Transmitter Grounding - Emerson Rosemount 3051S Series Reference Manual

Reference Manual
00809-0200-4801, Rev DA
below. The terminals are not polarity sensitive. The transmitter requires 9-32 Vdc to operate. Type A
F
OUNDATION
Note
Avoid running instrument cable next to power cables in cable trays or near heavy electrical equipment.
It is important that the instrument cable shield be:
- 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 2-7. Transmitter Wiring
A. Connect shield back to power supply ground
B. Trim shield and insulate
C. Ground for transient protection
D. Insulate shield
2.5.2

Transmitter grounding

Always ground the transmitter case in accordance with national and local electrical codes. A ground can
be connected to the transmitter either by an external ground lug or the internal ground lug. Both options
can be seen in
Figure 2-8. Transmitter Grounding
Installation
Fieldbus wiring 18 awg twisted shielded pair is recommended.
Minimize distance
DP
A
Figure .
In-line SuperModule external ground connection
B
D
FIELDBUS WIRING
C
Internal ground connection
Installation
October 2016
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