4/12/2021 12:16 PM | |
Joined: 12/2/2020 Last visit: 4/12/2024 Posts: 40 Rating: (0) |
Hi, i want to ask you if you solve the problem because I have the same problem. |
4/12/2021 1:21 PM | |
Joined: 9/16/2016 Last visit: 7/30/2024 Posts: 9 Rating: (0) |
NO, I used normal PID compact and neglect the feedback. I think must feedback signal, same type of input signal. |
4/12/2021 2:08 PM | |
Posts: 8 Rating: (2) |
Hello ahmed1986, When you work with the PID Compact and with its autotunning system you need to make sure that you are using consistent configurations of Input and output. You need to check if the possible interval of your input is ok and if your output is ok (as you expect it to be). I have attached some print screens showing a PID Compact that I configured the input between 0 A to 120 A. So, my current must be an analog input that I calculate in my code to be a value between 0 to 120. If my current at the input is between 5 A and 7 A, for example, my PID won't work well. My Output is in %, so it will give me values between 0 % to 100 %. If My output is a voltage that has values of 0 V to 24 V, for example, I need to convert 0 - 100% to 0V - 24V. Besides this configuration that you need to make sure it's consistent, you need to be very careful with your input limits. If (for any reason) your input (Process Value) exceed the value that you have configured (In my example, if it gets 121 A or higher), the PID will stop immediately and I will have to reset the error (Error acknowledge button). I hope this helps! If you like my Answer, please rate me! AttachmentPID Example.pdf (282 Downloads) |
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