Virtual Relays and Holding Circuits for PLCs (Part 2 of 2)

This video, provided by Columbia Gorge Community College, is the second part of a two part lecture that examines virtual relays. The main objective of the lesson is to "introduce virtual relays as employed in PLC programs[,] examine software generated holding instructions as well as set/latch and reset/unlatch commands." This video runs 16:28 minutes in length. The first part of the lesson is available to view separately.