Smart Weigh tau cog lus los pab cov neeg siv khoom nce kev tsim khoom ntawm tus nqi txo.
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Smart Weigh tau cog lus los pab cov neeg siv khoom nce kev tsim khoom ntawm tus nqi txo.
Author: Smartweigh-Multihead Weighter
CAN (CantrollerAreaNetwork) system tsheb npav, uas yog, tswj vaj huam sib luag hauv cheeb tsam network system tsheb npav, tau siv dav hauv kev tswj hwm kev lag luam, khoom siv hluav taws xob thiab kev lag luam sensor. CAN tsheb npav raws tu qauv muaj 2 lub teb chaws tus qauv, xws li ISO11898 thiab ISO011519. Ntawm lawv, ISO11898 yog kev sib txuas lus ceev ceev, kev sib txuas lus ceev yog 125kbps ~ 1Mbps; Qhov kev sib txuas lus loj dua yog 40m / 1Mbps, uas yog nyob rau hauv lub kaw lus tswj lub tsheb npav.
ISO011519 yog qhov kev sib txuas lus ceev ceev nrog kev sib txuas lus ceev ntawm 10kbps txog 125kbps. Qhov kev sib txuas lus loj dua yog 1Km / 40kbps, uas yog nyob rau ntawm qhov qhib-voj kis tau tus mob multihead weighter function system tsheb npav. Qhov siab tshaj plaws ntawm cov ntsiab lus sib txuas ntawm CAN tsheb npav yog 110 vim tias muaj kev phom sij ntawm qhov system tsheb npav tiv thaiv thiab cov resistor rau lub system tsheb npav waveform.
Yog tias qhov tau txais thiab xa qhov kawg serial chaw nres nkoj baud tus nqi thiab cov tsis muaj qhov tseem ceeb yog qhov tsim nyog, cov ntaub ntawv synchronization ntawm qhov tau txais thiab xa cov ntsiab lus tuaj yeem ua tiav. Nws tuaj yeem xa cov ntaub ntawv ntau lub taub hau los ntawm ntau txoj hauv kev xws li point-to-point, point-to-multipoint thiab thoob ntiaj teb kev tshaj tawm xov xwm. Thaum muaj ib qho kev sib txuas ntawm lub npav CAN kom xa cov ntaub ntawv, nws raug xa mus rau txhua qhov kev sib txuas hauv Is Taws Nem hauv hom lus.
Rau txhua qhov kev sib txuas, cov ntaub ntawv xov xwm tau txais txawm tias nws raug xa mus rau nws tus kheej lossis tsis. Tus cim 11-ntsis thaum pib ntawm txhua pab pawg ntawm cov lus tawm tswv yim yog tus cim, uas txhais tau qhov tseem ceeb ntawm cov lus hom. Cov lus qhia hom ntawv yog tshwj xeeb hauv tib lub system software, txwv tsis pub kev sib txuas lus yuav tsis raug; cov txheej txheem tag nrho yog raws li hauv qab no: thaum lub chaw nres tsheb xav xa cov ntaub ntawv mus rau lwm qhov chaw nres tsheb, CPU ntawm qhov chaw nres tsheb no xa cov ntaub ntawv cov ntaub ntawv thiab nws tus kheej tus cim. Lub CAN integrated ic ntawm lub vev xaib no yog nyob rau hauv lub xeev ntawm kev npaj ua ntej; thaum nws tau txais kev xa tawm los ntawm lub tsheb npav, nws dhau los ua lub xeev ntawm cov lus thawb tawm.
Lub CAN integrated ic xa cov ntaub ntawv teeb liab multihead weighter cov ntaub ntawv mus rau ib tug tej yam lus hom raws li txoj cai thiab xa mus rau lub system tsheb npav. Lub sijhawm no, lwm qhov chaw nres tsheb ntawm lub tsheb npav hauv lub xeev tau txais, thiab txhua qhov chaw nres tsheb hauv lub xeev tau txais cov lus teb rau cov lus tau txais. Cov ntawv nyeem yog kuaj, thiab yog tias nws raug xa mus rau nws tus kheej, cov ntaub ntawv txheeb xyuas cov ntaub ntawv yog nqa tawm. Yuav ua li cas yog tias muaj ntau lwm cov ntaub ntawv yuav tsum tau xa mus thaum lub system tsheb npav dawb? Ua ntej, hom ntawv ntawm lwm cov lus thawb tau txais thiab qhov txawv. Leej twg muaj qhov tseem ceeb tshaj plaws yuav nyob hauv lub tsheb npav, thiab lwm tus yuav raug tso tseg. Piv txwv li: chaw nres tsheb 1, chaw nres tsheb 2, chaw nres tsheb 3 kuj thawb cov lus hom rau lub tsheb npav: 011111, 0100110, 0100111; lub tsheb npav yuav paub qhov txawv ntawm cov lus, thawj ob tus lej yog tib yam, thiab tom qab ntawd paub qhov txawv tus lej thib peb, qhov chaw nres tsheb 1 Qhov thib peb yog 1, cov lus yuav raug tso tseg, tsuas yog chaw nres tsheb 2 thiab chaw nres tsheb 3 yog sab laug, hauv uas thawj rau cov khoom ntawm ob lub chaw nres tsheb yog tib yam, thiab xya ntsis ntawm chaw nres tsheb 3 yog 1, uas tseem yuav raug tso tseg, thiab thaum kawg nkaus xwb Cov xov xwm ntawm chaw nres tsheb 2 tau txais kev cawmdim, lwm qhov chaw nyob hauv lub xeev tau txais, thiab nws tsis yooj yim rau thawb cov lus hom ua ntej lub tsheb npav yuav dawb dua.
Qhov no yog qhov kev txhawb zog ntawm lub system tsheb npav multihead hnyav ntawm CAN kev sib txuas lus;.
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