Chapter 4 System Configuration 
 
4-5 
 
4.1.6 System configuration using dedicated Ethernet between HMIs, PLCs at 
XGR system 
 
At XGR system, Ethernet module should be installed at main base and same slot of A/B bases. 
Ethernet module installed at base acting as MASTER executes the communication service but 
Ethernet module installed at base acting as STANDBY CPU doesn’t execute the 
communication service.