Rockwell Automation Logix5000 Controllers Security Programming Manual - Manual (Page 15)

Configuring FactoryTalk Security with Logix Designer application Chapter 2
3. On the menu bar, click Edit, and then click Controller Properties.
4. Click the General tab to find the controller name. Write down the name
that appears in the Name field. By default, this is the name of the ACD file
that you use later when applying security to a controller resource on page 20
in the FactoryTalk Administration Console.
Rockwell Automation Publication 1756-PM016G-EN-P - October 2014 15