An instance of data type ‎IoDrvEtherCAT‎ is created for each EtherCAT Master that is inserted into the device tree. The name of the instance corresponds to the name of the master in the device tree. The availability of the instance is displayed on the “IEC Objects” tab of the device editor.

An instance of data type ‎ETCSlave‎ is created for each EtherCAT Slave that is inserted into the device tree. The name of the instance corresponds to the name of the slave in the device tree. The availability of the instance is displayed on the “IEC Objects” tab of the device editor. The slave instance is used in the application to query or change the state of the slave at runtime.

For more information, see: ⮫ “Status Page (Master and Slave) ”