Angle Encoders Permit Mounting


Improvements to the ERM 2200 and 2400 series of magnetic modular angle encoders with Functional Safety in mind. The ERM series has long been used by machine manufacturers around the world with great success and enthusiasm.


In keeping with the growing trend requiring “Functionally Safe” axes (an EU standard) on machines, HEIDENHAIN has improved its ERM angle encoders to permit mounting to include a mechanical fault exclusion of these encoders, a key requirement in making a machine Functionally Safe.


These changes include deeper, more robust fastener mounting holes in the reader head and fastener holes in the scale drum itself.  While making these changes, HEIDENHAIN also consolidated the reader head designs into a single, smaller footprint so the new heads will drop into the old designed space.  


Design is best for:

  • the C axis of lathes,
  • rotary and tilting axes (e.g. for speed measurement on direct drives or for integration in gear stages),
  • spindle orientation on milling machines, or for auxiliary axes.
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