Yawan (Saiti) | 1 - 100 | >100 |
Est. Lokaci (kwanaki) | 7 | Don a yi shawarwari |
A cikin hanyoyin aiki guda uku na sama, MDL311 na iya aikawa da karɓar bayanai, kuma ma'aunin da aka ambata a sama ana auna bayanai.
Fasahar LoRa tana da haɓakar karɓar karɓa mai girma (RSSI) da rabon sigina-zuwa-amo (SNR), haɗe tare da ƙirar mallakarmu da fasahar lalata, samfurin mara waya ta LoRa yana da ƙarfin hana tsangwama da kwanciyar hankali da ingantaccen aikin samfur.
Wiring tashar jiragen ruwa
MDL311 yana ba da nau'ikan mu'amalar wutar lantarki iri biyu, nau'ikan mu'amalar wutar lantarki guda biyu kawai za su iya zaɓar ɗaya don amfani, ba za a iya haɗa su a lokaci guda ba.
Vin + GND: Wutar wutar lantarki na wannan kewayon shine DC 5 ~ 30V;
BAT + BAT-: Ƙarfin wutar lantarki na wannan kewayon shine 3.4 ~ 4.2V.
Serial Port
RS232 (RXD, TXD, GND) da 485 dubawa suna alama akan panel, kuma ɗaya daga cikinsu kawai za a iya zaɓar;
Idan aka yi amfani da shi a lokaci guda, ya zama dole don tabbatar da cewa tashoshin jiragen ruwa guda biyu na DTU sun kasance masu tasowa a lokacin karɓar bayanan tashar tashar jiragen ruwa, in ba haka ba za a sami rikici.
Samfurin jerin MDL yana ɗaukar 32-bit ARM low-power CPU, da keɓaɓɓen fasahar sadarwar RF na fasahar Mind, wanda ke sa samfurin jiran aiki ya zama ƙasa da 50uA.
A amfani da wutar lantarki na 50uA, na'urar MDL har yanzu tana cikin yanayin aiki kuma tana iya karɓa da aika bayanai a kowane lokaci, wanda ba shine amfani da wutar lantarki a ƙarƙashin barci ba.
* Ana auna duk bayanan da ke sama a cikin "yanayin fifikon wutar lantarki".
Cibiyar sadarwa AD-hoc mai sassauƙa da ƙarfi
Sadarwar watsa shirye-shirye
A cikin wannan hanyar sadarwa, kowace na'ura tana sadarwa da juna.
Sadarwar batu-point
A cikin hanyar sadarwa guda ɗaya, ana iya samun nasarar sadarwar batu tsakanin kowace na'ura biyu.
Sadarwar Multicast
A cikin hanyar sadarwa iri ɗaya, ana iya saita na'urori guda ɗaya ko da yawa azaman ƙungiya don fahimtar sadarwa tsakanin ƙungiyoyi
*Hanyoyin sadarwar guda uku na sama ana iya haɗa su a cikin hanyar sadarwa ɗaya.
* MDL311 daidaitawa 4G DTU na iya saita ƙofa ta LoRa cikin sauƙi kuma ta fahimci watsa bayanan nesa.
Baya ga yin amfani da layin tashar tashar jiragen ruwa na gida don saita sigogi kai tsaye, kayan aikin Mind LoRa kuma suna goyan bayan daidaitawa mara waya ta sigogin na'ura mai nisa.
Kamar yadda aka nuna a hoton da ke sama:
Ana haɗa na'ura A zuwa kwamfutar ta hanyar kebul na tashar tashar jiragen ruwa. Yin amfani da software mai hoto mai hoto wanda kamfaninmu ya samar, ana iya daidaita sigogin na'urar gida cikin dacewa da sauri, kuma ana iya daidaita sigogin na'urar nesa ta hanyar hanyar sadarwa mara waya ta B.
*Don saita sigogi a yanayin mara waya, ya zama dole a tabbatar da cewa na'urar gida da na'urar nesa suna cibiyar sadarwa iri ɗaya.
Hali | Bayani |
Tushen wutan lantarki | Port Port: DC 5V ~ 30V |
(Moni guda ɗaya kawai za a iya zaɓar) | Baturi Port: 3.5V ~ 5V |
Yawanci | 433MHz tsoho ne 400MHz ~ 520MHz daidaitacce |
RF watsa iko | Tsohuwar: 20dBm / 100mW |
Amfanin Wuta T (yanayin fifikon wutar lantarki) | @12V DC RF Power: 20dBm |
Mafi girman halin yanzu na watsa bayanai ≈60mA | |
Mafi kyawun karɓar bayanai na yanzu ≈20mA | |
Matsakaicin Rago aiki na yanzu ≈15uA | |
@3.7V BAT RF Power: 20dBm | |
Mafi girman halin yanzu na watsa bayanai ≈140mA | |
Mafi kyawun karɓar bayanai na yanzu ≈15mA | |
Matsakaicin Rage aiki a halin yanzu ≈50uA | |
Nisa watsa mara waya | Yanayin fifikon wutar lantarki 3Km |
Daidaitaccen yanayin aiki 6km | |
Yanayin fifiko na nisa 8Km | |
*An auna nisa cikin buɗaɗɗen yanayi da bayyane. | |
Yawan watsawa | 0.018 ~ 37.5Kbps |
Karɓi hankali | -139dBm Max |
Antenna Connector | 50Ω SMA mace |
Sigar tashar tashar jiragen ruwa | RS232/RS485 matakin, Baudrate:1200~38400bps, Data bits: 7/8, |
Daidaituwa: N/E/O, Tsayawa rago: 1/2bits | |
Zazzabi da kewayon zafi | Yanayin aiki: -25 ℃ ~ + 70 ℃ |
Adana zafin jiki: -40 ℃ ~ + 85 ℃ | |
Dangantakar zafi: <95%, babu tauri | |
Halayen jiki | Tsawon: 90.5mm, nisa: 62.5mm Tsayi: 23.5mm |