# Ignition Does not reflect PLC value change

**URL:** <https://forum.inductiveautomation.com/t/ignition-does-not-reflect-plc-value-change/102831>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [February 25, 2025, 2:30am UTC](https://forum.inductiveautomation.com/t/ignition-does-not-reflect-plc-value-change/102831 "2025-02-25T02:30:00Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![jlandwerlen](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\
**Post date:** [February 25, 2025, 1:21pm UTC](https://forum.inductiveautomation.com/t/ignition-does-not-reflect-plc-value-change/102831/4 "2025-02-25T13:21:44Z")

</div>

This was a recent topic of conversation:

> [@Cannot read some tags inside Rockwell AOI](https://forum.inductiveautomation.com/t/cannot-read-some-tags-inside-rockwell-aoi/38393/71):
>
> Hey Phil, I'm a bit embarrassed to ask, but how in Perspective do you recommend issuing commands from SCADA to xyz\_cmd registers, and having them reset themselves from SCADA (without PLC writing to them) so as to avoid race conditions? This still confuses me.. would you suggest tag value change scripts to do this resetting?

---

_[View the full topic](https://forum.inductiveautomation.com/t/ignition-does-not-reflect-plc-value-change/102831)._