romario86 Posted March 25, 2015 Report Share Posted March 25, 2015 Hello could you help me, I have mashine flow heater and I need regulate a temp of water via PID. But my PID not working good. I did Auto tune, but PID output still hold same value, and auto tune take 1 hour without any results and without change of PID output value. My PID working nearly same. PID set some value and still hold it. no influence on output temperature. Do you have any idea where can be problem. I have now for example 50°C as set temp, and output temp is 57°C Its not good regulation, and PID still hold for example 40% power 'My progam is in Czech language, but maybe somebody help me. PID parameters you can find in subrutine Vypocty>13network Configuration is in main routine. Thanks for help Romario 709_SW_39161RJv1.vlp Quote Link to comment Share on other sites More sharing options...
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