January - Emerson Rosemount 2090P Quick Start Manual

January 2018

Use the following steps to wire the transmitter:
1. Remove the housing cover on the FIELD TERMINALS side.
2. Connect the leads as shown in
3. Tighten the terminal screws to ensure full contact with the terminal block
screw and washer. When using a direct wiring method, wrap wire clockwise
to ensure it is in place when tightening the terminal block screw.
Note
The use of a pin or ferrule wire terminal is not recommended as the connection may be
more susceptible to loosening over time or under vibration.
4. Ground housing to fulfill local grounding regulations.
5. 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

6. If transient protection is needed, refer to
block
7. Plug and seal unused conduit connections.
8. Replace the housing cover.
Figure 7. Grounding
C
A.Trim shield and insulate
B. Insulate shield
C. Terminate cable shield drain wire to earth ground
4.1 Grounding for transient terminal block
Ground termination is provided on the outside of the electronics housing and
inside the terminal compartment. These grounds are used when the transient
protection terminal blocks are installed. It is recommended that 18 AWG or
larger wire is used to connect housing ground to earth ground (internal or
external).
for grounding instructions.
A
DP
B
Figure 5 or Figure
Grounding for transient terminal
D. Internal ground location
E. External ground location
Quick Start Guide
6.
D
E
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