---
title: What is an Encoder Index Pulse?
description: Index pulse indicates when the encoder shaft has completed one revolution, necessary for various counting and homing purposes.
---

<https://www.dynapar.com/faq>

# [What is an Encoder Index Pulse?](https://www.dynapar.com/faq/what-is-encoder-index-pulse)

 Written by [London Rhodes](https://www.dynapar.com/faq/author/london-rhodes) | Mar 19, 2021 6:41:44 PM

The index pulse signals when the encoder shaft completes a single revolution. An index pulse is used for precision homing and count verification is various applications. It is better to have an index pulse on your encoder and not need it, rather then need it and not have that option.

[View full post](https://www.dynapar.com/faq/what-is-encoder-index-pulse)

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