# OPC to OPC with transaction group

**URL:** <https://forum.inductiveautomation.com/t/opc-to-opc-with-transaction-group/40630>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [November 13, 2020, 2:06pm UTC](https://forum.inductiveautomation.com/t/opc-to-opc-with-transaction-group/40630 "2020-11-13T14:06:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![brandon1](https://avatars.discourse-cdn.com/v4/letter/b/ea666f/32.png) [@brandon1](https://forum.inductiveautomation.com/u/brandon1)\
**Post date:** [November 13, 2020, 2:06pm UTC](https://forum.inductiveautomation.com/t/opc-to-opc-with-transaction-group/40630/1 "2020-11-13T14:06:26Z")

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I would like to move data between PLCs using a transaction group. Is this possible?

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**Author:** ![JordanCClark](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jordancclark/32/83362_2.png) [@JordanCClark](https://forum.inductiveautomation.com/u/JordanCClark)\
**Post date:** [November 13, 2020, 6:47pm UTC](https://forum.inductiveautomation.com/t/opc-to-opc-with-transaction-group/40630/2 "2020-11-13T18:47:32Z")

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Yes. Use an expression item to get the value of the first tag, and set the write target to the other tag.

This example doesn’t use OPC tags, but the method is the same.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/4/a/4abd555d57eab238066ba2001120916280347db0.png)

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/4/b/4b9df9692c0c6ea515af71be92944a9065b57b6d.png)

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/b/0/b0ebabba33b0de52f1ad867a7222475e7a8e2f0e.png)