ECA 4000 series

Absolute optical angle encoders for very high accuracy demands

  • Very high accuracy and excellent signal quality
  • Steel scale drum with three-point centering or centering collar
  • Graduation accuracy: ±1.5” to ±3”
  • Line counts: 8195 to 44,000
  • Signal period: 40 μm
  • Diameters: 104 mm to 560 mm
  • Interfaces: EnDat 2.2, Fanuc, Mitsubishi, Panasonic
Reliable scanning

The ECA 4000 series angle encoders offer scanning reliability thanks to large scanning fields and special signal processing. This, combined with their robust graduation and wide mounting and operating tolerances make for a dependable complete system.

Universally deployable

Universal usage is possible thanks to a wide range of drum diameters, drum geometries, graduation accuracies, and interfaces. Applications include highly accurate rotary axes in machine tools, fast rotating spindles, and highly accurate applications in the metrology and electronics industries.

Application-oriented design

Information about the product

Click the plus signs to learn more about the product.

Simple mounting without loss of accuracy

This massive drum structure prevents any loss of accuracy during mounting. The three-point centering method makes mounting quick and easy.

Diagnostic option

The angle encoders of the ECA 4000 series offer a digital diagnostics interface for all common machine-tool controls.

Product variants

You will be forwarded to the HEIDENHAIN corporate site to view a list of product variants and their documents.