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analog input to digital pulse

Created by: be creative with logo at: 10/26/2016 2:12 PM (11 Replies)

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10/26/2016 2:12 PM	Rate (0)
be creative with ... Posts: 6 Rating: (0)	Hello, i'm working with logo's for a while, now i need to convert an analog signal to a digital pulse signal, So how greater the analog signal is (a value 0-10V) how quicker the pulses, is this possible with a logo? Thanks in advance.
be creative with ... Posts: 6 Rating: (0)
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10/26/2016 2:16 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/8/2024 Posts: 34177 Rating: (4256)	For which LOGO! From? OBA8 or older? What maximal frequency?

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10/26/2016 2:19 PM	Rate (0)
be creative with ... Posts: 6 Rating: (0)	i've a logo OBA6, i dont now exactly what you mean by the frequenty, i hope to get a pulse like an regular input (like a block I1)
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10/26/2016 2:34 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/8/2024 Posts: 34177 Rating: (4256)	You want to make a pulsing output signal from an analog signal (0-10V). Correctly? A pulsating signal is defined, inter alia, by the frequency at which it pulses.

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10/26/2016 3:41 PM	Rate (0)
be creative with ... Posts: 6 Rating: (0)	yes like i said, how higher the analog value how quicker the pulses
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10/26/2016 3:49 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/8/2024 Posts: 34177 Rating: (4256)	be creative with logo yes like i said, how higher the analog value how quicker the pulses I understand that. The higher the value of the analog signal, the higher the frequency of the output signal. But I ask you: What is the desire for the maximum frequency of the output signal? 10Hz? Or 100 Hz? Or 1000 Hz? Or even higher?

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10/26/2016 5:00 PM	Rate (0)
be creative with ... Posts: 6 Rating: (0)	Now i understand, sorry.. the highest frequentie is under 100 hz. is it adjustable later on?
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10/26/2016 6:06 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/8/2024 Posts: 34177 Rating: (4256)	Your idea can only be achieved with a LOGO! With transistor outputs. However, according to the manual, the maximum switchingrate of the outputs is a maximum of 10 Hz. But then it is also true that the actual switching rate depends only on the cycle time for the transistor outputs. Whether you can reach 100 Hz, I can not say. Attachment data.PNG (403 Downloads)

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10/26/2016 7:06 PM	Rate (0)
be creative with ... Posts: 6 Rating: (0)	Its's a test setup, so the frequenty is less important. i'll choose as an example a frequenty from 1 to 10 hz, how do i need to do this?
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10/26/2016 8:23 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/8/2024 Posts: 34177 Rating: (4256)	Try this. Attachment Frequence.zip (526 Downloads)

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