Heidenhain 749147-02 (ERN 1387) Incremental Rotary Encoder

Technical Specifications & Overview

The Heidenhain 749147-02 is an ERN 1387 series incremental rotary encoder with integral bearings designed for stator coupling mounting on industrial servo drive systems. Generating 2048 sinusoidal line count pulses per revolution alongside absolute commutation signals, this high-precision motor feedback encoder provides accurate rotational position and velocity control.

Key Technical Characteristics

• Manufacturer: Heidenhain

• Part Number / ID: 749147-02

• Series / Model: ERN 1387

• Line Count / Resolution: 2048 lines per revolution

• Signal Interface: 1 Vpp (~1.05 Vpp) sinusoidal analog signals with 1 sine/cosine commutation track

• Power Supply: 5 V DC (±5%)

• Shaft Design: 1:10 Taper shaft (9.25 mm functional diameter with M10 and M6 back-off threads)

• Degree of Protection: IP 40 (EN 60529)

• Operating Temperature: -40 °C to +120 °C

• Electrical Connection: 14-pin double-row straight plug connector

Applications & Industrial Integration

Specifically built for high-dynamic motor feedback setups requiring precise vector control and initial rotor positioning, the Heidenhain 749147-02 encoder is widely utilized in:

• Elevator traction machines and hoist motors

• Synchronous and asynchronous industrial servo drives

• CNC machine tools and machining centers

• Automated textile and material handling machinery

Commercial Assistance & Sourcing

At AtlanTech Drives, we provide high-level commercial guidance for sourcing critical industrial automation components. Reach out to our specialized sales team to verify warehouse availability, check lead times, or receive an immediate competitive quote.