You Asked for it — Absolute Shafted Angle Encoders Are Back!

March 28, 2016

absolute shafted angle encodersHEIDENHAIN CORPORATION is pleased to announce the start of series production of the ROC 2000 and ROC 7000, a new family of Absolute Solid Shafted Angle Encoders.

Using the same mechanical connections and “footprint” as their incremental cousins (the ROD series), and the same scanning principles as their hollow-shafted siblings (the RCN series), the ROC Series is the best of both worlds! These are intended to be drop-in replacements for the incremental encoders that have served the industry for years.

These new ROC angle encoders are useful for both new applications or for an upgrade of an existing installation to absolute technology.

To do so, these new angle encoders feature an absolute track with serial code structure and an incremental track that is scanned by means of robust, single field scanning, so there is no need for a homing routine at power-up.

These ROC angle encoders with integral bearing and solid shaft are especially useful for applications that require higher shaft speeds or larger mounting tolerances.  A separate rotor coupling is used for coupling the shaft. This makes it possible to realize axial tolerances of up to ±1 mm depending on the rotor coupling used. The rotor couplings are capable of compensating for axial motion and misalignment between the encoder shaft and the measured shaft.

The ROC 2000 has a system accuracy of ± 5” and a solid 10 mm shaft, while the ROC 7000 has a system accuracy of ± 2” with a solid shaft of 14 mm. They are both available in EnDat 2.2 interface – with or without incremental signals OR Fanuc or Mitsubishi interfaces as well.

Whether rotary encoders are needed for a new application or upgrade to an existing installation to absolute technology – HEIDENHAIN has it covered.

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