AV4 BSMS System
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4.2.2 Power Supply Requirements
For most configurations one AC/DC Power Supply AV4 PSM-48V delivers sufficient power
for the whole AV4 BSMS System. Some extended configurations require more power which
can be supplied by plugging a second AV4 PSM-48V into the chassis. The second PSM-48V
unit is required if at least one of the following points apply:
• More than one AV4 GAB/2 is installed.
• More than one VPSB-DC(-E) is installed.
• Wide bore (WB) systems, which may require more than 250 W of heater power on
channel 1 of the VPSB-DC-E.
4.3 System Architecture / Overview
The following diagram shows the functional system architecture from the User Interface
(TopSpin and standard web browser for the service engineer) across the BSMS down to the
specific hardware subsystems.
Figure4.6: System Architecture Overview
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General