Khoom tseem ceebFeem ntau muaj peb txoj kev cai:Tuaj yeem, uart / 485, thiab modbus.
1. Yuav ua txhaum cai
Test Tool:Cantest
- Baud tus nqi:250k
- Hom Phaj:Txheem thiab txuas cov thav ntawv. Feem ntau, cov ncej txuas ntxiv yog siv, thaum lub sijhawm txheem qauv yog rau ob peb customized bms.
- Kev Sib Txuas Lus Hom:Cov Ntaub Ntawv ID ntawm 0x90 txog 0x98nkag tau rau cov neeg siv khoom. Lwm tus ID tsis siv tau yooj yim lossis hloov kho los ntawm cov neeg siv khoom.
- PC software rau BMS: Qhov tseem ceeb + Data ID + Data Chaw Nyob + PC software chaw nyob, piv txwv li 0x18100140.
- BMS teb rau PC software: Qhov Tseem Ceeb + Data ID + Cov Ntaub Ntawv ID + PC Software Chaw Nyob, piv txwv li 0x18104001.
- Nco ntsoov txoj haujlwm ntawm PC software chaw nyob thiab BMS chaw nyob. Qhov chaw nyob tau txais cov lus txib los ua ntej.
- Cov Ntaub Ntawv Sib Txuas Lus: Cov ntsiab lus ntsiab lus:Piv txwv li, hauv lub roj teeb ua txhaum xwm txheej nrog kev ceeb toom thib ob ntawm cov hluav taws xob tsawg, qhov no yog 10000000, qhov twg 0 txhais tau tias yog ib txwm thiab 1 txhais tau tias lub tswb. Raws li Dalaly's High-Le-Ot-txoj cai txhais, qhov no sib raug rau Bit7: cov lus ceeb toom ntawm cov khoom siv tag nrho.
- Tswj tus ID:Chargging Mos: Da, tawm tsam Al: D9. 00 txhais tau tias ntawm, 01 txhais tau tias tawm.
2.Uart / 485 raws tu qauv
Test Tool:Com Serial twj
- Baud tus nqi:9600bps
- Kev Sib Txuas Lus Hom:Checksum Xam txheej txheem:Lub checksum yog cov lej ntawm txhua cov ntaub ntawv yav dhau los (tsuas yog qhov tsawg byte yog noj).
- PC software rau BMS: ncej header + Kev sib txuas lus module chaw nyob (Upper-ntxiv) + Data cov ntsiab lus + cov ntsiab lus cov ntaub ntawv + tshev.
- BMS teb rau PC software: Cov tswv yim ncej + Kev sib txuas lus module Chaw Nyob (BMS-Add) + Data Cov Ntsiab Lus + Cov Ntsiab Lus.
- Cov Ntaub Ntawv Sib Txuas Lus: Cov ntsiab lus ntsiab lus:Tib yam li muaj tau.
3. Modbus raws tu qauv
Test Tool:Com Serial twj
- Kev Sib Txuas Lus Hom:
- Cov Lus Qhia Hom Ntawv:Nyeem Npe, Thov Tso Cai
- Byte: 0 | 1 | | | | | | 6 | 7
- Cov lus piav qhia: 0xd2 | 0x03 | Pib Chaw Nyob | Cov naj npawb ntawm cov ntawv sau npe (n) | CRC-16 checksum
- Piv txwv li: D203000C000157AA. D2 yog qhov chaw nyob qhev, 03 yog qhov kev nyeem cov lus txib, 000C yog qhov chaw nyob pib, 0001 txhais tau tias muaj pes tsawg tus sau npe los nyeem yog 1, thiab 57Aa yog CRC chc.
- Tus qauv teb thav duab:
- Byte: 0 | 1 | | | | | | 6 | | | 8
- Cov lus piav qhia: 0xd2 | 0x03 | Cov ntaub ntawv ntev | Tus nqi ntawm 1St cuv npe | Tus nqi ntawm cov ntawv tshaj tawm CRC-16 checksum
- L = 2 * n
- Piv txwv li: N yog tus naj npawb ntawm cov ntawv sau npe, d203020001FC56. D2 yog qhov chaw nyob qhev, 03 yog qhov kev hais kom nyeem, 0001 txhais tau tias tus nqi ntawm tus tswv tsev txib, thiab FC56 yog CRC checkum.
- Cov Lus Qhia Hom Ntawv:Nyeem Npe, Thov Tso Cai
- Sau npe:Byte1 yog 0x06, qhov twg 06 yog cov lus txib kom sau ib txoj kev tuav npe, byte4-5 sawv cev rau tus tswv kev hais kom ua.
- Tus qauv teb thav duab:Tus qauv teb ncej rau kev sau ib txoj kev tuav npe ua raws tib hom ntawv uas yog qhov kev thov.
- Sau ntau cov ntaub ntawv sau npe:Byte1 yog 0x10, qhov twg 10 yog cov lus txib kom sau ntau cov ntaub ntawv sau npe, byte4-5 sawv cev qhov ntev ntawm cov ntawv sau npe, thiab byte6-7 sawv cev cov ntsiab lus cov ntaub ntawv.
- Tus qauv teb thav duab:Byte2-3 yog qhov chaw nyob pib ntawm cov ntawv sau npe, byte4-5 sawv cev qhov ntev ntawm cov ntawv sau npe.
Lub Sijhawm Post: Jul-23-2024
