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DS-37 | ABSOLUTE ROTARY ENCODER Hollow Shaft Three-plate
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Features
- Lightweight small 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
37 mm
ID
10 mm
Height
8 mm
Weight
10 gr
Resolution
17-19 bit
Accuracy
±0.015°
* 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±0.025°Extended accuracy static error±0.015°Maximum operational speed1,500 rpmMeasurement rangeUnlimited rotationPower On - Max. operational speed3.3 RPM <=20°/secRotation 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 inertia70.93 gr · mm²Total weight10 grOuter Ø /Inner Ø/ Height37 / 10 / 8 mmMaterial (stator, rotor)TRVX-50 -
Electrical
Supply voltage5V ± 5%Current consumption180 mAInterconnectionShielded cableCable length1,500 mm MAXOutput codeBinarySerial outputDifferential RS-422ClockDifferential RS-422Clock frequency0.5 - 2.0 MHzPosition update rate30 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
