Right-click on EtherCAT 
Network, and select Create 
Device Variable from the menu. 
 
 
  Safety I/O Function Settings 
 
From the controller selection 
box in the Multiview Explorer, 
select the target Safety CPU 
Unit. 
 
Double-click Parameters 
under NX-SID800 of 
Configurations and Setup. 
Select an output device 
according to the type of 
external device that is 
connected to the safety input 
terminal from the toolbox, and 
drag and drop it on to input 
terminal Si00