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Width pulse measure

Forum: Engineering 🇬🇧

Creator: damian177

Created: 2021-09-15

Updated: 2021-09-18

damian177 - 2021-09-15

Hi,
What is the best way to recognize pulses digital input with 20ms width in ST ? Timer (TON) to measure state time this input ?

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ph0010421 - 2021-09-16

I made this little stopwatch FB. The accuracy can't be better than the scan time though.

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1

Stopwatch.xml

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damian177 - 2021-09-18

works perfectly

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