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Three-Plate Ring | DS-70

DS-70

Features

  • Lightweight miniature 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

Technical Data

Ordering Code

OD
70 mm
ID
30 mm
Height
10 mm
Weight
49 gr
Resolution
19-21 bit
Accuracy
±0.006°
  • Technical Drawing

  • General

    Angular resolution
    19-21 bit
    Maximum tested static error
    ±0.010°
    Extended accuracy static error
    ±0.006°
    Maximum operational speed
    750 rpm
    Measurement range
    Unlimited rotation
    Power On - Max. operational speed
    3.3 RPM, <=20°/sec
    Rotation direction
    Adjustable CW/CCW (Default same direction from bottom side of the encoder
    Build In Test BIT
    Optional
  • Mechanical

    Allowable mounting eccentricity
    ±0.1 mm
    Allowable rotor axial motion
    ±0.1 mm
    Rotor inertia
    1,940 gr · mm²
    Total weight
    49 gr
    Outer Ø /Inner Ø/ Height
    70 / 30 / 10 mm
    Material (stator, rotor)
    Ultem™ polymer / TRVX-50
  • Electrical

    Supply voltage
    5V ± 5%
    Current consumption
    180 mA
    Interconnection
    Shielded cable
    Cable length
    1,500 mm MAX
    Interface
    SSi / BiSS - C
    Signal latency
    ~250 μSec
    Output code
    Binary
    Serial output
    Differential RS-422
    Clock
    Differential RS-422
    Clock frequency
    0.5 ÷ 2.0 MHz
    Position update rate (Max)
    30 KHz
  • Environmental

    EMC
    IEC 6100-6-2, IEC 6100-6-4
    Operating temperature range
    -40°C to +85°C
    Storage temperature
    -50°C to +100°C
    Relative humidity
    98% Non condensing
    Shock endurance
    100 g for 11 ms
    Vibration endurance
    20 g 10 – 2000 Hz
    Protection
    IP 40
web ordering code product-ds-70
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