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Output depending linearly from input.

Created by: Nurro2 at: 8/15/2015 10:59 AM (2 Replies)

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8/15/2015 10:59 AM	Rate (0)
Nurro2 Posts: 5 Rating: (0)	Hy, I need help writing a code to control VAV regulators according to CO2 sensor. I need to control in linearly. Like when the CO2 level is 600ppm the output for the regulator is 0V and when the CO2 level is 1100ppm the output is 10V. I am using LOGO8 controller. I am new to LOGO )working with TIA portal regurally) so the answer could be very basic, but i havent found it yet. Could someone help me and point me to the right way (reccomend using a specific point or give me a code examplke from where i could go forward) Thank You in advance, Martin Mölder
Nurro2 Posts: 5 Rating: (0)
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8/15/2015 11:04 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/13/2026 Posts: 36439 Rating: (4547)	What is the range of the sensor (ppm)? 0-2000ppm or other? What ist the Output of the sensor? 0-10V? Or 0/4-20mA?

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8/15/2015 11:36 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/13/2026 Posts: 36439 Rating: (4547)	In attachment there is an example for a sensor 0-2000 ppm and an output 0-10V. Attachment CO2.zip (301 Downloads)

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