5.2.1 Method 1: For load resistance ≥ 250 ohms
Figure 5-1: Signal Line connections, ≥ 250 Ohms Load Resistance
A. 4-20 mA terminal block in electronics housing
B. O
2
4-20 mA signal line
C. Load resistance ≥ 250 Ω
D. Analog output device
E. Lead set
F. Field Communicator
G. Field Communicator rear panel
H. Loop connectors
WARNING
Explosions can result in death or serious injury.
Do not make connections to the Field Communicator's serial port, 4-20 mA signal
lines, or NiCad recharger jack in an explosive atmosphere.
Procedure
1. Using the supplied lead set, connect the Field Communicator in parallel to
the transmitter.
2. Use any wiring termination points in the analog output 4-20 mA signal line.
Using HART
®
communications Manual
December 2022 00809-0500-4880
82 Emerson.com/Rosemount
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