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Question about the TIPS for PID (FB PID_Compact)

12/23/2010 2:11 PM	Rate (0)
DinaTP Posts: 27 Rating: (0)	Hi, I have followed as per your sample PID prog. I need to tune without automatic optimization hence i have selected "Use manual PID par setting" andwriting 3 to "PID_Compact_DB".sRet.i_Mode", while monitoring inPID compact FB" State" it is showing 0. I am inputting the differnetial temperature reading into "input" as Real format. The Ouptut which i configured as percentage. I didn't see any reaction intheoutput.Could u please clarify. Thanks, Dina.
DinaTP Posts: 27 Rating: (0)	Last edited by: CS Moderator at: 12/28/2010 10:54 AM new subject after splitting
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12/24/2010 10:17 AM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 11/14/2024 Posts: 4352 Rating: (1452)	Hi, There is many factos that lead a PID to stay in inative mode. Generally it was listed in the tip https://www.automation.siemens.com/BR/tf/WW/en/Posts/33957#top however, i suggest you program a very light project, just with the PID, to test it, and if the fault stays, post this project to us. Maybe taking a look inside could we see some reason for this behavior.
	Denilson Pegaia Siemens Industry Sector Technical Support
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