EQN Heidenhain Encoder

The HEIDENHAIN ECN/EQN 1100 series is a compact, high-precision absolute rotary encoder designed for internal motor installation in demanding industrial automation and motion control applications. Featuring an integral bearing, blind hollow shaft, and direct shaft coupling, it delivers highly accurate position feedback while simplifying installation and improving system rigidity. With support for up to 8,388,608 positions per revolution, multiturn capability of up to 4,096 revolutions, and operation at temperatures up to 115°C, the ECN/EQN 1100 series is an ideal solution for servo motors, CNC machinery, robotics, and other high-performance drive systems requiring exceptional accuracy and reliability.

Key Features

• High-resolution absolute position measurement with up to 8,388,608 positions per revolution
• Multiturn functionality supporting up to 4,096 revolutions
• Compact 35 mm housing for space-constrained installations
• Blind hollow shaft design for direct shaft coupling without additional rotor coupling
• Integral bearing construction for enhanced stability and long service life
• Positioning accuracy down to ±60 arc seconds
• Stator coupling compensates for axial movement up to ±0.5 mm
• Supports EnDat interface for reliable digital communication
• Operates in temperatures up to 115°C for demanding industrial environments
• Available with functional safety options for applications up to SIL 2
• High mechanical rigidity improves control-loop performance and reduces positioning errors
• Ideal for servo drives, CNC machines, robotics, factory automation, and precision motion control systems.