General

Name
The identifier for the EtherCAT master device can be entered here. The identifier appears in the tree view.
Object Id
In TwinCAT, the master device represents an object within the IO configuration. The "Object Id" text box contains the TwinCAT object identification number.
Type
It shows the device type and its function.
Comment
Freely editable comment to describe the device used. Special, user-defined settings can be entered here, for example.
Disabled
Checking the box disables the device entry for the current configuration, i.e. the device is not included in the configuration calculation.
Create symbols
Create symbols means creating variables as symbolic names.