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FB41 PID Controller

Created by: Siemen-Stains at: 6/29/2006 6:52 AM (3 Replies)

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6/29/2006 6:52 AM	Rate (0)
Siemen-Stains Posts: 101 Rating: (0)	After performing some rate of change tests on FB41, i discovered thet the block acts like an "IDEAL" or "SEIRAL" PID not a "PARALLEL" as is stated in the help documentation. Then the help file contradicts itself as the process block diagram actually shows an "IDEAL" configuration. Is this help file going to get corrected i wonder? Or is there translation problem here? Im glad i noticed it because the calcs i made for the loop were based on 'parallel' and it would have shut our plant down. As with the calcs I made based on 'ideal' are perfect.
Siemen-Stains Posts: 101 Rating: (0)	Last edited by: Siemen_Staines at: 6/29/2006 6:59 AM Last edited by: Siemen_Staines at: 6/29/2006 6:58 AM
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6/29/2006 7:56 PM	Rate (0)
Denilson Pegaia Platinum Member Joined: 9/23/2005 Last visit: 10/10/2024 Posts: 4349 Rating: (1446)	Excuse-me, but what you intend as SERIAL, PARALEL and IDEAL PID?
	Denilson Pegaia Siemens Industry Sector Technical Support
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6/30/2006 1:41 AM	Rate (0)
Siemen-Stains Posts: 101 Rating: (0)	IDEAL Algorithm Output K=(1+1/Tis+Tds/&Tds+1)+bias PARALLEL Algorithm Output K=1+1/Tis+Tds/&Tds+1+bias
Siemen-Stains Posts: 101 Rating: (0)
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6/30/2006 9:22 AM	Rate (0)
Tomcat Posts: 433 Rating: (48)	Hello Siemen_Staines, where is the difference between these formulas? I see only a bracket, which is not necessary. Tomcat
Tomcat Posts: 433 Rating: (48)
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