Thanks for the clarification! I've got relays in the cart now. ; )

Is there any way to configure the DIO module to operate as a "low side"/"sinking" switch, where the load is between the switch and 24v? I see that "push pull" is an option, but I'm not familiar with this term; from my reading it appears that "push pull" != "low side".

I'm trying to integrate, using ...