May 7, 2020
An INDEX PULSE is a digital signal generated from an incremental encoder on an individual output channel, once per revolution. This unique pulse may be used for several purposes: In conjunction with a counter, it can be used to track the total number of shaft rotations. It may be used...
October 1, 2014
The index pulse, often also called “Z” or “Marker pulse”, of an optical incremental encoder is a once per revolution digital pulse that is used for homing or count verification of incremental signals. In the QD145 and QD200 series of encoders, the index pulse fires when the mark on the...
August 10, 2014
Sometimes you don’t have the right tools to do the job. Let’s say you needed to identify where the index pulse was firing on your incremental encoder, but you left your oscilloscope in your other jacket pocket, and now all you have on hand is a Digital Multimeter (DMM). Well...
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