Emerson Rosemount 248 - Transmitter Grounding Procedures

4.1.3 Ground the transmitter: Option 1
Use this method for grounded housing.
Procedure
1. Connect sensor wiring shield to the transmitter housing.
2. Ensure the sensor shield is electrically isolated from surrounding
fixtures that may be grounded.
3. Ground signal wiring shield at the power supply end.
Figure 4-2: Option 1: Grounded Housing
A
B
D
C
A. Sensor wires
B. Transmitters
C. DCS host system
D. Shield ground point
4.1.4 Ground the transmitter: Option 2
Use this method for grounded housing.
Procedure
1. Connect signal wiring shield to the sensor wiring shield.
2. Ensure the two shields are tied together and electrically isolated from
the transmitter housing.
3. Ground shield at the power supply end only.
4. Ensure the sensor shield is electrically isolated from the surrounding
grounded fixtures.
Quick Start Guide February 2021
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