 20 BWG: Qhov tsawg kawg ncua sij hawm ntawm qhov tshwm sim yog muab los ntawm lub sij hawm raugntxivlub sijhawm nyeem ntawv ncej. Piv txwv li, thaum kawg ntawm qhov raug, lub thav duab yuav tsum tau nyeem tawm ua ntej yuav tau txais ib qho tshiab trigger.
Dhyana 401D: Qhov ncua sij hawm tsawg kawg nkaus ntawm qhov tshwm sim yog muab los ntawm lub sij hawm raug los yog lub sij hawm nyeem ntawv, qhov twg ntau dua. Piv txwv li, kev nrhiav tau ntawm tus ncej tom ntej thiab kev nyeem ntawv ntawm lub thav duab dhau los tuaj yeem sib tshooj hauv lub sijhawm, lub ntsiab lus tuaj yeem tau txais ua ntej qhov kawg ntawm kev nyeem ntawv ntawm tus ncej dhau los.
Lub sij hawm daim duab qhia txog qhov sib txawv tsawg kawg nkaus ntawm qhov ua rau FL20-BW hauv (1) Width exposure mode, thiab (2) Timeed exposure mode, with a Rising Edge trigger. Hauv (1), lub sijhawm ntawm lub teeb liab qis yuav tsum sib npaug los yog ntau dua lub sijhawm nyeem ntawv rau lub koob yees duab. Hauv (2), lub sijhawm ntawm lub teeb liab siab ntxiv rau lub teeb liab qis (piv txwv li lub sijhawm rov ua dua / lub sijhawm ntawm lub teeb liab) yuav tsum ntau dua lub sijhawm raug + lub sijhawm nyeem ntawv.
Trigger Out Hom & Chaw
Thaum koj qhov kev cuam tshuam hluav taws xob tau teeb tsa raws li tau teev tseg hauv 'Setting Up Trigger Out' saum toj no, koj npaj tau teeb tsa lub koob yees duab xa cov cim tsim nyog rau koj daim ntawv thov.
Trigger Out Ports
Lub koob yees duab muaj ob qhov Trigger Out ports, Port1 thiab Port2 txhua tus nrog lawv tus kheej Trigger Out tus pin (TRIG.OUT0 thiab TRIG.OUT1 feem). Txhua tus tuaj yeem ua haujlwm ntawm nws tus kheej thiab txuas nrog cov khoom siv sab nraud.
Trigger Out Hom
Daim duab qhia txog cov nyhuv ntawm qhov sib txawv 'Trigger Out: Kind' Settings, nyob rau hauv rooj plaub no rau Edge: Rising. Lub 'Exposure Start' ua rau siab thaum thawj kab pib nws raug. Readout End trigger mus siab thaum kab kawg kawg nws readout.
Muaj ob txoj kev xaiv rau lub sijhawm twg ntawm lub koob yees duab ua haujlwm qhov kev tso zis yuav tsum qhia:
Pib tawmxa ib qho kev tshwm sim (los ntawm qis mus rau siab nyob rau hauv rooj plaub ntawm 'Rising Edge' ua rau), thaum lub sij hawm uas thawj kab ntawm ib tug ncej pib raug. Qhov dav ntawm lub teeb liab yog txiav txim siab los ntawm qhov 'Dav' teeb tsa.
Readout Endqhia tias thaum kab kawg ntawm lub koob yees duab xaus nws qhov kev nyeem ntawv. Qhov dav ntawm lub teeb liab yog txiav txim siab los ntawm qhov 'Dav' teeb tsa.
Trigger Edge
Qhov no txiav txim siab qhov polarity ntawm lub trigger:
Nce:Lub nce ntug (los ntawm qis mus rau high voltage) yog siv los qhia cov xwm txheej
Poob:Lub ntug ntog (los ntawm qhov siab mus rau qis voltage) yog siv los qhia cov xwm txheej
ncua
Kev ncua ncua sij hawm tuaj yeem muab ntxiv rau hauv lub sijhawm ua haujlwm, ncua tag nrho cov teeb meem tshwm sim los ntawm lub sijhawm teev tseg, ntawm 0 txog 10s. Qhov ncua sij hawm yog teem rau 0s los ntawm lub neej ntawd.
Qhov dav dav
Qhov no txiav txim siab qhov dav ntawm lub teeb liab siv los qhia txog cov xwm txheej. Qhov dav dav yog 5ms, thiab qhov dav tuaj yeem hloov kho ntawm 1μs thiab 10s.
