# Siemens un-optimized addressing.....does this even work?

**URL:** <https://forum.inductiveautomation.com/t/siemens-un-optimized-addressing-does-this-even-work/61537>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [July 5, 2022, 8:00pm UTC](https://forum.inductiveautomation.com/t/siemens-un-optimized-addressing-does-this-even-work/61537 "2022-07-05T20:00:58Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![mjohnson0238](https://avatars.discourse-cdn.com/v4/letter/m/4bbf92/32.png) [@mjohnson0238](https://forum.inductiveautomation.com/u/mjohnson0238)\
**Post date:** [July 5, 2022, 8:16pm UTC](https://forum.inductiveautomation.com/t/siemens-un-optimized-addressing-does-this-even-work/61537/3 "2022-07-05T20:16:37Z")

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> [@Instance db siemens](https://forum.inductiveautomation.com/t/instance-db-siemens/40699):
>
> Hi, I’m doing a migration from WINCC to Ignition, so there are some tags in a DB wich is a instance DB of a FB, so it isn´t a GLOBAL DB. There is any way to acces this instance DB from Ignition? I’m working with Ignition V8.0.12

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