Chapter 4 Grounding; Ground A Dual Core Processor - Emerson Micro Motion Quick Start Manual

Grounding
4 Grounding
Topics covered in this chapter:
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The meter must be grounded according to the standards that are applicable at the site.
The customer is responsible for knowing and complying with all applicable standards.
Micro Motion suggests the following guides for grounding practices:
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4.1

Ground a dual core processor

Use this procedure if your installation contains a dual core processor.
Note
Ground the processor to earth, or follow ground network requirements for the facility. Improper
grounding can cause measurement error.
Procedure
If the joints in the pipeline are not grounded, connect a ground wire to the internal or
external grounding screw located on the dual core processor.
20
Ground a dual core processor
Ground the enhanced core processor
Use copper wire, 2,0 mm
Keep all ground leads as short as possible, less than 1 Ω impedance.
Connect ground leads directly to earth, or follow plant standards.
2
or larger wire size.
Micro Motion Liquified Natural Gas Meter