Incremental rotary encoder A2
absoluteoptical12-bit

incremental rotary encoder
incremental rotary encoder
incremental rotary encoder
incremental rotary encoder
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Characteristics

Type
incremental, absolute
Technology
optical
Absolute encoder resolution
12-bit
Construction
solid-shaft, multi-turn
Output signal
analog, voltage output, USB, serial
Supply voltage
5 VDC
Other characteristics
programmable
Incremental encoder résolution (pulses per revolution

4,096 unit

Rotational speed

Max.: 10,000 rpm
(62,832 rad.min-1)

Min.: 100 rpm
(628 rad.min-1)

Process temperature

Max.: 70 °C
(158 °F)

Min.: -25 °C
(-13 °F)

Description

Sleeve bushing or ball bearing versions 12-bit resolution and resolution field programmable from 2 to 4,096 codes per revolution (3,600 factory default) Full 360-degree range, 7 msec update time Low power drain of 18.5 mA max., and 2.5 mA in sleep mode Field programmable parameters such as setting zero position point (demo software available for download below) EEPROM stores downloadable parameters 9,600 baud default data rate adjustable up to 115K baud 12-bit analog voltage output option (0 to +3.599 volts factory default setting. Field programmable up to 0 to +4.095 volts) Multi-turn mode (note: power must be maintained to prevent reset to zero) -25 to 70 degrees C. operating temperature Product Description Restriction of Hazardous Substances The A2 optical encoder is a 12-bit absolute rotary encoder which reports a shaft angle within a single 360-degree rotation of a shaft. Unlike incremental, sometimes called relative, style encoders, the A2 provides true (absolute) shaft position eliminating the need for a home or zero cycle after a supply voltage power cycle. The A2 communicates over a RS 485 style serial bus utilizing US Digital's SEI (Serial Encoder Interface), which allows for simple, quick and convenient networking of multiple SEI devices on a single network. PLCs, motion controllers, and computers can also reside on the SEI bus by using US Digital's SEI to USB interface device. For complete information about the SEI bus, please refer to the SEI Absolute Encoder Communications Protocol webpage. The A2 is also available with an optional analog output. The analog output option provides a maximum voltage range of 0 to 4.095 volts with 12-bit resolution.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.