# PLC communication write data

**URL:** <https://forum.inductiveautomation.com/t/plc-communication-write-data/28065>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [September 6, 2019, 1:58am UTC](https://forum.inductiveautomation.com/t/plc-communication-write-data/28065 "2019-09-06T01:58:57Z")\
**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:** [September 6, 2019, 1:58am UTC](https://forum.inductiveautomation.com/t/plc-communication-write-data/28065/1 "2019-09-06T01:58:58Z")

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In the vision when write data to PLC,where can I see the result or some messages.

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<div class="post-metadata">

**Author:** ![taohongyu88](https://avatars.discourse-cdn.com/v4/letter/t/f05b48/32.png) [@taohongyu88](https://forum.inductiveautomation.com/u/taohongyu88)\
**Post date:** [December 17, 2023, 7:40am UTC](https://forum.inductiveautomation.com/t/plc-communication-write-data/28065/2 "2023-12-17T07:40:40Z")

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[system.opc.writeValue - Ignition User Manual 8.1 - Ignition Documentation (inductiveautomation.com)](https://docs.inductiveautomation.com/display/DOC81/system.opc.writeValue)

- Returns

Quality - The status of the write. Use returnValue.isGood() to check if the write succeeded. Refer to the list of [writeValue](http://files.inductiveautomation.com/sdk/javadoc/ignition80/8.0.12/com/inductiveautomation/ignition/common/model/values/QualityCode.html) objects