Check this Out
Category: Control Systems
https://youtu.be/hEzQt7pQ86I
https://youtu.be/DuRHyxSz_mk
https://youtu.be/qEB9o9r0x9M
General IoT Administration Functionality with Sealevel Systems
https://youtu.be/eRwsBWWxBh4
https://www.youtube.com/watch?v=gspMid-kS-I&feature=youtu.be
Best Guide to Understanding Ladder Logic – Counters and Timers
In this video, Corey shows how to use a PLC for latching relays as well as counters and timers. https://www.youtube.com/watch?v=aXhhi__FxmE