Emerson Rosemount 5408 Manuale di avvio rapido - Pagina 14
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Quick Start Guide
Step 6: Ensure proper grounding
Make sure grounding is done according to national and local electrical codes.
Failure to do so may impair the protection provided by the equipment.
Transmitter case grounding
The most effective grounding method is direct connection to earth ground with
minimal impedance. There are two grounding screw connections provided.
Figure 4. 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.
Connected to the next shield if cable is routed through a junction box.
Connected to a good earth ground at the power supply end.
Figure 5. Cable Shield
A.
Insulate shield
B.
Minimize distance
14
A
B
A
C.
Trim shield and insulate
D.
Connect shield back to the power supply ground
C
B
October 2017
B
C
C
D