Warning
Potential for Data Loss: The steps detailed in the resolution of this article may result in a loss of critical data if not performed properly. Before beginning these steps, make sure all important data is backed up in the event of data loss. If you are unsure or unfamiliar with any complex steps detailed in this article, please contact Product Support Services for assistance.
Issue
How do I change the power line frequency setting on the 7716 / 7718 / 7756?
Environment
I/NET
Hand Held Console (HHC)
Cause
How do I change the power line frequency setting on the 7716, 7718, 7756?
Resolution
Physically remove the I/O points from the controller. See TCON 096 for details.
- Using the HHC, press [Code] , 92, [Enter] to select the AC line frequency
- Press [Inc] or [Dec] to switch between 50 an 60 hertz
- Press [Enter] to accept your choice
- After downloading the software and database, place the external points on the 7716 (or 7718 and 7756)
- Place the controller on the LAN
Note: Code 92 is not required for any of the 779x Interface's. Entering this code on the Hand Held Console will produce the error LED to illuminate.
