# OPC communication with Rockwell PLC

**URL:** <https://forum.inductiveautomation.com/t/opc-communication-with-rockwell-plc/93612>\
**Category:** Ignition\
**Tags:** vision\
**Created:** [July 23, 2024, 4:23pm UTC](https://forum.inductiveautomation.com/t/opc-communication-with-rockwell-plc/93612 "2024-07-23T16:23:32Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [July 23, 2024, 4:33pm UTC](https://forum.inductiveautomation.com/t/opc-communication-with-rockwell-plc/93612/2 "2024-07-23T16:33:03Z")

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> [@Mohammed\_Afzal](#):
>
> and added all the PLC tags in tag provider

This is a common mistake that overloads drivers. Only create Ignition tags for the OPC items (PLC tags) that you actually need.

If, after you prune down to actually used tags, you still have issues, you may need to restructure some data in your PLC to help external access. See this topic and the topics its links:

> [@Ignition & Logix Best Practice Tips for better communications](https://forum.inductiveautomation.com/t/ignition-logix-best-practice-tips-for-better-communications/60386):
>
> Hi All, After a whole bunch of issues I have gone down the rabbit hole of what is wrong with our setup on site. I will preface this by saying I a relatively new to all of this.... so be gentle stuck_out_tongue Based on much reading(such wow) I believe I have a list of things our site could take away for a better system. Some of them are easy to implement, whilst some of them need... significant work to realize. Especially the AOI approach in point 5 expressionless Before going too far a…

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