Rockwell Automation 1756-RMxx ControlLogix Enhanced Redundancy System User Manual - Manual (Page 113)

Rockwell Automation Publication 1756-UM535D-EN-P - November 2012 113
Configure the Redundancy Modules Chapter 6
Configuration Tab Use the Configuration tab to set redundancy options and the module’s internal
clock. After you modify a parameter, the Apply Workstation Time button
becomes active.