Emerson Rosemount 248 Quick Start Manual page 12

Quick Start Guide
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
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.
12
A
A. Sensor wires
B. Transmitters
C. DCS host system
D. Shield ground point
B
D
February 2021
C