AMT223B-V

Additional Resources: Product Page | 3D Model date 08/05/2022 page 1 of 9 SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER FEATURES • patented capacitive ASIC technology • low power consumption • full duplex Serial Peripheral Interface (SPI) • 12 or 14-bit absolute position with multi-turn capability • checksum bits for error detection • configuration and firmware updates via AMT Viewpoint™ software • digitally settable zero position (single-turn versions only) • compact modular package with locking hub for ease of installation • radial and axial cable connections • -40 ~ 105°C operating temperature ELECTRICAL parameter conditions/description min power supply VDD 3.8 start-up time1 current consumption with unloaded output typ max 5 5.5 ms 16 mA 2.0 output low level output high level Note: V 200 input low level input high level units 0.8 V 5.5 V 0.8 V 3.3 V 1. Encoder must be stationary during start-up. ABSOLUTE POSITION CHARACTERISTICS parameter conditions/description resolution 12 or 14-bit min accuracy absolute zero position settable via AMT Viewpoint™ GUI or SPI (single-turn versions only) multi-turn multi-turn and single-turn versions available turns counter signed binary number absolute position update rate 12-bit 14-bit 2 Notes: typ max units 0.2 degrees 14 bits 25 100 µs µs 2. Multi-turn encoders only. MECHANICAL parameter conditions/description min motor shaft length motor shaft tolerance weight axial play rotational speed (at each resolution) typ max 9 12-bit position resolution 14-bit position resolution cuidevices.com units mm NOM +0/-0.015 mm 15.7 g ±0.3 mm 8,000 4,000 RPM RPM Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 2 of 9 ENVIRONMENTAL parameter conditions/description min operating temperature typ -40 humidity non-condensing vibration 10~500 Hz, 5 minute sweep, 2 hours on each XYZ shock 3 pulses, 6 ms, 3 on each XYZ RoHS yes max units 105 °C 85 % 5 G 200 G max units 2 MHz SERIAL INTERFACE parameter conditions/description protocol Serial Peripheral Interface Mode 0 min typ frame size 8 bit data rate transceiver SPI driven by PIC18F14K223 TCLK data shifted to output buffer4 2.5 µs TB time between bytes 2.5 µs TCS time between reads 40 µs 3 µs TR Notes: time before CS can be released 3. See Microchip documentation for more details. 4. This is the time it takes to load the most current position into the SPI buffer which prevents multiple read/response commands from being required. Figure 1 Timing Waveform CHIP SELECT TCS TB TCLK TR 2 1 3 4 5 6 7 8 1 2 6 5 4 3 7 8 SCLK MISO K1 K0 D14 D13 D12 D11 D10 D9 D8 D7 C7 C6 C5 C4 C3 C2 C1 C0 C7 C6 D6 C5 D5 D4 D3 D2 D1 C4 C3 C2 C1 C1 MOSI First Command Char Second Command Char Values K1 and K0 in the response are checkbits. The checkbits are odd parity over the odd and even bits in the position response shown in the equation below. The checkbits are not part of the position, but are used to verify its validity. The lower 14 bits are the encoder position. Example: Full response: 0x61AB 14-bit position: 0x21AB (8619 decimal) Checkbit Formula Odd: K1 = !(H5^H3^H1^L7^L5^L3^L1) Even: K0 = !(H4^H2^H0^L6^L4^L2^L0) From the above response 0x61AB: Odd: 0 = !(1^0^0^1^1^1^1) = correct Even: 1 = !(0^0^1^0^0^0^1) = correct For 12-bit applications L0 and L1 are always 0. Because the low two bits are 0, 12-bit data will need right-shifted two bits. The checkbit calculation remains the same and unaffected. cuidevices.com Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 3 of 9 SERIAL INTERFACE (CONTINUED) Commands: Read Position Hex command sequence: 0x00 0x00 The command to read position is 0x00, 0x00 because the encoder will always respond with the current position when SPI is accessed. The encoder observes the second byte for extended commands. Extended Commands: Reset Encoder Hex command sequence: 0x00 0x60 The encoder responds with the current position over the transmission then immediately resets. Observe the power on time when using this command. Encoder must be stationary to power back on. Set Zero Point (single-turn encoders only) Hex command sequence: 0x00 0x70 The encoder responds with the current position over this transmission then saves the current position into memory and performs a reset. Encoder must be stationary for this command. Observe the power on time when using this command. Read Turns (multi-turn encoders only) Hex command sequence: 0x00 0xA0 0x00 0x00 The encoder responds with position during the transfer of the first two bytes. The encoder responds with the current turn value in the second two bytes. The resulting number is a signed 14 bit number. Chip select must be held low for the entire four byte transfer, and TB should be observed between each byte. AMT VIEWPOINT™ OPERATION The AMT22 encoder operates in two modes: programming, and SPI mode. To enter programming mode for use with AMT Viewpoint™ the slide on the bottom of the encoder must be moved to the programming position. Slide the switch to the left position before connecting encoder to AMT Viewpoint™. Once configuration in AMT Viewpoint™ is completed, disconnect encoder and return switch to the standard run mode position before connecting encoder to system. Switch must be in proper mode for programming or SPI before power is connected to device. A Run Mode Program Mode cuidevices.com Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 4 of 9 PART NUMBER KEY For customers that prefer a specific AMT22 configuration, please reference the custom configuration key below. AMT22 X X - XXXX - X Base Number Orientation: 2 = Radial 3 = Axial Mounting Base: S = Standard W= Wide Absolute Resolution: A = 12-bit single-turn B = 14-bit single-turn C = 12-bit multi-turn D = 14-bit multi-turn Bore Diameter: 2000 = 2 mm 3000 = 3 mm 3175 = 3.175 mm (1/8”) 4000 = 4 mm 4760 = 4.76 mm (3/16”) 5000 = 5 mm 6000 = 6 mm 6350 = 6.35 mm (1/4”) 8000 = 8 mm AMT22-V KITS In order to provide maximum flexibility for our customers, the AMT22 series is provided in kit form standard. This allows the user to implement the encoder into a range of applications using one sku#, reducing engineering and inventory costs. SLEEVES ORDERING GUIDE AMT22XX-V Orientation: 2 = Radial 3 = Axial Absolute Resolution: A = 12-bit single-turn B = 14-bit single-turn C = 12-bit multi-turn D = 14-bit multi-turn 2mm 3mm 1/8 inch (3.175mm) 4mm 3/16 inch (4.76mm) 5mm 6mm 1/4 inch (6.35mm) 8mm Light Sky Blue Orange Purple Gray Yellow Green Red Snow Blue BASE WIDE BASE cuidevices.com TOP COVER SHAFT ADAPTER TOOL A TOOL C Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 5 of 9 ENCODER INTERFACE PINOUT CONNECTOR # AMT222 AMT223 Function 1 +5 V 2 SCLK 3 MOSI 4 GND 5 MISO 6 CHIP SELECT Mating Connector1: Molex 502578-0600 Notes: 1. Compatible with prototype cable AMT-06C-1-036 and programming cable AMT-06C-1-036-USB. cuidevices.com Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 6 of 9 MECHANICAL DRAWING AMT222 units: mm tolerance: ±0.1 10.30 0.406 R15.49 0.610 15.30 0.602 15.33 0.604 39.94 1.573 28.58 1.125 11.70 0.461 AMT223 units: mm tolerance: ±0.1 10.30 0.406 R15.49 0.610 15.30 0.602 15.33 0.604 39.06 1.538 28.58 1.125 12.60 0.496 cuidevices.com Additional Resources: Product Page CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER | 3D Model date 08/05/2022 | page 7 of 9 MECHANICAL DRAWING (CONTINUED) MOUNTING HOLE PATTERNS STANDARD BASE units: mm[inch] tolerance: ±0.1 22.00 0.866 21.55 0.848 20.90 0.823 12.60[0.496] R1.05 0.041 DETAIL A SCALE 4 : 1 2.00 0.079 (4 PLCS) 2.95 0.116 (2 PLCS) 16.00 0.630 0.275 0.011 A (3 PLCS) 1.70 0.067 (2 PLCS) 19.05 0.750 25.40 1.000 WIDE BASE units: mm[inch] tolerance: ±0.1 32.44 1.277 3.00 0.118 (2 PLCS) 2.96 2.87 X 2.96 (2 PLCS) A 2.87 0.09 DETAIL A SCALE 4 : 1 46.02 1.812 cuidevices.com Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 8 of 9 ASSEMBLY PROCEDURE STEP 1 STEP 2 STEP 3 Align Tool C with flange on Base 1. Insert Tool A as a spacer that defines the distance to the mounting surface. 2. Slide appropriate sized Sleeve over shaft all the way down to Tool A. 3. Slide Shaft Adaptor over Sleeve. 4. Use Tool C to press Shaft Adaptor over Sleeve (ensure Shaft Adapter and Tool C spline alignment) until flush with Tool A. STEP 4 1. Remove Tools A and C. 2. Place Base on motor, with Tool C used as a centering tool. STEP 5 1. Snap the Top Cover onto the Base, carefully observing that the teeth of the Shaft Adaptor align with the grooves in the hub. * 1. Fasten the Base on the motor (Tool C may need to be rotated to allow for some mounting configurations). 2. Remove Tool C. * We recommend no more than three cycles of mounting and removal of the AMT top cover base. Multiple cycles of mounting and removing the top cover can cause base fatigue over time and affect encoder performance. cuidevices.com 1. Align Tool C with flange on Base. 2. Slide Base and Tool C onto motor, centering onto the Shaft Adapter. STEP 6 1. Make sure the snaps are fully engaged by pressing on the Hub with the reverse side of Tool C. 2. When assembly is finished, the Shaft Adaptor, Sleeve and Rotor Hub should all be flush with the Motor Shaft rotating freely. Additional Resources: Product Page | 3D Model CUI DEVICES | SERIES: AMT22 | DESCRIPTION: MODULAR ABSOLUTE ENCODER date 08/05/2022 | page 9 of 9 REVISION HISTORY rev. description date 1.0 initial release 12/14/2018 1.01 updated TCLK and TCS values 06/26/2019 1.02 updated current consumption value 07/17/2019 1.03 added start-up time details 08/12/2019 1.04 brand update 11/21/2019 1.05 added multi-turn versions, updated start-up details 08/05/2021 1.06 updated datasheet 02/22/2022 1.07 logo, datasheet style update 08/05/2022 The revision history provided is for informational purposes only and is believed to be accurate. CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. cuidevices.com