# Array Tag Siemens

**URL:** <https://forum.inductiveautomation.com/t/array-tag-siemens/74224>\
**Category:** Ignition\
**Tags:** ignition80, ignition81\
**Created:** [May 26, 2023, 3:08pm UTC](https://forum.inductiveautomation.com/t/array-tag-siemens/74224 "2023-05-26T15:08:45Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [May 27, 2023, 12:50pm UTC](https://forum.inductiveautomation.com/t/array-tag-siemens/74224/4 "2023-05-27T12:50:57Z")

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Arrays in the S7-1200 seem to be broken. [This thread](https://forum.inductiveautomation.com/t/opc-connections-between-ignition-and-siemens-plc/73887/10) found the same thing, even when using UaExpert.

The S7-1200 and S7-1500 have entirely independent OPC UA implementations and limitations.

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