Beckhoff EL3681 Documentation page 55

Commissioning
Adding devices
In the configuration tree of the TwinCAT 2 System Manager user interface on the left, select "I/O Devices"
and then right-click to open a context menu and select "Scan Devices...", or start the action in the menu bar
via . The TwinCAT System Manager may first have to be set to "Config Mode" via or via the
menu
"Actions" → "Set/Reset TwinCAT to Config Mode..." (Shift + F4).
Fig. 33: Select "Scan Devices..."
Confirm the warning message, which follows, and select the "EtherCAT" devices in the dialog:
Fig. 34: Automatic detection of I/O devices: selection of the devices to be integrated
Confirm the message "Find new boxes", in order to determine the terminals connected to the devices. "Free
Run" enables manipulation of input and output values in "Config Mode" and should also be acknowledged.
Based on the example configuration [} 51] described at the beginning of this section, the result is as follows:
EL3681 Version: 3.0 55