High Precision Rotary Encoder : Discover Netzer's VLX 80

VLX-80

The Netzer VLX-80 Absolute Rotary Encoder delivers up to 23-bit resolution with 0.006 Degree accuracy, all in an ultra-thin (<10 mm) and lightweight (<34g) design. Built with advanced capacitive sensing technology, it provides contactless, high-reliability performance without mechanical wear—ideal for aerospace, robotics, and precision automation applications.

Designed for seamless integration, the VLX-80 features a hollow, low-inertia structure, optimizing motion system efficiency and dynamic response, looking for cutting-edge rotary feedback in a compact form. The VLX-80 sets a new benchmark in precision engineering.

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Features

Versatile hollow shaft with a wide inner diameter for flexible mounting
Industry-leading precision under 0.006 degrees
Energy-efficient design with low power consumption
Wear-free performance ensured by contactless operation
Ultra-lightweight build to minimize system inertia
extended mean time between failures

Unique Values

Light weigth
Small Size
Wide mounting
Repeatability

OD

80 mm
ID

35 mm
Height

9.6 mm
Weight

33 gr
Resolution

17-23 bit
Accuracy

±0.010° / 0.006°˚

Technical Data

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General

Angular resolution 17-23 bit
Nominal position accuracy ±0.010° / ±0.006°
Repeatability 0.7 mdeg / 2.5 Arcsec
Maximum operational speed 2,000 rpm
Measurement range Single Turn absolute with optional shaft turn counter
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 ±0.1 mm
Rotor inertia 9,625 gr · mm²
Total weight 33 gr
Outer diameter / Inner diameter / Profile 80 / 35 / 9.6 mm
Material (stator / rotor) FR4
Nominal air gap (stator, rotor) 0.6 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 (ID - 2.2 mm)
- 35 mm (ID - 11 mm)
- 60 mm (ID - 25 mm)
- 80 mm (ID - 35 mm)
- 100 mm (ID - 48 mm)
- 140 mm (ID - 90 mm)
- 170 mm (ID - 110 mm)
- 247 mm (ID - 171 mm)
Communication
- BiSS
- SSi
Resolution
- 16 bit
- 17 bit
- 18 bit
- 19 bit
- 20 bit
- 21 bit
- 22 bit
- 23 bit
BIT
- Disabled
- Enabled
Shaft-turn Counter
- 2,048
- 4,096
- 8,192
- 16,384
- 32,768
- None
Interconnection
- Horizontal Connector
- Vertical Connector
Rotor Type
- Hollow Shaft Encoder
- End Shaft - Single Screw- VL35
- End Shaft - Single Screw VL25
- Shaft with Insert
Extended Accuracy
- Enabled
- Disabled