7/5/2023 12:45 AM | |
Joined: 10/15/2022 Last visit: 10/20/2024 Posts: 67 Rating: (2) |
Hello Logo! enthusiasts. I made a demo program for a PWM thermostat. It controls the heating using the PWM method. The length of the PWM period is 1 minute (can be set 1 to 15 minutes). The shortest turn-on time is 3 seconds (if the PWM is 5% and the period is 1 minute). Hysteresis is 4 degrees (can be set 1 to 10 degrees). Tested in Siemens LOGO!8 6ED1052-1MD08-0BA1 with firmware 1.83.02 No heating cables, no real sensor, but potentiometer for simulating. Also Web page enabled (2 pages). Andrus 22.07.2023 minor change in program and added working behaviour example. * The .zip file contains the program, work description, diagram and graph (4 files). AttachmentPWM thermostat demo.zip (514 Downloads) |
Last edited by: Andrus_Saar at: 07/05/2023 00:53:08Last edited by: Andrus_Saar at: 07/05/2023 00:58:39Last edited by: Andrus_Saar at: 07/22/2023 13:58:51Last edited by: Andrus_Saar at: 07/22/2023 14:03:05Last edited by: Andrus_Saar at: 08/08/2023 16:49:53 |
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