“Sinking and Sourcing – describes a current signal flow relationship between field input and output devices in a control system and their power supply.
Sourcing I/O modules supply (or source) current to sinking field devices.
Sinking I/O modules receive (or sink) current from sourcing field devices.”
PLC Sinking and Sourcing
2 comments
graphics are switched too fast !! i. cant read them
Any possibility of manually switching graphics.