From OpenSCADAWiki
To add a new parameter we open the page of our controller object and on the popup menu of the item "CM 101" we'll click "Add" — we'll name "AT101_1 (AT 101_1)".
To add a new parameter we open the page of our controller object and on the popup menu of the item "CM 101" we'll click "Add" — we'll name "AT101_1 (AT 101_1)".