37
Reference Manual
00809-0100-4772, Rev FA
Installation
March 2016
Installation
3.6.1 Grounding the transmitter case
The transmitter case should always be grounded in accordance with national and local
electrical codes. The most effective transmitter case grounding method is 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. SeeFigure 3-16.This screw is
identified by a ground symbol ( ), and is standard on all flowmeters.
If using a transient terminal block, the ground tab must be secured beneath the
internal ground screw.
Figure 3-16. Internal Ground Screw Connection
A. Internal ground screw connection
B. Transient terminal block ground tab
External ground assembly—This assembly is located on the outside of the
electronics housing and is included with the optional transient protection terminal
block (Option Code T1). This allows for a grounding strap to be run directly from
the transmitter housing to earth ground. See Figure 3-17. The external ground
assembly can also be ordered with the transmitter (Option Code V5) and is
automatically included with certain hazardous area approvals.
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