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DS-90 | ABSOLUTE ROTARY ENCODER Hollow Shaft Three-plate
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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.
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Technical Drawing
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General
Angular resolution19-21 bitNominal position accuracy±0.010°Nominal position extended accuracy (EA)±0.006°Maximum operational speed2,000 rpmMeasurement rangeSingle turn absolute positionBuild In test BITOptionalRotation directionAdjustable CW/CCW (Default same direction from bottom side of the encoder) -
Mechanical
Allowable mounting eccentricity±0.1 mmAllowable axial mounting tolerance±0.1 mmRotor inertia4,242 gr · mm²Total weight55 grOuter Ø /Inner Ø/ Height90 / 50 / 10 mmMaterial (stator / rotor)Ultem™ polymer / TRVX-50 -
Electrical
Supply voltage5V ±5%Current consumption~100 mAInterconnection#30 shielded cableCommunicationSSi / BiSS-COutput codeBinarySerial outputDifferential 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 +85°CRelative humidity98% Non condensingShock endurance / functional100 g for 11 msVibration functional20 g 10 - 2000 Hz (per MIL-STD-810G)ProtectionIP 40
