# Lack of tag historian values

**URL:** <https://forum.inductiveautomation.com/t/lack-of-tag-historian-values/104536>\
**Category:** Ignition\
**Created:** [April 1, 2025, 4:59pm UTC](https://forum.inductiveautomation.com/t/lack-of-tag-historian-values/104536 "2025-04-01T16:59:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Jose\_Hervas\_Chico](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jose_hervas_chico/32/69260_2.png) [@Jose\_Hervas\_Chico](https://forum.inductiveautomation.com/u/Jose_Hervas_Chico)\
**Post date:** [April 1, 2025, 4:59pm UTC](https://forum.inductiveautomation.com/t/lack-of-tag-historian-values/104536/1 "2025-04-01T16:59:18Z")

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Good evening,

I have a historized tag like follows:

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/c/2/c23bec3c04565cbcaef7c551575a6be311306447.png)

It should be registering the values every second (the value is changing continuously).

But when I try to retrieve the values of the last 50 seconds, I find only few entries:

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/a/9/a95b6f978ab431baacc7faa6c718623075e0d96d.png)

Can anyone help me to understand what is happening?

Thanks a lot in advance

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**Author:** ![Transistor](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/transistor/32/3380_2.png) [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\
**Post date:** [April 1, 2025, 5:06pm UTC](https://forum.inductiveautomation.com/t/lack-of-tag-historian-values/104536/2 "2025-04-01T17:06:26Z")

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Try changing your Deadband Style to "Discrete". See [Configuring Tag History | Ignition User Manual](https://www.docs.inductiveautomation.com/docs/8.1/ignition-modules/tag-historian/configuring-tag-history#deadband-discrete-style-and-analog-compression) for more on this.

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<div class="post-metadata">

**Author:** ![Jose\_Hervas\_Chico](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jose_hervas_chico/32/69260_2.png) [@Jose\_Hervas\_Chico](https://forum.inductiveautomation.com/u/Jose_Hervas_Chico)\
**Post date:** [April 2, 2025, 9:54am UTC](https://forum.inductiveautomation.com/t/lack-of-tag-historian-values/104536/3 "2025-04-02T09:54:02Z")

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Worked fine, thanks a lot!