Emerson 8712E STEP 5: GROUNDING

Quick Installation Guide

00825-0100-4664, Rev BB

January 2013

Rosemount 8712 / 8700 Series

STEP 5: GROUNDING

Use Table6 to determine which process grounding option to follow for proper installation.

The sensor case should be earth grounded in accordance with national and local electrical

codes. Failure to do so may impair the protection provided by the equipment.

Table 6. Process Grounding Installation

Process Grounding Options

Type of Pipe Grounding

Straps Grounding

Rings Grounding

Electrode Lining

Protectors

Conductive

Unlined Pipe See Figure 10 Not Required Not Required See Figure 11

Conductive Lined

Pipe Insufficient

Grounding See Figure 11 See Figure 10 See Figure 11

Non-Conductive

Pipe Insufficient

Grounding See Figure 12 See Figure 13 See Figure 12

Figure 10. Grounding Straps or Grounding Electrode in Lined Pipe

Figure 11. Grounding with Grounding Rings or Lining Protectors

Grounding Rings or Lining

Protectors

4664RevBBQIG.fm Page 16 Friday, January 11, 2013 6:13 PM

Contents

Main Rosemount 8712E Magnetic Flowmeter System (Transmitter and Sensor) Rosemount 8712 / 8700 Series IMPORTANT NOTICE STEP 1: PRE-INSTALLATION Mechanical Considerations WITH STANDARD COVER Environmental Considerations Installation Procedures Mount the Transmitter Identify Options and Configurations Hardware Jumpers/Switches Electrical Considerations STEP 2: HANDLING STEP 3: MOUNTING Upstream/Downstream Piping Flow Direction Sensor Orientation Rosemount 8712 / 8700 Series STEP 4: INSTALLATION Flanged Sensors Flange Bolts 8-bolt Page Rosemount 8712 / 8700 Series Table 2. (continued) Wafer Sensors Alignment Page Flange Bolts Sanitary Sensors Alignment and Bolting STEP 5: GROUNDING Page STEP 6: WIRING Conduit Ports and Connections Conduit Requirements Transmitter to Sensor Wiring Remote Mount Cable Requirements and Preparation Wiring the Transmitter to the Sensor Page Connect the 420 mA Analog Signal Powering the Transmitter Table 10. Overcurrent Limits Page Step 7: Basic Configuration Basic Setup Local Operator Interface PRODUCT CERTIFICATIONS Approved Manufacturing Locations European Directive Information International Certificates Hazardous Locations Certifications Page Sensor Approval Information Page Figure 21. Declaration of Conformity 4664RevBBQIG.fm Page 31 Friday, January 11, 2013 6:13 PM EC Declaration of Conformity No: RMD 1031 Rev. E Model 8712D and Model 8712E Magnetic Flowmeter Transmitters Schedule 4664RevBBQIG.fm Page 32 Friday, January 11, 2013 6:13 PM EC Declaration of Conformity RMD 1031 Rev. E LVD Directive (2006/95/EC) EMC Directive (2004/108/EC)