SMD-01B

SMD-01B
Metrology and precision 2-channel Encoder module
Key Features
  • Accurate Encoder Performance
    • High resolution 20 µm track period
      • 1270 LPI (Lines per Inch) / 50 Lines per mm
      • Quadrature output is 5080 LPI / 200 Lines per mm
    • Low noise A/B analog and digital Z (index) outputs
      • Low distortion Lissajous curve reduces cyclical errors and improves interpolation repeatability and accuracy
    • Lower assembly & manufacturing costs
      • Proven reliability and long lifetime
      • 14-pin HCOB (5.3 × 4.3 × 1.68mm)
      • Optimized OEIC and optics design for easier mounting alignment
Typical Applications
  • Metrology, CMM
  • Laser optical axis control
  • Assembly machines
  • Measuring instruments
  • Precision rotary and linear encoders
  • Stages, Actuators
  • Robotics

The SMD-01B is a miniature, Optical reflective incremental encoder head module with 2-Channel analog A/B outputs.

SMD-01B 20µ period combined with interpolation circuit can achieve subnanometer resolution. And SMD-01B low-noise low distortion analog output maximize accuracy.

A unique LED receptor provide wider tolerance to misalignment, YAW, external contamination and humidity. This reduces assembly process workload required for a high-precision encoder, and simultaneously supports miniaturization and high accuracy requirements.

20µm Resolution and Interpolation
EncodingImperialMetric
LPI
(lines per inch)
ResolutionLPM
(lines per mm)
Resolution
×11270 LPI0.787 mils50 LPM20µm
Quadrature A-B
×4
5080 LPI0.197 mils200 LPM5µm
With external ADC
12-bit Interpolation
20,807,680 LPI0.0000481 mils819,200 LPM0.0012207µm
  • Sample order and design kits available from stock
  • Production orders lead-time 16-18 weeks
  • Contact sales@vcamericaelectronics.com to confirm price and delivery
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