22-Bit Encoder : High Accuracy & Compact Design

VLX-247

The Netzer VLX-247 Absolute Rotary Encoder delivers up to 22-bit resolution with 0.006 mdeg accuracy in an ultra-thin (<10.7 mm) and lightweight (<220g) package. Featuring contactless capacitive sensing technology, it provides wear-free operation, ensuring long-term stability and reliability in critical applications.

Optimized for aerospace, robotics, defense, and high-precision automation, the VLX-247’s hollow, low-inertia design minimizes system mass while maximizing dynamic response. When cutting-edge rotary feedback is essential, the VLX-247 sets a new benchmark for precision, durability, and compact performance.

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Features

Reduced inertia and optimized system integration with hollow shaft
Best-in-class repeatability for extreme accuracy
Exceptional shielding against electromagnetic and radio interference
Compact, lightweight build ideal for space-constrained applications
Designed for minimal maintenance and extended service life
Reliable precision scaling for high-end automation feedback

Unique Values

Wide mounting
Low Profile
Light weigth
Space tested

Accuracy

±0.010° / 0.006°˚
Resolution

17-22 bit
OD

247 mm
ID

171 mm
Height

10.7 mm
Weight

220 gr

Technical Data

Technical Drawing

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General

Angular resolution 17-22 bit
Nominal position accuracy ±0.010° / ±0.006°
Repeatability 1.4 mdeg / 4.9 Arcsec
Maximum operational speed 4,000 rpm
Measurement range Single turn, unlimited
Built 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 ±0.3 mm
Rotor inertia 876,053 gr · mm²
Total weight 220 gr
Outer diameter / Inner diameter / Profile 247 / 171 / 10.7 mm
Material (stator / rotor) FR4
Nominal air gap (stator, rotor) 1 mm

Electrical

Supply voltage 5V ± 5%
Current consumption ~90 mA
Interconnection Connector: DF13A-10P -1.25H
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 -40°C to +85°C
Storage temperature -40°C to +85°C
Relative humidity 98% Non condensing
Shock endurance / functional 100g 6msec saw-tooth per IEC 60068-2-27:2009
Vibration endurance 20g @ 10 to 2000 Hz sweep per IEC 60068-2-6
Protection IP 40

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OD
- 25 mm
- 35 mm
- 60 mm
- 80 mm
- 100 mm
- 140 mm
- 170 mm
- 247 mm
Output
- BiSS
- SSi
Resolution
- 17 bit
- 18 bit
- 19 bit
- 20 bit
- 21 bit
- 22 bit
- 23 bit
Bit
- BIT
Shaft-turn Counter
- 4,096
- 8,192
- 16,384
- 32,768
Interconnection
- Horizontal Connector
- Vertical Connector
Rotor Type
- End Shaft - Single Screw Rotor
- Hollow Shaft Encoder
Custom
- Extended Accuracy

Part Number:

VLX

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Meet our users

VLX-247 | ABSOLUTE ROTARY ENCODER VLX | Robotics & Industry | Hollow Shaft

VLX-247

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