Isebenza ku-Cat 330D/336D inzwa yomfutho kawoyela EX2CP54-12

Inzwa yokucindezela inokunemba okuphezulu nephutha elinengqondo, futhi isinxephezelo sephutha senzwa yokucindezela siyisihluthulelo sokusetshenziswa kwayo. Inzwa yokucindezela ngokuyinhloko ihlanganisa iphutha le-offset, iphutha lokuzwela, iphutha lomugqa kanye nephutha le-hysteresis. Leli phepha lizokwethula indlela yala maphutha amane kanye nomthelela wawo emiphumeleni yokuhlola, futhi ngesikhathi esifanayo lethule indlela yokulinganisa ingcindezi nezibonelo zohlelo lokusebenza ukuze kuthuthukiswe ukunemba kokulinganisa.

Njengamanje, kunezinhlobo eziningi zezinzwa emakethe, okwenza onjiniyela bokuklama bakwazi ukukhetha izinzwa zokucindezela ezidingwa uhlelo. Lezi zinzwa azihlanganisi kuphela iziguquli eziyisisekelo kakhulu, kodwa futhi nezinzwa eziyinkimbinkimbi kakhulu ezihlanganisa ama-on-chip circuits. Ngenxa yalokhu kuhluka, unjiniyela wokuklama kufanele abuyisele iphutha lokulinganisa lenzwa yokucindezela ngangokunokwenzeka, okuyisinyathelo esibalulekile sokuqinisekisa ukuthi inzwa ihlangabezana nezidingo zokuklama nesicelo. Kwezinye izimo, isinxephezelo singase futhi sithuthukise ukusebenza okuphelele kwenzwa kuhlelo lokusebenza.

I-offset, ukulinganisa ububanzi kanye nesinxephezelo sezinga lokushisa konke kungabonakala ngenethiwekhi ye-resistor yefilimu emincane, elungiswa nge-laser ohlelweni lokupakisha.

Inzwa ivamise ukusetshenziswa ngokuhlanganiswa ne-microcontroller, futhi isofthiwe eshumekiwe ye-microcontroller ngokwayo isungula imodeli yezibalo yenzwa. Ngemva kokuba i-microcontroller ifunde i-voltage ephumayo, imodeli ingaguqula i-voltage ibe inani lokulinganisa ingcindezi ngokuguqulwa kwesiguquli se-analog-to-digital.

Imodeli yezibalo elula yenzwa umsebenzi wokudlulisa. Imodeli ingenziwa kahle kuyo yonke inqubo yokulinganisa, futhi ukuvuthwa kwemodeli kuzokhula ngokwanda kwamaphoyinti okulinganisa.

Ngokombono we-metrology, iphutha lokulinganisa linencazelo eqinile kakhulu: limelela umehluko phakathi kwengcindezi elinganisiwe kanye nengcindezi yangempela. Kodwa-ke, ingcindezi yangempela ayikwazi ukutholwa ngokuqondile, kodwa ingalinganiselwa ngokuthatha izindinganiso ezifanele zokucindezela. Izazi ze-metrologist zivame ukusebenzisa amathuluzi okunemba kwawo okungenani okuphindwe izikhathi ezingu-10 kunalokho okokusebenza okulinganiselwe njengamazinga wokulinganisa.

Ngoba isistimu engalinganisiwe ingasebenzisa kuphela ukuzwela okujwayelekile kanye namavelu e-offset ukuguqula i-voltage ephumayo ibe iphutha lokucindezela.