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Cannot change PID compact parametres

Created by: whateverman at: 3/21/2013 2:35 PM (1 Replies)

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3/21/2013 2:35 PM	Rate (0)
whateverman Posts: 9 Rating: (0)	Hello, I'm having problems with the PID compact parametres. I can change the parametres, but when i download it to the PLC i won't update in the PLC. As soon as I have downloaded and gone to Online Mode, the parametres is still as the last parametres I had. I can't believe it should be too hard to change the parametres. Please help. I can use the tuning option, but this makes the pump just stop and start at the given setpoint. the pump goes from 100-70% or 0% when using the tuning. This is not acceptable for my pump or process.
whateverman Posts: 9 Rating: (0)
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3/21/2013 5:03 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 1/24/2025 Posts: 4397 Rating: (1464)	Hi, Some PID parameters are not overwrite by donwload. Alternatives: reset the CPU to factory settings, create a new instance DB for the same PID applications, set the values from Watch table. About PID parameters (gain, TI, TD), I suggest you change it by watch table. Takea look at /tf/WW/en/Posts/33957#top to get the addresses.
	Denilson Pegaia Siemens Industry Sector Technical Support
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