Additional Resources: Product Page date 09/10/2021 page 1 of 10 SERIES: AMT33 DESCRIPTION: MODULAR COMMUTATION ENCODER FEATURES patented capacitive ASIC technology low power consumption U, V, W commutation phase channels 2, 4, 6, 8, 10, 12, 20 motor poles w/ incremental resolutions up to 4096 PPR resolutions and poles programmable with AMT Viewpoint PC software differential line driver versions digitally set zero position with AMT One Touch Zero module or serial commands compact modular package with locking hub for ease of installation radial and axial cable connections -40~125C operating temperature ELECTRICAL parameter conditions/description min typ max units power supply VDD 4.5 5 5.5 V 1 start-up time 200 ms current consumption with unloaded output 16 mA output high level VDD-0.1 V output low level 0.1 V single ended channels output current (per channel) 15 mA rise/fall time 8 ns output high level 3 V output low level 0.1 V differential channels output current (per channel) 20 mA rise/fall time 7 11 20 ns Note: 1. Encoder must be stationary during start-up. INCREMENTAL CHARACTERISTICS parameter conditions/description min typ max units waveform CMOS voltage square wave phase difference A leads B for CCW rotation (viewed from front) 90 degrees 48, 96, 100, 125, 192, 200, 250, 256, 360, 384, 400, 500, 2 quadrature resolutions PPR 512, 768, 800, 1000, 1024, 1600, 2000, 2048, 2500, 4096 3 index one pulse per 360 degree rotation accuracy 0.2 degrees 48, 96, 100, 125, 192, 256, 384 49 50 51 % 200, 250, 360, 400, 768, 800 48 50 52 % quadrature duty cycle (at each 500, 1000, 1600 46 50 54 % resolution) 512, 1024 , 2048, 4096 50 50 50 % 2000 44 50 56 % 2500 43 50 57 % Notes: 2. Resolutions programmed with AMT Viewpoint PC software. Default resolution set to 2048 PPR. Listed as pre-quadrature, meaning final number of counts is PPR x 4. 3. Zero position alignment set with AMT One Touch Zero module, AMT Viewpoint PC software, or serial commands. cuidevices.comAdditional Resources: Product Page CUI Devices SERIES: AMT33 DESCRIPTION: MODULAR COMMUTATION ENCODER date 09/10/2021 page 2 of 10 COMMUTATION CHARACTERISTICS parameter conditions/description min typ max units CMOS Voltage (S) A, B, Z, U, V, W channels Line Driver (D) A, A, B , B, Z, Z, U , U, V, V, W, W 4 motor poles 2, 4, 6, 8, 10, 12, 20 4 waveform CMOS voltage square wave electrical phase difference WYE motor winding configurations 120 degrees Notes: 4. Pole counts and waveform direction set via AMT Viewpoint PC software. Default poles set to 4 poles and counter-clockwise direction. MECHANICAL parameter conditions/description min typ max units motor shaft length 13.5 mm motor shaft tolerance NOM +0/-0.015 mm weight weight varies by configuration 26 g axial play 0.3 mm hub set screw to shaft torque 3 in-lb 48, 96, 100, 125, 192, 200, 250, 256, 384, 400, 8000 RPM 500, 512, 800, 1000, 1024, 2048 rotational speed (at each resolution) 360, 768, 1600, 2000, 4096 4000 RPM 2500 2500 RPM ENVIRONMENTAL parameter conditions/description min typ max units operating temperature -40 125 C humidity non-condensing 85 % vibration 10~500 Hz, 5 minute sweep, 2 hours on each XYZ 5 G shock 3 pulses, 6 ms, 3 on each XYZ 200 G RoHS yes SERIAL INTERFACE parameter conditions/description min typ max units protocol serial UART Driven by onboard Microchip PIC18F25K80. See controller Microchip documentation for additional details. data rate 8 data bits, no parity, 1 stop bit, least significant bit first 115200 baud cuidevices.com