Product Overview: Heidenhain 310126-03 (ERN 480)
The Heidenhain 310126-03 is a high-reliability incremental rotary encoder belonging to the robust ERN 400 series. Specifically designated as an ERN 480, this model is engineered for industrial automation tasks that demand precise speed and position feedback. It utilizes a 1Vpp sinusoidal interface, which is globally recognized for its high noise immunity and its ability to be interpolated into significantly higher resolutions at the controller level.
Technical Specifications and Performance
The ERN 480 series features an integrated stator coupling, which provides a rigid mechanical connection while allowing for axial and radial misalignments. The 310126-03 typically offers a line count of 5000, ensuring high granularity for motion control systems. Its optical scanning principle, based on the DIADUR process, ensures that the measurement signals remain stable even in environments subject to high temperatures and vibrations.
Key Technical Characteristics
- Part Number: 310126-03.
- Model: ERN 480.
- Output Signal: 1Vpp (Sinusoidal).
- Line Count: 5000 lines.
- Shaft Type: Hollow shaft (12mm).
- Power Supply: 5V DC ± 5%.
- Max Speed: 6,000 rpm.
- Protection: IP64 rating.
Industrial Durability and Mounting
The 310126-03 is designed for easy installation on motor housings and machine frames. The hollow shaft design with a clamping ring simplifies the mechanical interface, reducing the need for flexible couplings that can introduce backlash. With a wide operating temperature range and a robust aluminum housing, this encoder is ideal for auxiliary axes in machine tools, woodworking machinery, and textile equipment.
| Feature | Detail |
| System Accuracy | ±20″ |
| Vibration Resistance | 300 m/s² (55 to 2000 Hz) |
| Connection | M23 Flange socket (12-pin) |
Frequently Asked Questions
Is this compatible with 24V systems? No, the ERN 480 with 1Vpp signal strictly requires a 5V DC supply. What is the maximum cable length? With high-quality shielded Heidenhain cables, signals can be transmitted up to 150 meters without significant degradation.
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