Quote Originally Posted by Matthias View Post
if the 10V come from an external PSU then the above picture is right (in this case you have + and - from the PSU)

if the 10V come from the Meanwell driver you don`t need the connection to -
For the same meanwell driver (ELN-60-48P).

is it possible to use an external PSU with 12V? or different?
is it possible to use same 47k resistor pollup?