Emerson Rosemount 5408 Quick Start Manual page 23

May 2019
Figure 8-1: Ground Screws
A. Internal ground screw
B. External ground screw
Signal cable shield grounding
Make sure the instrument cable shield is:
• Trimmed close and insulated from touching the transmitter housing.
• Continuously connected throughout the segment.
• Connected to a good earth ground at the power supply end.
Figure 8-2: Cable Shield
A. Insulate shield and drain wire
B. Minimize distance
C. Trim shield and insulate exposed drain wire
D. Connect drain wire to the power supply ground
Note
Do not ground the shield and its drain wire at the transmitter. If the cable
shield touches the transmitter housing, it can create ground loops and
interfere with communications.
Quick Start Guide
Quick Start Guide
23