Sensoray 7429 Manuale Utente Scaricare il pdf (Pagina 34)

DC voltage connections

There is no need for thermocouples to connect to the POWER+ or POWER- pins be-

cause thermocouples contain their own built-in power source (i.e., the Seebeck volt-

age).

Thermocouple wires are color coded to indicate polarity. The positive thermocouple

wire should always be connected to the SENSE+ pin, and the negative thermocouple

wire should always be connected to the SENSE- pin. The following table lists the wire

color coding for all 7429 supported thermocouple types.

TC Type Positive Negative

E purple red

J white red

K yellow red

T blue red

R black red

S black red

Thermocouple connections

Sense+

Sense-

-V

Sense+

Sense-

RED

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Sensoray 7429 Manuale Utente Pagina 34