AS Series Module Manual 
10-46 
 
10.2.9.4  Topology 
After installing the extension card, use HWCONFIG in ISPSoft to configure the communication. 
  Linear Topology 
  Star Topology 
 
10.2.9.5  Special Data Registers (SR) 
SR  Function 
AS300 
AS200 
OFF 
 
ON 
STOP
 
RUN 
RUN 
 
STOP
Latched 
Attribute 
Default 
AS-FEN02/FOPC02 TCP current connection number 
SR1539 
AS-FEN02/FOPC02 EtherNet/IP Adapter connection 
○  –  0  –  –  N  R  0 
 
Special data 
Refresh time 
The flag is ON, when the system is refreshed automatically. 
 
10.2.9.6  OPC-UA Slave 
When AS-FOPC02 is installed on AS300 Series PLC, it can act as an OPC-UA Sever. Follow the steps below to create 
Tags on AS300 Series PLC via OPC-UA variables.   
(1)  Open ISPSoft and create a new project and then double-click Global OPC-UA Variables under the Global 
Symbols node to open the Global OPC-UA Variables setting table.