The Siemens LOGO! is a compact industrial PLC suitable for a huge variety of projects in industry, office and home automation. This tutorial explains the timer functions,
0:00 - Intro
0:03 - On-Delay
3:37 - Off-Delay
5:56 - On/Off-Delay
8:06 - Retentive On-Delay
For an indexed list of videos please see http://quickplc.com.