Complex Channels use a Selector. This selector variable allows you to create configurations that let the user select the channel definition at run time by changing the selector to point to thedesired data definition from the library. The definition and mapped variable are defined in the library set-up screens.o Single purpose inputs will need one input definition as described in the IO Definitions section.o To support changing the I/O channel configuration on the fly, multiple analog I/O definitions are specified in the library. The definitions are added to the analoginput by selecting the Add Definition then checking the required definition from the list that will pop up