Allen-Bradley 2711P Technical Data Manual page 10

10 Wiring and Grounding Guidelines for PanelView Plus Terminals
Figure 2 - Functional Earth Connection for 700 to 1500 Nonisolated DC Terminals
Ground Bus
Functional Earth/Ground to Ground Bus
Enclosure Wall
Tapped Hole
Star Washer
Ground Lug
To Grounding Electrode System
Ground Bus
Bolt
Figure 3 - Functional Earth Connection for 400 and 600 DC Terminals
Ground Bus
Tapped Hole
Star Washer
DC +
Functional Earth
Ground Lug
DC -
Bolt
Enclosure Wall
Ground Bus
To Grounding Electrode System
Rockwell Automation Publication 2711P-TD001D-EN-P - February 2011