normad Member Oct 19, 2010 #1 hey guys im trying to turn on a PLC input from my 5V pic.. my first idea was to use a realy but the PIC cannot drive a relay aswell.. so is there any way i can use a transistor to turn on the PLC.. would current sourcing be a problem
hey guys im trying to turn on a PLC input from my 5V pic.. my first idea was to use a realy but the PIC cannot drive a relay aswell.. so is there any way i can use a transistor to turn on the PLC.. would current sourcing be a problem
MikeMl Well-Known Member Most Helpful Member Oct 19, 2010 #2 What voltage swing does the PLC require? How much current do you have to source to the PLC input to call it a "1"? How much current do you have to sink from the PLC input to call it a "0"? Last edited: Oct 19, 2010
What voltage swing does the PLC require? How much current do you have to source to the PLC input to call it a "1"? How much current do you have to sink from the PLC input to call it a "0"?