Grounding - Emerson Rosemount 3051 Reference Manual

Reference Manual
00809-0100-4001, Rev JA
Figure 2-20. 1-5 Vdc low power wiring with transient protection
Figure 2-21. Wiring pair and ground
Note
The transient protection terminal block does not provide transient protection unless the
transmitter case is properly grounded. Use the guidelines to ground the transmitter case. Refer
to page
Do not run the transient protection ground wire with signal wiring as the ground wire may carry
excessive current if a lightning strike occurs.
2.9.4

Grounding

Use the following techniques to properly ground the transmitter signal wiring and case:
Installation
Minimize
Distance
DP
Insulate
Shield
Connect Shield Back to the Power
Supply Ground
27.
Voltmeter
Trim shield and
insulate
Minimize
Distance
Section 2: Installation
November 2012
Power
Supply
Ground for
Transient
Protection
27