Emerson Rosemount 5400 Series - Hart Communication

Quick Start Guide
15
June 2016
4.5 HART communication
Figure 3. Wiring Diagram
A. Field Communicator
B. Approved IS barrier (for Intrinsically Safe installations only)
C. HART modem
D. Current meter
E. Load resistance (≥250 
F. Power supply
Note
Rosemount 5400 Series Transmitters with Flameproof/Explosion-proof output have a built-in
barrier; no external barrier needed.
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