Emerson Rosemount 3051 Quick Start Manual page 16

Quick Start Guide
Procedure
1. Remove the field terminals housing cover.
2. Connect the wiring pair and ground as indicated in
•
•
•
Figure 5-3: Wiring
3. Replace the housing cover.
It is recommended the cover be tightened until there is no gap
between the cover and the housing.
4. Plug and seal unused conduit connections.
5.2 Power supply for a 4-20 mA HART
The transmitter operates on 10.5-4.2 Vdc at the terminal of the transmitter.
The dc power supply should provide power with less than two percent ripple.
Loops with a 250 Ω resistance require a minimum of 16.6 V.
Note
The transmitter must have a minimum of 250 Ω to communicate with a
Field Communicator. If you are using a single power supply to power more
than one Rosemount 3051 Transmitter, make sure the power supply used
16
Be trimmed close and insulated from touching the transmitter
housing
Continuously connect to the termination point
Be connected to a good earth ground at the power supply end
A
E
D
A. Minimize distance
B. Trim shield and insulate
C. Ground for transient protection
D. Shield connected to power supply ground
E. Insulate shield
B
DP
A
March 2020
Figure 5-3.
C
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