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How to use PID-regulator with S7-200?

2/27/2019 10:28 AM	Rate (0)
Dimition Posts: 9 Rating: (0)	Hello, I have a CPU 222 with analog module EM235. I need to manage by pneumatic propotional valve 0-10V, also i have analog sensor and pneumatic cylyndre. So, i know about special "PID-wizard", and that PID can support only one analog output. But i cant change desired variables, i see it in "Data Block-PID0_Data" and it's locked up. For example, i need to change smoothly AQW0 from 1 to 16000 when AIW0 is changing smoothly from 100 to 10000. Up pls Thank you very much! Best regards. (Sorry for my English)
Dimition Posts: 9 Rating: (0)	Last edited by: Dimition at: 04/27/2019 17:04:47
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4/27/2019 5:05 PM	Rate (0)
Dimition Posts: 9 Rating: (0)	Help pls
Dimition Posts: 9 Rating: (0)
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4/27/2019 7:21 PM	Rate (0)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 4/19/2025 Posts: 10876 Rating: (837)	Hello, did you check in MicroWin help about PID steps cfg? Look to picture, hope that steps give you better info about cfg. Attachment S7-200 PID Help.png (403 Downloads)
	With best regards... Ivan Duris Flight: OMICO
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4/27/2019 8:52 PM	Rate (0)
dchartier Grandmaster Joined: 9/27/2006 Last visit: 9/13/2025 Posts: 12408 Rating: (2717)	Hello Dimition; To add to Duris_I's tip, much information on the PID closed-loop control instructions, wizard and Auto-tune function can be found in the S7-200 System manual: https://support.industry.siemens.com/cs/ww/en/view/1109582 Hope this helps, Daniel Chartier Attachment S7-200 PID loop instruction.jpg (445 Downloads)
	Last edited by: dchartier at: 04/27/2019 20:53:17
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4/28/2019 5:23 PM	Rate (0)
Henry1675 Bronze Member Joined: 3/9/2018 Last visit: 9/3/2025 Posts: 208 Rating: (18)	To change settings you need to unfold the PID wizard tree and select the item you want to change. Additionally after doing the wizard you can do a live view of the PID loop by going to the PID Tune control Panel (Tools -> PID Tune control Panel) Attachment PID_Wizard.jpg (367 Downloads)
	Last edited by: Henry1675 at: 04/28/2019 17:25:41 Last edited by: Henry1675 at: 04/28/2019 17:26:58
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