Fran Posted December 3, 2021 Report Share Posted December 3, 2021 Hi, I implemented default PID. After 3 cycles of autotune the PID can't control the temperature. I followed help: https://www.unitronicsplc.com/Download/SoftwareHelp/UniLogic_Knowledgebase/index.htm#PID/PID.htm And Video: Attached: Autotune and PID control result Function that I am using. Setup: Controlling the SSR. Output of PWM is connected to A2 of the SSR Heater_PID.ulle Quote Link to comment Share on other sites More sharing options...
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