More beginner questions!!

[rupej]

^ Not sure I follow. The terms sourcing and sinking always refer to conventional current flow, no?

 

[dogleg43]

^ Not sure I follow. The terms sourcing and sinking always refer to conventional current flow, no?

Those terms are so confusing. Some manufacturers’ (AB) documentation is inconsistent and causes further confusion.

Think of it this way: do you want to switch the + wire or the - wire.

 

[geniusintraining]

Think of it this way: do you want to switch the + wire or the - wire.

I think of as supplying not switch, but you need to do what works for you... AD always has good simplistic drawings for their PLC's