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PID unstable v 2.1 #94

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Peik79 opened this issue Oct 4, 2016 · 1 comment
Open

PID unstable v 2.1 #94

Peik79 opened this issue Oct 4, 2016 · 1 comment

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@Peik79
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Peik79 commented Oct 4, 2016

Hi
I've been having problems with PID control on my systen .. SSR activated despite the thermostat detects temperatures above set temperature. This most often happens if I change the set temp or adding cold water (during testing). After this temp fluctuate as much as 1.5 degree above set temp. This usually happens after a time of testing at different temperatures. Is there an auto-tuning function? Or other tips that could reach the temperature stable?

skjermbilde 2016-10-04 kl 23 27 45
skjermbilde 2016-10-04 kl 23 18 19
@Peik79
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Peik79 commented Oct 4, 2016

the two dips is when I added some water during testing. After this turns temperatures that you see on the graph, more than what I'm used to in previous tests.

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@Peik79