Emerson Rosemount 2051 Series Quick Start Manual page 15

February 2019
Procedure
1. Remove the field terminals housing cover.
2. Connect the wiring pair and ground as indicated in
cable shield should:
3. Be trimmed close and insulated from touching the transmitter
housing.
4. Continuously connect to the termination point.
5. Be connected to a good earth ground at the power supply end.
Figure 4-3: Wiring
6. Replace the housing cover. It is recommended that the cover be
tightened until there is no gap between the cover and the housing.
7. Plug and seal unused conduit connections.
4.1.1 Power supply
The dc power supply should provide power with less than two percent ripple.
The transmitter requires between 9 and 32 Vdc at the terminals to operate
and provide complete functionality.
4.1.2 Power conditioner
The DP/PA coupler/link often includes an integrated power conditioner.
4.1.3 Grounding
Transmitters are electrically isolated to 500 Vac rms. Signal wiring can not be
grounded.
4.1.4 Shield wire ground
Shield wire usually requires a single grounding point to avoid creating a
ground loop. The ground point is typically at the power supply.
Quick Start Guide
A. Trim shield and insulate
B. Insulate shield
C. Connect shield back to the power supply ground
A
DP
C
B
Quick Start Guide
Figure 4-3. The
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