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Nyob rau hauv automated industrial ntau lawm thiab pej xeem hnyav tshuab, feem ntau ntawm cov pa analog teeb liab load hlwb siv. Lub analog load hlwb tam sim no nyob rau hauv kev siv, vim lub analog teeb liab generated los ntawm lub hauv paus ntsiab lus ntawm kuj-strain conversion, yuav tsum dhau lub analog teeb liab nyob rau hauv daim ntawv thov. transmitter rau hauv analog voltage lossis analog tam sim no. Nws tau sau ntau qhov kev paub dhau los hauv kev tsim khoom, kev them nyiaj hluav taws xob thiab kev hloov kho, teeb liab txias, thiab lwm yam, yog li nws muaj ntau yam kev siv. Txawm li cas los xij, nws cov teeb liab tso tawm me me, qhov kev sib kis tau luv luv, lub peev xwm los tiv thaiv kev cuam tshuam tsis zoo, cov khoom them nyiaj cuam tshuam nrog ib leeg, thiab cov nyiaj them nqi hluav taws xob thiab cov txheej txheem hloov kho yog qhov nyuaj, uas tsis yog siv sij hawm thiab ua haujlwm xwb. intensive, tab sis kuj muaj tsawg them nyiaj raug; Lub ntsuas ntsuas ntsuas qhov hnyav yog qhov nyuaj, thiab kev teeb tsa thiab kev debugging tsis yooj yim. Cov teeb meem xws li congenital defects txiav txim rau txoj kev loj hlob ntawm analog load hlwb nyob rau hauv cov kev taw qhia ntawm cov digital, uas tsuas yog parasitic nyob rau hauv lub digital conversion unit sab nraum lub strain choj los hloov lub analog teeb liab mus rau hauv ib tug digital teeb liab.
Yog li ntawd, txoj kev hloov pauv digital tau tshwm sim. Ib qho yog los hloov cov teeb liab tso zis ntawm ib qho analog load cell mus rau hauv cov teeb liab tso tawm los ntawm lub tshuab xa hluav taws xob hauv nws, uas feem ntau hu ua digital load cell. Namely: analog load cell plus digital transmitter=digital load cell
Cov digital sensor txais kev sib koom ua ke A / D hloov pauv hloov hluav taws xob, cov teeb liab kis tau tus mob thiab cov tshuab lim digital. Lub teeb liab kis tau tus mob nyob deb ntawm lub sensor yog ntev, thiab lub peev xwm los tiv thaiv kev cuam tshuam muaj zog. Nyob rau tib lub sij hawm, lub sensor nws tus kheej yog ib tug zoo shielding npog. Tsuas yog ob qho no Cov yam ntxwv txiav txim siab qhov zoo ntawm nws lub peev xwm los tiv thaiv kev cuam tshuam, uas zoo heev txhim kho kev ruaj ntseg ntawm lub sensor. Cov xovtooj ntawm tes hloov pauv cov teeb liab analog teeb liab rau hauv cov teeb liab siab-precision RS485, uas tuaj yeem ua tsis tau calibration. Nws yog siv rau hauv kev tswj hwm kev lag luam thiab tuaj yeem siv rau kev xa cov ntaub ntawv ncaj qha nrog PLC lossis thauj cov ntaub ntawv ntawm cov cuab yeej ntse thiab lwm yam kev siv. hloov mus rau hauv lub teeb liab digital.
