Emerson Rosemount 5300 Series - 4-20 mA;HART communication; Wiring diagram; Load limitations

4.3 4-20 mA/HART
®
communication
4.3.1 Wiring diagram
Figure 4-1: Wiring Diagram for 4-20 mA/HART
®
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A. Handheld communicator
B. Approved IS barrier (for Intrinsically Safe installations only)
C. HART modem
D. Current meter
E. Load resistance (≥250 Ω)
F. Power supply
Note
Rosemount 5300 Level Transmitters with flameproof/explosion-proof output
have a built-in barrier; no external barrier needed.
4.3.2 Load limitations
For HART
®
communication, a minimum loop resistance of 250 Ω is required.
Maximum loop resistance is determined by the voltage level of the external
power supply, as given by the following diagrams:
Quick Start Guide February 2019
12 Rosemount 5300 Level Transmitter