# OPC connections between Ignition and Siemens PLC

**URL:** <https://forum.inductiveautomation.com/t/opc-connections-between-ignition-and-siemens-plc/73887>\
**Category:** Ignition\
**Tags:** ignition81, perspective\
**Created:** [May 18, 2023, 10:58am UTC](https://forum.inductiveautomation.com/t/opc-connections-between-ignition-and-siemens-plc/73887 "2023-05-18T10:58:57Z")\
**Posts on this page:** 1\
**Showing post:** 10

<div class="post-metadata">

**Author:** ![g.cascales](https://avatars.discourse-cdn.com/v4/letter/g/71c47a/32.png) [@g.cascales](https://forum.inductiveautomation.com/u/g.cascales)\
**Post date:** [May 24, 2023, 12:32pm UTC](https://forum.inductiveautomation.com/t/opc-connections-between-ignition-and-siemens-plc/73887/10 "2023-05-24T12:32:04Z")

</div>

@Davide_Bortolini I tried with UaExpert and seems that the array itself does not have a dedicated NodeId, but each element of the array has a NodeId. Do not know if this is the reason that I cannot get the whole array into a tag in Ignition.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/6/a/6ac62bf1ecf06e4249f9559cb166ac59abc77367.png)

---

_[View the full topic](https://forum.inductiveautomation.com/t/opc-connections-between-ignition-and-siemens-plc/73887)._