Allen-Bradley Micro830 Manual page 294

Appendix C Quickstarts
280
4. Double -click the newly added Direct Coil to bring up the Variable
Selector dialog and select "_IO_EM_DO_00".
5. Build the project.
6. Download the project to the controller.
In the Connection Browser dialog, select the Micro850 controller.
7. Select Download current project to the controller.
Rockwell Automation Publication 2080-UM002K-EN-E - March 2019