Quick Installation Guide
Rosemount 2051
STEP 4: CONNECT THE WIRING AND POWER
Use the following steps to wire the transmitter:
1.Remove the housing cover on the FIELD TERMINALS side.
2.Connect the positive lead to the “+” terminal (PWR/COMM) and the negative lead to the
Figure 5. 4–20 mA HART Transmitter Wiring Diagrams
Power
Supply
RL ≥ 250Ω
Figure 6. 1-5 Vdc HART Low Power Transmitter Wiring
Power
Supply
Voltmeter
Installation of the transient protection terminal block does not provide transient protection unless the 2051 case is properly grounded.
3.Ensure proper grounding. It is important that the instrument cable shield:
•be trimmed close and insulated from touching the transmitter housing.
•be connected to the next shield if cable is routed through a junction box.
•be connected to a good earth ground at the power supply end.
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