{"id":471,"date":"2021-09-13T11:23:16","date_gmt":"2021-09-13T11:23:16","guid":{"rendered":"https:\/\/fersahotomasyon.com\/?page_id=471"},"modified":"2025-05-14T08:42:13","modified_gmt":"2025-05-14T08:42:13","slug":"blog","status":"publish","type":"page","link":"https:\/\/fersahotomasyon.com.tr\/?page_id=471","title":{"rendered":"BLOG"},"content":{"rendered":"\t\t
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Sens\u00f6r Nedir? Ne Demek? Ne \u0130\u015fe Yarar? G\u00f6revi<\/strong><\/span><\/h2>

Robot projemizde \u0131\u015f\u0131k, s\u0131cakl\u0131k, mesafe gibi fiziksel b\u00fcy\u00fckl\u00fckleri elektrik sinyallerine d\u00f6n\u00fc\u015ft\u00fcrmek ve bu bilgileri i\u015fleyecek karar mekanizmalar\u0131 kurabilmek i\u00e7in sens\u00f6rleri kullan\u0131r\u0131z.<\/p>

Sens\u00f6r Teknolojisi Nedir?<\/strong><\/span><\/h2>

Sens\u00f6r veya sens\u00f6rlerin birle\u015ftirilmesiyle \u00e7e\u015fitli otomasyonlar ve ak\u0131ll\u0131 projeler ger\u00e7ekle\u015ftirilmektedir. G\u00fcn\u00fcm\u00fcz\u00fcn pop\u00fcler bir konusu olan\u00a0End\u00fcstri 4.0<\/a>\u00a0<\/strong>geli\u015fmi\u015f sens\u00f6r teknolojileriyle ortaya \u00e7\u0131km\u0131\u015f ve geli\u015fmeye devam etmektedir. Dolay\u0131s\u0131yla,\u00a0sens\u00f6r teknolojileri<\/strong>\u00a0\u00e7o\u011fu projenin geli\u015fimine \u00f6nayak olan ve her g\u00fcn daha \u00e7ok \u00f6nem kazanan bir kavramd\u0131r.<\/p>

Sens\u00f6r teknoljilerinin \u00e7o\u011falmas\u0131 ve geli\u015fmesi hayat\u0131n her noktas\u0131n\u0131 bir \u015fekilde etkiledi\u011finden ciddi \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>

Sens\u00f6r Nas\u0131l \u00c7al\u0131\u015f\u0131r? \u00c7al\u0131\u015fma Prensibi Nedir?<\/strong><\/span><\/h3>

Sens\u00f6r \u00e7e\u015fitlerinin detay\u0131na girmeden \u00f6nce bu sens\u00f6rlerin temel olarak iki tipte var olduklar\u0131n\u0131 bilmemiz gerek: analog ve dijital.<\/p>

Analog sens\u00f6rler<\/strong>, alg\u0131lad\u0131klar\u0131 fiziksel b\u00fcy\u00fckl\u00fc\u011fe orant\u0131l\u0131 olarak de\u011fi\u015fen bir ak\u0131m veya gerilim \u00e7\u0131kt\u0131s\u0131 verirler. Bu tipte sens\u00f6rleri dijital \u00e7al\u0131\u015fan kontrol kartlar\u0131m\u0131za ba\u011flayabilmek i\u00e7in analog-dijital \u00e7eviriciler (ADC) kullan\u0131l\u0131r.<\/p>

Analog-dijital \u00e7eviriciler mikrokontrolc\u00fcler i\u00e7erisinde de yer alaca\u011f\u0131 gibi (\u00f6rn. Arduino analog giri\u015f pinleri), say\u0131s\u0131n\u0131n veya hassasiyetinin yetmemesi durumunda harici olarak da ba\u011flanabilirler.<\/p>

Pop\u00fcler bir tek kart bilgisayar olan Raspberry Pi ise maalesef dahili olarak analog-dijital \u00e7eviriciye sahip de\u011fildir. Dolay\u0131s\u0131yla analog giri\u015fe ihtiya\u00e7 duydu\u011fumuzda harici bir entegre kullanmam\u0131z gerekecektir.<\/p>

Dijital sens\u00f6rler<\/strong>\u00a0ise genellikle I2C, SPI, OneWire vb bir haberle\u015fme protokol\u00fc arac\u0131l\u0131\u011f\u0131yla bilgisayar (mikroi\u015flemci) ile konu\u015furlar.<\/span><\/p>

Bunun yan\u0131 s\u0131ra, \u00e7o\u011fu analog sens\u00f6r bir op-amp ile birlikte kullan\u0131larak belirli bir seviye \u00fczerinde lojik 1 (genellikle 5V veya 3.3V) \u00e7\u0131k\u0131\u015f\u0131 verecek \u015fekilde kullan\u0131labilir. B\u00f6ylelikle analog \u00e7\u0131k\u0131\u015fl\u0131 sens\u00f6rler, Raspberry Pi gibi ADC\u2019ye sahip olmayan kontrolc\u00fcler ile kullan\u0131labilir.<\/p>

\"Sens\u00f6rlerin<\/a>
Sens\u00f6rlerin \u00c7al\u0131\u015fma Prensibi<\/figcaption><\/figure>

Ayr\u0131ca sens\u00f6rler\u00a0aktif sens\u00f6r\u00a0<\/strong>ve\u00a0pasif sens\u00f6r\u00a0<\/strong>olarak da ikiye ayr\u0131l\u0131rlar. Aktif sens\u00f6rler, kendi sinyallerini \u00fcrettikten sonra bu sinyalin ortamdaki de\u011fi\u015fimini kontrol ederek alg\u0131lama i\u015flemini ger\u00e7ekle\u015ftirirler.<\/p>

Ultrasonik ve k\u0131z\u0131l\u00f6tesi sens\u00f6rler bu gruba dahildir. Pasif sens\u00f6rler ise ortamdan ald\u0131klar\u0131 sinyalleri kontrol ederek alg\u0131lama i\u015flemini ger\u00e7ekle\u015ftirirler.<\/p>

LDR (\u0131\u015f\u0131\u011fa duyarl\u0131 diren\u00e7), NTC\/PTC (\u0131s\u0131ya duyarl\u0131 diren\u00e7ler), fototransist\u00f6r (\u0131\u015f\u0131\u011fa duyarl\u0131 transist\u00f6r) bu gruba \u00f6rnek olarak g\u00f6sterilebilirler.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Sens\u00f6r \u00c7e\u015fitleri:\u00a0<\/span><\/span><\/h2>

Bas\u0131n\u00e7 kontrol sens\u00f6rleri;<\/b>\u00a0Bu b\u00f6l\u00fcmde, Hava bas\u0131nc\u0131,Su bas\u0131nc\u0131,hidrolik ve buhar bas\u0131n\u00e7 sens\u00f6rleri ile vakum sens\u00f6r gruplar\u0131n\u0131 sergiledi\u011fimiz ve bunlar\u0131n \u00f6l\u00e7\u00fcmlerini yapabilen cihazlar\u0131 bulabilirsiniz.<\/p>

Enkoderler;<\/b>\u00a0Rotary enkoderler ve enkoderler ile birlikde sanayide kullan\u0131lan aksesuarlar ve enkoderleri okuyabilen kontrol cihazlar\u0131.<\/p>

\u0130nd\u00fcktif Sens\u00f6rler;<\/b>\u00a0NPN,PNP ba\u015fta olmak \u00fczere kablolu,konnekt\u00f6rl\u00fc,k\u00fc\u00e7\u00fck yada b\u00fcy\u00fck alg\u0131lama mesafesi ile oldukca \u00e7ok \u00e7e\u015fitlere sahip s\u0131n\u0131fland\u0131r\u0131lm\u0131\u015f \u015fekilde sergilenen ind\u00fcktif sens\u00f6r ve konnekt\u00f6r \u00e7e\u015fitleri.<\/p>

Is\u0131 sens\u00f6rleri;<\/b>\u00a0S\u0131cakl\u0131k kontrol ve g\u00f6stergeleri yapan cihazlar i\u00e7in gerekli olan PT100,PT1000,bir\u00e7ok ebata termokupl \u00e7e\u015fitleri,NTC ve PTC \u00e7e\u015ftleri ile bunlara ait ya \u00fcr\u00fcnler.<\/p>

Kapasitif Sens\u00f6rler;<\/b>\u00a0Temel i\u015flevlere sahip Kapasitif sens\u00f6r \u00e7e\u015fitleri burada<\/p>

Lineer Cetveller;<\/b>\u00a05cm ,le 100cm aras\u0131nda pozisyon kontrol\u00fc yapmaa y\u00f6nelik lineer ctveller ve bunlar\u0131 destekleyen okuma ve g\u00f6sterge cihazlar\u0131.<\/p>

Potansiyometreler;<\/b>\u00a0A\u011f\u0131rl\u0131kl\u0131 olarak h\u0131z kontrol cihazlar\u0131n\u0131n ayarlanmas\u0131 i\u00e7in kullan\u0131lan 22mm potansiyometreler. Kontrol cihazlar\u0131 b\u00f6l\u00fcm\u00fcnde dijital potansiyometrelerimizde mevcuttur.<\/p>

Fotoelektrik Sens\u00f6rler;<\/b>\u00a0Cisimden yans\u0131mal\u0131,reflekt\u00f6rl\u00fc,al\u0131c\u0131-verici tak\u0131mlar ve renk fotoselleri gibi sens\u00f6r modelleri bulunan b\u00f6l\u00fcmlerdir.<\/p>

<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0<\/p>

<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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End\u00fcktif sens\u00f6r nedir ?<\/h2>

End\u00fcktif (proximity)<\/b>\u00a0yakla\u015f\u0131m sens\u00f6rleri metal nesnelerin temass\u0131z tespiti i\u00e7in kullan\u0131l\u0131r.\u00a0\u00c7al\u0131\u015fma prensibi<\/b>, alg\u0131lama y\u00fczeyinin yak\u0131n \u00e7evresinde bir elektromanyetik alan olu\u015fturan bir bobin ve osilat\u00f6re dayanmaktad\u0131r. \u00c7al\u0131\u015fma alan\u0131nda metal bir nesnenin bulunmas\u0131, sal\u0131n\u0131m genli\u011finin azalmas\u0131na neden olur. Bu sal\u0131n\u0131m\u0131n y\u00fckselmesi veya d\u00fc\u015fmesi, sens\u00f6r\u00fcn \u00e7\u0131k\u0131\u015f\u0131n\u0131 de\u011fi\u015ftiren bir e\u015fik devresi ile tan\u0131mlan\u0131r. Sens\u00f6r\u00fcn \u00e7al\u0131\u015fma mesafesi, metalin \u015fekline ve boyutuna ba\u011fl\u0131d\u0131r ve kesinlikle\u00a0malzemenin do\u011fas\u0131na<\/u>\u00a0ba\u011fl\u0131d\u0131r.<\/p>

End\u00fcktif sens\u00f6rler\u00a0Faraday Yasas\u0131<\/a>\u00a0temelinde \u00e7al\u0131\u015f\u0131r. Faraday Yasas\u0131n\u0131 belirtmenin bir yolu, bir tel bobinindeki manyetik ak\u0131daki bir de\u011fi\u015fikli\u011fin, yak\u0131ndaki bir\u00a0bobinde bir gerilime neden olaca\u011f\u0131d\u0131r.\u00a0 Sens\u00f6r\u00fcn kendisi, bir osilat\u00f6r devresi ve elektromanyetik bir alan\u0131n yay\u0131ld\u0131\u011f\u0131 ve yak\u0131ndaki herhangi bir metal nesnede girdap ak\u0131mlar\u0131n\u0131 ind\u00fckledi\u011fi bir bobin i\u00e7erir. Girdap ak\u0131mlar\u0131 amplifikat\u00f6rden sal\u0131n\u0131mlar\u0131 azaltma etkisine sahiptir. Sal\u0131n\u0131mlardaki bu azalma metalik bir nesnenin varl\u0131\u011f\u0131 olarak kaydedilir.<\/p>

End\u00fcktif yakla\u015f\u0131m sens\u00f6rleri yaln\u0131zca metal hedefleri alg\u0131layabilir.
Plastik, ah\u015fap, ka\u011f\u0131t ve seramik gibi metal olmayan hedefleri tespit etmezler.\u00a0Fotoelektrik sens\u00f6rlerin\u00a0aksine , bu end\u00fcktif bir yak\u0131nl\u0131k sens\u00f6r\u00fcn\u00fcn opak plastik yoluyla\u00a0metal bir nesneyi alg\u0131lamas\u0131n\u0131<\/b>\u00a0sa\u011flar.<\/p>

End\u00fcktif yak\u0131nl\u0131k sens\u00f6rleri bir\u00e7ok otomasyon uygulamas\u0131nda yayg\u0131n olarak kullan\u0131l\u0131r. Nesnelerin varl\u0131\u011f\u0131n\u0131 alg\u0131lamak i\u00e7in kullan\u0131l\u0131rlar ve alg\u0131lanan hedef veya nesne ile fiziksel temas gerektirmezler, bu y\u00fczden genellikle temass\u0131z sens\u00f6rler olarak adland\u0131r\u0131l\u0131rlar. Ortak yak\u0131nl\u0131k sens\u00f6r\u00fc t\u00fcrleri aras\u0131nda\u00a0fotoelektrik,\u00a0\u00a0kapasitif\u00a0ve\u00a0end\u00fcktif\u00a0(proximity)\u00a0 sens\u00f6rler\u00a0bulunur.<\/p>

\u00d6zellikleri:
Temass\u0131z alg\u0131lama<\/b><\/span>
Bir limit anahtar\u0131ndan farkl\u0131 olarak, herhangi bir mekanik temas olmaks\u0131z\u0131n bir nesne alg\u0131lar. Bu nedenle, alg\u0131lama nesnesinin veya sens\u00f6r\u00fcn temastan zarar g\u00f6rmesi olas\u0131l\u0131\u011f\u0131 yoktur.
Zorlu ortamlarda kullan\u0131labilir<\/b><\/span>
Su, vb. \u0130le temas edebilece\u011fi olumsuz ko\u015fullarda bile g\u00fcvenilir alg\u0131lama m\u00fcmk\u00fcnd\u00fcr. Sens\u00f6rlerin \u00e7o\u011fu IP67 korumas\u0131na ve ya\u011fa dayan\u0131kl\u0131 yap\u0131ya sahiptir.
Y\u00fcksek hassasiyet<\/span><\/b>
\u00c7ok y\u00fcksek tekrarlanabilirli\u011fi nedeniyle hassas nesne konumland\u0131rma i\u00e7in uygundur.
K\u0131sa tepki s\u00fcresi<\/span><\/b>
Y\u00fcksek tepki frekans\u0131 (maks. 3,3 kHz) nedeniyle\u00a0h\u0131zl\u0131 hareket eden nesnelerde\u00a0bile kararl\u0131 alg\u0131lama m\u00fcmk\u00fcnd\u00fcr.
Uzun \u00e7al\u0131\u015fma performans\u0131<\/span><\/b>
Temass\u0131z \u00e7\u0131k\u0131\u015f\u0131 nedeniyle uzun \u00f6m\u00fcrl\u00fcd\u00fcr ve neredeyse hi\u00e7 bak\u0131m gerektirmez.<\/p>

\u00a0Bununla birlikte, a\u015fa\u011f\u0131daki\u00a0dezavantajlara da sahiptir.<\/b>
Sadece metal alg\u0131lama<\/u>
Ak\u0131m\u0131n akmad\u0131\u011f\u0131 metal olmayanlar\u0131 tespit edemez, \u00e7\u00fcnk\u00fc alg\u0131lama ind\u00fcklenen ak\u0131ma ba\u011fl\u0131 termal kay\u0131plara dayan\u0131r.
(Ayr\u0131ca, ak\u0131m ak\u0131\u015f\u0131na izin vermeyen ferrit gibi metaller tespit edilemez.)<\/p>

K\u0131sa alg\u0131lama mesafesi<\/span>
Alg\u0131lama aral\u0131\u011f\u0131n\u0131 iyile\u015ftirmek i\u00e7in, alg\u0131lama bobini boyutunu artt\u0131rmak, blendajs\u0131z sens\u00f6r kafalar\u0131 kullanmak gibi \u00e7e\u015fitli y\u00f6ntemler olmas\u0131na ra\u011fmen, alg\u0131lama aral\u0131\u011f\u0131 hala fotoelektrik sens\u00f6rlerinkinden daha k\u00fc\u00e7\u00fckt\u00fcr.<\/p>

2 telli DC:<\/b><\/span>\u00a0Bu sens\u00f6rler, seri olarak ba\u011flanan bir y\u00fck\u00fc y\u00f6nlendirebilen NO veya NC fonksiyonlu bir \u00e7\u0131k\u0131\u015f amplifikat\u00f6r\u00fc i\u00e7erir. Bu sistemde, a\u00e7\u0131k durumda olsa bile y\u00fckten bir art\u0131k ak\u0131m akar ve kapal\u0131 durumda oldu\u011funda sens\u00f6re bir voltaj d\u00fc\u015f\u00fc\u015f\u00fc meydana gelir. Bu sens\u00f6rlerle kullan\u0131lacak r\u00f6leleri veya elektronik kontrolleri se\u00e7erken bu k\u0131s\u0131tlamalara dikkat edilmelidir. PLC \u00fcniteleri ile uyumludur.<\/p>

3 ve 4 telli DC:<\/b><\/span>\u00a0Bu g\u00fc\u00e7lendirilmi\u015f DC sens\u00f6rleri bir \u00e7\u0131k\u0131\u015f amplifikat\u00f6r\u00fc i\u00e7erir. NO veya NC fonksiyonlu 3 tel ve NPN ve PNP tiplerinde tamamlay\u0131c\u0131 \u00e7\u0131k\u0131\u015fl\u0131 (NO + NC) 4 tel olarak tedarik edilirler. Standart versiyon, k\u0131sa devreye kar\u015f\u0131 korumal\u0131, polariteye ve end\u00fcktif y\u00fcklerin ba\u011flant\u0131s\u0131n\u0131n kesilmesiyle olu\u015fturulan piklere kar\u015f\u0131 korumal\u0131d\u0131r.\u00a0PLC \u00dcniteleri ile uyumludur<\/b><\/p>

Analog ve Do\u011frusal:<\/span><\/b>\u00a0Bu 3 telli g\u00fc\u00e7lendirilmi\u015f sens\u00f6rlerde ak\u0131m veya voltaj \u00e7\u0131k\u0131\u015f\u0131, sens\u00f6r ile metalik bir nesne aras\u0131ndaki mesafeye orant\u0131l\u0131 olarak de\u011fi\u015fir.<\/p>

NAMUR:<\/b>\u00a0Bunlar, metalik bir nesnenin varl\u0131\u011f\u0131nda ak\u0131m\u0131 de\u011fi\u015fen 2 telli g\u00fc\u00e7lendirilmemi\u015f sens\u00f6rlerdir. Bu sens\u00f6rler ve geleneksel sens\u00f6rler aras\u0131ndaki fark, amplifikat\u00f6r tetikleme a\u015famalar\u0131n\u0131n olmamas\u0131d\u0131r.\u00a0Ak\u0131m ve voltaj s\u0131n\u0131rlar\u0131<\/b>, onayl\u0131 amplifikat\u00f6rler ile kullan\u0131ld\u0131\u011f\u0131nda tehlikeli (patlay\u0131c\u0131) ortamlarda kullan\u0131lmalar\u0131na izin verir. Standart uygulamalarda (normal atmosferlerde) sens\u00f6r, ALNC, ALN2 veya benzeri amplifikat\u00f6r \u00fcniteleri ile kullan\u0131lmal\u0131d\u0131r .<\/p>

AC Voltaj:<\/b><\/span><\/p>

2 telli AC:<\/b><\/span>\u00a0Bunlar,\u00a0trist\u00f6r \u00e7\u0131k\u0131\u015f<\/u>\u00a0amplifikat\u00f6r\u00fc i\u00e7eren iki telli sens\u00f6rlerdir. Bu sistemde, a\u00e7\u0131k durumda olsa bile y\u00fckten bir art\u0131k ak\u0131m akar ve kapal\u0131 durumda oldu\u011funda sens\u00f6re\u00a0bir voltaj d\u00fc\u015f\u00fc\u015f\u00fc<\/u>\u00a0meydana gelir. Bu sens\u00f6rlerle kullan\u0131lacak d\u00fc\u015f\u00fck t\u00fcketim r\u00f6leleri veya y\u00fcksek empedansl\u0131 elektronik kontroller se\u00e7ilirken minimum anahtarlama ak\u0131m\u0131na, rezid\u00fcel ak\u0131m ve voltaj d\u00fc\u015f\u00fc\u015f\u00fcne dikkat edilmelidir.\u00a0PLC \u00dcniteleri<\/a>\u00a0ile uyumludur<\/p>

Tan\u0131mlar:<\/p>

NO (normalde a\u00e7\u0131k):<\/b>\u00a0Bir akt\u00fcat\u00f6r bulunmad\u0131\u011f\u0131nda ak\u0131m ak\u0131\u015f\u0131n\u0131 engelleyen ve bir akt\u00fcat\u00f6r mevcut oldu\u011funda ak\u0131m ak\u0131\u015f\u0131na izin veren kapanan bir anahtar \u00e7\u0131k\u0131\u015f\u0131.<\/p>

NC (normalde kapal\u0131):<\/b>\u00a0Akt\u00fcat\u00f6r bulunmad\u0131\u011f\u0131nda ak\u0131m ak\u0131\u015f\u0131na izin veren ve bir akt\u00fcat\u00f6r mevcut oldu\u011funda ak\u0131m ak\u0131\u015f\u0131n\u0131 engelleyen bir anahtar \u00e7\u0131k\u0131\u015f\u0131.<\/p>

NPN \u00c7\u0131k\u0131\u015f\u0131:<\/b>\u00a0Ortak veya negatif voltaj\u0131 y\u00fcke ge\u00e7iren transist\u00f6r \u00e7\u0131k\u0131\u015f\u0131. Y\u00fck, pozitif besleme ve \u00e7\u0131k\u0131\u015f aras\u0131nda ba\u011flan\u0131r. Anahtar \u00e7\u0131k\u0131\u015f\u0131 a\u00e7\u0131kken ak\u0131m y\u00fckten \u00e7\u0131k\u0131\u015ftan topra\u011fa akar. Ak\u0131m azalmas\u0131 veya negatif anahtarlama olarak da bilinir.<\/p>

PNP \u00c7\u0131k\u0131\u015f\u0131:<\/b>\u00a0Pozitif voltaj\u0131 y\u00fcke ge\u00e7iren transist\u00f6r \u00e7\u0131k\u0131\u015f\u0131. Y\u00fck, \u00e7\u0131k\u0131\u015f ile ortak aras\u0131nda ba\u011flan\u0131r. Anahtar \u00e7\u0131k\u0131\u015f\u0131 a\u00e7\u0131kken ak\u0131m cihaz\u0131n \u00e7\u0131k\u0131\u015f\u0131ndan y\u00fcke kadar topraktan akar. Ak\u0131m kayna\u011f\u0131 veya pozitif anahtarlama olarak da bilinir.<\/p>

\u00c7al\u0131\u015fma Mesafesi (Sn):<\/b>\u00a0Sens\u00f6rden, yan taraf\u0131 = 1 mm kal\u0131nl\u0131\u011f\u0131nda ve sens\u00f6r y\u00fcz\u00fcn\u00fcn \u00e7ap\u0131ndaki bir de\u011fi\u015fikli\u011fi tetikleyecek kare bir Demir par\u00e7as\u0131na (Fe 37) maksimum mesafe. Mesafe di\u011fer malzemeler ve \u015fekiller i\u00e7in azalacakt\u0131r. Testler 20 voltageC de sabit voltaj beslemesi ile yap\u0131l\u0131r. Bu mesafe \u00b1% 10 imalat tolerans\u0131 i\u00e7erir.<\/p>

G\u00fc\u00e7 Kayna\u011f\u0131:<\/b>\u00a0Sens\u00f6r\u00fcn \u00e7al\u0131\u015faca\u011f\u0131 besleme voltaj\u0131 aral\u0131\u011f\u0131.<\/p>

Maksimum Anahtarlama Ak\u0131m\u0131:<\/b>\u00a0Sens\u00f6re zarar vermeden sens\u00f6rden akmas\u0131na izin verilen s\u00fcrekli ak\u0131m miktar\u0131. Maksimum de\u011fer olarak verilir.
Min Anahtarlama Ak\u0131m\u0131:<\/b>\u00a0\u00c7al\u0131\u015fmay\u0131 garanti etmek i\u00e7in sens\u00f6rden akmas\u0131 gereken minimum ak\u0131m de\u011feridir.
Maksimum Tepe Ak\u0131m\u0131:<\/b>\u00a0Maksimum tepe ak\u0131m\u0131, sens\u00f6r\u00fcn s\u0131n\u0131rl\u0131 bir s\u00fcre i\u00e7inde ta\u015f\u0131yabilece\u011fi maksimum ak\u0131m de\u011ferini g\u00f6sterir.
Art\u0131k Ak\u0131m:\u00a0<\/b>A\u00e7\u0131k durumdayken sens\u00f6rden akan ak\u0131m.
G\u00fc\u00e7 Tahliyesi:<\/b>\u00a0Bir sens\u00f6r\u00fc \u00e7al\u0131\u015ft\u0131rmak i\u00e7in gereken ak\u0131m miktar\u0131.
Voltaj D\u00fc\u015f\u00fc\u015f\u00fc:<\/b>\u00a0Maksimum y\u00fck\u00fc s\u00fcrerken bir sens\u00f6rdeki voltaj d\u00fc\u015f\u00fc\u015f\u00fc.
K\u0131sa Devre Korumas\u0131:<\/b>\u00a0Y\u00fck k\u0131sal\u0131rsa sens\u00f6r\u00fcn zarar g\u00f6rmesine kar\u015f\u0131 koruma.
\u00c7al\u0131\u015fma Frekans\u0131:<\/b>\u00a0Cihaz\u0131n bir saniyede alabilece\u011fi maksimum a\u00e7ma \/ kapama \u00e7evrimi say\u0131s\u0131. EN 50010’a g\u00f6re, bu parametre \u015eek. 3’te g\u00f6sterilen dinamik y\u00f6ntemle \u00f6l\u00e7\u00fcl\u00fcr. 1 sens\u00f6r (a) ve (b) konumlar\u0131ndayken. S, \u00e7al\u0131\u015fma mesafesidir ve m, sens\u00f6r\u00fcn \u00e7ap\u0131d\u0131r.
Tekrarlanabilirlik (% Sn):<\/b>\u00a08 saatlik bir s\u00fcrede \u00f6l\u00e7\u00fclen herhangi bir \u00e7al\u0131\u015fma mesafesi de\u011feri aras\u0131ndaki fark 15 ila 30\u00baC ve <=% 5 sapmal\u0131 bir besleme voltaj\u0131d\u0131r.
Histerezis (% Sn):<\/b>\u00a0Akt\u00fcat\u00f6r yakla\u015f\u0131m\u0131n\u0131n “a\u00e7ma” noktas\u0131 ile akt\u00fcat\u00f6r geri \u00e7ekilmesinin “kapanma” noktas\u0131 aras\u0131ndaki mesafe. Bu mesafe yanl\u0131\u015f tetiklemeyi azalt\u0131r. De\u011feri, \u00e7al\u0131\u015fma mesafesinin veya mesafenin y\u00fczdesi olarak verilir. Bkz.\u015eEKIL 3
G\u00f6mme Montaj:<\/b>\u00a0G\u00f6mme montaj modellerinin yan yana montaj\u0131 i\u00e7in bkz. \u015eekil 4a. S\u0131va alt\u0131 montajl\u0131 modeller, \u015eekil 4b’ye g\u00f6re metale g\u00f6m\u00fclebilir. yan yana i\u00e7in bkz. \u015fek. 4c. Sn = \u00e7al\u0131\u015fma mesafesi.
Koruma Derecesi:<\/b>\u00a0IEC’ye (Uluslararas\u0131 Elektroteknik Komisyonu) g\u00f6re koruma s\u0131n\u0131f\u0131 a\u015fa\u011f\u0131daki gibidir:
IP 65: Toz ge\u00e7irmez. Su jetlerine kar\u015f\u0131 koruma.
IP 67: Toz ge\u00e7irmez. Dald\u0131rma etkilerine kar\u015f\u0131 koruma<\/p>

Kapasitif Sens\u00f6rler<\/h2>

<\/p><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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<\/b><\/p>

\u00a0\u00a0 Bas\u0131n\u00e7 sens\u00f6r\u00fc nedir?<\/b>
\u00a0\u00a0 Bas\u0131n\u00e7 sens\u00f6r\u00fc, gaz veya s\u0131v\u0131lardaki bas\u0131nc\u0131 \u00f6l\u00e7ebilen bir cihaz veya cihazlard\u0131r. Bir bas\u0131n\u00e7 sens\u00f6r\u00fc, uygulanan bas\u0131nc\u0131 belirleyebilen\u00a0bas\u0131nca duyarl\u0131<\/u>\u00a0bir elemandan ve bilgiyi bir \u00e7\u0131k\u0131\u015f sinyaline d\u00f6n\u00fc\u015ft\u00fcren bile\u015fenlerden olu\u015fur. Bir bas\u0131n\u00e7 sens\u00f6r\u00fc, uygulanan bas\u0131nc\u0131n \u00f6l\u00e7\u00fclmesine dayal\u0131 bir sinyal \u00fcretecektir. Bu sinyal tipi\u00a0analog<\/b>\u00a0yada dijital olabilir.<\/p>

\u00a0\u00a0 Bas\u0131n\u00e7 sens\u00f6rleri 2 ayr\u0131 gruba ayr\u0131l\u0131r.<\/b><\/p>

\u00a0\u00a0 1-\u00a0<\/b><\/span>Bas\u0131n\u00e7 Transmitterleri :<\/b><\/span>\u00a0Sens\u00f6re uygulanan fiziksel bas\u0131nc\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fc, bas\u0131n\u00e7 i\u00e7in nicel\u00a0(g\u00f6reli analog)<\/b>\u00a0bir de\u011fer olu\u015fturmak i\u00e7in kullan\u0131labilecek bir \u00e7\u0131k\u0131\u015f sinyaline \u00e7eviren aletler veya cihazlard\u0131r. Benzer \u015fekilde \u00e7al\u0131\u015fan ancak bas\u0131n\u00e7 ve bir \u00e7\u0131k\u0131\u015f sinyali aras\u0131nda \u00e7eviri yapmak i\u00e7in farkl\u0131 temel teknolojilere dayanan bir\u00e7ok farkl\u0131 bas\u0131n\u00e7 sens\u00f6r\u00fc\u00a0t\u00fcr\u00fc vard\u0131r. End\u00fcstride genel kullan\u0131lan\u00a0bas\u0131n\u00e7 transmitterleri<\/u>\u00a0imalata ba\u011fl olarak;\u00a00-5v,0-10v,0-20mA,4-20mA\u00a0gibi sinyal tipleri ile okuyucu cihazlara ya da kontrol \u00fcnitelerine bilgi veren sens\u00f6rlerden olu\u015fmaktad\u0131r.<\/p>

\u00a0\u00a0 2-\u00a0<\/b><\/span><\/b>Bas\u0131n\u00e7 anahtarlar\u0131:<\/b><\/span>\u00a0Bas\u0131n\u00e7 seviyesini dijital \u00e7\u0131k\u0131\u015f yoluyla ger\u00e7ek sistem bas\u0131nc\u0131 hakk\u0131nda geri bildirim sa\u011flar. Bas\u0131n\u00e7 anahtarlar\u0131 genellikle bas\u0131n\u00e7 transmitterlerinden\u00a0daha ucuzdurlar<\/b>, Ancak daha sa\u011flam ve daha g\u00fc\u00e7l\u00fcd\u00fcr. Bas\u0131n\u00e7 transd\u00fcserleri zorlu \u00e7evre ko\u015fullar\u0131na dayanabilir ve suya ve kire kar\u015f\u0131 dayan\u0131kl\u0131d\u0131r.\u00a0Bas\u0131n\u00e7 transd\u00fcserleri\u00a0<\/u>daha hassas uygulamalar ve y\u00fcksek mukavemet sunan daha end\u00fcstriyel uygulamalar ve ara\u00e7 uygulamalar\u0131 i\u00e7in uygundur. (ma\u011fazam\u0131zda bu model bas\u0131n\u00e7 anahtarlar\u0131 yoktur.)<\/p>

\u00a0\u00a0 De\u011ferli \u00fcyelerimiz, A\u015fa\u011f\u0131da s\u0131n\u0131fland\u0131rlm\u0131\u015f \u015fekilde yer verdi\u011fimiz bas\u0131n\u00e7 transmitterleri 1. maddede yer alan ve analog sinyal \u00fcreten universal modellerdir .<\/p>

>\u00a0Hava Bas\u0131nc\u0131 \u00f6l\u00e7mek i\u00e7in:<\/b>\u00a0En \u00e7ok kullan\u0131lan ve a\u011f\u0131rl\u0131kl\u0131 olarak hava kompres\u00f6rleri i\u00e7in bas\u0131n\u00e7l\u0131 hava kontrol sistemlerinde kullan\u0131lan ve\u00a00-10v<\/b>\u00a0\u00e7o\u011funluklada\u00a04-20mA<\/b>\u00a0\u00e7\u0131k\u0131\u015fl\u0131 bas\u0131n\u00e7 okuma sens\u00f6rleri bu b\u00f6l\u00fcmde.<\/p>

>\u00a0Su (s\u0131v\u0131) Bas\u0131nc\u0131 sens\u00f6rleri:<\/b>\u00a0Bildi\u011finiz gibi s\u0131v\u0131lar s\u0131k\u0131\u015ft\u0131r\u0131lamazlar. Ama hava desekli yada di\u011fer tansiyon enstromanlar\u0131 vas\u0131tas\u0131yla stabil s\u0131v\u0131 bas\u0131nc\u0131 gereken yerlerde kullan\u0131lmaya y\u00f6nelik (dalg\u0131\u00e7 yada normal pompalar\u00a0vs) \u00fcretilen bas\u0131n\u00e7 tansmitterleri.<\/p>

>\u00a0Hidrolik sistemlerde kullan\u0131lan:<\/b>\u00a010.000 PSI (700 bar<\/b>) bas\u0131nca kadar olu\u015fabilen hidrolik sistemlerde bas\u0131n\u00e7 okuma ve kontrol\u00fc i\u00e7in kullan\u0131lan sens\u00f6r modellerimiz.<\/p>

>\u00a0Buhar ve k\u0131zg\u0131n ya\u011f bas\u0131n\u00e7 \u00f6l\u00e7\u00fcm\u00fc:<\/b>\u00a0A\u015f\u0131r\u0131 s\u0131cak sistemlerin bas\u0131n\u00e7 kontrol\u00fcne y\u00f6nelik ve mekanik donan\u0131m olarak 300 dereceye kadar\u00a0\u0131s\u0131ya dayanabien<\/u>\u00a0modellerimiz u kategoride yer almaktad\u0131r.<\/p>

>\u00a0Vakum Sens\u00f6rleri :<\/b>\u00a0Negatif bas\u0131n\u00e7 olu\u015fan makinalar i\u00e7in (vakum makinalar\u0131) kullan\u0131lan ve\u00a00 ile -1<\/b>\u00a0bar aras\u0131 vakum de\u011ferini \u00f6l\u00e7\u00fcp kontrol etmeye y\u00f6nelik modeller.<\/p>

>\u00a0Bas\u0131n\u00e7 sens\u00f6rleri aksesuarlar\u0131:<\/b>\u00a0Sens\u00f6rler i\u00e7in uzatma kablolar\u0131 ,yal\u0131t\u0131m \u00fcniteleri gerekli oldu\u011funda kullan\u0131lmas\u0131 muhtemel ek aksesuarlar.<\/p>

>\u00a0Bas\u0131n\u00e7 g\u00f6sterge ve kontrol cihazlar\u0131:<\/b>\u00a0Yukarda bahsi ge\u00e7en t\u00fcm bas\u0131n\u00e7 sens\u00f6rlerinin \u00fcretti\u011fi sinyalleri okuyup\u00a0dijital olarak<\/b>\u00a0g\u00f6sterebilen ve gerekirse dijital (r\u00f6le) yada analog veya haberle\u015fme verisi sunabilen elektronik kontrol cihazlar\u0131m\u0131zd\u0131r.<\/p>

<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0\u00a0\u00a0<\/a>\u00a0<\/p>

\u00a0\u00a0 > Her modelin kendi sayfas\u0131nda,besleme voltajlar\u0131,\u00e7\u0131k\u0131\u015f tipleri,giri\u015f tipleri,\u00e7al\u0131\u015fma modelleri<\/u>\u00a0ayr\u0131nt\u0131l\u0131 olarak a\u00e7\u0131klanmakta ve kullan\u0131m k\u0131lavuzlar\u0131 yer almaktad\u0131r.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Is\u0131 Sens\u00f6rleri<\/h2>

A\u015fa\u011f\u0131da belirgin \u015fekilde kategorize edilmi\u015f \u0131s\u0131 – s\u0131cakl\u0131k termist\u00f6rlerini bulabilrsiniz.<\/p>

De\u011ferli \u00fcyelerimiz, Web sitemizdeki \u00fcr\u00fcnlerin tamam\u0131\u00a0end\u00fcstriyel otomasyon makinalar\u0131na\u00a0y\u00f6nelik \u00fcr\u00fcnlerdir. Is\u0131 sens\u00f6rlerimizde oldukca zorlu \u00e7evresel ko\u015fullarda 7\/24 hizmet verebilecek ve 3000 derecelere bile (baz\u0131 modeller) dayanabilecek yap\u0131dad\u0131r.<\/p>

Ana kalemler olarak ;<\/b><\/p>

>\u00a0PT100 vs PT1000 \u0131s\u0131 sens\u00f6rleri;<\/b>\u00a0De\u011fi\u015fik montaj \u00f6l\u00e7\u00fclerinde,strok boylar\u0131nda ve g\u00f6vde yaplar\u0131nda\u00a0Pt 100 \u0131s\u0131 probu<\/u>\u00a0modellerimizin yer ald\u0131\u011f\u0131 b\u00f6l\u00fcmd\u00fcr. \u0130lgii g\u00f6selleri takip ederek arad\u0131\u011f\u0131n\u0131z\u00a0hassas s\u0131cakl\u0131k \u00f6l\u00e7\u00fcm<\/u>\u00a0konforunu bu b\u00f6l\u00fcmde bulabilirsiniz.<\/p>

>\u00a0J tipi (Fe-conts) termokupllar;<\/b>\u00a0Nispeten daha\u00a0ekonomik<\/u>\u00a0olarak\u00a0\u0131s\u0131 \u00f6l\u00e7me i\u015flerinde\u00a0tercih edilen termokupl modellerimiz bu b\u00f6l\u00fcmde bulunmaktad\u0131r. Her ebatta sens\u00f6r bulabilmeniz m\u00fcmk\u00fcn.<\/p>

>\u00a0PTC-NTC \u0131s\u0131 problar\u0131;<\/b>\u00a0So\u011futma kontrol\u00fc\u00a0i\u00e7in genelde bu b\u00f6l\u00fcmdek, sens\u00f6rler tercih edilmelidir. Daha h\u0131zl\u0131 cevap ve virg\u00fcll\u00fc de\u011fer okumaya daha uyumlu olduklar\u0131ndan , dar alanda k\u0131sa pasla\u015fma yapmak<\/u>\u00a0i\u00e7in \u00f6teki modellerden avantajl\u0131 konumdalar.<\/p>

>\u00a0Nicr-ni\/K Tipi sens\u00f6rler;<\/b>\u00a0500 -1000<\/b>\u00a0derece aras\u0131nda i\u015flem yapan makinalar\u0131n\u0131z varsa kullanman\u0131z gereken modeller b b\u00f6l\u00fcmde yer al\u0131yor. \u00c7elik strok yap\u0131lar\u0131 ve do\u011frudan aleve dayan\u0131kl\u0131 olmalar\u0131ndan dolay\u0131 amac\u0131ba uygun kullan\u0131mda uzun \u00f6m\u00fcrl\u00fc \u00e7al\u0131\u015fmaktad\u0131rlar.<\/p>

>\u00a0Nem kontrol\u00fc i\u00e7in sens\u00f6rler;<\/b>\u00a0Nem \u00f6l\u00e7mek i\u00e7in sens\u00f6r modellerimiz bu kategoride bulunuyor. Hem \u0131s\u0131 ve nem\u00a0bir arada modeller hemde analog \u00e7\u0131k\u0131\u015f verebilen modellerimiz bulumuyor.<\/p>

>\u00a0Temass\u0131z (UV) \u0131s\u0131 \u00f6l\u00e7\u00fcm sens\u00f6rleri;<\/b>\u00a0\u00d6zellikle d\u00f6ner f\u0131r\u0131nlarda ya da\u00a0hareketli pi\u015firme tesislerinde<\/u>\u00a0hedef noktaya sens\u00f6r ta\u015f\u0131mak b\u00fcy\u00fck sorun te\u015fkil etmektedir. Bu tarz yerler i\u00e7in uyumlu sens\u00f6r ve okuyucu cihazlar\u0131 ihtiva ederler.<\/p>

>\u00a0Pt100 vs 0-10V, 4-20mA \u00e7eviriciler;<\/b>\u00a0De\u011fi\u015fik PLC yada kontrolc\u00fcye y\u00f6nelik sinyal tipine uyumluluk g\u00f6stermek i\u00e7in sens\u00f6r giri\u015fli ve analog \u00e7\u0131k\u0131\u015fl\u0131 \u00e7evirici cihazlarmz burada.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Fotoseller<\/h2>

\u00a0\u00a0 En yayg\u0131n tespit sens\u00f6r\u00fc t\u00fcrlerinden biri fotoelektrik sens\u00f6rd\u00fcr. Bu sens\u00f6rler,\u00a0k\u0131z\u0131l\u00f6tesi<\/u>\u00a0bir \u0131\u015f\u0131\u011f\u0131n\u00a0 geri yans\u0131yan kendi iletti\u011fi \u0131\u015f\u0131\u011f\u0131n\u0131 alg\u0131layarak nesneler hakk\u0131nda bilgi almas\u0131d\u0131r. En \u00e7ok kullan\u0131lan format, hem verici hem de al\u0131c\u0131n\u0131n ayn\u0131 \u00fcnitede yer almas\u0131d\u0131r, ancak t\u00fcm fotoelektrik sens\u00f6rler bu \u015fekilde\u00a0yap\u0131lmam\u0131\u015ft\u0131r.<\/u><\/p>

Foto-elektrik sens\u00f6rler<\/b>\u00a0=\u00a0fotosel<\/b>\u00a0olarak tan\u0131mlanmaktad\u0131r. (en az\u0131ndan \u00fclkemizde)<\/p>

<\/p>

Fotoseller, foto-optik sinyaller ile de\u011fi\u015fik cisimleri alg\u0131lar. Bu cisimler metal yada plastik, tahta yada cam, renk yada \u0131\u015f\u0131k olabilir. Fotoseller \u00e7ok geni\u015f bir yelpazede hizmet vermektedirler. Bu noktada anahtar kelime i\u00e7in muhtemelen “temass\u0131z tespit” demek m\u00fcmk\u00fcnd\u00fcr.<\/p>

Fotoelektrik Sens\u00f6rler \u00e7e\u015fitli optik \u00f6zelliklerle nesneleri, y\u00fczey ko\u015fullar\u0131ndaki de\u011fi\u015fiklikleri ve di\u011fer \u00f6\u011feleri alg\u0131lar.
Fotoelektrik Sens\u00f6r \u00f6ncelikle\u00a0\u0131\u015f\u0131k yaymak i\u00e7in bir Verici<\/b>\u00a0ve \u0131\u015f\u0131k almak i\u00e7in bir\u00a0al\u0131c\u0131dan<\/b>\u00a0olu\u015fur. Yay\u0131lan \u0131\u015f\u0131k, alg\u0131lama nesnesi taraf\u0131ndan kesintiye u\u011frad\u0131\u011f\u0131nda veya yans\u0131t\u0131ld\u0131\u011f\u0131nda, Al\u0131c\u0131ya gelen \u0131\u015f\u0131k miktar\u0131n\u0131 de\u011fi\u015ftirir. Al\u0131c\u0131 bu de\u011fi\u015fikli\u011fi alg\u0131lar ve elektrik \u00e7\u0131k\u0131\u015f\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Fotoelektrik Sens\u00f6rlerin \u00e7o\u011fu i\u00e7in \u0131\u015f\u0131k kayna\u011f\u0131\u00a0k\u0131z\u0131l\u00f6tesi\u00a0veya g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131kt\u0131r (renkleri tan\u0131mlamak i\u00e7in genellikle k\u0131rm\u0131z\u0131 veya ye\u015fil \/ mavi).<\/p>

\u00a0\u00a0 Fotoelektrik Sens\u00f6rler a\u015fa\u011f\u0131daki \u015fekilde g\u00f6sterildi\u011fi gibi s\u0131n\u0131fland\u0131r\u0131lm\u0131\u015ft\u0131r.<\/b><\/p>

Cisimden yans\u0131mal\u0131 fotoseller :<\/b>\u00a0\u00c7ok \u00e7e\u015fitli end\u00fcstriyel ve imalat uygulamalar\u0131nda nesnelerin veya malzemelerin varl\u0131\u011f\u0131n\u0131 alg\u0131lamak i\u00e7in kullan\u0131l\u0131r. Operasyonlar\u0131n\u0131n anahtar\u0131, alg\u0131lanan hedef veya nesne ile fiziksel temas gerektirmemesidir. Bu y\u00fczden genellikle temass\u0131z sens\u00f6rler denir.<\/p>

Reflekt\u00f6rl\u00fc fotoseller :<\/b>\u00a0Bu t\u00fcr sens\u00f6rlerde, bir vericiden bir \u0131\u015f\u0131k demeti g\u00f6nderilir ve bir\u00a0reflekt\u00f6rden<\/b>\u00a0 dedekt\u00f6re geri gelir. I\u015f\u0131k huzmesi geri yans\u0131yabildi\u011finde, bu nesne yok olarak kaydedilir. Geri yans\u0131tmayan \u0131\u015f\u0131n, bir nesnenin varl\u0131\u011f\u0131 olarak kabul eden bir engel oldu\u011fu anlam\u0131na gelir. Bu sens\u00f6rler\u00a0cisimden yans\u0131mal\u0131 tiplerden daha uzun mesafelidir,<\/u>\u00a0Ancak montaj\u0131 ve kablolamas\u0131 daha kolayd\u0131r ve genellikle \u0131\u015f\u0131n demeti sens\u00f6rlerinden daha\u00a0d\u00fc\u015f\u00fck maliyetlidir.<\/u>

<\/b>Kar\u015f\u0131l\u0131kl\u0131 sens\u00f6rler :<\/b>\u00a0<\/a>\u00a0 Bu tip sens\u00f6rler bir verici ve bir al\u0131c\u0131dan olmak \u00fczere 2 ayr\u0131 cihazdan olu\u015fur, Verici genellikle do\u011frudan yay\u0131c\u0131n\u0131n g\u00f6r\u00fc\u015f hatt\u0131nda olup al\u0131c\u0131ya bir \u0131\u015f\u0131k demeti g\u00f6nderir. Tespit edilmesi gereken nesne bu \u0131\u015f\u0131k demetini k\u0131rarsa, bir varl\u0131k olarak alg\u0131lan\u0131r. Bu t\u00fcr kurulum iki bile\u015fen gerektirir; Bir verici ve bir al\u0131c\u0131, bu da kurulumu ve kablolamay\u0131 biraz daha karma\u015f\u0131k hale getirir. Bununla birlikte, avantaj\u0131, en uzun alg\u0131lama aral\u0131\u011f\u0131na sahip ve alg\u0131lama y\u00f6ntemlerinin en do\u011frusu olmas\u0131d\u0131r.<\/p>

Mesafe \u00f6l\u00e7me fotoselleri :<\/b>\u00a0Genel olarak tek bir cihaz olarak \u00e7al\u0131\u015fan bu modeller ilgili cisime g\u00f6nderdikleri sinyalin d\u00f6n\u00fc\u015f yo\u011funlu\u011fu ve d\u00f6n\u00fc\u015f h\u0131z\u0131na ba\u011fl\u0131 olarak , fotoselin bulundu\u011fu nokta ile cisim aras\u0131ndaki mesafeyi \u00f6l\u00e7meye yararlar. Bir\u00e7ok t\u00fcrleri olmakla beraber dijital \u00e7\u0131k\u0131\u015f yada\u00a0analog sinyal\u00a0\u00e7\u0131k\u0131\u015f\u0131 olarak modelleri bulunmaktad\u0131r. Alg\u0131lama ve hassasiyetleri \u00fcr\u00fcn tipine g\u00f6re de\u011fi\u015fsede genel olarak 1mt\/max sevilerinde en \u00e7ok kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z modellerdir.<\/p>

Fiber optik fotoseller :<\/b>\u00a0Dar alanlarda, y\u00fcksek s\u0131cakl\u0131k olan makinalarda veya hareketli ortamlarda , bir al\u0131c\u0131 ve bir verici ile birlikde en az 2 unsurdan olu\u015fan optik \u0131\u015f\u0131\u011f\u0131 ta\u015f\u0131yabilen liflerden olu\u015fan alg\u0131lama ayg\u0131tlar\u0131d\u0131r. Optik fiber, farkl\u0131 k\u0131r\u0131lma indekslerine sahip olan g\u00f6bek ve kaplamadan olu\u015fur. I\u015f\u0131k h\u00fczmesi, kaplaman\u0131n duvar\u0131ndan tekrar tekrar z\u0131playarak \u00e7ekirde\u011fin i\u00e7inden ge\u00e7er. I\u015f\u0131k miktar\u0131nda herhangi bir kay\u0131p olmadan fiberden ge\u00e7en \u0131\u015f\u0131k demeti yakla\u015f\u0131k 60 \u00b0 ‘lik bir a\u00e7\u0131yla da\u011f\u0131t\u0131l\u0131r ve hedefe yay\u0131l\u0131r.<\/p>

Ultrasonic fotosel sens\u00f6rler:<\/b>\u00a0Ultrasonik sens\u00f6r, ultrasonik ses dalgalar\u0131 yayarak hedef nesnenin mesafesini \u00f6l\u00e7en ve yans\u0131t\u0131lan\u00a0sesi bir elektrik sinyaline d\u00f6n\u00fc\u015ft\u00fcren<\/b>\u00a0elektronik bir cihazd\u0131r. Ultrasonik dalgalar i\u015fitilebilir sesin h\u0131z\u0131ndan daha h\u0131zl\u0131 hareket eder (yani insanlar\u0131n duyabildi\u011fi ses). Ultrasonik sens\u00f6rlerin iki ana bile\u015feni vard\u0131r: verici (piezoelektrik kristalleri kullanarak sesi yayar) ve al\u0131c\u0131 (hedefe gidip geldikten sonra sesle kar\u015f\u0131la\u015f\u0131r).\u00a0Sens\u00f6r ve nesne aras\u0131ndaki mesafeyi hesaplamak i\u00e7in, sens\u00f6r, verici taraf\u0131ndan sesin al\u0131c\u0131 ile temas\u0131na emisyonu aras\u0131nda ge\u00e7en s\u00fcreyi \u00f6l\u00e7er. Bu hesaplama i\u00e7in form\u00fcl D=1\/2 TxC‘dir (burada D uzakl\u0131k, T zamand\u0131r ve C ses h\u0131z\u0131 ~ 343 metre \/ saniye).<\/span><\/p>

> Her modelin kendi sayfas\u0131nda,besleme voltajlar\u0131,\u00e7\u0131k\u0131\u015f tipleri,giri\u015f tipleri,\u00e7al\u0131\u015fma modelleri<\/u>\u00a0ayr\u0131nt\u0131l\u0131 olarak a\u00e7\u0131klanmakta ve kullan\u0131m k\u0131lavuzlar\u0131 yer almaktad\u0131r.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Enkoderler<\/h2>


<\/b><\/p>

A\u015fa\u011f\u0131da end\u00fcstride bir \u00e7ok alanda kullan\u0131lan\u00a0rotary encoder<\/u>\u00a0modelleri bulunmaktad\u0131r.<\/p>

Bildi\u011finiz gibi bir\u00e7ok de\u011fi\u015fik ama\u00e7lar i\u00e7in onlarca enkoder t\u00fcr\u00fc bulunmaktad\u0131r. Ancak biz en fazla kullan\u0131lan\u00a0art\u0131r\u0131ml\u0131 \u00e7\u0131k\u0131\u015f tipi (inkremental)<\/u>\u00a0model enkoderlerimizi sergiledik.<\/p>

Encoder nedir?\u00a0<\/b>Optik g\u00f6zlerle se\u00e7ilebilecek \u015fekilde b\u00f6l\u00fcnm\u00fc\u015f \u00e7izgileri okuyup,enkoder tipine g\u00f6re dijital yada analog sinyal \u00fcretebilen, d\u00f6ner bir milin \u00fczerine yerle\u015ftirilece\u011fi gibi,do\u011frusal (lineer)\u00a0olarakda \u00fcretilebilen, art\u0131r\u0131ml\u0131 yada mutlak,analog yada rezolver olarak bir\u00e7ok isim ve i\u015fleve sahip olan,elektrmekanik otomasyon malzemeleridir.<\/p>

Web sitemize art\u0131r\u0131ml\u0131 tip encoder modelleri bulunmaktad\u0131r. \u0130lerleyen d\u00f6nemde belki analog \u00e7\u0131k\u0131\u015f verebilen enkoder bulundurma ihtimalide bulunmaktad\u0131r. bsolute (mutlak) encoder modelleride \u015fu an i\u00e7in yoktur.<\/p>

\u00dcr\u00fcnlerin tamam\u0131 kendi kalite kontrol standartlar\u0131m\u0131zda ve sahada test edip kulland\u0131\u011f\u0131m\u0131z sa\u011flaml\u0131\u011f\u0131na kefil oldu\u011fumuz modellerdir.<\/p>

En \u00e7ok sat\u0131lan seriler\u00a050mm<\/b>\u00a0g\u00f6veli olan modeller olup ,\u00a0PLC’ler\u00a0– standart\u00a0say\u0131c\u0131lar\u00a0ve di\u011fer\u00a0kontrol cihazlar\u0131\u00a0i\u00e7in uyumludur.<\/p>

Enkoderlerin ba\u011flant\u0131 \u015femalar\u0131,d\u00fc\u015fen y\u00fckselen kenar kontrolleri,kalibrasyonlar\u0131,say\u0131c\u0131 ve plc lere ba\u011flanmas\u0131 gibi teknik konular\u0131n\u0131 i\u00e7eren detaylara\u00a0yard\u0131m forum\u00a0sayfam\u0131zdan ula\u015fabilirsiniz.<\/p>

Ek olarak encoderler i\u00e7in \u00f6zel kaplinler ve montaj \u00fczengileride yer almaktad\u0131r.<\/p>

Not:<\/b>\u00a0Web sitemizde yer alan t\u00fcm \u00fcr\u00fcnler gibi Enkoderlerimizde End\u00fcstriyel makinalar i\u00e7in otomasyon konusunda kullan\u0131lmak \u00fczere \u00fcretilen malzemelerdir.\u00a0Frekans motor h\u0131z kontrol cihazlar\u0131, G\u00fc\u00e7 kaynaklar\u0131,<\/u>indiksiyon ocaklar\u0131 vs. parazit yayabilecek di\u011fer unsurlarla beraber \u00e7al\u0131\u015fabilecek\u00a0galvanik izalasyona\u00a0sahiptir.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Potansiyometreler<\/h2>

De\u011ferli \u00fcyelerimiz, Potansiyometreler i\u015flevleri bak\u0131m\u0131ndan\u00a02, yap\u0131lar\u0131 bak\u0131m\u0131ndan 3 ana gruba ayr\u0131l\u0131r.<\/u><\/p>

1- Dijital potansiyometreler ;<\/b><\/span>\u00a0Ac motor h\u0131z kontrol cihazlar\u0131 i\u00e7in\u00a0frekans kontrol\u00fcne<\/b>\u00a0y\u00f6nelik ve analog sinyal \u00e7\u0131k\u0131\u015f\u0131 verebilen elektronik cihazlard\u0131r. Ma\u011fazam\u0131zda bu tarz\u00a0dijital kontrol potansiyometrelerden\u00a0bulunmaktad\u0131r.<\/p>

2- Lineer potansiyometreler ;<\/b><\/span>\u00a0Genel olarak mesafe \u00f6l\u00e7mek i\u00e7in kullan\u0131lan \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 bak\u0131m\u0131ndan klasik rotary potansiyometrelerle ayn\u0131 ancak donan\u0131m olarak farkl\u0131 modellerdir.\u00a0Lineer potansiyometreler b\u00f6l\u00fcm\u00fcm\u00fczden\u00a0bu \u00fcr\u00fcnleri inceleyebilirsiniz.<\/p>

3- Rotatif end\u00fcstriyel potansiyometreler ;<\/b><\/span>\u00a0A\u011f\u0131rl\u0131kl\u0131 olarak inverter (h\u0131z kontrol cihazlar\u0131<\/b>) \u00e7\u0131k\u0131\u015f frekans\u0131n\u0131 ayarlamak i\u00e7in kullan\u0131lan ve de\u011feri 2.2k ile 10k aras\u0131nda de\u011fi\u015fen diren\u00e7lerdir. (web sitemizde sadece end\u00fcstriyel potansiyometreler bulunmaktad\u0131r.)<\/p>

Rotatif potansiyometre, 3 terminalli\u00a0manuel olarak ayarlanabilen<\/span>\u00a0bir de\u011fi\u015fken diren\u00e7tir. \u0130ki terminal bir diren\u00e7 eleman\u0131n\u0131n her iki ucuna ba\u011flan\u0131r ve \u00fc\u00e7\u00fcnc\u00fc terminal diren\u00e7 eleman\u0131n\u0131n \u00fczerinde hareket eden bir s\u00fcp\u00fcrge ad\u0131 verilen\u00a0kayar konta\u011fa ba\u011flan\u0131r.<\/u>\u00a0S\u00fcp\u00fcrge konumu, potansiyometrenin \u00e7\u0131k\u0131\u015f voltaj\u0131n\u0131 belirler. Potansiyometre esasen de\u011fi\u015fken bir voltaj b\u00f6l\u00fcc\u00fc olarak i\u015flev g\u00f6r\u00fcr. Diren\u00e7 eleman\u0131 seri olarak\u00a0iki diren\u00e7 olarak g\u00f6r\u00fclebilir<\/b>\u00a0(potansiyometre direnci), burada s\u00fcp\u00fcrge konumu birinci direncin ikinci dirence olan diren\u00e7 oran\u0131n\u0131 belirler. Pasif devre elemanlar\u0131d\u0131r, yani temel do\u011frusal veya d\u00f6ner pozisyon i\u015flevlerini ger\u00e7ekle\u015ftirmek i\u00e7in bir\u00a0g\u00fc\u00e7 kayna\u011f\u0131\u00a0veya ek devre gerektirmezler.<\/p>

Potansiyometre ayn\u0131 zamanda bir\u00a0potmetre<\/b>\u00a0veya\u00a0pot<\/b>\u00a0olarak da bilinir . Potmetrenin en yayg\u0131n \u015fekli tek turlu d\u00f6ner potmetredir. Bu tip pot genellikle\u00a0h\u0131z seviyesi kontrol\u00fcnde\u00a0(logaritmik konik) ve di\u011fer bir\u00e7ok uygulamada kullan\u0131l\u0131r. Potansiyometre olu\u015fturmak i\u00e7in karbon bile\u015fimi, sermet, tel, iletken plastik veya metal film gibi farkl\u0131 malzemeler kullan\u0131l\u0131r.<\/p>

\u00a0\u00a0 > Her modelin kendi sayfas\u0131nda,besleme voltajlar\u0131,\u00e7\u0131k\u0131\u015f tipleri,giri\u015f tipleri,\u00e7al\u0131\u015fma modelleri<\/u>\u00a0ayr\u0131nt\u0131l\u0131 olarak a\u00e7\u0131klanmakta ve kullan\u0131m k\u0131lavuzlar\u0131 yer almaktad\u0131r.<\/p>

\u00a0\u00a0 >>Not:<\/b>\u00a0Web sitemizde bulunan t\u00fcm \u00fcr\u00fcnlerimiz gibi elektronik cetvellerimizde\u00a0end\u00fcstriyel otomasyon<\/b>\u00a0sekt\u00f6r\u00fc i\u00e7in makinalarda kullan\u0131lmaya y\u00f6nelik \u00fcr\u00fcnlerdir. Ayn\u0131 otamda bulunan ,Frekans s\u00fcr\u00fcc\u00fcleri,\u00a0g\u00fc\u00e7 kaynaklar\u0131,irili ufakl\u0131\u00a0end\u00fcksiyon motorlar\u0131<\/b>\u00a0gibi potansiyel parazit kaynaklar\u0131na y\u00f6nelik\u00a0galvanik izalasyona sahip\u00a0olarak \u00fcretilmi\u015ftir.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Lineer cetveller<\/h2>\n
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Lineer cetvel teknolojisi end\u00fcstriyel otomasyon makina sistemlerinde oldukca uzun zamand\u0131r kullan\u0131lmaktad\u0131r.<\/p>\n

<\/p>\n

   Temel olarak 2 ana gruba ayr\u0131l\u0131r;<\/b><\/p>\n

1- Analog lineer elektronik cetveller ;<\/b><\/span> Mekanik donan\u0131m yap\u0131s\u0131 gere\u011fi fiber karbon ala\u015f\u0131ml\u0131 \u015ferit bant \u00fczerinde g\u00fcm\u00fc\u015f-bak\u0131r ala\u015f\u0131ml\u0131 nuzul ile de\u011fer okuyabildi\u011fimiz model cihazlard\u0131r. Cam \u00f6l\u00e7ekli dijital temelli cetvellerden farkl\u0131 olarak, kulland\u0131\u011f\u0131m\u0131z manyetik \u00f6l\u00e7ek teknolojisi hassas do\u011frusal \u00f6l\u00e7\u00fcm sa\u011flamak i\u00e7in “temas etmek<\/span>” zorundad\u0131r. Bunun nedeni, yukar\u0131da belirtti\u011fimiz imalat ve \u00e7al\u0131\u015fma formundan kaynaklanmaktad\u0131r. Zamanla a\u015f\u0131nma ve deformasyon<\/span> olma ihtimali daha y\u00fcksektir. En nihayetinde s\u00fcrt\u00fcnme muhakkak malzeme ne derece dayan\u0131kl\u0131 olsada, korozyona sebeb olmaktad\u0131r.<\/p>\n

2- Dijital lineer cetveller ;<\/b><\/span>  Dijital manyetik bant \u00f6l\u00e7\u00fcm sistemleri, do\u011frusal manyetik bir malzemeden ve manyetik bant \u00fczerine temas etmeden<\/span> beslenen bir okuma kafas\u0131ndan olu\u015fur. Bu \u00f6l\u00e7\u00fcm prensibi kal\u0131c\u0131 olarak a\u015f\u0131nmaz<\/u>, \u00e7ok sa\u011flamd\u0131r ve 0,2 mikrona<\/u> kadar en y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckleri sa\u011flar. B\u00f6ylece sistemimiz ortamdaki kir, toz, kir, ya\u011f veya so\u011futucudan ba\u011f\u0131ms\u0131z olarak \u00e7al\u0131\u015f\u0131r. Dijital g\u00f6sterge manyetik oldu\u011fundan, do\u011frulu\u011fu \u00e7evresel fakt\u00f6rlerin negatif etki\u015ferinden ve so\u011futucular\u0131n yap\u0131\u015fmas\u0131ndan etkilenmez. \u00d6l\u00e7ek metalden yap\u0131lm\u0131\u015ft\u0131r, bu nedenle sal\u0131n\u0131mlara ve darbelere kar\u015f\u0131 son derece dayan\u0131kl\u0131d\u0131r.
Sens\u00f6r kafas\u0131na entegre edilen elektronik cihazlar, sin\u00fczoidal sinyali manyetik sens\u00f6r kafas\u0131ndan HTL veya TTL sinyaline d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Farkl\u0131 sinyaller (A, \/ A, B, \/ B, Z, \/ Z)<\/span> daha sonra herhangi bir standart kontrol \u00fcnitesi<\/b> ile okunabilir ve iste\u011fe ba\u011fl\u0131 olarak 3.parti g\u00f6stergelere aktar\u0131labilir.<\/p>\n

   Dijital do\u011frusal cetveller, \u00f6zellikle freze makineleri, de\u011firmenler veya tornalar gibi kontroll\u00fc tak\u0131m makineleri i\u00e7in uygundur. \u00d6te yandan bir\u00e7ok sanayii i\u00e7in di\u011fer potansiyel uygulamalar end\u00fcstriyel robot sistemleri veya XY pozisyon tablolar\u0131ndaki hassas uygulamalard\u0131r. Kolay montaj i\u00e7in \u00e7ubuk u\u00e7 yatakl\u0131 bir k\u0131lavuz \u00e7ubuk ve di\u011fer vida vs aparatlar\u0131 ile sat\u0131l\u0131r.<\/p>\n

   T\u00fcm lineer sens\u00f6rlerin dijital okumalar\u0131 ayn\u0131 m\u0131?<\/b>
   Bir\u00e7ok do\u011frusal \u00f6l\u00e7\u00fcm sistemi optik prensiplere<\/u> dayanmaktad\u0131r. Bir \u0131\u015f\u0131k kayna\u011f\u0131 ve foto-detekt\u00f6r, cam \u00fczerindeki \u0131zgaradan parlayan veya bu \u0131zgaradan yans\u0131yan \u00f6rt\u00fc\u015fen \u0131\u015f\u0131k d\u00fczenlerini “okumak” i\u00e7in bir cam skalas\u0131 boyunca y\u00f6nlendirilir.\u00c7\u0131k\u0131\u015f sinyalleri kare dalga puls yada PWM<\/b> \u015feklinde olabilir.<\/p>\n

   Karbon temelli okuma y\u00f6ntemleride gelen sinyallerin do\u011fas\u0131 gere\u011fi puls yada darbeli di\u011fer sinyaller gibi de\u011fildir. \u0130malat\u0131na ba\u011fl\u0131 olarak ya do\u011frudan analog bir de\u011fer verirler<\/b> ya da klasik potansiyometreler gibi davran\u0131p diren\u00e7lerini de\u011fi\u015ftirirler.<\/p>\n

   Sonu\u00e7 olarak<\/b> her cetvel modelini okuyabilen cihaz modeli farkl\u0131 farkl\u0131d\u0131r.<\/u> Dijital lineer cetvelleri h\u0131zl\u0131 say\u0131c\u0131l\u0131 okuma yapabilen modeller okuyabilirken, Analog cetvelleri analog giri\u015f kabul eden cihazlar okuyabilir. E\u011fer bir PLC sistemine sahipseniz bu noktada ilgili cihaz\u0131n\u0131z\u0131n hangi giri\u015f tiplerine sahip olduklar\u0131n\u0131 kontrol edip ona g\u00f6re \u00fcr\u00fcn se\u00e7mekde fayda vard\u0131r.<\/p>\n


<\/b><\/p>\n

   Lineer cetveller = lineer potansiyometredir diyebilirmiyiz ?<\/b>  Evet, yukar\u0131da 1. maddede belirtti\u011fimiz analog lineer cetveller esasen lineer potansiyometre olarak adland\u0131r\u0131labilir.<\/p>\n

— Hangisini kullanmal\u0131y\u0131m ?<\/b><\/p>\n

> Dijital cetvellerin<\/u> en b\u00fcy\u00fck avantaj\u0131 “temass\u0131z olmas\u0131d\u0131r”. Yani okuma esnas\u0131nda s\u00fcrt\u00fcnme olmad\u0131\u011f\u0131ndan \u00f6mr\u00fc \u00e7ok uzundur. Fakat elektrik kesilirse konumunu haf\u0131zaya alamaz. ( bu durum torna vs gibi makinalarda de\u011fil,mekanizman\u0131n el ile hareket <\/u>ettirebilinecek yerler i\u00e7in ge\u00e7erlidir.)<\/p>\n

> Lineer potansiyometrelerin<\/u> en b\u00fcy\u00fck avantaj\u0131 enerji kesilse veya serbest hareket ettirilse bile (absolute) konum bilgisine elektriksel olarak de\u011fil mekanik olarak tutmalar\u0131ndand\u0131r. \u00d6te yandan mekanik s\u00fcrt\u00fcnmeden dolay\u0131 \u00f6le ya da b\u00f6le \u00f6m\u00fcrleri k\u0131s\u0131tl\u0131d\u0131r.<\/u><\/p>\n

— \u00d6l\u00e7me hassasiyeti ;<\/b><\/p>\n

Lineer potansiyometrelerde \u00e7\u00f6z\u00fcn\u00fcrl\u00fck seviyesi okuyan cihaza<\/b> ba\u011fl\u0131d\u0131r (ka\u00e7 bit?).<\/p>\n

Dijital cetvellerde ise \u00e7\u00f6z\u00fcn\u00fcrl\u00fck hassasiyeti okunan \u015feride <\/b>ba\u011fl\u0131d\u0131r (0,05mm)<\/p>\n

Arkada\u015flar bu cihazlara Cetvel okuma cihazlar\u0131<\/b> ba\u015fl\u0131\u011f\u0131ndan ula\u015fabilirsiniz.<\/p>\n

   > Her modelin kendi sayfas\u0131nda,besleme voltajlar\u0131,\u00e7\u0131k\u0131\u015f tipleri,giri\u015f tipleri,\u00e7al\u0131\u015fma modelleri<\/u> ayr\u0131nt\u0131l\u0131 olarak a\u00e7\u0131klanmakta ve kullan\u0131m k\u0131lavuzlar\u0131 yer almaktad\u0131r..<\/p>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Load cell:<\/strong><\/div>\n
Load cell \u00e7e\u015fitleri;
<\/b>1. End\u00fcktif Esasl\u0131 bas\u0131n\u00e7 transd\u00fcserleri
2. Kapasitif Esasl\u0131 bas\u0131n\u00e7 transd\u00fcserleri
3. Kuvars Elektrostatik bas\u0131n\u00e7 transd\u00fcserleri
4. Piezo-Diren\u00e7 tipi bas\u0131n\u00e7 transd\u00fcserleri<\/div>\n
Otomasyon end\u00fcstrisindeki a\u011f\u0131rl\u0131k\/tork alg\u0131lay\u0131c\u0131 (sens\u00f6r) olarak genelde\u00a0load cell<\/b>\u00a0kullan\u0131l\u0131r.A\u011f\u0131rl\u0131\u011f\u0131n olu\u015fturdu\u011fu gerilmeyi ya da burkulmay\u0131 elektronik y\u00f6ntemle \u00f6l\u00e7meyi sa\u011flayan d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fclere\u00a0load cell<\/b>\u00a0denir. Gerilme ya da burkulma genellikle\u00a0load-cell<\/b>\u00a0\u2018lar (y\u00fck h\u00fccreleri) ile \u00f6l\u00e7\u00fcl\u00fcr. Dolay\u0131s\u0131yla\u00a0load cell yap\u0131m\u0131nda strain gauge<\/u>\u2018lerdan faydalan\u0131l\u0131r.\u00a0Load cell<\/b>\u2018ler \u00e7elik karkasa sahip olmakla birlikte genellikle al\u00fcminyum \u00e7er\u00e7eve \u00fczerine yerle\u015ftirilen load-cell \u2018lardan elde edilir. \u00d6rne\u011fin; d\u00f6rt adet\u00a0load-cell<\/b>\u00a0farkl\u0131 y\u00f6nlerde ve k\u00f6pr\u00fc \u015feklinde ba\u011flanarak al\u00fcminyum \u00e7er\u00e7eve \u00fczerine monte edilip ambalajland\u0131\u011f\u0131nda\u00a0load cell elde edilir.\u00a0<\/u>B\u00f6yle bir load cell\u2019e farkl\u0131 y\u00f6nlerden a\u011f\u0131rl\u0131k ya da kuvvet uyguland\u0131\u011f\u0131nda; a\u011f\u0131rl\u0131k ya da kuvvet alg\u0131lama yetene\u011fine sahip olur.\u00a0Load cell<\/b>\u2018e kuvvet uyguland\u0131\u011f\u0131nda strain gauge\u2019un yap\u0131s\u0131ndaki de\u011fi\u015fim mekanik, optik, elektrik vb. y\u00f6ntemlerle alg\u0131lanabilir. \u0130\u00e7erisinden vida, kablo vb. yuvarlak cisim ge\u00e7irilerek cisimdeki genle\u015fmeyi alg\u0131lama yetene\u011fine sahip load cell tipine \u201ccenter \u2013 hole load cell\u201d denir.\u00a0<\/div>\n
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LoadCell Modelleri ;
<\/b>Loadcell\u2019ler kullan\u0131m alanlar\u0131n\u0131n gerektirdi\u011fi \u015fekilde imal edilirler bu y\u00fczden \u00e7ok farkl\u0131 ve \u00e7e\u015fitli modelde loadcell e rastlan\u0131l\u0131r. G\u00fcn\u00fcm\u00fczde 50-100gr dan 1000-2000 ton a kadar geni\u015f bir kapasite aral\u0131\u011f\u0131nda loadcell imal edilebilmektedir.<\/p>\n

LoadCell Montaj Kitleri
Loadcell\u2019<\/b>lerden maksimum performans\u0131 alabilmek i\u00e7in \u00fcreticilerin belirledi\u011fi ve tavsiye etti\u011fi montaj ayr\u0131nt\u0131lar\u0131na kesinlikle dikkat edilmelidir.Montaj\u0131 do\u011fru yap\u0131lmam\u0131\u015f bir\u00a0loadcell<\/b>(ler)den do\u011fru ,g\u00fcvenilir sonu\u00e7 almak nerede ise imkans\u0131zd\u0131r.Bu y\u00fczden uygulama
alan\u0131n\u0131n \u00f6zellikleri ile uyumlu\u00a0loadcell<\/b>\u00a0montaj kitleri imal edilmi\u015ftir.Her model \u00e7ok farkl\u0131 uygulamalarda kullan\u0131labilir.Bunun neticesinde bir modele ait bir veya birka\u00e7 montaj \u015fekli ve aksesuar\u0131 bulunabilir,uygulaman\u0131n gerektirdi\u011fi \u00f6zelliklerde montaj kiti se\u00e7ilmelidir.<\/p>\n<\/div>\n

Loadcell ne t\u00fcr malzemeden yap\u0131l\u0131r?<\/b>
Bas\u0131nc\u0131n elektrik ak\u0131m\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fclme\u00a0yollar\u0131ndan biri de\u00a0piezoelektrik<\/u>\u00a0olay\u0131d\u0131r. Piezoelektrik \u00f6zellikli alg\u0131lay\u0131c\u0131larda kuartz (quartz), ro\u015fel (rochelle) tuzu, baryum, turmalin gibi kristal yap\u0131l\u0131 maddeler kullan\u0131l\u0131r. Bu elemanlar \u00fczerlerine gelen bas\u0131nca g\u00f6re k\u00fc\u00e7\u00fck de\u011ferli bir elektrik gerilimi ve ak\u0131m\u0131 \u00fcretir. Bu elektrik ak\u0131m\u0131n\u0131n de\u011feri bas\u0131nc\u0131n de\u011feri ile doru orant\u0131l\u0131d\u0131r. Piezoelektrik \u00f6zellikli elemanlar h\u0131zl\u0131 tepki verdiklerinden ani bas\u0131n\u00e7 de\u011fi\u015fikliklerini \u00f6l\u00e7mede yayg\u0131n olarak kullan\u0131l\u0131r.<\/div>\n
Load cell Kalibrasyon Prosed\u00fcrleri<\/b>
Belirli ko\u015fullar alt\u0131nda bir \u00f6l\u00e7me cihaz\u0131nda bir referans malzemenin verdi\u011fi de\u011ferlerle, \u00f6l\u00e7\u00fcm standartlar\u0131 ile ger\u00e7ekle\u015ftirilen ve bunlara kar\u015f\u0131l\u0131k gelen de\u011ferler aras\u0131ndaki ili\u015fkiyi kuran i\u015flemler dizisine kalibrasyon denir. Di\u011fer bir ifadeyle kalibrasyon; cihaz\u0131n
bilinen bir standartla kontrol edilmesi,\u00a0k\u0131yaslanmas\u0131d\u0131r<\/b>.<\/div>\n
\u00a0\u00a0 \u00a0\u00a0\u00a0 Loadceller nerelerde kullan\u0131l\u0131r?<\/b>
\u00a0\u00a0\u00a0\u00a0\u00a0Y\u00fck h\u00fccresi=(load cell<\/b>)\u00a0daha \u00e7ok elektronik terazilerin yap\u0131m\u0131nda kullan\u0131lan bas\u0131n\u00e7 sens\u00f6r\u00fcd\u00fcr. As\u0131l \u00e7al\u0131\u015fma prensibi strain gage gibidir. Tek noktadan ya da iki noktadan \u00f6l\u00e7\u00fcm yapanlar\u0131 da bulunmaktad\u0131r. Montaj s\u0131ras\u0131 noktalar\u0131ndaki strain gagelerin diren\u00e7leri bas\u0131nca ba\u011fl\u0131 olarak de\u011fi\u015fir. Bu de\u011fi\u015fim ile orant\u0131l\u0131 olarak da bas\u0131n\u00e7 miktar\u0131n\u0131 tespit edebiliriz.\u00a0Elektronik okuyucu<\/a>\u00a0d\u00fczene\u011fi kurularak bas\u0131n\u00e7\u00a0\u00f6l\u00e7\u00fclebilir .Straingauge, sabitlenmi\u015f esnek bir cisim\u00a0\u00fczerine tutturulur. Esnek cismin hemen alt\u0131ndaki\u00a0k\u00f6r\u00fc\u011fe bas\u0131n\u00e7 uyguland\u0131\u011f\u0131nda k\u00f6r\u00fck \u015fi\u015ferek esnek\u00a0cisme tutturulmu\u015f Strain gage\u2019i gerdirir.\u00a0Strain gage ba\u011fl\u0131 d\u00fczenek sayesinde bas\u0131n\u00e7la<\/div>\n
orant\u0131l\u0131 olarak Strain gage\u2019un de\u011fi\u015fen direnciyle bas\u0131n\u00e7 \u00f6l\u00e7\u00fclebilir.<\/div>\n
UYGULAMA YAPMADAN NELERE D\u0130KKAT ED\u0130LMEL\u0130?
<\/b>***\u00a0\u00a0Bas\u0131n\u00e7 sens\u00f6r\u00fcn\u00fcn<\/a>\u00a0sa\u011flaml\u0131k kontrol\u00fcn\u00fc yap\u0131n\u0131z.\u00a0\u00a0
*** \u00d6ncelikle bas\u0131n\u00e7 sens\u00f6r ve\u00a0transd\u00fcserleri<\/a>\u00a0ile ilgili bilgi konular\u0131n\u0131 okuyunuz.\u00a0
*** Temin etti\u011finiz sens\u00f6rlerin teknik \u00f6zelliklerini kataloglardan inceleyiniz.\u00a0
*** Elinizdeki bas\u0131n\u00e7 sens\u00f6rlerini katalog bilgilerine g\u00f6re avometre ile test ediniz.\u00a0
*** Bas\u0131n\u00e7 sens\u00f6rl\u00fc uygulama devresi yap\u0131n\u0131z.\u00a0\u00a0
*** Yapaca\u011f\u0131n\u0131z devreye uygun sens\u00f6r\u00fc temin ediniz..\u00a0
*** Sens\u00f6rleri ba\u011flant\u0131 \u015femas\u0131na uygun bir \u015fekilde ba\u011flayarak \u00e7al\u0131\u015fmas\u0131n\u0131 g\u00f6zlemleyiniz.\u00a0
*** Sens\u00f6rlerin \u00e7al\u0131\u015fmas\u0131 hakk\u0131nda bir rapor haz\u0131rlay\u0131n\u0131z\u00a0
*** Bas\u0131n\u00e7 sens\u00f6rl\u00fc devrelerde ar\u0131zay\u0131 gideriniz.\u00a0
*** Kontrol edece\u011finiz devrenin \u00e7al\u0131\u015fma prensibini \u00f6\u011freniniz.\u00a0
*** Devrede kullan\u0131lan sens\u00f6r\u00fcn hangi ama\u00e7la kullan\u0131ld\u0131\u011f\u0131n\u0131 \u00f6\u011freniniz.\u00a0
*** Kullan\u0131lan sens\u00f6r\u00fcn kontrol etti\u011fi eleman\u0131 bularak sens\u00f6r\u00fcn konumunu \u00f6\u011freniniz.\u00a0
*** Sens\u00f6r\u00fc s\u00f6kerek avometre ile sa\u011flaml\u0131k kontrol\u00fcn\u00fc yap\u0131n\u0131z.\u00a0<\/div>\n
LOADCELL NED\u0130R?
<\/b>Mekanik gerilmeleri elektrik sinyaline d\u00f6n\u00fc\u015ft\u00fcren elemanlara\u00a0strain gauge<\/i>\u00a0denir. Esnek taban\u0131 s\u00fcnd\u00fcrecek \u015fekilde yanlardan d\u0131\u015far\u0131ya do\u011fru kuvvet uyguland\u0131\u011f\u0131nda \u0131zgara \u015feklinde d\u00f6\u015fenmi\u015f iletken telin boyu uzar. Telin boyu uzay\u0131nca kesiti azal\u0131r ve direnci artar.\u00a0Bas\u0131nca ba\u011fl\u0131 olarak de\u011fi\u015fim g\u00f6steren diren\u00e7, k\u00f6pr\u00fc devresinde kullan\u0131larak de\u011fi\u015fime ba\u011fl\u0131 elektrik sinyali elde edilebilir. Strain gauge\u2019u olu\u015fturan iletken nikel \u2013 bak\u0131r, nikel \u2013 demir, nikel \u2013 krom, nikel \u2013 platin vb. ala\u015f\u0131m olabilir.<\/div>\n
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\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0 Load cell verileri nas\u0131l okunur ?<\/b>
Loadcell h\u00fccreleri 0-10 volt yada 4-20 mA gibi standart sinyal \u00fcretmezler.<\/u>\u00a0Dolay\u0131s\u0131yla loadcell sinyalleri standart cihazlarla okunamaz. End\u00fcstriyel tart\u0131m yada terazi uygulamalar\u0131nda loadceller i\u00e7in \u00f6zel okuyucu sistemler kullan\u0131lmaktad\u0131r. Loadceller \u00e7ok d\u00fc\u015f\u00fck sinyaller verirler.Sinyal kablolar\u0131 \u00f6zellikle ekranl\u0131 ve topraklama,\u015fase d\u00fczene\u011fi \u00f6zenli bir \u015fekille yap\u0131lmal\u0131d\u0131r. E\u011fer loadcell gerektiren bir uygulaman\u0131z varsa mutlaka Loadcell \u00e7evirici elektronik cihazlar kullan\u0131n\u0131z.<\/p>\n

\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 Loadcell sinyallerini Plc ile nas\u0131l okurum ?<\/b>
Plc imalatc\u0131lar\u0131 loadcell h\u00fccreleri i\u00e7in \u00f6zel mod\u00fcller \u00fcretmi\u015ftir.Bunlardan en yayg\u0131n\u0131 Mitsubishi marka Plc\u2019lerinin \u00fcretti\u011fi LC mod\u00fcld\u00fcr.
\u00d6zel word sistemi sayesinde olduk\u00e7a hassa \u00f6l\u00e7\u00fcm yapabilen bu mod\u00fcller loadcell bilgilerini okumak i\u00e7in idealdir. G\u00fcn\u00fcm\u00fczde Baz\u0131 plc modelleri termokupl mod\u00fcllerinden loadcell okuma imkan\u0131 sunmu\u015flard\u0131r.<\/p>\n

NOT: E\u011fer birden fazla loadcell ile a\u011f\u0131rl\u0131k \u00f6l\u00e7\u00fcm\u00fc yap\u0131lacaksa loadcelller paralel ba\u011flant\u0131 yap\u0131larak \u00f6l\u00e7\u00fcm yap\u0131lmal\u0131d\u0131r. Hassasiyet konusuna gelirsek loadcellin \u00f6l\u00e7t\u00fc\u011f\u00fc a\u011f\u0131rl\u0131k miktar\u0131 artt\u0131k\u00e7a hassasiyet azal\u0131r. \u00d6rne\u011fin 1 tonluk loadcelin hassasiyeti 1kg civar\u0131d\u0131r. 100 gr hassasiyet beklemek imkans\u0131zd\u0131r. Yani kamyon a\u011f\u0131rl\u0131\u011f\u0131 tartan bir kantarla alt\u0131n tartmak imkans\u0131zd\u0131r. Haa bir kamyon alt\u0131n\u0131n\u0131z varsa tabiki tartabilirsiniz \ud83d\ude42<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Sens\u00f6r Nedir? Ne Demek? Ne \u0130\u015fe Yarar? G\u00f6revi Robot projemizde \u0131\u015f\u0131k, s\u0131cakl\u0131k, mesafe gibi fiziksel b\u00fcy\u00fckl\u00fckleri elektrik sinyallerine d\u00f6n\u00fc\u015ft\u00fcrmek ve bu bilgileri i\u015fleyecek karar mekanizmalar\u0131 kurabilmek i\u00e7in sens\u00f6rleri kullan\u0131r\u0131z. Sens\u00f6r Teknolojisi Nedir? Sens\u00f6r veya sens\u00f6rlerin birle\u015ftirilmesiyle \u00e7e\u015fitli otomasyonlar ve ak\u0131ll\u0131 projeler ger\u00e7ekle\u015ftirilmektedir. G\u00fcn\u00fcm\u00fcz\u00fcn pop\u00fcler bir konusu olan\u00a0End\u00fcstri 4.0\u00a0geli\u015fmi\u015f sens\u00f6r teknolojileriyle […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-471","page","type-page","status-publish","hentry"],"yoast_head":"\nBLOG - FERSAH OTOMASYON<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fersahotomasyon.com.tr\/?page_id=471\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BLOG - FERSAH OTOMASYON\" \/>\n<meta property=\"og:description\" content=\"Sens\u00f6r Nedir? Ne Demek? Ne \u0130\u015fe Yarar? G\u00f6revi Robot projemizde \u0131\u015f\u0131k, s\u0131cakl\u0131k, mesafe gibi fiziksel b\u00fcy\u00fckl\u00fckleri elektrik sinyallerine d\u00f6n\u00fc\u015ft\u00fcrmek ve bu bilgileri i\u015fleyecek karar mekanizmalar\u0131 kurabilmek i\u00e7in sens\u00f6rleri kullan\u0131r\u0131z. Sens\u00f6r Teknolojisi Nedir? Sens\u00f6r veya sens\u00f6rlerin birle\u015ftirilmesiyle \u00e7e\u015fitli otomasyonlar ve ak\u0131ll\u0131 projeler ger\u00e7ekle\u015ftirilmektedir. 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