RS Series Bearingless Absolute Encoder

  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder
  • RS Series Bearingless Absolute Encoder

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Technical Data Ordering Information All Moudles

Related Products

Features

  • Working temperature -20 ℃ ~+105 ℃

  • Current consumption < 100mA

  • Battery voltage 3.6V DC

  • Battery fault voltage 2.5V

  • Battery warning voltage 3.1V

  • Differential output

  • Single 5V Supply

  • Rise/Fall time around 100ns

  • Insulated resistance 50MΩ



Technical Parameters



Resolution 131072(17bit) 8388608(23bit)


Moment of inertia 0.68kg·mm2
16 bits multi-turn resolution counter

Absolute positioning accuracy <±50 angular seconds


Note: The specific accuracy depends on the motor and mechanical assembly fit

Rotor angular acceleration

During power supply ≤80000rad/s2

When battery powered ≤4000rad/s2

Repetition positioning accuracy <±3 angular seconds


Note: The specific accuracy depends on the motor and mechanical assembly fit

Mechanicalshock

Impact acceleration 980m/s2

11ms.Impact 3 times in each direction, totally 18 times


Battery voltage fault warning

Vibrate

10 to 55Hz, keeping the amplitude of 1.5mm

Acceleration between 55 and 2000Hz is98ms2

 XYZ 2 hours per axial direction,6 hours intotal

Interface RS485
Communication frequency ≤16K
Baud rate 2.5MHzWorking temperature -20 ℃ ~+105 ℃

Enter allowable deviation of shaft Dip angle:0.1°   

Axial endplay:<0.1mm Radial

runout:<0.01mm

Relative humidity ≤90% (40℃/21d,

based on EN 60068-2 -78) without condensation.

Operation speeds of up to 6000rpmDegree of protection IP40
Shaft diameter:Straight shaft Ø8 / Ø6




Cable Definitions


Pin Number

12345678

Signal Definition

5VGND485+485-

Battery +

Battery GND

NCPE
Cable ColorRedBlackBlueYellowBrownWhite

Shielded Mesh


Technical Parameters

Technical Parameters





 


Mechanical Dimension

RSH430806 Mechanical Dimension Drawing


RSH430806 Recommended motor end dimensions


RSL430806 Mechanical Dimension Drawing


RSL430806 Recommended motor end dimensions


RSH3506 Mechanical Dimension Drawing


RSH3506 Recommended motor end dimensions



RSH3506 Mechanical Dimension Drawing


RSH3506 Recommended motor end dimensions




RSL35R06 Mechanical Dimension Drawing


RSL35R06 Recommended motor end dimensions




Applications 


RS Series Bearingless Absolute Encoder is mainly used for servo-driven control system.Provide feedback information and auxiliary signals required by accurate position and speed control units for the system.

.



    1. Delivers ultra-high absolute positioning accuracy with up to 23-bit single-turn and 16-bit multi-turn resolution for precise rotary and servo applications.

    2. Bearingless, compact architecture allows seamless integration in servo-driven control systems and limited-space industrial assemblies.

    3. RS485 differential interface provides reliable, fast communication up to 2.5 MHz baud rate for demanding automation environments.

    4. Resilient performance across a wide temperature range (-20°C to +105°C), with low current consumption (<100mA) and vibration/shock resistance.

    5. User-friendly design supports a variety of shaft diameters (6mm, 8mm), multi-protocol customization, and robust power-loss resilience via battery backup.

Ordering Information

Ordering Information / Part Number


Technical Parameters


Packaging Information




ItemDescription

QTY/Box

Boxes

/Carton

G.WN.W

QTY

/Carton

Package Size
RS SeriesRS Series Bearingless Absolute Encoder10pcs10boxes0.38kgs0.3kgs100pcs310*130*45mm


Discover all the technical specifications by downloading the datasheet today.




All Rotary Encoder

Part Number Interface Dimensions
(mm)
Resolution Ranges Resolution Counter Communication
Frequency
Working Temperature Communication
Frequency
Operation Speeds Protection
Structure
Footprint 3D Datasheet Sample
RZ35A08 RS485 Φ35mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZ35A09 RS485 Φ35mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZ35D06Q RS485 Φ35mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZ35D06S RS485 Φ35mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZL4408A RS485 Φ44mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZH4409A RS485 Φ44mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZL4409A RS485 Φ44mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZ4809A RS485 Φ48mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
UZ3509 RS485 Φ35mm 1000-5000CPR Single/Multi-Turn Differential output -20°C-+105°C 500khz / IP40
UZ4408 RS485 Φ44mm 1000-5000CPR Single/Multi-Turn Differential output -20°C-+105°C 500khz / IP40
UZ4409 RS485 Φ44mm 1000-5000CPR Single/Multi-Turn Differential output -20°C-+105°C 500khz / IP40
UZ4809 RS485 Φ48mm 1000-5000CPR Single/Multi-Turn Differential output -20°C-+105°C 500khz / IP40
RS972 / / / / / -40°C to +85°C / / /
RS970 / / / / / -40°C to +85°C / / /
RK Series / / / / / -20°C to +85°C / / /
RK Series / / / / / -20°C to +85°C / / /
RF28 / / / Single/Multi-Turn / -40 °C ~+85 °C / / /
RT28 / / / Single/Multi-Turn / -40 °C ~+85 °C / / /
RF20 / / / Single/Multi-Turn / -40 °C ~+85 °C / / /
RR28 / / / Single/Multi-Turn / -40 °C ~+85 °C / / /
RS5 / / / Single/Multi-Turn / / / / /
RSG35 RS485 / 17-23 Bits Single/Multi-Turn ≤16K -20 ℃ ~+105 ℃ 16K 6000rpm IP40
RSU3506 RS485 / 17-24 Bits Single/Multi-Turn ≤16K -20 ℃ ~+105 ℃ 16K 6000rpm IP40
MS Series / / 17 Bits Single/Multi-Turn ≤16K -10℃~105℃ 16K ≤6000rpm /
RZ44 & RZ48 RS485 / 17-23 Bits Single/Multi-Turn ≤16K -20 ℃ ~+105 ℃ 16K 6000rpm IP40
RZ1337A RS485 / 25 Bits Single/Multi-Turn ≤16K -20°C-+105°C 16K 12000rpm IP40
RZ7810 RS485 / 23~25 Bits Single/Multi-Turn ≤16K -20°C-+105°C 16K 6000rpm IP40
RS Series RS485 / 17~23 Bits Single/Multi-Turn ≤16K -20°C-+105°C 16K 6000rpm IP40
RZ35 Series RS485 Φ35mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40
RZ35 Series RS485 Φ35mm 17~23 Bits Single/Multi-Turn Differential output -20°C-+105°C 16K 6000rpm IP40

Application

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