Sinking sourcing Output concept of PLC

Outputs

⇒Sinking digital I/O (input/output) provides a grounded connection to the load.

⇒Sourcing digital I/O provides a voltage source to the load.

↪ In sinking soucing concept how to connect output like valve, lamp, motor and some other output devices in which way so, below diagram is for sourcing output.

↪Most commonly used option is
   *Sinking Input &
   *Sourcing Output

➤Sinking Output

⇒Sinking=Common Ground line (-)

➤Sourcing Output

⇒Sourcing=Common Vcc line (+)

 *Thank You*