ams AS5311 12-Bit Matsakaicin Matsayin Ƙarfafa Matsayi na Linear tare da ABI da PWM Jagorar Mai Amfani
Babban Bayani
AS5311 babban ƙudurin maganadisu na madaidaiciyar madaidaiciyar madaidaicin lamba don ingantaccen motsi na madaidaiciyar motsi da kashe-axis jujjuyawar ji tare da ƙuduri ƙasa zuwa <0.5µm. Yana da tsarin-kan-guntu, yana haɗa abubuwan da aka haɗa Haɗe-haɗe, ƙarshen gaban analog da sarrafa siginar dijital akan guntu guda ɗaya, wanda aka haɗa a cikin ƙaramin kunshin TSSOP mai 20-pin.
Ana buƙatar tsiri na maganadisu ko zobe mai tsayin sandar 1.0mm don jin motsin juyi ko madaidaiciya. Ana sanya tsiri na maganadisu a sama da IC a nesa na bugawa. 0.3mm ku.
Cikakken ma'auni yana ba da nuni nan take na matsayi na maganadisu tsakanin igiya guda biyu tare da ƙudurin 488nm kowane mataki (12-bit akan 2.0mm). Ana samun wannan bayanan dijital azaman rafi na siriyal kuma azaman siginar PWM.
Bugu da ƙari, ana samun fitowar haɓakawa tare da ƙudurin 1.95 µm kowane mataki. Ana haifar da bugun bugun jini sau ɗaya ga kowane igiya biyu (sau ɗaya a kowace 2.0mm).Matsayin tafiya a cikin yanayin haɓaka yana zuwa 650mm/second.
Voltage mai tsarawa yana ba da damar AS5311 don aiki a ko dai 3.3 V ko 5 V. Dangane da aikace-aikacen AS5311 yana karɓar maganadiso mai nau'in igiya da yawa da maɗaurin zobe da yawa, duka radial da axial magnetized.
Don ƙarin cikakkun bayanai na fasaha, da fatan za a koma zuwa takaddar bayanan AS5311, akwai don saukewa daga ams website.
Hoto na 1:
AS5311 + Multi-pole tsiri maganadisu
Saukewa: AS5311
Bayanin hukumar
Kwamitin adaftar AS5311 wata hanya ce mai sauƙi wacce ke ba da damar gwaji da kimantawa AS5311 encoder na linzamin kwamfuta da sauri ba tare da gina na'urar gwajin ko PCB ba.
Ana iya amfani da PCB azaman naúrar kaɗaici ko haɗe zuwa microcontroller. Aiki na tsaye yana buƙatar samar da wutar lantarki 5V ko 3V3 kawai, matsayin magnet a cikin igiya biyu (tsawon 2mm) ana iya karantawa akan fitowar PWM, da matsayin dangi akan abubuwan haɓaka AB-Index.
Hoto na 2:
Saukewa: AS5311
Haɗa allon adaftar AS5311
AS5311 tana amfani da tsiri na magnetic multipole ko maganadiso na zobe tare da tsayin sanda na 1.0mm. Ya kamata a kiyaye tazarar iska tsakanin maganadisu da casing AS5311 a cikin kewayon 0.2mm ~ 0.4mm. Dole ne mariƙin maganadisu ya zama ferromagnetic.
Kayan aiki kamar tagulla, jan karfe, aluminum, bakin karfe sune mafi kyawun zaɓi don yin wannan ɓangaren.
Hoto na 3:
AS5311 adaftar allo hawa da girma
AS5311 adaftar allo da pinout
Hoto na 4:
AS5311 adaftar allo masu haɗawa da pinout encoder
Tebur 1:
Bayanin fil
| Pin#Board | Bayanin #AS5311 | Alama | Nau'in | Bayani |
| Farashin 1-1 | 8 | GND | S | Rage Taimako Voltage (VSS) |
| Farashin 1-2 | 12 | DO | DO_T | Data OƘaddamar da Interface Serial Synchronous |
| Farashin 1-3 | 13 | CLK | DI, ST | Shigar da Agogo na Serial Interface Mai Aiki tare; Shigar Schmitt-Trigger |
| Farashin 1-4 | 14 | CSn | DI_PU, ST | Chip Szaɓaɓɓu, ƙananan aiki; Shigarwar Schmitt-Trigger, resistor na ciki (~ 50kW). Dole ne ya zama ƙasa don ba da damar haɓakar abubuwan da ake samu |
| Farashin 1-5 | 18 | 3V3 | S | 3V-Mai sarrafa fitarwa; na ciki tsari daga VDD5V. Haɗa zuwa VDD5V don samar da 3V voltage. Kar a yi lodi a waje. |
| Farashin 1-6 | 19 | 5V | S | Kyakkyawar wadata Voltage, 3.0 zuwa 5.5 V |
| Farashin 1-7 | 9 | Prg | DI_PD | OTP Ci gabaramming Input don shirye-shiryen masana'anta. Haɗa zuwa VSS |
| Farashin 2-1 | 8 | GND | S | Rage Taimako Voltage (VSS) |
| Farashin 2-2 | 2 | Mag Inc | DO_OD | Filin Magnet Magnitude INCsake dawowa; ƙananan aiki, yana nuna raguwar nisa tsakanin maganadisu da saman na'urar |
| Farashin 2-3 | 3 | Mag Dec | DO_OD | Filin Magnet Magnitude DECsake dawowa; ƙananan aiki, yana nuna haɓakar nisa tsakanin na'urar da maganadisu. |
| Farashin 2-4 | 4 | A | DO | Ƙarfafa fitarwa A |
| Farashin 2-5 | 5 | B | DO | Ƙarfafa fitarwa B |
| Farashin 2-6 | 7 | Ind | DO | Fihirisar fitarwa na haɓaka. |
| Farashin 2-7 | 15 | PWM | DO | Pulse Width Modulation na kimanin. 244Hz; 1µs/mataki |
Aiki
Yanayin fitarwa PWM na tsaye
Siginar PWM (JP2 fil #7) yana ba da damar auna madaidaicin ƙimar matsayi 12-bit a cikin igiya guda biyu (2.0mm). An ƙididdige ƙimar cikin siginar da aka gyara nisa mai nisa tare da nisa 1µs a kowane mataki da 5V bugun bugun jini vol.tage za a iya haɗa shi zuwa shigarwar kama/lokaci na microcontroller don yanke darajar kwana.
Cikakkiyar fitarwar siriyal tana ƙirga daga 0….4095 a cikin nau'in sanda guda ɗaya ana maimaitawa tare da kowane nau'in sandar sanda na gaba.
Fitowar PWM yana farawa da nisa bugun bugun jini na 1µs, yana ƙara faɗin bugun bugun jini tare da kowane mataki na 0.488µm kuma ya kai matsakaicin girman bugun bugun jini na 4097µs a ƙarshen kowane ɗayan sandar sanda. Dubi takaddar bayanan AS5311 don ƙarin cikakkun bayanai kan fitarwar PWM.
An gyara mitar PWM a ciki zuwa daidaito na ₱5% (10% sama da cikakken kewayon zafin jiki.
Hoto na 6:
Zagayen aikin PWM ya danganta da matsayin maganadisu
Amfani da serial dubawa tare da MCU
Mafi cikakken kuma ingantaccen bayani ga MCU don karanta kusurwar maganadisu shine keɓancewar siriyal.
Ƙimar 12 bit na kusurwa za a karanta kai tsaye, da wasu alamomi kamar yadda bayanin ƙarfin maganadisu ko ƙararrawa za a iya karantawa a lokaci guda.
Haɗin kai tsakanin MCU da allon adaftar ana iya yin shi da wayoyi 3.
3-waya serial interface
Serial dubawa yana ba da damar watsa bayanai na cikakken bayanin matsayi na madaidaiciyar 12-bit (a cikin guda biyu na sandar sanda = 2.0mm). Bayanan bayanai D11:D0 suna wakiltar bayanin matsayi tare da ƙuduri na 488nm (2000µm / 4096) kowane mataki. CLK dole ne ya zama babba a gefen faɗuwar CSn.
Idan CLK yayi ƙasa a gefen faɗuwar CSn, farkon 12 ragowa suna wakiltar bayanin girma, wanda yayi daidai da ƙarfin filin maganadisu.
Hoto na 7:
Haɗin serial bidirectional
Kit abun ciki
Tebur 2:
Kit abun ciki
| Suna | Bayani | Qty |
| AS5311-TS_EK_AB | AS5311 Linear Encoder Adaftar allo | 1 |
| Saukewa: AS5000-MS10-H075-100 | Multipole Magnet tsiri | 1 |
AS5311 adaftar allo
Ƙarƙashin ƙira da shimfidar allon adaftar na iya zama fo
5311-TS_EK_AB-1.1 tsari
Hoto na 8:
Bayanan Bayani na AS5311-AB-1.1
AS5311-TS_EK_AB-1.1 Tsarin PCB
Hoto na 9:
AS5311-AB-1.1 adaftar allon allo
Haƙƙin mallaka
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Takardu / Albarkatu
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ams AS5311 12-Bit Matsakaicin Matsayi na Ƙarfafa Madaidaiciya tare da ABI da Fitar PWM [pdf] Manual mai amfani AS5311 12-Bit Fitar Matsayin Ƙarfafa Madaidaicin Layi tare da ABI da Fitar PWM, AS5311, 12-Bit Matsakaicin Ƙarfafa Matsayin Matsayi tare da ABI da Fitar PWM, 12-Bit Matsakaicin Ƙarfafa Matsayin Lissafi, Sensor Matsayin Ƙarfafa madaidaiciya, Maƙasudin Matsayi, Ƙarar Matsayi |
