ams AS5311 12-Bit Linear Incremental Position Sensor na akwụkwọ ntuziaka ABI na PWM.
ams AS5311 12-Bit Linear Incremental Position Sensor na ABI na PWM

Nkọwa zuru oke

AS5311 bụ ihe ngbanwe magnetik linear dị elu na-enweghị kọntaktị maka mmegharị ahịrị ziri ezi na ntụgharị ntụgharị axis nwere mkpebi gbadara <0.5µm. Ọ bụ sistemụ na-agbawa, na-ejikọta ihe ndị agbakwunyere n'Ụlọ Nzukọ, njedebe n'ihu analog na nhazi akara ngosi dijitalụ na otu mgbawa, nke etinyere na obere ngwugwu TSSOP 20.

A chọrọ eriri ndọta ma ọ bụ mgbanaka ọtụtụ ogwe nwere ogologo ogologo 1.0mm iji hụ ngagharị ntụgharị ma ọ bụ ahịrị. A na-edobe eriri ndọta n'elu IC n'ebe dị anya nke ụdị. 0.3mm.

Ntụle zuru oke na-enye ihe ngosi ozugbo maka ọnọdụ ndọta n'ime otu ogwe osisi nwere mkpebi 488nm kwa nzọụkwụ (12-bit karịa 2.0mm). Ihe data dijitalụ a dị ka iyi ihe nrịbama na dị ka mgbama PWM.

Ọzọkwa, mmepụta agbakwunyere dị na mkpebi nke 1.95 µm kwa nzọụkwụ. A na-emepụta ihe nrịbama index otu ugboro maka ụzọ abụọ ọ bụla (otu ugboro kwa 2.0mm) ọsọ ọsọ na-agba ọsọ na ọnọdụ incremental ruru 650mm / sekọnd.

Ihe dị n'ime voltage regulator na-enye ohere ka AS5311 rụọ ọrụ na 3.3 V ma ọ bụ 5 V. Dabere na ngwa ahụ, AS5311 na-anabata ndọta pọọlụ multi-pole yana magnetik mgbanaka ọtụtụ pole, ma radial na axial magnetized.

Maka nkọwa teknụzụ ndị ọzọ, biko rụtụ aka na mpempe akwụkwọ AS5311, dị maka nbudata na ams websaịtị.

Foto 1:
AS5311 + Multi-pole warara ndọta
Ihe ndọta ndọta

Ihe nkwụnye ọkụ AS5311

Nkọwa osisi

Ihe nkwụnye ihe nkwụnye AS5311 bụ sekit dị mfe nke na-enye ohere ịnwale na nyochaa AS5311 linear encoder ngwa ngwa na-enweghị iwu nrụpụta ule ma ọ bụ PCB.

Enwere ike iji PCB dị ka nkeji kwụ ọtọ ma ọ bụ tinye ya na microcontroller. Arụ ọrụ kwụ ọtọ chọrọ naanị ọkụ 5V ma ọ bụ 3V3, enwere ike ịgụ ọnọdụ ndọta n'otu ụzọ osisi (ogologo 2mm) na mmepụta PWM, yana ọnọdụ ikwu na ntinye AB-Index na-abawanye.

Foto 2:
AS5311 nkwụnye ọkụ
bọọdụ nkwụnye

Ịkwanye osisi nkwụnye AS5311 

AS5311 na-eji eriri magnetik multipole ma ọ bụ magnetik mgbanaka nwere ogologo ogologo 1.0mm. Ekwesịrị idowe oghere ikuku n'etiti magnet na casing AS5311 na oke 0.2mm ~ 0.4mm. Ihe njide magnet ekwesịghị ịbụ ferromagnetic.

Ihe dị ka ọla, ọla kọpa, aluminom, igwe anaghị agba nchara bụ nhọrọ kacha mma iji mee akụkụ a.

Foto 3:
AS5311 nkwụnye ihe nkwụnye ọkụ na akụkụ
Akụkụ
Akụkụ

AS5311 nkwụnye ọkụ na pinout

Foto 4:
AS5311 nkwụnye ihe nkwụnye osisi na pinout koodu
Board nkwụnye

Tebụl 1:
Nkọwa pin

Ntụtụ#Board Ntụtụ#AS5311  Akara  Ụdị  Nkọwa
JP1-1 8 GND S Nkwanye na-adịghị mma Voltage (VSS)
JP1-2 12 DO DO_T Data OMmepụta nke Interface Serial Synchronous
JP1-3 13 CLK DI, ST Ntinye elekere nke Interface Oghere Usoro mmekọrịta; Ntinye Schmitt-Trigger
JP1-4 14 CSn DI_PU, ST Chip Sahọpụtara, arụ ọrụ dị ala; Ntinye Schmitt-Trigger, ihe mgbochi ndọpụ n'ime (~ 50kW). Ga-adị ala iji mee ka ntinye agbakwunyere nwee ike
JP1-5 18 3V3 S 3V-Regulator mmepụta; A na-ahazi n'ime site na VDD5V. Jikọọ na VDD5V maka 3V ọkọnọ voltage. Ebukwala ibu na mpụga.
JP1-6 19 5V S Nnweta dị mma Voltage, 3.0 ruo 5.5 V
JP1-7 9 Prg DI_PD OTP Ọganihuramming Ntinye maka mmemme mmepụta ihe. Jikọọ na VSS
JP2-1 8 GND S Nkwanye na-adịghị mma Voltage (VSS)
JP2-2 2 Ụlọ ọrụ Mag Inc DO_OD Ubi Igwe Ọdụdọ Magnitude INCmegharia; dị ala na-arụ ọrụ, na-egosi mbelata anya n'etiti magnet na elu ngwaọrụ
JP2-3 3 Mag Dec DO_OD Ubi Igwe Ọdụdọ Magnitude DECmegharia; dị ala na-arụ ọrụ, na-egosi mmụba dị anya n'etiti ngwaọrụ na magnetik.
JP2-4 4 A DO Mgbakwunye mmepụta A
JP2-5 5 B DO Mgbakwunye mmepụta B
JP2-6 7 Ind DO Ndekọ mmepụta mmụba.
JP2-7 15 PWM DO Pulse Width Modulation nke ihe ruru. 244Hz; 1µs/nzọụkwụ

Ọrụ

Ụdị mmepụta PWM kwụ ọtọ
Ihe mgbaàmà PWM (JP2 pin #7) na-enye ohere ịlele uru ọnọdụ 12-bit zuru oke n'ime otu ụzọ osisi (2.0mm). A na-edobe uru ahụ n'ime mgbama obosara kpụ ọkụ n'ọnụ nwere 1µs obosara usu kwa nkeji yana 5V pulse vol.tage nwere ike jikọọ na ntinye njide/ngụ oge nke microcontroller iji dekọọ uru akụkụ.
Board nkwụnye

Nsonaazụ nsonazụ zuru oke sitere na 0….4095 n'ime otu osisi abụọ a na-emegharị ya na ụzọ osisi ọ bụla na-esote.

Mmepụta PWM na-amalite na obosara usu nke 1µs, na-abawanye obosara usu na nzọụkwụ ọ bụla nke 0.488µm wee rute obosara usu kacha nke 4097µs na njedebe nke ụzọ osisi ọ bụla. Hụ akwụkwọ data AS5311 maka nkọwa ndị ọzọ na mmepụta PWM.

A na-akpụzi ugboro PWM n'ime ka ọ bụrụ nke ziri ezi nke ₵5% (10% karịa oke okpomọkụ zuru oke.

Foto 6:
Usoro ọrụ PWM dabere na ọnọdụ magnet
Akụkụ

Iji serial interface na MCU

Ihe ngwọta zuru oke na nke ziri ezi maka MCU ịgụ akụkụ nke magnet bụ interface serial.
A ga-agụ kpọmkwem uru 12 nke akụkụ akụkụ ahụ, yana ụfọdụ ndị ọzọ na-egosi dị ka ozi ike ndọta ma ọ bụ obere mkpu nwere ike ịgụ n'otu oge ahụ.

Enwere ike iji wires 3 mee njikọ dị n'etiti MCU na bọọdụ nkwụnye.

3-waya Oghere Usoro interface

Ihe interface Serial na-enye ohere ịnyefe data nke ozi ọnọdụ ahịrị 12-bit zuru oke (n'ime otu okporo osisi = 2.0mm). Bits data D11:D0 na-anọchi anya ozi ọnọdụ yana mkpebi 488nm (2000µm / 4096) kwa nzọụkwụ. CLK ga-adị elu na nsọtụ ọdịda nke CSn.

Ọ bụrụ na CLK dị ala na nsọtụ ọdịda nke CSn, ibe 12 nke mbụ na-anọchi anya ozi ịdị ukwuu, nke dabara na ike ndọta.

Foto 7:
Njikọ ọnụọgụ abụọ
Ntuziaka njikọ

Ọdịnaya ngwa

Tebụl 2:
Ọdịnaya ngwa

Aha Nkọwa Qty
AS5311-TS_EK_AB AS5311 Linear Encoder Adapter Board 1
AS5000-MS10-H075-100 Multipole Magnet warara 1

AS5311 nkwụnye ọkụ

N'okpuru schematic na nhazi nke ihe nkwụnye ọkụ nwere ike ịbụ fo

5311-TS_EK_AB-1.1 atụmatụ

Foto 8:
AS5311-AB-1.1 ihe nkwụnye ihe nhazi
Atụmatụ

Nhazi AS5311-TS_EK_AB-1.1 PCB

Foto 9:
AS5311-AB-1.1 nkwụnye osisi okirikiri nhọrọ ukwuu
Nhazi bọọdụ nkwụnye

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Akwụkwọ / akụrụngwa

ams AS5311 12-Bit Linear Incremental Position Sensor na ABI na PWM [pdf] Akwụkwọ ntuziaka onye ọrụ
AS5311 12-Bit Linear Increament Increament Sensor with ABI na PWM Output, AS5311, 12-Bit Linear Increamental Position Sensor with ABI na PWM, 12-Bit Linear Incremental Position Sensor, Linear Increament Position Sensor, Amrement Sensor, Sensor, Sensor Position Sensor

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