How to program a slow pulse width modulation control on a LOGO! with relay outputs. This is suitable for control of slow-cycle heating systems, etc.
0:00 - Intro
0:32 - PWM = pulse width modulation
1:32 - Analog input configuration
4:32 - Add the Asynchronous Timer
6:07 - Fix the "off" time
8:18 - Relay life
11:23 - Recap

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