SONBEST QM7903T TTL On-Board Noise Sensor Module Tus neeg siv phau ntawv
QM7903T siv tus qauv, yooj yim nkag mus rau PLCDCS thiab lwm yam twj paj nruag lossis tshuab rau kev soj ntsuam lub suab nrov hauv lub xeev ntau. Kev siv sab hauv ntawm high-precision sensing core thiab lwm yam khoom siv los xyuas kom muaj kev ntseeg siab thiab kev ruaj ntseg ntev ntev, tuaj yeem kho
Technical Parameters
Kev xaiv khoom
Product DesignRS485, TTL, DC0-3VMultiple tso zis txoj kev, cov khoom raug muab faib ua cov qauv hauv qab no nyob ntawm cov qauv tso zis.
Khoom Loj
Yuav txuas li cas?
Yuav siv li cas?
Kev sib txuas lus raws tu qauv
Cov khoom siv RS485 MODBUS-RTU qauv raws tu qauv, tag nrho cov haujlwm lossis cov lus teb yog cov ntaub ntawv hexadecimal. Qhov chaw nyob ntawm lub cuab yeej yog 1 thaum lub cuab yeej xa khoom, tus nqi baud yog 9600, 8, n, 1
1. Nyeem cov ntaub ntawv (Function id 0x03)
Nug ncej (hexadecimal), xa example: Query 1# ntaus ntawv 1 cov ntaub ntawv, lub tshuab computer xa cov lus txib: 01 03 00 00 00 01 84 0A .
Cov ntaub ntawv piav qhia: Cov ntaub ntawv hauv cov lus txib yog hexadecimal. Siv cov ntaub ntawv 1 ua tus example. 00 79 hloov mus rau tus lej lej ntawm 121. Yog tias cov ntaub ntawv nthuav dav yog 100, tus nqi tiag tiag yog 121/100 = 1.21. Lwm tus thiab lwm yam.
2. Cov ntaub ntawv chaw nyob Table
3 nyeem thiab hloov chaw nyob ntawm lub cuab yeej
(1) Nyeem lossis nug qhov chaw nyob
Yog tias koj tsis paub qhov chaw nyob ntawm lub cuab yeej tam sim no thiab tsuas muaj ib lub cuab yeej ntawm lub npav, koj tuaj yeem siv cov lus txib FA 03 00 64 00 02 90 5F Lus nug ntaus ntawv chaw nyob.
Cov lus teb yuav tsum yog nyob rau hauv cov ntaub ntawv, thawj byte 01 qhia tias qhov chaw nyob tiag tiag ntawm cov cuab yeej tam sim no yog, 55 3C hloov mus rau kaum xyoo 20182 qhia tias cov cuab yeej tseem ceeb tam sim no yog 21820, qhov kawg ob bytes 00 01 Qhia tias lub cuab yeej muaj xwm txheej kom muaj nuj nqis.
(2) Hloov chaw nyob ntawm lub cuab yeej
Rau example, yog tias qhov chaw nyob tam sim no yog 1, peb xav hloov mus rau 02, cov lus txib yog: 01 06 00 66 00 02 E8 14 .
Teb yuav tsum nyob rau hauv cov ntaub ntawv, tom qab qhov kev hloov kho tau ua tiav, thawj byte yog qhov chaw nyob tshiab ntaus ntawv. Tom qab qhov chaw nyob dav dav hloov pauv, nws yuav siv tam sim ntawd. Lub sijhawm no, tus neeg siv yuav tsum hloov cov lus nug ntawm cov software tib lub sijhawm.
4 Nyeem thiab hloov pauv tus nqi Baud
(1) Nyeem baud tus nqi
Tus ntaus ntawv lub Hoobkas baud tus nqi yog 9600. Yog tias koj xav tau hloov nws, koj tuaj yeem hloov nws raws li cov lus hauv qab no thiab cov txheej txheem sib txuas lus. Rau example, nyeem cov cuab yeej tam sim no tus baud tus nqi ID, cov lus txib yog: 01 03 00 67 00 01 35 D5 , nws hom ntawv yog parsed raws li hauv qab no.
(2) Hloov tus nqi baud
Rau example, hloov tus nqi baud ntawm 9600 rau 38400, piv txwv li hloov cov cai ntawm 3 mus rau 5, cov lus txib yog: 01 06 00 67 00 05 F8 1601 03 00 66 00 01 64 15 .
Hloov tus nqi baud ntawm 9600 mus rau 38400, hloov cov cai los ntawm 3 mus rau 5. Tus nqi baud tshiab yuav siv tam sim ntawd, thaum lub sij hawm lub cuab yeej yuav poob nws cov lus teb thiab baud tus nqi ntawm cov cuab yeej yuav tsum tau nug raws li. Hloov kho.
5 Nyeem Kev Kho Tus Nqi
(1) Nyeem Kev Kho Tus Nqi
Thaum muaj qhov yuam kev ntawm cov ntaub ntawv thiab cov qauv siv, peb tuaj yeem txo qhov kev ua yuam kev los ntawm kev kho tus nqi kho. Kev kho qhov sib txawv tuaj yeem hloov tau los ua ntxiv lossis rho tawm 1000, uas yog, tus nqi ntau yog 0-1000 lossis 64535 -65535. Rau example, thaum tus nqi zaub me dhau, peb tuaj yeem kho nws los ntawm kev ntxiv 100. Cov lus txib yog: 01 03 00 6B 00 01 F5 D6 . Hauv qhov hais kom ua 100 yog hex 0x64 Yog tias koj xav tau txo, koj tuaj yeem teeb tsa tus nqi tsis zoo, xws li -100, sib haum rau tus nqi hexadecimal ntawm FF 9C, uas yog xam raws li 100-65535 = 65435, thiab tom qab ntawd hloov mus rau hexadecimal rau 0 x f9c. Tus nqi kho yog pib ntawm 00 6B. Peb coj thawj parameter ua ib qho example. Tus nqi kho yog nyeem thiab hloov kho tib yam rau ntau yam tsis muaj.
Hauv cov ntaub ntawv teb, thawj byte 01 qhia qhov chaw nyob tiag tiag ntawm cov cuab yeej tam sim no, thiab 00 6B yog thawj lub xeev cov nqi kho tus nqi sau npe. Yog tias lub cuab yeej muaj ntau qhov tsis sib xws, lwm yam tsis ua haujlwm hauv txoj kev no. Tib yam, qhov kub thiab txias, av noo muaj qhov ntsuas no, lub teeb feem ntau tsis muaj cov khoom no.
(2) Hloov kho tus nqi
Rau example, lub xeev tam sim no kom muaj nuj nqis tsawg dhau, peb xav ntxiv 1 rau nws qhov tseeb tus nqi, thiab tus nqi tam sim no ntxiv rau 100 kev kho cov lus txib yog: 01 06 00 6B 00 64 F9 FD .
Tom qab kev ua haujlwm tiav, lub cuab yeej yuav rov qab cov ntaub ntawv: 01 06 00 6B 00 64 F9 FD, cov kev txwv yuav siv tam sim tom qab kev hloov pauv tiav.
Rau example, qhov ntau yog 30 ~ 130dB, cov zis analog yog 0 ~ 3V DC0 -3Vvoltage teeb liab, suab nrov thiab DC0-3Vvoltage Cov kev sib raug zoo ntawm kev suav yog raws li qhia hauv cov qauv: C = (A2 -A1) * (X-B1) / (B2-B1) + A1, qhov twg A2 yog suab nrov ntau qhov txwv, A1 yog qhov qis qis ntawm qhov ntau, B2 yog DC0-3Vvoltage tso zis ntau qhov txwv siab, B1 yog qhov txwv qis, X yog tus nqi tam sim no nyeem, thiab C yog xam DC0-3Vvoltage nqi. Cov npe ntawm cov txiaj ntsig uas nquag siv yog raws li hauv qab no:
Tsis lees paub
Cov ntaub ntawv no muab tag nrho cov ntaub ntawv hais txog cov khoom, tsis muab ib daim ntawv tso cai rau cov cuab yeej kev txawj ntse, tsis qhia los yog imply, thiab txwv tsis pub lwm yam txhais tau tias ntawm kev tso cai tej tswv cuab txoj cai, xws li cov nqe lus ntawm kev muag khoom nqe lus thiab tej yam kev mob ntawm cov khoom no, lwm yam teeb meem. Tsis muaj kev lav ris. Tsis tas li ntawd, peb lub tuam txhab ua tsis muaj kev lav phib xaub, qhia lossis qhia, hais txog kev muag khoom thiab kev siv cov khoom no, suav nrog kev tsim nyog rau kev siv cov khoom tshwj xeeb, kev ua lag luam lossis kev ua txhaum cai rau ib qho kev cai lij choj, kev cai lij choj lossis lwm yam khoom ntiag tug, thiab lwm yam. Cov khoom tshwj xeeb thiab cov lus piav qhia ntawm cov khoom yuav raug hloov kho txhua lub sijhawm yam tsis muaj ntawv ceeb toom.
Tiv tauj peb
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Cov ntaub ntawv / Cov ntaub ntawv
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SONBEST QM7903T TTL On-Board Noise Sensor Module [ua pdf] Tus neeg siv phau ntawv QM7903T, TTL On-Board Noise Sensor Module, Noise Sensor Module, Sensor Module |
