# Perspective Power Chart No Trend Data Source available?

**URL:** <https://forum.inductiveautomation.com/t/perspective-power-chart-no-trend-data-source-available/90552>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [May 17, 2024, 9:40am UTC](https://forum.inductiveautomation.com/t/perspective-power-chart-no-trend-data-source-available/90552 "2024-05-17T09:40:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![taohongyu88](https://avatars.discourse-cdn.com/v4/letter/t/f05b48/32.png) [@taohongyu88](https://forum.inductiveautomation.com/u/taohongyu88)\
**Post date:** [May 17, 2024, 9:40am UTC](https://forum.inductiveautomation.com/t/perspective-power-chart-no-trend-data-source-available/90552/1 "2024-05-17T09:40:32Z")

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Perspective PowerChart No Trend Data Source available?  
Some tags are normal,but some tags are wrong?

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/9/b/9b9757ee9a0dfeb7945d6fddb98bc3d1f8503e58.png)

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**Author:** ![taohongyu88](https://avatars.discourse-cdn.com/v4/letter/t/f05b48/32.png) [@taohongyu88](https://forum.inductiveautomation.com/u/taohongyu88)\
**Post date:** [June 12, 2024, 7:49am UTC](https://forum.inductiveautomation.com/t/perspective-power-chart-no-trend-data-source-available/90552/2 "2024-06-12T07:49:53Z")

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Because no data in the startTime and EndTIme.