Magnetic Spindle Encoders Have Functionally Safe Axes

Originally titled 'Encoders Have Functionally Safe Axes'

Heidenhain Corp.’s ERM 2200 magnetic modular angle encoders have functional safety in mind as the growing EU standard trend is to require functionally safe axes on machines.

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Heidenhain Corp.’s ERM 2200 magnetic modular angle encoders have functional safety in mind. The ERM series is used by machine manufacturers and, in keeping with the growing EU standard trend requiring functionally safe axes on machines, the company has improved its ERM angle encoders to permit mounting. This includes a mechanical fault exclusion of these encoders, a key requirement in making a machine functionally safe, the company says. 

These changes include fastener mounting holes in the reader head and fastener holes in the scale drum itself. According to the company, while making these changes, the reader head designs were consolidated into a single, smaller footprint so the new heads will drop into the old designed space.