Unable to get digital inputs to activate.

I am running the updated Firmware on GHL Profilux 4 7.18.

I am attempting to use the P4 to control the top off in my R/O from my barrel tender from Avast Marine.

The PLM-ADIN ad-on card is seen by the controller.
as documented in the connection tab

I am using the following programing for that function
Programmable Logic 1

Digital Input 1
Digital Input 2 [inverted]
Function SR-flipflop

My problem is in the Digital Input settings, I can not get the box to respond when I click over the box. Therefore, I am unable to activate digital 2 command.

/Users/RyanReeves1/Desktop/IMG_9743.jpeg

I M Having the same issue. Did you ever get yours working?