
Rockwell Automation Publication 1440-UM001D-EN-P - September 2016
23
Install the XM-124 Standard Dynamic Measurement Module
Chapter 1
Figure 6 - Panel/Wall Mount Grounding
24V Common Grounding
One Class 2 power supply sources the XM system. We recommend that the
24V power to the XM modules is grounded.
Class 2
Class 2
Grounding - Electrode
Conductor to Grounding-Electrode System
Ground bus
Use 2.1 mm
2
(14 AWG) wire. If it
is desired to isolate the power
supply because of possible
ground loops, do not connect 24V
common to earth, as illustrated.
Use 8.4 mm
2
(8 AWG) wire.
Supply
Supply
24V COM
24V COM
24V
24V
24V
24V COM
Conductive mounting plate
Screw hole for
panel/wall
mounting
Grounding screw
hole for panel/wall
mounting
Summary of Contents for 1440-SDM02-01RA
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