Fox Thermal FT3

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Wiring | 46

Model FT3

Wiring

HART 4-20mA Output Wiring: Loop Power Provided by FT3

The 4-20mA current loop and HART modem connections are made on terminal block TS5 pin 1

(+) and pin 2 (-). Terminal block TS5 is located on the HART communication option board of the

FT3. Isolated 24 volt output power is available on terminal block TS4 pins 1 (+) and 2 (-) of the

HART option board. This output can be used to power the 4-20mA loop if an external supply is not

available..

Fig. 3.13: HART 4-20mA Output Wiring, Loop Power Provided by FT3

Fox Thermal FT3 - Page 46