Magnescale SQ47 / SQ57 Absolute Linear SmartScale

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High‑Resolution Absolute Linear Encoders for Precision CNC Positioning

The Magnescale SQ47 and SQ57 SmartScale series are high‑precision absolute linear encoders designed for CNC machine tools and advanced motion systems.

Using a non‑contact magnetic sensing principle with exposed scale architecture, they deliver ultra‑high resolution, excellent environmental resistance and reliable long‑term positioning performance. Compatible with major CNC systems including FANUC, Mitsubishi Electric, YASKAWA, SIEMENS and BiSS‑C (SQ57), they integrate easily into modern machine tools.

Key features

Ultra‑high resolution feedback – Achieves up to 5 nm (0.005 µm) resolution for precision positioning
Absolute position detection – Provides true position data without homing, improving safety and efficiency
Non‑contact measurement system – Eliminates mechanical wear for long service life and stable performance
Resistant to harsh environments – Sealed IP67 construction protects against coolant, oil and debris
No air purging required – Reliable operation even in contaminated machine tool environments
Wide gap and tolerance – Greater installation flexibility and reduced sensitivity to alignment

Magnescale SQ47 SQ57 SmartScale Linear Encoder - Website

Scale connected to three cables branching to Protocols: CH22 to Siemens DRIVE-CLIQ, CH23 to Mitsubishi Electric YASKAWA, and CH23A to FANUC.

How it works

The SQ47 / SQ57 use advanced magnetic sensing with a separate scale and sensor head:

Non‑contact detection ensures consistent accuracy
Absolute signal output provides instant position feedback
High‑sensitivity sensing improves interpolation accuracy

This results in:

Stable positioning performance
Reduced installation constraints
Long‑term reliability in demanding applications

Typical applications

CNC machining centres
Precision positioning systems
Linear axes and machine tool slides
Automation and production equipment
Applications requiring high resolution and robust operation

Compatible systems

Supports major CNC control platforms:
FANUC
Mitsubishi Electric
YASKAWA
SIEMENS
BiSS‑C (SQ57)

Why choose SQ47 / SQ57 SmartScale?

Combines ultra‑high resolution with industrial durability
Ideal for precision machining and motion control
Works reliably in coolant‑rich environments without additional protection systems
Provides flexible installation with wide tolerance capability