# Contrologix Tags Not Showing Up

**URL:** <https://forum.inductiveautomation.com/t/contrologix-tags-not-showing-up/1945>\
**Category:** Ignition\
**Created:** [June 17, 2010, 8:55am UTC](https://forum.inductiveautomation.com/t/contrologix-tags-not-showing-up/1945 "2010-06-17T08:55:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![aidamcg](https://avatars.discourse-cdn.com/v4/letter/a/90db22/32.png) [@aidamcg](https://forum.inductiveautomation.com/u/aidamcg)\
**Post date:** [June 17, 2010, 8:55am UTC](https://forum.inductiveautomation.com/t/contrologix-tags-not-showing-up/1945/1 "2010-06-17T08:55:36Z")

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Hi

I have noticed that if a tag begins with an underscore it does not seem to show up in the OPC tag or SQL tag browser in Ignition. Not a major issue as the tag can be mapped to a new tag without an underscore in the PLC.

Aidan

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**Author:** ![thechtman](https://avatars.discourse-cdn.com/v4/letter/t/e56c9b/32.png) [@thechtman](https://forum.inductiveautomation.com/u/thechtman)\
**Post date:** [June 17, 2010, 3:58pm UTC](https://forum.inductiveautomation.com/t/contrologix-tags-not-showing-up/1945/2 "2010-06-17T15:58:24Z")

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You are correct. ControlLogix tags that begin with an underscore will be supported in the next development release.

Thank you