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Step7 Basic v10.5 and PID CONT_S

5/11/2011 6:14 PM	Rate (0)
Dago Regular Member Joined: 8/23/2010 Last visit: 9/11/2024 Posts: 9 Rating: (1)	Hello, first of all congratulations for your excellent work. Using the Basic version Step7 v10.5. It would be possible to obtain information on how to find or implement a function for PID control of a motorized valve (open-stop-close) type CONT_S (FB42) of Step7 v5.4? p.s. I have already reserved the Step7 v11 version but I will be delivered in 10 days (too long) Thank you and good evening

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5/17/2011 10:34 AM	Rate (0)
Vlach Posts: 2 Rating: (0)	Hello This is what i need too. Has anybody answer??
Vlach Posts: 2 Rating: (0)
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5/17/2011 12:43 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 11/4/2024 Posts: 4351 Rating: (1452)	Hi, As product, there is no "PID_S" block in STEP 7 Basic 10.5. In V11 there is a PID_3Steps. In the Forum, at /tf/WW/en/Posts/42960#top , I posted a PWM generator (low frequency). It could be used with PID_Compact to run a intermedirary solution. Other solution is compare the output of the PID_Compact with two fix value and act as enables to cooler and warm functions
	Denilson Pegaia Siemens Industry Sector Technical Support
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5/17/2011 10:14 PM	Rate (0)
Dago Regular Member Joined: 8/23/2010 Last visit: 9/11/2024 Posts: 9 Rating: (1)	Thanks Pegaia. In a few days I'll get the 11 version and I hope to solve the problem. I also thought of doing a comparison on 'output PID_Compact, but then there is the problem of time and pulse pause time to fully closed to fully open, etc. ... unfortunately it is out of my ability, I would not be with a control unstable Thanks anyway, ciao :)

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