Przetwornik 4-20mA/0-5V?

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Przetwornik 4-20mA/0-5V? - Forum Elektroniczne

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norbi07: Raczkujący użytkownik 1; Posty: 2; Rejestracja: wt 25 lut 2003, 13:24

Przetwornik 4-20mA/0-5V?

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Postautor: norbi07 » wt 25 lut 2003, 13:33

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Łukasz: Raczkujący użytkownik 1; Posty: 8; Rejestracja: ndz 23 lut 2003, 15:34; Lokalizacja: Kraków; Kontaktowanie:
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WLM

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Postautor: Łukasz » śr 26 lut 2003, 21:56

Proszę bardzo to jest przetwornik I/U na jednym wzmacniaczu operacyjnym o nieco szerszym zakresie.
Regulacja polega na podaniu na wejście prądu 4mA i ustawieniu napięcia wyjściowego na 0 poprzez kręcenie PR-ką 470, następnie podajemy 20mA i za pomocą PR-ki 33k ustawiamy odpowiednie wzmocnienie aby na wyjściu było 5 V. W przypadku zmiany wartości napięcia zasilania należy odpowiednio zmienić rezystor 1,6k. (schemat w załączniku)[/img]

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norbi07: Raczkujący użytkownik 1; Posty: 2; Rejestracja: wt 25 lut 2003, 13:24

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Postautor: norbi07 » pt 28 lut 2003, 16:08

Dzieki za schemat - tylko nie wiem czy bede mogl go zastosowac u mnie bede sie musial zastanowic i policzyc blad pomiaru - Ale dzieki za pomysl.
Pozdrawiam
norbi07

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