Heidenhain 1169566-51 (ERN 1331) Incremental Rotary Encoder

Technical Specifications & Overview

The Heidenhain 1169566-51 is an ERN 1331 series incremental rotary encoder with an integral bearing designed for direct motor integration via a stator coupling. Engineered for precise speed and position feedback in dynamic drive platforms, this compact optical encoder utilizes HTL signal output and a rigid tapered shaft connection to deliver reliable measurement accuracy under high dynamic loads.

Key Technical Characteristics

• Manufacturer: Heidenhain

• Part Number / ID: 1169566-51

• Series / Model: ERN 1331

• Encoder Type: Incremental rotary encoder with integral bearing

• Signal Interface: HTL (push-pull)

• Power Supply: 10 V to 30 V DC

• Max. Scanning Frequency: 300.00 kHz

• Shaft Type: 1:10 Tapered shaft (9.25 mm functional diameter)

• Enclosure Rating: IP 40 (EN 60529)

• Operating Temperature: -40 °C to +100 °C

• Electrical Connection: 12-pin double-row straight plug connector

Applications & Industrial Integration

Designed for direct assembly within compact servo drives, the Heidenhain 1169566-51 rotary encoder is widely applied in dynamic automated control systems, including:

• Servo motors and closed-loop motor feedback assemblies

• CNC machine tools and indexing drive axes

• Automated packaging, material handling, and robotics

• Precision indexing platforms and industrial processing equipment

Commercial Assistance & Sourcing

At AtlanTech Drives, we provide expert commercial guidance to help streamline your industrial procurement needs. Contact our sales specialists today to check stock availability, confirm lead times, or receive an immediate competitive quote.