PLC Interface Methods (Part 1 of 2)

This video, provided by Columbia Gorge Community College, is the first part of a two part lesson that "examine[s] the placement of emergency stop devices, auxiliary contacts, and overload elements in PLC controlled systems." The lesson also examines "how interposing relays can interface elements intended to operate at different levels of pilot voltage with one another." This video runs 13:55 minutes in length. The second part of the lesson is available to view separately.