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HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead
HRA2000 Absolute Rotary Encoders readhead

HRA2000 Absolute Rotary Encoders readhead

Key Advantages:
  • True absolute measurement – instant position detection without the need for homing or reference points.
  • Non-contact operation – eliminates mechanical wear, providing exceptional durability and low maintenance.
  • High precision – typical accuracy of ±0.1° for accurate rotary positioning.
  • Robust environmental adaptability – resistant to vibration, contamination, and elevated temperatures.
  • Flexible connectivity – supports multiple output interfaces, including analog, SSI, SPI, and CANopen.
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HRA2000 Absolute Rotary Encoders


The HRA2000 series is a high-performance absolute rotary ring encoder designed for precise rotary position measurement in demanding applications. Its non-contact design ensures long life and reliable operation, even in harsh environments.

Key Advantages Include:

  • True absolute measurement – instant position detection without the need for homing or reference points.
  • Non-contact operation – eliminates mechanical wear, providing exceptional durability and low maintenance.
  • High precision – typical accuracy of ±0.1° for accurate rotary positioning.
  • Robust environmental adaptability – resistant to vibration, contamination, and elevated temperatures.
  • Flexible connectivity – supports multiple output interfaces, including analog, SSI, SPI, and CANopen..

Technical Specifications

Description Parameter
Resolution ±0.1°
Interface BISS-C , SSI , MODEBUS-RTU , Tamagawa etc
Repeatability ≤±1um @1um resolution , 0.2mm gap
Maximum Speed Ring disk:2000+ rpm @ HDA81-17B
Sensing Distance ≤ 0.6mm , optimal 0.3±0.1 mm
Working Voltage 5V±5%
Absolute Position Startup Time < 400 ms
Operating current <120mA , 25℃ room temperature
Output Signal Differential signal (RS422) / Serial port RS485
Load current ±40 mA
ESD protection RS422 , HBM, max. ±20kV; RS485 , HBM, max. ±15kV
Cable Length Default: 0.3M, max: 10M
Interface Frequency BISS-C , RS422 , Max clock = 5Mhz
SSI , RS422 , Max clock = 5Mhz
MODEBUS-RTU , RS485 , Baud Rate: 256K
Tamagawa , RS485 , Baud Rate 2.5M , 24bit
Housing Material Aluminum
Connector type DB9 / DB15 / SCSI-26 / SM-6P , customizable, no connector
Overall Dimensions 53*14*12.5MM
Mounting Hole Spacing 46 mm
Operating Temperature -20 ... 80℃
Protection Rating IP67
Max allowed External Magnetic Field 0.5 mT
Operating Temperature -20 ... 80℃
Protection Rating IP67
Max allowed External Magnetic Field 0.5 mT

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