Dzile84 Posted August 5, 2015 Report Share Posted August 5, 2015 Hello, use for a long time Vsion 120 and recently Vision 130. For the current application I need PID controller. The controller must have a '' manual '' and '' auto'' mode. I used auto-tune PID, and it works, but when the ''manual' mode switch to 'auto' on my CV to assume a value which was not in manual mode, you can not allow. Do you have an example of some of these applications, or how else am I to solve the problem. Otherwise it is a continuous regulation of pressure on the oil system? (control valve) Thank you in advance for your help!! Quote Link to comment Share on other sites More sharing options...
Alexander Posted August 5, 2015 Report Share Posted August 5, 2015 What is the CV value changing to when put in manual mode, and what value were you expecting? You will need 2 configuration loops, one for the auto-tuned values, and one for the manual mode values. How are you switching from one to the other? Also, what values do you have set up within the manual mode? Does the loop run or does it give an error status message? There are several PID example programs that can be found in the VisiLogic help file under Help/ Examples/ Version 900/ Project Examples/ PID. Quote Link to comment Share on other sites More sharing options...
Dzile84 Posted August 6, 2015 Author Report Share Posted August 6, 2015 Maybe I'm not good expressed. Under the CV I thought PID CV. (Control Value). I saw an example of "Bumples PID", so I needed something. I made a loop in manual mode, but when I switch on (button switching manual / auto) auto-tune PID(enable PID) control continues on with some of its value, not where my CV was in manual mode, and if I transfer that value to the variable . (PID CV). Also as in the case of transfer and PV to SP, to avoid any abrupt. Quote Link to comment Share on other sites More sharing options...
Alexander Posted August 6, 2015 Report Share Posted August 6, 2015 Would it be possible to send your project and an overall explanation of the problem to support@unitronics.com? Quote Link to comment Share on other sites More sharing options...
Dzile84 Posted August 7, 2015 Author Report Share Posted August 7, 2015 I'll send you, I only comments translated into English. I'd like to show you where I have a problem. Thank you. greetings Quote Link to comment Share on other sites More sharing options...
Błażej Posted May 14, 2021 Report Share Posted May 14, 2021 Did you solve your problem? I have the same situation and I don't know how to handle it. Quote Link to comment Share on other sites More sharing options...
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