Emerson 375 - Page 49

HART Functionality
3-9
Figure 3-1. HART Terminal Access Door
NOTE
The lead set must be used to communicate with a wired
or wireless device.
Figure 3-2 illustrates how to connect the 375 Field
Communicator to a HART loop.
Figure 3-2. Connecting to a HART Loop
HART Terminal Markings
HART compatible
device
Current
meter
RL≥250Ω
mA
Power
supply
+
+
+
+
+
+
-
-
-
-
-
-