23/01/27Dhyana 401D da FL20-BW suna amfani da wani nau'i na jawo ta hanyar keɓewar da'irar optocoupler - ƙa'idar masana'antu da ake amfani da ita sosai don keɓance madaidaicin na'urar lantarki ta kyamara daga duk wani tsangwama ko tsangwama na waje. Abubuwan buƙatun keɓaɓɓen keɓaɓɓen da'irori masu jawo optocoupler sun ɗan bambanta da na ma'aunin TTL da ake amfani da su a wasu kyamarori.
Optocoupler kanta wani yanki ne mai ƙarfi wanda ya ƙunshi diode mai haske (LED), da transistor mai ɗaukar hoto, wanda ke aiki kamar sauyawa. Lokacin da kyamara ke son fitar da siginar faɗakarwa, ana aika ɗan ƙaramin haske daga LED zuwa transistor mai saurin haske, wanda zai ba da damar halin yanzu ya gudana ta cikinsa. Amma da'irori biyu sun kasance a ware gaba ɗaya daga juna, ma'ana ana kiyaye kyamarar daga duk wani kutse na lantarki daga na'urar waje. Hakazalika, abubuwan shigar da bayanai suna kunna na'urorin haɗi don ƙaddamar da siginar su cikin kamara.
Misalisaitin fararwa don warewar da'irori masu jan hankali na optocoupler. Akwatin shuɗi mai shuɗi yana nuna kayan aikin waje zuwa kyamara. Layin da aka yiwa alama 'TRIGGER OUT' shine madaidaicin fitilun kyamara. Ana maimaita wannan da'irar gabaɗaya a yanayin filaye masu Trigger Out da yawa. Dole ne mai amfani ya ƙara tushen ƙarfin lantarki VCC2 da resistor R3.
Ba kamar a cikin abubuwan da ke haifar da TTL ba inda haɗin haɗin kyamara zai iya sarrafa wutar lantarki kai tsaye da aka aika tare da kebul na jawo, misali aika sigina mai girma na 5V zuwa na'urar waje, keɓaɓɓen da'irori na optocoupler suna aiki kamar mai canzawa, kawai sarrafa ko an yi cikakken kewaye ko a'a. Dole ne a saita wutar lantarki a waccan da'ira (wanda kuma aka sani da 'jawo sama') a waje ta hanyar resistor. A ƙarshe don ƙirƙirar da'irar cikakke dole ne a haɗa da'irar faɗakarwa zuwa ƙasa - kyamarar tana da fil ɗin 'Trigger Ground' wanda aka nuna a cikin sashin zane-zane na Pin-Out da ke ƙasa wanda dole ne a haɗa shi da ƙasan lantarki.
Kamar yadda aka nuna a hoton da ke sama, dole ne a ƙara tushen ƙarfin lantarki VCC2 da resistor R3. Wutar lantarki da aka ba da shawarar don shine 5V – 24V, ya danganta da ƙarfin lantarkin da mai faɗakarwa dangane da na'urar ku ta waje ke tsammani, kodayake ga yawancin na'urori wannan na iya zama 5V. Resistor R3 yana ƙayyade halin yanzu da ke gudana a cikin kewaye, kuma juriya da aka ba da shawarar shine 1KΩ.
Saitin Ƙarfafawa
Lokacin da kamara ke son fitar da siginar faɗakarwa, za a rufe optocoupler kewaye kuma halin yanzu na iya gudana, kuma Na'urar waje za ta yi rajistar canjin wutar lantarki.
Yi la'akari da cewa don amfani da fitilun fitilun da yawa, kuna buƙatar kewayawa daban-daban tare da tushen ƙarfin wutar lantarki da resistor.
A taƙaice, kuna buƙatar:
1. The Trigger Out fil na kyamarar da kuke amfani da ita don haɗawa da Trigger A tashar jiragen ruwa na na'urar waje.
2. Hakanan an haɗa shi a layi daya da layin Trigger Out dole ne ya zama resistor R3, sannan a jere tare da wannan tushen wutar lantarki VCC2, kamar yadda aka nuna a cikin zane.
3. Ya kamata a saita ƙimar VCC2 zuwa abin da ake buƙata a cikin ƙarfin lantarki na na'urarka, yawanci 5V, kodayake kewayon 5V-24V yana da goyan bayan kyamara.
4. Ana ba da shawarar ƙimar R3 ya zama 1KΩ
5. Dole ne a haɗa fil ɗin Ground na kamara zuwa ƙasa.
6. Ya kamata a maimaita wannan kewaye don kowane fil ɗin da aka yi amfani da shi.
7. Sa'an nan kuma kewayenku yana da kyau a tafi!
Saitin Ƙarfafa Shiga
Saitin don Trigger In yayi daidai da wancan na Trigger Out, yana haɗa Trigger A dangane da kamara zuwa fitowar na'urarka ta waje da tushen wutar lantarki, da fitin ƙasa zuwa ƙasa. Tabbatar cewa ƙarfin shigar da wutar lantarki daga waje yana cikin kewayon 5V-24V.
Ƙarfafa Cable & Fitar da Zane-zane
A ƙasa nemo zane-zane na FL20BW (hagu) da Dhyana 401D (dama). Waɗannan kyamarori suna amfani da kebul na breakout na Hirose don ba da damar sauƙi zuwa kowane fil. A ƙasa wannan akwai tebur na ayyuka na kowane fil, wanda shine iri ɗaya ga kyamarori biyu.
Zane-zane mai jawo fil don FL20BW (hagu) da DHyana 401D (dama). Kula da wurin kebul na USB da masu haɗin wutar lantarki don tabbatar da kyamarar tana cikin daidaitaccen daidaitawa don tantance lambobin fil.
| Fita a kan Hirose Connector | Sunan Pin | Bayani |
| 1 | TRI_IN | Mai kunna sigina don sarrafa lokacin sayan kamara |
| 2 | TRI_GND TRI | fil fil. Dole ne a haɗa wannan zuwa ƙasan wutar lantarki don abubuwan da za su iya yin aiki. |
| 3 | NC | Ba Haɗa - babu aiki |
| 4 | TRI_OUT0 | Fara Fitar - Sigina na Fara fallasa |
| 5 | TRI_OUT1 | Ƙarshe - Ƙarshen sakonnin karantawa |
| 6 | NC | Ba Haɗa - babu aiki |
Tabbatar cewa an saita da'ira mai kunnawa kamar yadda yake cikin 'Gabatarwa don saita kunnawa…' sashe na sama, gami da tushen wutar lantarki, resistor, da kebul na ƙasa da aka haɗa da ƙasan lantarki, kuma yakamata ku kasance cikin shiri don saita hanyoyin faɗakarwa da kuke so a cikin software.
Farawa A Hanyoyi & Saituna
Lokacin da kamara ke aiki a cikin yanayin 'Hardware Trigger', sayan firam ɗin zai kasance ta hanyar sigina a kan Trigger In USB.
Akwai ƴan saitunan don ingantawa da zaɓi don aikace-aikacenku, akwai a cikin fakitin software naku. Hoton da ke ƙasa yana nuna yadda waɗannan saitunan ke bayyana a cikin Tucsen's Mosaic software.
Saitin Ƙarfafa Hardware
Don FL20BW da Dhyana 401D, yanayin 'Kashe' da 'Standard' kawai suna aiki.
Kashe: A cikin wannan yanayin, kyamarar tana yin watsi da abubuwan da ke haifar da motsi na waje, kuma tana gudana cikin cikakken sauri akan lokacin ciki.
Daidaitawa: A wannan yanayin, kowane firam ɗin sayan kamara zai buƙaci siginar faɗakarwa ta waje. Saitunan 'Exposure' da 'Edge' sun ƙayyade yanayi da halayen wannan siginar & saye.
Saitin Bayyanawa
Za'a iya sarrafa tsawon lokacin bayyanar kamara ta hanyar software, ko ta kayan aikin waje ta tsawon lokacin siginar faɗakarwa. Akwai saituna guda biyu don Bayyanawa:
Lokaci:Ana saita fiddawar kamara ta software.
Jadawalin da ke nuna halayen daɗaɗɗen lokaci, tare da Rising Edge yanayin. An daidaita farkon kowace fallasa tare da tashin gefen bugun bugun jini na waje, tare da lokacin bayyanar da software ta saita. Siffofin rawaya suna wakiltar bayyanar kamara. 0H, 1H, 2H… suna wakiltar kowane layin kyamara a kwance, tare da jinkiri daga jere ɗaya zuwa na gaba saboda jujjuyawar kyamarar CMOS.
Nisa: Ana amfani da tsawon lokacin babban sigina (a yanayin tashin hankali), ko ƙananan sigina (a yanayin faɗuwar yanayi) don ƙayyade tsawon lokacin bayyanar kyamara. Wannan yanayin kuma wani lokaci ana kiransa da 'Level' ko 'Bulb' Trigger.
Hoton da ke nuna Halayen Nisa yana haifar da ɗabi'a, tare da Rising Edge yanayin. An daidaita farkon kowace fallasa tare da tashin gefen bugun bugun bugun jini na waje, tare da lokacin da aka saita ta tsawon lokacin babban sigina.
Saitin Edge
Akwai zaɓuɓɓuka biyu don wannan saitin, dangane da saitin kayan aikin ku:
Tashi: Ana haifar da sayan kyamara ta hanyar tashin gefen ƙarami zuwa babban sigina.
Faduwa:Ana haifar da sayan kyamara ta hanyar faɗuwar sigina mai tsayi zuwa ƙasa.
Saitin jinkiri
Ana iya ƙara jinkiri daga lokacin da aka karɓi abin har sai kamara ta fara fallasa. Ana iya saita wannan tsakanin 0 da 10s, kuma ƙimar tsoho ita ce 0s.
Bayanan kula akan lokacin fararwa: Tabbatar cewa ba a rasa abubuwan da ke haifarwa ba
A cikin kowane yanayi, tsawon lokacin tsakanin masu kunnawa (wanda aka bayar ta tsawon lokacin babban sigina da ƙaramar sigina) dole ne ya zama tsayin daka cewa kamara ta sake shirya don samun hoto. In ba haka ba, za a yi watsi da abubuwan da aka aika kafin kyamarar ta shirya don sake samu.
Tsawon lokacin da ake buƙata don kyamarar ta kasance a shirye don karɓar sigina ya ɗan bambanta tsakanin FL-20BW da DHyana 401D.
FL- 20BW: Ana bayar da mafi ƙarancin jinkiri tsakanin masu kunnawa ta lokacin bayyanarwadalokacin karatun firam. Ma'ana, a ƙarshen fallasa, dole ne a karanta firam ɗin kafin a iya karɓar sabon faɗakarwa.
Daga 401D: Ana bayar da mafi ƙarancin jinkiri tsakanin masu jawo ta ko dai lokacin bayyanarwa ko lokacin karanta firam, duk wanda ya fi girma. Ma'ana, sayan firam na gaba da karantawa na firam ɗin da ya gabata na iya haɗuwa cikin lokaci, ma'ana ana iya karɓar faɗakarwa kafin ƙarshen karatun firam ɗin da ya gabata.
Jadawalin lokaci yana nuna ƙaramin tazara tsakanin abubuwan da ke jawo FL20-BW a cikin (1) Yanayin bayyanar nisa, da (2) Yanayin bayyanar lokaci, tare da faɗakarwar Rising Edge. A (1), tsawon lokacin ƙananan sigina dole ne ya zama daidai ko mafi girma fiye da lokacin karantawa na kamara. A cikin (2), tsawon lokacin babban sigina da ƙaramar sigina (watau lokacin maimaita/lokacin siginar) dole ne ya fi lokacin fallasa + lokacin karantawa.
Fitar da Yanayin & Saituna
Da zarar an saita da'irar faɗakarwar ku kamar yadda aka nuna a 'Setting Up Trigger Out' a sama, kun shirya don saita kyamarar don aika abubuwan da suka dace don aikace-aikacenku.
Fara Fitar Tashoshi
Kyamara tana da tashar jiragen ruwa na Trigger Out guda biyu, Port1 da Port2 kowanne tare da nasu fil ɗin Trigger Out (TRIG.OUT0 da TRIG.OUT1 bi da bi). Kowa na iya aiki da kansa kuma a haɗa shi zuwa keɓance na'urorin waje.
Trigger Out Kind
Hoton da ke nuna tasirin daban-daban 'Trigger Out: Kind' Saituna, a wannan yanayin don Edge: Tashi. Mafarkin 'Exposure Start' yana ƙaruwa lokacin da layin farko ya fara bayyanarsa. Ƙarshen Ƙarshen karantawa yana ƙaruwa lokacin da layin ƙarshe ya ƙare karatunsa.
Akwai zaɓuɓɓuka guda biyu don wane lokaci na aikin kamara da fitarwar da ya kamata ya nuna:
Bayyana Farayana aika faɗakarwa (daga ƙasa zuwa babba a cikin yanayin 'Rising Edge' masu jawo), a daidai lokacin da layin farko na firam ya fara fallasa. An ƙayyade faɗin siginar faɗakarwa ta hanyar saitin 'Nisa'.
Ƙarshen Karatuyana nuna lokacin da layin ƙarshe na kamara ya ƙare karatunsa. An ƙayyade faɗin siginar faɗakarwa ta hanyar saitin 'Nisa'.
Ƙarfafa Edge
Wannan yana ƙayyade polarity na fararwa:
Tashi:Ana amfani da gefen tashi (daga ƙananan zuwa babban ƙarfin lantarki) don nuna abubuwan da suka faru
Faduwa:Ana amfani da gefen faɗuwa (daga babba zuwa ƙananan ƙarfin wuta) don nuna abubuwan da suka faru
Jinkiri
Za'a iya ƙara jinkirin da za'a iya daidaitawa a cikin lokacin faɗakarwa, jinkirta duk siginonin abubuwan da suka faru na Trigger Out ta lokacin da aka ƙayyade, daga 0 zuwa 10s. An saita jinkiri zuwa 0s ta tsohuwa.
Nisa mai jawo
Wannan yana ƙayyade faɗin siginar faɗakar da ake amfani da ita don nuna abubuwan da suka faru. Tsohuwar nisa shine 5ms, kuma ana iya daidaita faɗin tsakanin 1μs da 10s.
