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DetailsWorking 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
Resolution 131072( 17bit ) 8388608( 23 bit ) | 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 2.5MHz | Working temperature -20 ℃ ~+105 ℃ | |
Enter allowable deviation of shaft Axial:±0.5mm Radial:±0.02mm 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 6000rpm | Degree of protection IP40 | |
| Shaft diameter:axis of a cone Ø10 taper 1:10 |
Signal Definition | 5V | GND | 485+ | 485- | Battery + | Battery GND | P |
| Cable Color | Red | Black | Blue | Yellow | Brown | White | Shielded Mesh |
RZH4409A Mechanical Dimension Drawing

RZL4409A Mechanical Dimension Drawing

RZ4809A Mechanical Dimension Drawing

RZL4408A Mechanical Dimension Drawing

RZL4408A Recommended motor end dimensions

Note: Plate springs are selected according to the size of the motor end face
MP4409-002A-40 (C-type-mounting hole d40 Plate spring Mechanical dimension diagramplate sprin

MP4409-001A-55 (D-type-mounting hole d55) Plate spring Mechanical dimension diagramplate sprin

MP4409-003A-40 (CL-type-mounting hole d40) Plate spring Mechanical dimension diagramplate sprin

RZ44 & RZ48 Series Bearing Absolute Encoder for Servo Motor 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.
Up to 23-bit single-turn and 16-bit multi-turn resolution provide ultra-precise absolute positioning.
Robust bearing design with cone shaft (taper 1:10) ensures mechanical stability and easy integration.
Reliable RS485 digital interface supports fast communication with baud rates up to 2.5 MHz.
Wide operating temperature range (-20°C to +105°C) and high shock/vibration resistance meet tough industrial conditions.
Compact sizes (44mm and 48mm outer diameter) and multiple mounting options enhance versatility and compatibility.

| Item | Description | QTY/Box | Boxes /Carton | G.W | N.W | QTY /Carton | Package Size |
| RZ44 & RZ48 | RZ44 & RZ48 Series Bearing Absolute Encoder for Servo Motor | 10pcs | 10boxes | /kgs | /kgs | 100pcs | 310*130*45mm |
Discover all the technical specifications by downloading the datasheet today.
| 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 | ![]() |
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| RZ35A09 | RS485 | Φ35mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZ35D06Q | RS485 | Φ35mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZ35D06S | RS485 | Φ35mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZL4408A | RS485 | Φ44mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZH4409A | RS485 | Φ44mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZL4409A | RS485 | Φ44mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZ4809A | RS485 | Φ48mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| UZ3509 | RS485 | Φ35mm | 1000-5000CPR | Single/Multi-Turn | Differential output | -20°C-+105°C | 500khz | / | IP40 | ![]() |
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| UZ4408 | RS485 | Φ44mm | 1000-5000CPR | Single/Multi-Turn | Differential output | -20°C-+105°C | 500khz | / | IP40 | ![]() |
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| UZ4409 | RS485 | Φ44mm | 1000-5000CPR | Single/Multi-Turn | Differential output | -20°C-+105°C | 500khz | / | IP40 | ![]() |
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| UZ4809 | RS485 | Φ48mm | 1000-5000CPR | Single/Multi-Turn | Differential output | -20°C-+105°C | 500khz | / | IP40 | ![]() |
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| RS972 | / | / | / | / | / | -40°C to +85°C | / | / | / | ![]() |
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| RS970 | / | / | / | / | / | -40°C to +85°C | / | / | / | ![]() |
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| RK Series | / | / | / | / | / | -20°C to +85°C | / | / | / | ![]() |
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| RK Series | / | / | / | / | / | -20°C to +85°C | / | / | / | ![]() |
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| RK Series | / | / | / | / | / | -20°C to +85°C | / | / | / | ![]() |
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| RF28 | / | / | / | Single/Multi-Turn | / | -40 °C ~+85 °C | / | / | / | ![]() |
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| RT28 | / | / | / | Single/Multi-Turn | / | -40 °C ~+85 °C | / | / | / | ![]() |
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| RF20 | / | / | / | Single/Multi-Turn | / | -40 °C ~+85 °C | / | / | / | ![]() |
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| RR28 | / | / | / | Single/Multi-Turn | / | -40 °C ~+85 °C | / | / | / | ![]() |
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| RS5 | / | / | / | Single/Multi-Turn | / | / | / | / | / | ![]() |
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| RSG35 | RS485 | / | 17-23 Bits | Single/Multi-Turn | ≤16K | -20 ℃ ~+105 ℃ | 16K | 6000rpm | IP40 | ![]() |
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| RSU3506 | RS485 | / | 17-24 Bits | Single/Multi-Turn | ≤16K | -20 ℃ ~+105 ℃ | 16K | 6000rpm | IP40 | ![]() |
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| MS Series | / | / | 17 Bits | Single/Multi-Turn | ≤16K | -10℃~105℃ | 16K | ≤6000rpm | / | ![]() |
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| RZ44 & RZ48 | RS485 | / | 17-23 Bits | Single/Multi-Turn | ≤16K | -20 ℃ ~+105 ℃ | 16K | 6000rpm | IP40 | ![]() |
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| RZ1337A | RS485 | / | 25 Bits | Single/Multi-Turn | ≤16K | -20°C-+105°C | 16K | 12000rpm | IP40 | ![]() |
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| RZ7810 | RS485 | / | 23~25 Bits | Single/Multi-Turn | ≤16K | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RS Series | RS485 | / | 17~23 Bits | Single/Multi-Turn | ≤16K | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZ35 Series | RS485 | Φ35mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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| RZ35 Series | RS485 | Φ35mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | ![]() |
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