VLX-Serie Electric Encoder

High-Performance Encoders for Harsh Environments and Critical Systems

The VLX Series Encoders are engineered for high-performance motion control in challenging environments. Offering exceptional accuracy, high resolution, and a compact, lightweight design, these encoders ensure reliable position feedback for mission-critical applications.

Compared to DS Encoders, the VLX Series provides enhanced shock and vibration resistance, improved sealing, and superior operational stability across a wide temperature range.

VLX Series

High-Performance Encoders for Harsh Environments and Critical Systems

Penlink’s VLX Series Encoders are built for applications where precision, durability, and reliability are paramount. Designed to withstand extreme conditions, they provide highly accurate position feedback in demanding industrial and military environments. With rugged construction, high resolution, and superior signal integrity, the VLX Series ensures optimal performance even in the most challenging applications.

Available in multiple sizes, from 25 mm to 247 mm OD, and offering resolutions up to 23-bit, the VLX Series is ideal for industries such as aerospace, industrial automation, robotics, and energy systems. Whether used in high-speed operations or harsh environments, VLX Encoders deliver long-term reliability where standard solutions fall short.

Designed for professionals who demand uncompromising accuracy and dependability, the VLX Series thrives in extreme temperatures, high-vibration conditions, and remote locations. No matter the challenge, these encoders provide consistent performance, maximizing efficiency and system longevity.

High Accuracy & Resolution: Ensures precise position feedback.
Robust & Durable Design: Built for harsh environments with shock and vibration resistance.
Compact & Lightweight: Ideal for space-constrained installations.
Multiple Output Options: Supports various communication protocols.
Temperature Resilience: Operates reliably in extreme temperatures.
Sealed to IP Standards: Protection against dust, moisture, and contaminants.

Model	VLX-25	VLX-35	VLX-60	VLX-80	VLX-100	VLX-140	VLX-170	VLX-247
OD	25 mm	35 mm	60 mm	80 mm	100 mm	140 mm	170 mm	247 mm
ID	2.2 mm	11 mm	25 mm	35 mm	48 mm	90 mm	110 mm	171 mm
Height	6.3 mm	6 mm	8 mm	9.6 mm	9 mm	10 mm	10 mm	10.7 mm
Weight	3.6 gr	7 gr	15 gr	33 gr	40 gr	72 gr	106 gr	220 gr
Resolution	17-21 bit	17-21 bit	17-22 bit	17-23 bit	17-22 bit	17-23 bit	17-23 bit	17-22 bit
Accuracy	±0.035°	±0.035°	±0.015° / 0.010°	±0.010° / 0.006°	±0.010° / 0.006°	±0.010° / 0.006°	±0.010° / 0.006°	±0.010° / 0.006°

Relevant Documents

New Absolute Rotary Encoders for Industrial Automation

Heavy Duty Encoders For Harsh Environments

VLX Series

Technical Specification

General	VLX-25	VLX-35	VLX-60	VLX-80	VLX-100	VLX-140	VLX-170	VLX-247
Angular resolution	17-21 bit	17-21 bit	17-22 bit	17-23 bit	17-22 bit	17-23 bit	17-23 bit	17-22 bit
Nominal position accuracy	±0.035°	±0.035°	±0.015° / ±0.010°	±0.010° / ±0.006°	±0.010° / ±0.006°	±0.010° / ±0.006°	±0.010° / ±0.006°	±0.010° / ±0.006°
Repeatability	2.7 mdeg / 9.9 Arcsec	2.7 mdeg / 9.9 Arcsec	1.4 mdeg / 4.9 Arcsec	0.7 mdeg / 2.5 Arcsec	0.7 mdeg / 2.5 Arcsec	0.7 mdeg / 2.5 Arcsec	0.7 mdeg / 2.5 Arcsec	1.4 mdeg / 4.9 Arcsec
Maximum operational speed	6,000 rpm	6,000 rpm	4,000 rpm	2,000 rpm	4,000 rpm	2,000 rpm	2,000 rpm	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	VLX-25	VLX-35	VLX-60	VLX-80	VLX-100	VLX-140	VLX-170	VLX-247
Allowable mounting eccentricity	±0.1 mm	±0.1 mm	±0.1 mm	±0.1 mm	±0.1 mm	±0.1 mm	±0.1 mm	±0.1 mm
Allowable axial mounting tolerance	±0.15 mm / ±0.2 mm using auto calibration	±0.2 mm	±0.1 mm	±0.1 mm	±0.15 mm	±0.3 mm	±0.3 mm	±0.3 mm
Rotor inertia (gr·mm²)	37.8 gr · mm²	1,930 gr · mm²	2,165 gr · mm²	9,625 gr · mm²	17,928 gr · mm²	88,555 gr · mm²	205,330 gr · mm²	876,053 gr · mm²
Total weight (gr)	3.6 gr	7 gr	15 gr	33 gr	40 gr	72 gr	106 gr	220 gr
Outer Ø / Inner Ø / Height (mm)	25 / 2.2 / 6.3 mm	35 / 11 / 6 mm	60 / 25 / 8 mm	80 / 35 / 9.6 mm	100 / 48 / 9 mm	140 / 90 / 10 mm	170 / 110 / 10 mm	247 / 171 / 10.7 mm
Nominal air gap (stator, rotor)	0.6 mm	0.6 mm +/- 0.2 mm	0.6 mm	0.6 mm	1 mm	1 mm	1 mm	1 mm
Material (stator/rotor)	PBC (FR4)	PBC (FR4)	FR4	FR4	FR4	FR4	FR4	FR4

Electrical	VLX-25	VLX-35	VLX-60	VLX-80	VLX-100	VLX-140	VLX-170	VLX-247
Supply voltage	5V ±5%
Current consumption	~110 mA	~90 mA	~90 mA	~90 mA	~90 mA	~90 mA	~90 mA	~90 mA
Interconnection	Connector: DF52-10S -0.8H	Connector: DF52-10S -0.8H	Connector: DF13A-10P -1.25H	Connector: DF13A-10P -1.25H	Connector: DF13A-10P -1.25H	Connector: DF13A-10P -1.25H	Connector: DF13A-10P -1.25H	Connector: DF13A-10P -1.25H
Communication	SSi / BiSS-C
Output code	Binary
Serial output	Differential RS-422
Clock frequency	0.1-5.0 MHz	0.2-3.0 MHz	0.1-5.0 MHz	0.1-5.0 MHz	0.1-5.0 MHz	0.1-5.0 MHz	0.1-5.0 MHz	0.1-5.0 MHz
Position update rate	35 kHz	28 kHz	35 kHz (Optional – up to 375 kHz)	35 kHz (Optional – up to 375 kHz)	35 kHz (Optional – up to 375 kHz)	35 kHz (Optional – up to 375 kHz)	35 kHz (Optional – up to 375 kHz)	35 kHz (Optional – up to 375 kHz)

Environmental	VLX-25	VLX-35	VLX-60	VLX-80	VLX-100	VLX-140	VLX-170	VLX-247
EMC	IEC 6100-6-2, IEC 6100-6-4
Operating temperature range	-40°C to +85°C
Storage temperature range	-40°C to +85°C
Relative humidity	98% Non-condensing
Shock endurance / functional	100g 6msec saw-tooth per IEC 60068-2-27:2009
Vibration functional	20g @ 10 to 2000 Hz sweep per IEC 60068-2-6
Protection	IP 40