# Develop HMI without OPC provider, flip OPC tag references quickly **URL:** \ **Category:** Ignition\ **Tags:** ignition81, vision\ **Created:** [August 7, 2023, 3:36pm UTC](https://forum.inductiveautomation.com/t/develop-hmi-without-opc-provider-flip-opc-tag-references-quickly/77527 "2023-08-07T15:36:46Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\ **Post date:** [August 7, 2023, 3:43pm UTC](https://forum.inductiveautomation.com/t/develop-hmi-without-opc-provider-flip-opc-tag-references-quickly/77527/2 "2023-08-07T15:43:35Z")
Do you have the project file for the PLC? If so, you might find this helpful: > [@AB PLC tag import/export](https://forum.inductiveautomation.com/t/ab-plc-tag-import-export/33050/4): > > Start in your gateway’s configuration section, under the OPC Server’s “Device Connections” and click on “Create new Device…”: Select the Ethernet/IP Class1 Host Device: Give it a name and serial number… … and a slot number and listening address (required for external access) then “Create”: Then, in the list of devices, pick the new device’s “More” button, and select “Co… (Read the whole topic for context.) It might be helpful anyways if you are willing to create some datatypes and tags that follow the expected naming conventions of the finished project. When you are done, you delete the EtherNet/IP Host Device and create the Logix device with the same name. Then your OPC tags will seamlessly switch to talking to the real thing. --- _[View the full topic](https://forum.inductiveautomation.com/t/develop-hmi-without-opc-provider-flip-opc-tag-references-quickly/77527)._