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Variable temperature threshold

3/31/2015 5:10 PM	Rate (0)
galbs Regular Member Joined: 12/1/2014 Last visit: 12/18/2025 Posts: 12 Rating: (0)	This is the situation: I've need to reach a temperature (60°) so i used a threshold value switch (on:0 off:60). The problem is that when i switch off the heating and the temperature decreases (-0.1°) it switch on immediately again. Instead i'd like to reach 60° but wait for when it goes down to 59° before to switch heating on again. Is it possible with Logo?

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3/31/2015 5:36 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/24/2025 Posts: 36369 Rating: (4543)	So perhaps? Attachment hysteresis.png (382 Downloads)

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3/31/2015 6:06 PM	Rate (0)
galbs Regular Member Joined: 12/1/2014 Last visit: 12/18/2025 Posts: 12 Rating: (0)	Perfect! Thank you! (Now i feel an *** )

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This contribution was helpful to 1 thankful Users ixo65

3/31/2015 6:20 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/24/2025 Posts: 36369 Rating: (4543)	Or this solution. Attachment hysteresis2.png (369 Downloads)

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