High Performance Encoders with Ultra-Precise Motion Control

VLX-35

The Netzer VLX-35 Absolute Rotary Encoder delivers up to 19-bit resolution with 0.035 Degree accuracy in an ultra-thin (<7 mm) and ultra-lightweight (<8g) design, making it one of the smallest high-performance encoders available. Built with contactless capacitive sensing technology, it ensures wear-free operation for long-term reliability in precision motion control systems.

Engineered for aerospace, robotics, medical devices, and compact automation systems, the VLX-35’s hollow, low-inertia structure reduces system weight and enhances dynamic response. If you need high-accuracy rotary feedback in the most compact form factor, the VLX-35 is the ultimate solution for space-sensitive designs.

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Features

Miniature high-precision absolute rotary encoder
Exceptional resilience to electromagnetic and radio frequency interference
Wear-free performance with contactless sensing technology
Optimized mounting flexibility through hollow shaft design
Seamless system integration with an ultra-thin, lightweight build
Advanced temperature drift compensation for enhanced stability

Unique Values

Small Size
Immunity to Magnetic
Hollow Shaft
Light weigth

OD

35 mm
ID

11 mm
Height

6 mm
Weight

7 gr
Resolution

17-19 bit
Accuracy

±0.035˚

Technical Data

Technical Drawing

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General

Angular resolution 17-19 bit
Nominal position accuracy ±0.035°
Repeatability 2.7 mdeg / 9.9 Arcsec
Maximum operational speed 6,000 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 ±0.2 mm
Rotor inertia 1,930 gr · mm²
Total weight 7 gr
Outer Ø / Inner Ø / Height 35 / 11 / 6 mm
Material (stator, rotor) PCB (FR4)
Nominal air gap (stator, rotor) 0.6 mm +/- 0.2 mm

Electrical

Supply voltage 5V ± 5%
Current consumption ~90 mA
Interconnection Connector: DF52-10S -0.8H
Communication SSi / BiSS-C
Output code Binary
Serial output Differential RS-422
Clock frequency 0.2-3.0 MHz
Position update rate 28 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
- 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