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Control Temperature with Valve and airflow

Created by: filipefs at: 12/18/2013 10:44 AM (1 Replies)

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12/18/2013 10:44 AM	Rate (0)
filipefs Posts: 10 Rating: (0)	Hello colleagues, I have a situation here that I want to control the temperature with a potentiometer within a range (18 to 23 degrees). So I use the analog input PT100 to display the temperature on the HMI, and whenever I have a temperature higher than 23 degrees, I have to rotate the potentiometer to the left, let say to 21 degrees. This way I will activate the Airflow from the Airco to my system until the moment I will have the desirable temperature, which is 21 degrees. Can someone help me on how to do this? Should I use a PID control, like FB41? If yes, where and how can I use this? Is there any other simple way to solve it? Thanks in advance.
filipefs Posts: 10 Rating: (0)
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12/20/2013 10:13 AM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 11/27/2024 Posts: 1921 Rating: (136)	Hello, see the "Controlling simulated controlled systems in S7-1500 with PID_Compact V2" which do you will find under the following link. I hope it could be meanful for you. http://support.automation.siemens.com/WW/view/de/79047707 With best regards Cicero

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