Grounding The Shelf; Shelf Ground Configuration; Figure 5-3 Placement Of Grounding Lug - Emerson AXP1620 Installation And Use Manual

Grounding the Shelf

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5.6
AXP1620 Installation and Use (6806800E23E)
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Grounding the Shelf
Use a 2 AWG wire with a 2-hole copper lug and connect directly to the earth ground point
located on the right side of the back of the shelf; connect the other end of the wire to a reliable
earth ground. Use the torque setting required by the connector supplier. The 2-hole lug prevents
rotation of the lug and ensures a permanent bonding of ground to the shelf.
Figure 5-3 Placement of Grounding Lug
Back of Shelf

Shelf Ground Configuration

The AXP 1620 shelf was tested in the default configuration of logic ground and shelf ground
connected and does not connect -48VDC Return with Shelf Ground. The system has been
tested in the default configuration and complies with safety and regulatory standards. As a
compliant AdvancedTCA shelf, the AXP1620 allows system integrator at their own discretion to
remove the mechanism which connects Logic Ground to Shelf Ground and install the
mechanism that connects -48VDC Return to Shelf Ground. If the system integrator exercises
the option of removing the connections from Logic Ground to Shelf Ground and or adds the
connection between -48VDC Return and Shelf Ground, the responsibility for maintaining
compliance to CSA (C/US)/VDE safety requirements and EMI/RFI emission limits rests entirely
with the system integrator and installer.
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AXP1620 Shelf Installation
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