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Tip
HART connections are not polarity-sensitive. It does not matter which lead you attach to
which terminal.
Field Communicator connection to transmitter terminalsFigure D-1:
A
B
C
D
A. Field Communicator
B. 250–600
Ω
resistance
C. External power supply
D. Transmitter with end‐cap removed
2. To connect to a point in the local HART loop, attach the leads from the
Field Communicator to any point in the loop and add resistance as necessary.
The Field Communicator must be connected across a resistance of 250–600 Ω.
Field Communicator connection to local HART loopFigure D-2:
A
B
C
D
A. Field Communicator
B. 250–600
Ω
resistance
C. External power supply
D. Transmitter with end‐cap removed
3. To connect to a point in the HART multidrop network, attach the leads from the
Field Communicator to any point on the network.
Using the Field Communicator with the transmitter
Configuration and Use Manual 225