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DS-40 | ABSOLUTE ROTARY ENCODER DS | Encapsulated | Shaft Encoder

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DS-40

The Netzer DS-40 Absolute Rotary Encoder is designed to meet the stringent demands of industrial automation, robotics, and aerospace systems. Featuring 19-bit resolution and an accuracy of 0.01 degrees, this encoder provides wear-free, contactless operation, ensuring long-term stability. Its lightweight, hollow-core design minimizes inertia and maximizes efficiency, making it an essential component for systems that require both high precision and durability.

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Features

  • 19-bit resolution for exceptional precision
  • EMI, RFI, and magnetic field-resistant design
  • Contactless capacitive sensing for wear-free durability
  • Hollow shaft structure for seamless system integration
  • Optimized for compact, space-efficient applications

Unique Values

  • Immunity to Magnetic
  • Durability
  • MTBF 15
  • Repeatability
  • Accuracy
    ±0.010˚
  • Resolution
    17-19 bit
  • OD
    40 mm
  • ID
    10 mm
  • Height
    10 mm
  • Weight
    20 gr
Technical Data
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General

  • Angular resolution 17-19 bit
  • Nominal position accuracy ±0.020°
  • Nominal position extended accuracy (EA) ±0.010°
  • Repeatability 2.7 mdeg / 9.9 Arcsec
  • Maximum operational speed 4,000 rpm
  • Measurement range Single turn absolute position
  • Build In Test BIT Optional
  • Rotation direction Adjustable CW/CCW (Default same direction from bottom side of the encoder)

Mechanical

  • Allowable mounting eccentricity ±0.1 mm
  • Allowable axial mounting tolerance ±0.1 mm
  • Rotor inertia 70.93 gr · mm²
  • Total weight 20 gr (with 250 mm cable)
  • Outer Ø /Inner Ø/ Height 40 / 10 / 10 mm
  • Material (stator / rotor) Ultem™ polymer / TRVX-50

Electrical

  • Supply voltage 5V ± 5%
  • Current consumption ~90 mA
  • Interconnection #30 shielded cable
  • Communication SSi / BiSS-C
  • Output code Binary
  • Serial output Differential RS-422
  • Clock frequency 0.1- 5.0 MHz
  • Position update rate 35 kHz (Optional - up to 375 kHz)

Environmental

  • EMC IEC 6100-6-2, IEC 6100-6-4
  • Operating temperature -40°C to +85°C
  • Storage temperature -50°C to +85°C
  • Relative humidity 98% Non condensing
  • Shock endurance / functional 100 g for 6 ms
  • Vibration functional 20 g 10 – 2000 Hz (per MIL-STD-810G)
  • Protection IP 40

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  • OD
  • Output
  • Resolution
  • Bit
  • Cable Options
  • Interconnection
  • Rotor Type
  • Custom
Part Number:
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