Emerson Rosemount 148 Quick Start Manual page 15

April 2019
Figure 4-4: Option 3: Grounded or Ungrounded Housing
4.2.4 Ground the transmitter: Option 4
Use this method for grounded thermocouple inputs.
Procedure
1. Ground sensor wiring shield at the sensor.
2. Ensure that the sensor wiring and signal wiring shields are electrically
isolated from the transmitter housing.
Do not connect the signal wiring shield to the sensor wiring shield.
3. Ground signal wiring shield at the power supply end.
Quick Start Guide
A
A. Sensor wires
B. Transmitters
C. 4 - 20 mA loop
D. Shield ground point
B
D
Quick Start Guide
C
15