Digital Inputs VM140

Hello to everibody, i’m new of this forum.

Today i received my first vm140.
i,v ethis trouble. When i connect power (+12V) all 8 digital inputs leds go “on” an they shut down if a i connect the relative pin to ground.

Is it correct?

Thank for the help.

[quote]When i connect power (+12V) all 8 digital inputs leds go “on” an they shut down if a i connect the relative pin to ground.

Is it correct?[/quote]Yes, this is correct.