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PID_compact or PID_3 step for 3 element PID

12/7/2012 12:09 AM	Rate (0)
OnoMas Posts: 43 Rating: (0)	Hi all, I have some home work in my idle time (jobless ) to observe the application of Boiler Drum Level control. As I get the information from boiler expert it needs 3 element control using; 1.Steam flow - considered demand signal 2.Feed flow - considered response signal (feedback) 3.Drum level - considered supervisory signal. As I create the project in TIA portal there are two PID block in the library and not available for the cascade input. I want to know the philosophy and the configuration of which block suitable for this application. Does any one know and have sample project for me? Attachment ThreeElementDrumLevelControl.jpg (418 Downloads)
OnoMas Posts: 43 Rating: (0)
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12/19/2012 12:19 PM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 1/29/2025 Posts: 1940 Rating: (138)	Hello, there is an optional package PID Professional V11 for STEP 7 V11 (TIA Portal). See the follow link: http://support.automation.siemens.com/WW/view/de/59725617 With best regards Cicero

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