Delta C2000 Series User Manual page 503

Mouse operation and keyboard function key (F1 to F12) operation
1. The following screen will appear after a new file has been established:
2. Use the mouse to click on the always-open switch icon
3. After the name of the input device and the comment dialog box have appeared, the device name
(such as "M"), device number (such as "10"), and input comments (such as "auxiliary contact")
can be selected; press the Confirm button when finished.
or press the function key F1:
16-11
PLC Function Applications