Wiring the Vma431 electromagnet

Hi, can you explain the wiring of the vma431, thanks


You can find the instructions in this link.

I always have the instructions, but I want to know, the wiring, please,

If you are going to use the sketch in the instructions
VCC ==> 5volts
GND ==> Ground
Sig ==> 0

Thanks Wrong_way, can you explain NC pin ?
NC ==> ?

NC= No Connection.
Hope that helps.