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Need help with TIA portal V11 SP2+S7-314PLC+ step PID

Created by: Banginis123 at: 8/6/2013 1:09 PM (4 Replies)

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8/6/2013 1:09 PM	Rate (0)
Banginis123 Experienced Member Joined: 11/25/2010 Last visit: 11/28/2023 Posts: 20 Rating: (9)	Hello, i have problem with TIA portal V11 SP2 and S7-314 PLC. I need step PID with Derivative action. I'm usingCONT_S, but it does not hasDerivative. Maybe somebody has solve it?
	Last edited by: Banginis123 at: 8/6/2013 1:16 PM
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8/8/2013 4:43 PM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 11/27/2023 Posts: 1916 Rating: (132)	Hello, I'm not sure what is exactly your problem. Please see the link in refer to the FAQ for PID control. http://support.automation.siemens.com/WW/view/de/66995021 With best regards Cicero

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8/8/2013 5:04 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 11/18/2023 Posts: 6822 Rating: (1351)	Banginis123 Hello, i have problem with TIA portal V11 SP2 and S7-314 PLC. I need step PID with Derivative action. I'm usingCONT_S, but it does not hasDerivative. Maybe somebody has solve it? Hello, What is the type of actuator you are using and your process?Normally for integrating actuators such as sliders or motorized operated valves with 2 commands "up" and "down" ,CONT_S is utilized.In case the algorithm is only an adaptive PI.For actuators such as heaters you can try "CONT_C" and "PULSEGEN". We need more information for providing more hints. Best regards Hamid Hosseini
	Last edited by: hdhosseini at: 8/8/2013 6:51 PM Demo Channel on Youtube
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8/8/2013 9:30 PM	Rate (0)
Banginis123 Experienced Member Joined: 11/25/2010 Last visit: 11/28/2023 Posts: 20 Rating: (9)	hdhosseini Banginis123 Hello, i have problem with TIA portal V11 SP2 and S7-314 PLC. I need step PID with Derivative action. I'm usingCONT_S, but it does not hasDerivative. Maybe somebody has solve it? Hello, What is the type of actuator you are using and your process?Normally for integrating actuators such as sliders or motorized operated valves with 2 commands "up" and "down" ,CONT_S is utilized.In case the algorithm is only an adaptive PI.For actuators such as heaters you can try "CONT_C" and "PULSEGEN". We need more information for providing more hints. Best regards Hamid Hosseini Hello, Hamid Actuator - motorized operated valve (commands UP and Down). Process - temperature regulation

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8/9/2013 9:16 AM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 11/18/2023 Posts: 6822 Rating: (1351)	Banginis123 Hello, Hamid Actuator - motorized operated valve (commands UP and Down). Process - temperature regulation You do not need the D part for such an application.For that you need some basic correct setting plus correct gain and integration time.See the following link for more information: Füllstandsregelung mit FB42 schwingt
	Demo Channel on Youtube
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