Omron NB-series Operation Manual page 336

3 Functions of NB-Designer
After creating a new Event Setting, place 1 Event component, then perform the indirect online test and
the effect is as shown below:
PLC time
"Checked Time" refers to the PT time, therefore we must pay attention to it when using this function.
And it'd better to use it after the time is adjusted well.
3-294 NB-series Programmable Terminals NB-Designer Operation Manual(V106)