incendive hazardous locations, install in accordance with Rosemount drawing 03151-1009
to maintain outdoor rating (NEMA
®
4X and IP66.) For more information, see .
3.4.8 Grounding
Transmitter case
Always ground the transmitter case in accordance with national and local electrical codes.
The most effective transmitter case grounding method is a direct connection to earth
ground with minimal impedance (< 1Ω). Methods for grounding the transmitter case
include:
Internal ground connection
The internal ground connection screw is inside the terminal side of the electronics
housing. The screw is identified by a ground symbol (
), and is standard on all
Rosemount 3051SMV.
Figure 3-14: Internal Ground Connection
A. Ground lug
External ground connection
The external ground connection is on the outside of the SuperModule housing. The
connection is identified by a ground symbol (
). An external ground assembly is included
with the option codes shown in Table 3-3 or is available as a spare part
(03151-9060-0001).
Reference Manual
Installation
00809-0100-4803 October 2018
Emerson.com/Rosemount 89
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