Hollow Shaft Kit Encoder with Two Plate Design

VLX-170

The Netzer VLX-170 Absolute Rotary Encoder offers up to 23-bit resolution with 0.006 Degree accuracy in an ultra-thin (<10 mm) and lightweight (<106g) design. Powered by contactless capacitive sensing technology, it ensures high-reliability, wear-free performance, making it ideal for demanding applications.

Engineered for aerospace, robotics, defense, and high-precision industrial automation, the VLX-170 features a hollow, low-inertia structure, reducing system mass and enhancing dynamic response. When precision, durability, and compact size matter, the VLX-170 delivers unmatched rotary feedback performance.

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Features

Extreme Precision: Achieves accuracy better than 0.006 degrees, making it ideal for high-precision positioning systems.
Hollow Shaft Design: Optimized for improved dynamic response and seamless integration into rotary motion systems.
EMI & RFI Resistant: Designed to withstand electromagnetic and radio frequency interference, ensuring stable and reliable performance.
Contactless Operation: Utilizes capacitive sensing technology, eliminating mechanical wear and extending lifespan.
Durable & Reliable: Built for long-term use in harsh industrial environments.
Temperature Drift Compensation: Maintains accuracy stability across varying environmental conditions.

Unique Values

Low Profile
Wide mounting
High precision
Scaled Precision

OD

170 mm
ID

110 mm
Height

10 mm
Weight

106 gr
Resolution

17-23 bit
Accuracy

±0.010° / 0.006°˚

Technical Data

Technical Drawing

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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 ±0.3 mm
Rotor inertia 205,330 gr · mm²
Total weight 106 gr
Outer diameter / Inner diameter / Profile 170 / 110 / 10 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

Hollow Shaft Kit Encoder using absolute rotary encoder technology

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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