reading temperature from PT100 or thermocouple

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Joined: Wed Sep 16, 2020 6:50 am

reading temperature from PT100 or thermocouple

Post by skopy » Wed Sep 16, 2020 7:15 am


I work on fix and upgrade of old industrial equipment and I would like to replace old logic board and relay logic by controllino. I need to measure temperature up to 250°C. this high temperature avoid using of DS18B20 or DHT digital temperature sensor. I want to use PT100 or K-type thermocouple for sensing temperature.
I want to avoid coversion to 0-10V because converters are expensive and internal ADC in controllino is only 10bit. I preffer solution with dedicated 12bit or better ADC.

Is there any DIN mount expansion modules for contollino which CE certification which allow to connect thermocouple or RCD sensor to controllino? I am looking for somethnig like IC max6675, but DIN mount package and CE certification is required.

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Re: reading temperature from PT100 or thermocouple

Post by Lukas » Tue Oct 20, 2020 2:53 pm


have you already found some suitable product?

What about this?

For analog measurement: ... tters.html

For RS485 bus: ... 77349.html

Best regards,

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