I'm want display a HOA (HAND/OFF/AUTO) on my screen. Lookout is connected to a Allen Bradley PLC. I am trying to write to a "N" register. I want to write a zero to open all (eg) N7:10 bits, writing a one (1) will close a contact N7:10/0 and writing a two (2) will close N7:10/1 etc. How do I do it? Can I use a radio button and if so, how?