Sinking and Sourcing PLC Inputs Explained | What is the Difference? ▶ Check out the full blog post over at https://realpars.com/sinking-and-sourcing In this video, we’re going to talk about Sinking and Sourcing PLC digital input modules and how they are connected to field devices. We will be using a Siemens digital input module 6ES7321-1BP00-0AA0. http://bit.ly/3l4xFbb A digital input module accepts inputs from digital devices such as switches and proximity sensors. The input module will detect