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INPUT VALUE IN LOGO!TD

Created by: electronium at: 1/4/2010 2:42 PM (2 Replies)

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1/4/2010 2:42 PM	Rate (0)
electronium Member Joined: 12/16/2009 Last visit: 7/21/2020 Posts: 5 Rating: (0)	Hello, and a happy new year ! i'd like to ask you if it is possible to enter a setpoint value to a PI controller through the function keys of the LOGO!TD. I have a greenhouse window application and i would like to open or close the windows with PI control. Of course the user will have to enter a preferedsetpoint temperature, each time,in order to accomplish the control! Thank you in advance!

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1/4/2010 3:27 PM	Rate (0)
Fux Silver Member Joined: 1/20/2006 Last visit: 8/16/2018 Posts: 661 Rating: (120)	Also to you a happy new year there are4 possibilties: 1) via LOGO! menu / TD menu: Go to "set param", choose the block number of the pi-controller and press OK. Then you can change the setpoint. 2) Display the SP parameter in a message text. Then you can change the SP by pressing ESC for 1 second. 3) With the F-keys of LOGO TD. Please look here: http://support.automation.siemens.com/WW/view/en/34914500 4) With a potentiometer (or other analog values): http://support.automation.siemens.com/WW/view/en/24002694

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1/7/2010 6:43 AM	Rate (0)
electronium Member Joined: 12/16/2009 Last visit: 7/21/2020 Posts: 5 Rating: (0)	Thank you for your help on this topic! I will surely try it out! I would also like to find out if possible, if i can output on the display the actual value of temperature in the grenhouse . Specifically can i make different pages on the TD to show the temperatures in celcious degrees that take place in different parts of the greenhouse? Thank you for your time in advance!

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