# Issues using Numeric Text Field

**URL:** <https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797>\
**Category:** General Discussion\
**Created:** [July 16, 2020, 8:44pm UTC](https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797 "2020-07-16T20:44:31Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![kzenner](https://avatars.discourse-cdn.com/v4/letter/k/c77e96/32.png) [@kzenner](https://forum.inductiveautomation.com/u/kzenner)\
**Post date:** [July 16, 2020, 8:44pm UTC](https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797/1 "2020-07-16T20:44:31Z")

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![Annotation 2020-07-16 154008](https://us1.discourse-cdn.com/inductiveautomation/original/3X/3/1/31daba3f001476d5b860031dc338d612a592a05f.png)

I’ve attached a picture of my issue. I’m creating a project to replace a very outdated hmi screen. This project is pretty much a direct duplicate of what the hmi displays for ease of use for the technicians. I’m experiencing issues when trying to enter a value into the Numeric Text Field. The field will accept the value but it won’t get written to the plc tag.

Any input/thoughts would be appreciated! I feel like I’m missing something simple.

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**Author:** ![code\_skin](https://avatars.discourse-cdn.com/v4/letter/c/43a26b/32.png) [@code\_skin](https://forum.inductiveautomation.com/u/code_skin)\
**Post date:** [July 16, 2020, 8:46pm UTC](https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797/2 "2020-07-16T20:46:09Z")

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Expressions aren’t bidirectional.

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**Author:** ![kzenner](https://avatars.discourse-cdn.com/v4/letter/k/c77e96/32.png) [@kzenner](https://forum.inductiveautomation.com/u/kzenner)\
**Post date:** [July 16, 2020, 8:51pm UTC](https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797/3 "2020-07-16T20:51:14Z")

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![Annotation 2020-07-16 155003](https://us1.discourse-cdn.com/inductiveautomation/original/3X/7/5/7597f03b30e5053eed03f8aae8f60fddf532a6fb.png)

Even when tied directly to the tag it won’t update. I do have the Comm Read/Write selected.

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**Author:** ![code\_skin](https://avatars.discourse-cdn.com/v4/letter/c/43a26b/32.png) [@code\_skin](https://forum.inductiveautomation.com/u/code_skin)\
**Post date:** [July 16, 2020, 8:51pm UTC](https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797/4 "2020-07-16T20:51:59Z")

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You will also need to check the bidirectional box at the bottom:

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/5/9/59663152e5c5e95c83cb51560a9419c36f4ec862.png)

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<div class="post-metadata">

**Author:** ![kzenner](https://avatars.discourse-cdn.com/v4/letter/k/c77e96/32.png) [@kzenner](https://forum.inductiveautomation.com/u/kzenner)\
**Post date:** [July 16, 2020, 8:58pm UTC](https://forum.inductiveautomation.com/t/issues-using-numeric-text-field/36797/5 "2020-07-16T20:58:46Z")

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Thank you! This worked.