Heidenhain 377101-4R R0D323 is a high-precision rotary optical encoder (Rotary Encoder).

1. Product Overview

Model designation:
377101-4R is a Heidenhain part number, where “4R” typically indicates that the product belongs to the Series 4 rotary encoders.

Application scope:
This encoder is commonly used on machine tool spindles, CNC systems, and high-precision industrial automation equipment for accurate angular position measurement.

2. Core Specifications (Based on R0D323 Parameters)

The following specifications are based on the internal R0D323 encoder configuration:

• Resolution:
  Extremely high resolution, typically ranging from several thousand to tens of thousands of pulses per revolution (PPR), depending on the specific variant, enabling precise positioning.
• Output signal:
  Incremental output, providing A and B phase signals with phase shift for direction detection.
• Accuracy:
  Very low zero-position error and high repeatability, ensuring long-term stability and precision in CNC machining applications.
• Power supply:
  Typically powered by standard 5 V DC or 24 V DC, depending on the sub-model design.

3. Key Features

• High-precision positioning:
  Heidenhain rotary encoders are renowned for their exceptional accuracy and are widely used in applications requiring ultra-high positioning precision.
• Durability:
  Built with robust housing materials, offering strong resistance to electrical interference and high protection ratings (such as IP68), allowing reliable long-term operation in harsh industrial environments.
• Compatibility:
  Fully compatible with Heidenhain CNC systems (such as the TNC series) and also supports integration with CNC systems from other manufacturers.

4. Typical Applications

• CNC machine tools:
  Used as a feedback device for spindles or machine axes, providing real-time position information.
• Industrial robots:
  Applied to joint angle measurement and position feedback.
• Automation equipment:
  Used for precise angular control and measurement in automated systems.

Conclusion

The Heidenhain 377101-4R R0D323 is a high-end industrial rotary encoder designed for CNC systems and automation equipment that demand extremely high angular measurement accuracy.