PT100 wiring on Compact

Topics about the Hardware of Revolution Pi
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vbezos
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Joined: 07 Feb 2024, 12:41
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PT100 wiring on Compact

Post by vbezos »

Hi all,

I want to connect a 3-wire PT100 on the analog inputs of a RevPi Compact, in order to use it through Codesys Runtime.
Can anyone please share a wiring diagram?

Thanks in advance
Vaggelis
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nicolaiB
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Re: PT100 wiring on Compact

Post by nicolaiB »

Hi

The RevPi Compact does only support 2 wire PT100 RTD, which must be connected to an input and it's 0V pendant. If the sensor is only available as 3 or 4 wire variant you could use an external temperature temperature transducer (converts the rtd to 0-10 V / 4-20mA)

Nicolai
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