Emerson Rosemount 3051 Reference Manual page 80

Electrical installation
August 2019
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. Methods for grounding the transmitter case include:
• Internal ground connection: The internal ground connection screw is inside the FIELD
TERMINALS side of the electronics housing. This screw is identified by a ground symbol
(
Refer to
Figure 4-8: Internal Ground Connection
• External ground connection: The external ground connection is located on the exterior
of the transmitter housing. Refer to
option V5 and T1.
Figure 4-9: External Ground Connection (Option V5 or T1)
Note
Grounding the transmitter case via threaded conduit connection may not provide
sufficient ground continuitiy.
80
). The ground connection screw is standard on all Rosemount
Figure 4-8.
A. Internal ground location
A
A. External ground location
A
Figure 4-9. This connection is only available with
Reference Manual
00809-0100-4007
™
3051 Transmitters.
Rosemount 3051