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AMT203-8000 Datasheet(PDF) 1 Page - CUI INC |
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AMT203-8000 Datasheet(HTML) 1 Page - CUI INC |
1 / 8 page date page 04/2010 1 of 8 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2380 www.cui.com PART NUMBER: DESCRIPTION: AMT203 12 BIT ABSOLUTE ENCODER This encoder is a 12 bit absolute rotational encoder with SPI serial bus for working as a slave to an external microprocessor. Incremental A,B and Index signals are provided for high speed operation. The Index is one pulse per 22.5 degree (16 index per turn). The encoder contains two channels of a capacitive encoder: a Fine channel and a Coarse channel. The Fine channel has 16 wavelengths of a periodic capacitive pattern, while the Coarse channel has 5 wavelengths. Each channel has its own ASIC that interpolates to a resolution of 256 increments per wavelength. A microprocessor on the encoder PCB is combining the two channels for a position reading that is absolute over a full turn with 12 bit resolution. ELECTRONIC SPECIFICATIONS parameter conditions/description min nom max units power supply 2.7 5 5.5 V current consumption 810 mA output resolution 1024 ppr incremental output signals A, B, Z phase incremental output waveform square wave incremental outputs output voltage - sourcing to +5 V @ -32 mA output voltage - sinking to ground @ -32 mA 3.8 0.55 V V index output one index pulse per 1/16 turn SPI output natural binary SPI bus PIC 16F690 (see datasheet) SPI resolution 12 bit MECHANICAL SPECIFICATIONS parameter conditions/description min nom max units output range 360 deg SPI speed 8000 RPM mounting hole options A) 2 each M1.6 holes on 16 mm (0.63”) bolt circle B) 2 each #4 holes on 19.05 mm (0.75”) bolt circle C) 2 each M1.6 or M2 holes on 20 mm (0.787”) bolt circle D) 3 each M1.6 or M2 holes on 20.9 mm (0.823”) bolt circle E) 3 each M1.6 or M2 holes on 22 mm (0.866”) bolt circle F) 4 each M1.6 or M2 holes on 25.4 mm (1”) bolt circle G) 2 each #4 holes on 15.75 mm (0.62”) x 20.96 (0.825”) hole layout* H) 2 each #4 holes on 32.43 mm (1.277”) bolt circle* I) 2 each #4 holes on 46.03 mm (1.812”) bolt circle* ENVIRONMENTAL SPECIFICATIONS parameter conditions/description min nom max units operating temperature -25 85 °C storage temperature -40 100 °C humidity 85 %RH vibration 1.5mm, 3 directions, 2 hours 10 55 Hz |
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