A23S Absolute, Multi-Turn, SSI Output Encoder

Product catalog summary

Overview: The Gurley Model A23S is an industrial-grade absolute rotary encoder designed for heavy-duty applications. It features opto-electronic technology and a standard Synchronous Serial Interface (SSI) with RS422/RS485 compatibility. The encoder is available in single-turn and multi-turn configurations, offering high resolution and robust performance.

Specifications:

Resolution: Single-turn up to 13 bits (8192 steps/rev), Multi-turn up to 33,544,432 total steps.
Mechanical: 58 mm aluminum housing, 6 mm or 10 mm stainless steel shaft, precision ball bearings.
Electrical: Temperature insensitive IR opto-receiver, over-voltage protection, supply voltage of +5 VDC ±0.25 V or 10-30 VDC, current consumption ~180 mA.
Environmental: Operating temperature from -30°C to +70°C, storage temperature from -40°C to +85°C, IP 65 protection class.

Performance:

Clock Frequency: 100 kHz to 1 MHz.
Data Output: Line-driver according to RS 485 / RS 422.
Shock and Vibration: Shock resistance of 200 m/s², vibration resistance of 100 m/s².
RPM: Maximum 6,000 continuous.

Interface and Connectivity:

Driver meets EIA standard RS 485/RS 422 with transmission rates up to 10 MBit/s and transfer distance up to 1,200m.
Balanced transmission for high noise immunity, requiring shielded and twisted pair lines.
Electrical interface includes various pin configurations for clock, data, and power connections.

Customization and Warranty: Gurley Precision Instruments offers customization for specific requirements, including higher frequency response, greater accuracy, and wider temperature ranges. A limited warranty against defects in material and workmanship is provided for one year from the date of shipment.

All GURLEY Precision Instruments catalogs and technical brochures

Archived catalogs

VF Virtual Absolute Interpolating Decoder
8 Pages