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PID compact query

Created by: ASP-SIM at: 3/22/2011 10:19 PM (1 Replies)

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3/22/2011 10:19 PM	Rate (0)
ASP-SIM Posts: 2 Rating: (0)	When im using the PID compact block the seems to be a good tune on the input compared to the setpoint ... but the output is working unsteady and this means that the valve attached to the output is stroking up and down alot . not a very healthy state. This is when i use the auto tune function. And there is also no respons to the settings when i try to put into my own PID values ....
ASP-SIM Posts: 2 Rating: (0)
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3/23/2011 11:00 AM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 1/22/2025 Posts: 4396 Rating: (1464)	Hi, there is two methods to optimize a PID in STEP 7 Basic 10.5: by step or "in fly". You can test the other method in your case. There is also some tips to work in manual mode in: /tf/WW/en/Posts/33957#top
	Denilson Pegaia Siemens Industry Sector Technical Support
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