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DetailsHigh-reliability, high-resolution multi-turn absolute encoder with battery-backed 16-bit multi-turn counter. Features 23 to 25-bit selectable single-turn resolution, RS485 2.5MHz serial communication, and ∅10 conical shaft with 1:10 taper. Designed for precision servo motor feedback applications requiring high positional accuracy.
This product 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.
| Parameter | Specification |
|---|---|
| Single-Turn Resolution | 8,388,608 (23-bit) ~ 33,554,432 (25-bit) selectable |
| Multi-Turn Counter | 16-bit (65,536 turns, battery-backed retention) |
| Absolute Positioning Accuracy | < ±50 arc-seconds (depends on motor & assembly fit) |
| Repeatability Accuracy | < ±3 arc-seconds (depends on motor & assembly fit) |
| Interface Protocol | RS485 |
| Baud Rate | 2.5 MHz | Communication frequency ≤ 16K| Communication frequency ≤ 16K |
| Shaft Diameter | ∅10 conical shaft, taper 1:10 |
| Allowable Shaft Deviation | Axial: ±0.5mm / Radial: ±0.02mm / Dip Angle: 0.1° / Endplay: <0.1mm / Runout: <0.01mm |
| Max Operating Speed | 6,000 rpm |
| Moment of Inertia | 0.68 kg·mm² |
| Rotor Angular Acceleration | Powered: ≤80,000 rad/s² / Battery: ≤4,000 rad/s² |
| Current Consumption | < 120 mA |
| Battery Voltage | 3.6V DC (Warning: 3.1V / Fault: 2.5V) |
| Supply Voltage | Single 5V DC |
| Operating Temperature | -20 °C to +105 °C |
| Relative Humidity | ≤90% (40°C/21d, EN 60068-2-78, non-condensing) |
| Ingress Protection | IP40 |
| Mechanical Shock | 980 m/s² (100G), 11ms, 3 times per XYZ (18 total) |
| Vibration | 10-55Hz 1.5mm / 55-2000Hz 98 m/s² |
| Rise/Fall Time | Around 100ns |
| Insulation Resistance | 50 MΩ |
EPOCH supplies mounting accessories for the RZ7810 series. Refer to the mechanical dimension drawing for detailed mounting hole layout (4-∅4.5 through holes).
| Reference | Description |
|---|---|
| MD1510-701A | Mounting accessory for RZ7810 series |
| MN3010-701A | Mounting accessory for RZ7810 series |
4-∅4.5 mounting through holes. ∅10 conical shaft with 1:10 taper. Refer to the official RZ7810 mechanical dimension drawing for full specifications.
RZ7810A Mechanical Dimension Drawing
MD1510-701AMechanical Dimension Drawing
MN3010-701A Mechanical Dimension Drawing
| Function | 5V | GND | 485+ | 485- | Battery + | Battery GND | Shield |
|---|---|---|---|---|---|---|---|
| Cable Color | Red | Black | Blue | Yellow | Brown | White | Shielded Mesh |
Example Part Number
RZ7810A 23 M T F 5V G0.35m
* Protocols marked with asterisk can be customized. Contact EPOCH sales for custom ordering configurations.
The EPOCH RZ7810 is a high-resolution multi-turn absolute encoder with 23-25 bit selectable resolution, RS485 2.5MHz communication, and ∅10 conical shaft with 1:10 taper. Designed as an alternative for precision servo motor feedback applications requiring high positional accuracy. Engineers should verify shaft dimensions, mounting pattern, and protocol requirements before specifying.
EPOCH is an independent encoder manufacturer. Verify all mechanical and electrical parameters before integration.
Q: What resolution options does the RZ7810 offer?
The RZ7810 supports selectable single-turn resolution from 23-bit (8,388,608 steps) to 25-bit (33,554,432 steps), combined with a 16-bit multi-turn counter for absolute position tracking over 65,536 revolutions.
Q: What shaft type does the RZ7810 use?
The RZ7810 features a ∅10 conical shaft with 1:10 taper, suitable for precision servo motor integration requiring a tapered shaft fit.
Q: What is the battery specification for multi-turn retention?
External battery 3.6V DC. Low battery warning at 3.1V; fault threshold at 2.5V. Current consumption < 120mA.
Need custom resolution configuration, specialized connectors, or bulk pricing? Contact our sales team.
| Item | Description | QTY/Box | Boxes /Carton | G.W | N.W | QTY /Carton | Package Size |
| RZ7810 | RZ7810 23-25Bit Absolute Encoder Multi-turn | 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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| RZ Series | RS485 | Φ48mm | 17~23 Bits | Single/Multi-Turn | Differential output | -20°C-+105°C | 16K | 6000rpm | IP40 | |
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| UZ Series | 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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| RS9100 Series | / | / | / | / | / | -40°C to +85°C | / | / | / | |
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| RS971 | / | / | / | / | / | -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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| 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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| 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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Essential for Precision and Reliability in Medical Equipment
Improve Automation and Efficiency in Various Robotic Applications
Improve the Efficiency and Reliability of Automation Systems
Accurate Feedback on Position and Speed
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