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Jurgen

FX2N-8AD and Thermocouple

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I'm trying to connect a K-type thermocouple to the FX2N-8AD but cannot get an output. I've set used the TO instruction to set K-type (9) up. How is the thermocouple powered? Should I be able to measure a voltage across V+ and Com?

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The thermocouple does not require a power supply. It's itself a voltage source. If you have a meter that allow to measure a voltage in uV units, then you can measure the output signal of thermocouple.

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