# system.opc.readValues returns null

**URL:** <https://forum.inductiveautomation.com/t/system-opc-readvalues-returns-null/40587>\
**Category:** Ignition\
**Tags:** ignition80, scripting\
**Created:** [November 12, 2020, 4:18pm UTC](https://forum.inductiveautomation.com/t/system-opc-readvalues-returns-null/40587 "2020-11-12T16:18:24Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![imt.sebastian.sanche](https://avatars.discourse-cdn.com/v4/letter/i/ecb155/32.png) [@imt.sebastian.sanche](https://forum.inductiveautomation.com/u/imt.sebastian.sanche)\
**Post date:** [February 20, 2024, 10:57pm UTC](https://forum.inductiveautomation.com/t/system-opc-readvalues-returns-null/40587/18 "2024-02-20T22:57:51Z")

</div>

Topic has been created. [OPC Read/Write not working](https://forum.inductiveautomation.com/t/opc-read-write-not-working/86065)

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