Emerson Rosemount 2051 Reference Manual page 73

Reference Manual
00809-0100-4107
Figure 4-6: Wiring the Transmitter (4–20 mA HART)
A. DC power supply
B. R
Figure 4-7: Wiring the Transmitter (1–5 Vdc low power)
A. DC power supply
B. Voltmeter
Perform the following procedure to make wiring connections:
Procedure
1. Remove the housing cover on terminal compartment side. Do not remove the
2. For 4–20 mA HART Output, connect the positive lead to the terminal marked (pwr/
Reference Manual
≥ 250 (necessary for HART
L
cover in explosive atmospheres when the circuit is live. Signal wiring supplies all
power to the transmitter.
comm+) and the negative lead to the terminal marked (pwr/comm–). Do not
connect the powered signal wiring to the test terminals. Power could damage the
test diode.
®
Communication only)
Electrical Installation
September 2020
B
A
A
B
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