Omron NE1A-SCPU01 - 2006 Operation Manual page 227

I/O Refresh Cycle Time and Network Reaction Time
192
The network reaction time
The network reaction time of the NE1A-series Controller is used when calcu-
lating the remote I/O reaction time.
The network reaction time can be checked on the Safety Connections Tab
Page of the Edit Device Parameters Window.
Section 9-3