ams AS5311 12-Bit Linear Incremental Position Sensor yokhala ndi ABI ndi PWM Output User Manual
Kufotokozera Kwambiri
AS5311 ndi chosindikizira chapamwamba cha maginito chopanda kulumikizidwa kuti chiziyenda molondola pamzera komanso zomveka zozungulira kuchokera pa axis zomwe zimatsikira ku <0.5µm. Ndi dongosolo-pa-chip, kuphatikiza zinthu Integrated Hall, analogi kutsogolo mapeto ndi digito chizindikiro processing pa chip chimodzi, m'matumba aang'ono 20-pini TSSOP phukusi.
Mzere wa maginito ambiri kapena mphete yokhala ndi mlongoti kutalika kwa 1.0mm imafunika kuti mumve kuzungulira kapena kusuntha kwa mzere. Mzere wa maginito umayikidwa pamwamba pa IC pamtunda wamtundu. 0.3 mm.
Muyezo wathunthu umapereka chidziwitso pompopompo cha malo a maginito mkati mwa mtengo umodzi wokhala ndi 488nm pa sitepe (12-bit kupitirira 2.0mm). Deta ya digito iyi imapezeka ngati mtsinje wa serial bit komanso ngati chizindikiro cha PWM.
Kuphatikiza apo, kutulutsa kowonjezera kumapezeka ndi 1.95 µm pa sitepe iliyonse. Kugunda kwa index kumapangidwa kamodzi pamtengo uliwonse (kamodzi pa 2.0mm). Liwiro loyenda mumayendedwe owonjezera limafikira 650mm / sekondi.
Voltage regulator imalola AS5311 kugwira ntchito pa 3.3 V kapena 5 V. Kutengera ndi kagwiritsidwe ntchito ka AS5311 imavomereza maginito okhala ndi mitengo yambiri komanso maginito a mphete amitundu yambiri, ma radial ndi axial magnetized.
Kuti mumve zambiri zaukadaulo, chonde onani zidziwitso za AS5311 zomwe zilipo kuti mutsitse kuchokera ku AM webmalo.
Chithunzi 1:
AS5311 + Multi-pole strip maginito
Chithunzi cha AS5311
Kufotokozera kwa board
Bwalo la adaputala la AS5311 ndi dera losavuta lomwe limalola kuyesa ndikuwunika mzere wa encoder wa AS5311 mwachangu popanda kupanga choyeserera kapena PCB.
PCB itha kugwiritsidwa ntchito ngati gawo loyima kapena yolumikizidwa ndi microcontroller. Ntchito yoyimirira imafunikira magetsi a 5V kapena 3V3 okha, malo a maginito pawiri (2mm kutalika) amatha kuwerengedwa pakupanga kwa PWM, ndi malo achibale pazotuluka za AB-Index.
Chithunzi 2:
Zithunzi za AS5311
Kuyika board ya adapter ya AS5311
AS5311 imagwiritsa ntchito chingwe cha maginito chambiri kapena maginito a mphete okhala ndi kutalika kwa 1.0mm. The airgap pakati maginito ndi AS5311 casing ayenera kusamalidwa mu osiyanasiyana 0.2mm ~ 0.4mm. Chosungira maginito sichiyenera kukhala ferromagnetic.
Zida monga mkuwa, mkuwa, aluminiyamu, zitsulo zosapanga dzimbiri ndizo zosankha zabwino kwambiri zopangira gawoli.
Chithunzi 3:
AS5311 adaputala board kukwera ndi kukula kwake
AS5311 adaputala board ndi pinout
Chithunzi 4:
AS5311 adapter board zolumikizira ndi encoder pinout
Gulu 1:
Kufotokozera kwa pini
| Pin #Bolo | Pin#AS5311 | Chizindikiro | Mtundu | Kufotokozera |
| JP1-1 | 8 | GND | S | Negative Supply Voltagndi (VSS) |
| JP1-2 | 12 | DO | DO_T | Data Okutulutsa kwa Synchronous Serial Interface |
| JP1-3 | 13 | Mtengo CLK | DI, ST | Kulowetsa Koloko kwa Synchronous Serial Interface; Kulowetsa kwa Schmitt-Trigger |
| JP1-4 | 14 | CSn | DI_PU,ST | Cchiuno Sosankhidwa, achangu otsika; Schmitt-Trigger input, mkati kukoka-mmwamba resistor (~ 50kW). Ziyenera kukhala zotsika kuti muthe kutulutsa zowonjezera |
| JP1-5 | 18 | Mtengo wa 3V3 | S | 3V-Regulator linanena bungwe; zoyendetsedwa mkati kuchokera ku VDD5V. Lumikizani ku VDD5V pamagetsi a 3Vtage. Osanyamula kunja. |
| JP1-6 | 19 | 5V | S | Wowonjezera Wowonjezera Voltage, 3.0 mpaka 5.5 V |
| JP1-7 | 9 | Prg | DI_PD | OTP Programming Kulowetsa kwa mapulogalamu a fakitale. Lumikizani ku VSS |
| JP2-1 | 8 | GND | S | Negative Supply Voltagndi (VSS) |
| JP2-2 | 2 | Malingaliro a kampani Mag Inc | DO_OD | Magnet Field Magkhalidwe INCkuyambiranso; yogwira otsika, limasonyeza kuchepetsa mtunda pakati pa maginito ndi pamwamba chipangizo |
| JP2-3 | 3 | Mag Dec | DO_OD | Magnet Field Magkhalidwe DECkukonzanso; yogwira otsika, limasonyeza kuwonjezeka mtunda pakati pa chipangizo ndi maginito. |
| JP2-4 | 4 | A | DO | Zowonjezera za A |
| JP2-5 | 5 | B | DO | Zotsatira zowonjezera B |
| JP2-6 | 7 | Ndi | DO | Zowonjezera Zowonjezera Index. |
| JP2-7 | 15 | Zithunzi za PWM | DO | Pulse Width Modulation of approx. 244Hz; 1µs/sitepe |
Ntchito
Standalone PWM linanena bungwe mode
Chizindikiro cha PWM (JP2 pin #7) chimalola kuyeza 12-bit mtheradi wamtengo wapatali pamtengo umodzi (2.0mm). Mtengowo umayikidwa mu siginecha yosinthika yokhala ndi 1µs pulse wide pa sitepe ndi 5V pulse vol.tage ikhoza kulumikizidwa ndi kulowetsa / kuwerengera nthawi kwa microcontroller kuti muzindikire mtengo wa ngodya.
Kutulutsa kokwanira kumawerengeredwa kuchokera ku 0….4095 mkati mwa gulu limodzi lazambiri kubwereza ndi gulu lililonse lotsatira.
Kutulutsa kwa PWM kumayamba ndi kugunda kwa 1µs, kumawonjezera kugunda kwapakati ndi sitepe iliyonse ya 0.488µm ndikufikira kugunda kwapakati kwa 4097µs kumapeto kwa gulu lililonse. Onani zidziwitso za AS5311 kuti mumve zambiri pazotulutsa za PWM.
Mafupipafupi a PWM amakonzedwa mkati kuti akhale olondola 5% (10% pa kutentha kwathunthu.
Chithunzi 6:
PWM ntchito kuzungulira kutengera malo maginito
Kugwiritsa ntchito mawonekedwe a serial ndi MCU
Yankho lathunthu komanso lolondola la MCU kuti liwerenge mbali ya maginito ndi mawonekedwe a serial.
Mtengo wa 12 wa ngodya udzawerengedwa mwachindunji, ndipo zizindikiro zina monga chidziwitso cha mphamvu ya maginito kapena ma alarm bits akhoza kuwerengedwa nthawi imodzi.
Kulumikizana pakati pa MCU ndi adaputala board kumatha kupangidwa ndi mawaya atatu.
3-waya siriyo mawonekedwe
Mawonekedwe a seriyo amalola kufalitsa kwa data kwa chidziwitso cha 12-bit chamtheradi chamtheradi (m'kati mwa gulu limodzi = 2.0mm). Zing'onozing'ono za data D11:D0 zimayimira chidziwitso cha malo okhala ndi 488nm (2000µm / 4096) pa sitepe iliyonse. CLK iyenera kukhala pamwamba pamphepete mwa CSn.
Ngati CLK ili yotsika pamphepete mwa CSn, ma bits 12 oyambirira amaimira chidziwitso cha kukula, chomwe chiri chofanana ndi mphamvu ya maginito.
Chithunzi 7:
Bidirectional serial kugwirizana
Zida
Gulu 2:
Zida
| Dzina | Kufotokozera | Qty |
| AS5311-TS_EK_AB | Chithunzi cha AS5311 Linear Encoder Adapter | 1 |
| AS5000-MS10-H075-100 | Multipole Magnet strip | 1 |
Mtengo wa AS5311
Pansi pa schematic ndi masanjidwe a adaputala board akhoza kukhala fo
Zithunzi za 5311-TS_EK_AB-1.1
Chithunzi 8:
Zithunzi za AS5311-AB-1.1
Zithunzi za AS5311-TS_EK_AB-1.1 PCB
Chithunzi 9:
Chithunzi cha AS5311-AB-1.1
Ufulu
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