Picoscope measuring 24V signals

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beekmani
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Joined: Mon May 28, 2018 1:27 pm

Picoscope measuring 24V signals

Post by beekmani » Wed Aug 01, 2018 8:12 am

Hi,

I want to monitor some digital PLC signals (24V) with the Picoscope 3405D MSO

I want to use the MSO inputs which have a dynamic range of +-20V. Does this mean is can measure between 24V and 0, or do I have to use a voltage divider before i can connect them to the scope?
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Martyn
Site Admin
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Location: St. Neots

Re: Picoscope measuring 24V signals

Post by Martyn » Wed Aug 01, 2018 10:45 am

Although the overvoltage protection is ±50 V continued exposure to voltages over ±20V will cause damage, so you will need to use a voltage divider.
Martyn
Technical Support Manager
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