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Pid help

4/2/2011 9:58 AM	Rate (0)
zifzaf Posts: 19 Rating: (1)	hello After almost a week of trying .no way for meto get the pid working in s7-1200 1212c. anyone can help me i wanna use input_PER fom IW 64 , and output_PER FROM QW80 signal board. i have put the pid inside OB200 the aplication i m trying to use pid for is controling of VFD for water pump using analog out. i c an see the iw64 analog value , but nothing comming out of Q80. i have downloaded the pid examples on this forum but this could not help. thanks in advance
zifzaf Posts: 19 Rating: (1)	Last edited by: zifzaf at: 4/2/2011 10:09 AM
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4/2/2011 4:04 PM	Rate (0)
Marko Bursic Posts: 1410 Rating: (154)	Have you configured OB200 as CyclicInterrupt organization block?
Marko Bursic Posts: 1410 Rating: (154)
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4/4/2011 11:56 AM	Rate (0)
Denilson Pegaia Diamond Expert Joined: 9/23/2005 Last visit: 1/16/2026 Posts: 4449 Rating: (1487)	Hi, take a look also in the tips: Tips: PID (FB PID_Compact) /tf/WW/en/Posts/33957#top Extra tip: maybe your problem is just a question of tho take out of manual operation mode.
	Denilson Pegaia Siemens Industry Sector Technical Support
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