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This PowerPoint presentation explains the differences between different types of servo motor feedback devices, including:

  • The differences between absolute and incremental devices.
  • The differences between analog and digital devices.
  • Typical applications for various devices.
  • How to choose the best feedback device for your specific application.
  • How the devices affect servo system performance.

In the AKM Selection Guide (page 60) I am able to find the following specifications for the AKM (1-) 1024 LPR and (2-) 2048 LPR commutating encoders, when paired with AKD:
 

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What are the specifications for the other comcoders offered for the AKM? Specifically-

An Incremental Encoder with Hall is also called a ComCoder, especially in the USA.