Harsh Environment
Three-Plate Ring | DS-25
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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
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OD
25 mm
ID
6 mm
Height
7 mm
Weight
10 gr
Resolution
17-19 bit
Accuracy
±0.010°
* Segmentally enhanced accuracy is available upon request- Contact Netzer for more info.
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Technical Drawing
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General
Angular resolution17-19 bitMaximum tested static error±0.020°Extended accuracy static error±0.010°Maximum operational speed4,000 rpmMeasurement rangeSingle turn absolute positionRotation directionAdjustable CW/CCW (Default same direction from bottom side of the encoder)Build In Test BITOptional -
Mechanical
Allowable mounting eccentricity±0.1 mmAllowable axial mounting tolerance±0.1 mmRotor inertia11 gr · mm²Total weight10 grOuter Ø /Inner Ø / Height25 / 6 / 7 mmMaterial (stator, rotor)Ultem™ polymer / TRVX-50 -
Electrical
Supply voltage5V ± 5%Current consumption90 mAInterconnection#30 shielded cableCable length1,500 mm MAXInterfaceSSi / BiSS - COutput codeBinarySerial outputDifferential RS-422ClockDifferential RS-422Clock frequency0.1 - 5.0 MHzPosition update rate35 kHz (Optional - up to 375 KHz) -
Environmental
EMCIEC 6100-6-2, IEC 6100-6-4Operating temperature range-40°C to +85°CStorage temperature-50°C to +100°CRelative humidity98% Non condensingShock endurance100 g for 11 msVibration endurance20 g 10 – 2000 HzProtectionIP 40
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