ams AS5311 12-Bit Linear Isikhundla esongezelelweyo soVavanyo kunye ne-ABI kunye ne-PWM yeSiphumo soMsebenzisi
Inkcazo ngokubanzi
I-AS5311 sisisombululo esiphakamileyo samagnetic isikhowuda esichanekileyo somgca ochanekileyo kunye nemvakalelo ejikelezayo engaphandle kwe-axis enesisombululo ezantsi ukuya ku-<0.5µm. I-system-on-chip, ukudibanisa izinto ezidibeneyo zeHolo, isiphelo sangaphambili se-analog kunye nokulungiswa kwesignali yedijithali kwi-chip eyodwa, ehlanganiswe kwiphakheji encinci ye-20-pin ye-TSSOP.
Umcu wemagnethi eninzi okanye iringi enobude bepali eyi-1.0mm iyafuneka ukuze uve intshukumo ejikelezayo okanye yomgca. Umcu wemagnethi ubekwe ngaphezulu kwe-IC kumgama wokuchwetheza. 0.3mm.
Umlinganiselo opheleleyo ubonelela ngesalathiso esikhawulezileyo sendawo yemagnethi ngaphakathi kweperi enye yepali enesisombululo se-488nm ngenyathelo (i-12-bit ngaphezulu kwe-2.0mm). Le datha yedijithali ifumaneka njenge-serial bit stream kunye ne-signal ye-PWM.
Ngaphaya koko, isiphumo esongezelekayo siyafumaneka ngesisombululo se-1.95 µm ngenyathelo ngalinye. I-index pulse yenziwa kube kanye kwi-pole pair (kanye nge-2.0mm) .
Umqulu wangaphakathitagumlawuli we-e uvumela i-AS5311 ukuba isebenze nokuba yi-3.3 V okanye i-5 V yokubonelela. Ngokuxhomekeke kwisicelo, i-AS5311 yamkela iimagnethi zemigca emininzi kunye neemagnethi zeringi ezininzi, zombini i-radial kunye ne-axial magnetized.
Ngeenkcukacha ezithe vetshe ngobuchule, nceda ujonge kwi-AS5311 yedata, ekhoyo ukuba ikhutshelwe kwi-ams webindawo.
Umfanekiso 1:
AS5311 + Multi-pali strip umazibuthe
Ibhodi yeadaptha ye-AS5311
Inkcazo yebhodi
Ibhodi yeadaptha ye-AS5311 yisekethe elula evumela uvavanyo kunye nokuvavanya i-AS5311 ye-encoder yomgca ngokukhawuleza ngaphandle kokwakha uvavanyo lokuvavanya okanye i-PCB.
I-PCB ingasetyenziswa njengeyunithi ezimeleyo okanye idityaniswe kwi-microcontroller. Ukusebenza okuzimeleyo kufuna kuphela i-5V okanye i-3V3 unikezelo lwamandla, indawo yemagnethi kwiperi yepali (ubude be-2mm) inokufundwa kwimveliso ye-PWM, kunye nendawo ehambelanayo kwiziphumo ezikhulayo ze-AB-Index.
Umfanekiso 2:
I-AS5311 Adapterboard
Ukunyuswa kwebhodi yeadaptha ye-AS5311
I-AS5311 isebenzisa i-magnetic multipole strip okanye i-ring magnets enobude bepali eyi-1.0mm. I-airgap phakathi kwemagnethi kunye ne-AS5311 casing kufuneka igcinwe kuluhlu lwe-0.2mm ~ 0.4mm. Isibambi semagnethi akufuneki sibe yi-ferromagnetic.
Izinto ezinjengobhedu, ubhedu, i-aluminium, insimbi engenasici yizona zikhetho ezifanelekileyo ukwenza le nxalenye.
Umfanekiso 3:
Ukufakwa kwebhodi yeadaptha ye-AS5311 kunye nobukhulu
Ibhodi yeadaptha ye-AS5311 kunye nepinout
Umfanekiso 4:
AS5311 izihlanganisi ibhodi iadaptha kunye encoder pinout
Uluhlu 1:
Inkcazo yephini
| Iphini#Ibhodi | I-Pin#AS5311 | Uphawu | Uhlobo | Inkcazo |
| JP1 – 1 | 8 | GND | S | Unikezelo olungalunganga Voltage (VSS) |
| JP1 – 2 | 12 | DO | YENZA_T | Duya Oimveliso yeNdibaniselwano yothotho lweNdibaniselwano |
| JP1 – 3 | 13 | CLK | DI, ST | iNgeniso yeKloko yeNdibaniselwano yothotho lweSynchronous; Schmitt-Trigger igalelo |
| JP1 – 4 | 14 | CSn | DI_PU,ST | Chip Snyula, sebenza phantsi; Igalelo le-Schmitt-Trigger, i-internal pull-up resistor (~ 50kW). Kufuneka ibephantsi ukwenza iziphumo ezongezelelekileyo |
| JP1 – 5 | 18 | 3V3 | S | Imveliso ye-3V-Regulator; ilawulwa ngaphakathi ukusuka kwi-VDD5V. Qhagamshela kwi-VDD5V ye-3V yokubonelela ngevolthitage. Musa ukulayisha ngaphandle. |
| JP1 – 6 | 19 | 5V | S | Unikezelo olulungileyo Voltage, 3.0 ukuya ku-5.5 V |
| JP1 – 7 | 9 | Prg | DI_PD | OTP Inkqubelaramming Igalelo lodweliso lwefektri. Qhagamshela kwiVSS |
| JP2 – 1 | 8 | GND | S | Unikezelo olungalunganga Voltage (VSS) |
| JP2 – 2 | 2 | I-Mag Inc | YENZA_OD | IMagnet Field Magubuntu INCukuvuselela esebenzayo esezantsi, ibonisa ukucuthwa komgama phakathi kwemagnethi nomphezulu wesixhobo |
| JP2 – 3 | 3 | NgoDisemba | YENZA_OD | IMagnet Field Magubuntu DECukuvuselela esebenzayo ephantsi, ibonisa ukunyuka komgama phakathi kwesixhobo kunye nemagnethi. |
| JP2 – 4 | 4 | A | DO | Isiphumo esongezelelweyo A |
| JP2 – 5 | 5 | B | DO | Isiphumo esongezelelweyo B |
| JP2 – 6 | 7 | Ind | DO | Isalathiso sesiphumo esongeziweyo. |
| JP2 – 7 | 15 | PWM | DO | Pulse Width Modulation of approx. 244Hz; 1µs/inyathelo |
Ukusebenza
Imo yemveliso yePWM ezimeleyo
Umqondiso we-PWM (i-JP2 pin #7) ivumela ukulinganisa ixabiso le-12-bit elipheleleyo lendawo ngaphakathi kweperi enye yepali (2.0mm). Ixabiso lifakwe ngekhowudi kububanzi be-pulse emoduliweyo yesiginali ene-1µs yobubanzi bepulse ngenyathelo ngalinye kunye ne-5V pulse vol.tagi-e inokudityaniswa nokubamba/igalelo lexesha le-microcontroller ukwenzela ukuba ichaze ixabiso le-angle.
Isiphumo esipheleleyo sothotho lubala ukusuka ku-0….4095 phakathi kweperi enye yepali ngokuphinda ngeperi nganye elandelayo.
Imveliso ye-PWM iqala ngobubanzi be-pulse ye-1µs, inyusa ububanzi be-pulse ngenyathelo ngalinye le-0.488µm kwaye ifikelele kububanzi be-pulse ububanzi be-4097µs ekupheleni kweperi nganye yepali. Jonga i-AS5311 yedata yeenkcukacha ezithe vetshe ngemveliso ye-PWM.
I-frequency ye-PWM isikwe ngaphakathi ukuchaneka kwe-5% (10% ngaphezu koluhlu olupheleleyo lobushushu
Umfanekiso 6:
Umjikelo womsebenzi wePWM ngokuxhomekeke kwindawo umazibuthe
Ukusebenzisa i-serial interface kunye ne-MCU
Esona sisombululo sigqibeleleyo nesichanekileyo sokuba iMCU ifunde i-engile yemagnethi lujongano lweserial.
Ixabiso le-12 bit ye-angle iya kufundwa ngokuthe ngqo, kwaye ezinye izikhombisi njengolwazi lwamandla ombane okanye i-alarm bits zinokufundwa ngexesha elinye.
Ukudibanisa phakathi kwe-MCU kunye nebhodi ye-adapter inokwenziwa ngeengcingo ezi-3.
I-3-wire serial interface
Ujongano lweSerial luvumela ukuhanjiswa kwedatha ye-12-bit yolwazi olupheleleyo lwendawo yomgca (ngaphakathi kweperi enye yepali = 2.0mm). Amasuntswana edatha D11:D0 amele ulwazi lwendawo enesisombululo se-488nm (2000µm / 4096) ngenyathelo ngalinye. I-CLK kufuneka ibe phezulu kumda wokuwa we-CSn.
Ukuba i-CLK iphantsi kwinqanaba eliwayo le-CSn, i-bits yokuqala ye-12 imele ulwazi lobungakanani, oluhambelana namandla amagnetic field.
Umfanekiso 7:
Uqhagamshelo lwesibini lwesibini
Umxholo weKit
Uluhlu 2:
Umxholo weKit
| Igama | Inkcazo | Qty |
| AS5311-TS_EK_AB | AS5311 Linear Encoder Adapter ibhodi | 1 |
| AS5000-MS10-H075-100 | Multipole Magnet strip | 1 |
AS5311 i-adaptha ye-hardwar
Ngezantsi iskimu kunye noyilo lwebhodi yeadaptha ingaba fo
I-5311-TS_EK_AB-1.1 yezicwangciso
Umfanekiso 8:
Iimpawu ze-AS5311-AB-1.1
AS5311-TS_EK_AB-1.1 PCB Uyilo
Umfanekiso 9:
AS5311-AB-1.1 ibhodi yeadaptha uyilo
Ilungelo lokushicilela
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8141 Unterpremstaetten
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ams AS5311 12-Bit Linear Isikhundla esongezelelweyo soVavanyo kunye ne-ABI kunye nesiphumo se-PWM [pdf] Incwadi yokusebenzisa I-AS5311 12-Bit Linear Position Sensor ene-ABI kunye ne-PWM Output, i-AS5311, i-12-Bit ye-Linear ye-Inremental Position i-Sensor ene-ABI kunye ne-PWM yePhumo, i-12-Bit ye-Inremental Position Sensor, i-Linear i-Inremental Position, i-Sensor ye-Inremental Position |
