1.Create a new I/O Driver by right-clicking the Server Objects - Drivers and OPC item, selecting the Insert I/O Driver in option, and then selecting the Tutorial project. Select the .dll file referring to the IEC 870-104 Driver and rename this object to "IEC104".

2.On IEC870 tab, configure the Protocol option as IEC 870-5-104 SLAVE.

Protocol option

3.Select the Slave item inside the IEC870 tab and configure the Select/Execute command option with the value handle automatically. This option allows passing all received commands to Tags of a Driver, so that an application does not need to manage responses to an external master system.

Select/Execute Command option

4.Select the Use the following list of pre-defined stations option, click Add, and then configure the new station according to the next figure.

Add Stations option

5.Select the Setup tab and configure the Physical Layer option as Ethernet and the Timeout option as three seconds (3000 ms).

6.Finally, select the Ethernet tab and enable the Listen for connections on port option, configuring this Driver to listen to port 2404.