Step 1. Create an AS300 project file, open HWCONFIG and select device setting. Step 2. Choose ‘Data Exchange-Ethernet’ and click “Add” for remote device setting of the required IP address and remote device type. Step 3. Download and save the device setting of PLC AS300. Step 4. For HMI, link “Internal Memory” for device type ($) and address/value input. Step 5. Use ‘Device Monitor Table’ and HMI simulator to input the values of D0~D4 and receive values of D10~D14 for completion of the AS300 and DOP-B data exchange.