Alpha Technologies CXDS-M 600_600-19 - Manual (Page 23)

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9400002-J0 Rev A
5.2 Connecting the Frame and Reference Grounds
CAUTION!
The grounding methods described in this section are generic. Follow local requirements
and electrical code.
NOTE:
This power system is suitable for installation as part of a Common Bonding Network
(CBN) and is intended to be used in a DC-C configuration (common DC return)
A true single point ground system means that everything is referenced to a single point that is tied to the external
earth ground system. In reality each component and external source is effectively bonded to a single point, which
is then effectively bonded to the facility or site external ground system.
5.2.1 Frame Grounding
Securely ground the rack, containing the BDFB(s), to the building grounding system.
5.2.2 Battery Return Reference
The return reference is obtained from the DC source.
Master Ground
Bus (MGB)
-48V Power
Plant Source CXDS-M
Return
Figure 11 — Battery return reference