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Harsh Environment

DS-90 | ABSOLUTE ROTARY ENCODER Hollow Shaft Three-plate

Features

  • Lightweight absolute rotary encoder
  • Hollow floating shaft
  • No bearing or other contacts
  • High precision
  • High tolerance to temperature extremes, shock,
    EMI, RFI, and magnetic fields
  • Digital interfaces for absolute position
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OD
90 mm
ID
50 mm
Height
10 mm
Weight
55 gr
Resolution
19-21 bit
Accuracy
±0.006°
* Segmentally enhanced accuracy is available upon request- Contact Netzer for more info.

Technical Data

Ordering Code

  • Technical Drawing

  • General

    Angular resolution
    19-21 bit
    Nominal position accuracy
    ±0.010°
    Nominal position extended accuracy (EA)
    ±0.006°
    Maximum operational speed
    2,000 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
    4,242 gr · mm²
    Total weight
    55 gr
    Outer Ø /Inner Ø/ Height
    90 / 50 / 10 mm
    Material (stator / rotor)
    Ultem™ polymer / TRVX-50
  • Electrical

    Supply voltage
    5V ±5%
    Current consumption
    ~100 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 range
    -40°C to +85°C
    Storage temperature
    -50°C to +85°C
    Relative humidity
    98% Non condensing
    Shock endurance / functional
    100 g for 11 ms
    Vibration functional
    20 g 10 - 2000 Hz (per MIL-STD-810G)
    Protection
    IP 40
OC DS-90