Category: CNC & Machine Tool Manufacturing, Linear, Magnescale Linear Encoders

Magnescale SR27A Absolute Linear Encoder

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High‑Accuracy Enclosed Absolute Linear Encoder for CNC Machines

The Magnescale SR27A is a high‑precision absolute linear encoder with an enclosed design, developed for reliable position feedback in CNC machine tools and industrial automation systems.

Using a magnetic, non‑contact sensing principle, the SR27A delivers stable performance in harsh environments while providing accurate, repeatable positioning. It is compatible with major CNC systems including FANUC, Mitsubishi Electric, YASKAWA, SIEMENS (DRIVE‑CLiQ) and Panasonic, ensuring straightforward integration into modern machine tools.

Key features

  • High‑accuracy positioning – Designed for precise linear feedback in demanding applications
  • Absolute position detection – Provides true position data without the need for homing
  • Enclosed, protected design – Protects the scale and sensor from coolant, chips and contamination
  • Reliable in harsh environments – Magnetic sensing ensures stable operation in oil, condensation and temperature variation 
  • Wide application compatibility – Supports leading CNC control systems for flexible integration
Magnescale SR27A Linear Encoder - Website
Magnescale SR27A Linear Encoder configuration - Website

How it works

The SR27A uses a non‑contact magnetic measurement system:

  • Sensor head reads position along an enclosed scale
  • Absolute output provides instant position feedback
  • Magnetic detection ensures consistent accuracy under machine tool conditions

This results in:

  • Stable long‑term performance
  • Reduced maintenance requirements
  • Reliable positioning in real production environments

Typical applications

  • CNC machining centres
  • Precision linear axes
  • Machine tool positioning systems
  • Automation and production equipment
  • Applications requiring protected, high‑accuracy feedback

Compatible systems

The SR27A integrates with leading CNC platforms:

  • • FANUC (α / αi interface)
  • • Mitsubishi Electric
  • • YASKAWA Electric
  • • SIEMENS (DRIVE‑CLiQ)
  • • Panasonic (availability depending on model)

Why choose SR27A?

  • Proven enclosed solution for protected environments
  • Ideal for machine tools requiring reliable linear feedback
  • Maintains accuracy in coolant‑rich and contaminated conditions
  • Compatible with major global CNC control systems

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