Tyco Electronics Galaxy SC Controller J85501F-1
Issue 13 February 2001 Product Description 2 - 1
2 Product Description
Overview The Galaxy SC Controller represents a major advance in the ability to
monitor and control telecommunications power equipment. It can
control large battery plants containing up to 64 rectifiers of virtually any
type, old or new, made by Tyco Electronics or other manufacturers. It
may be used to control new battery plants or may be retrofitted to
replace MCS and CCS controllers in the field.
The Galaxy SC is the nerve center of any battery plant. It monitors and
controls the plant, its rectifiers, distribution, and batteries. It also
monitors and controls peripheral power equipment, including standby
generators, converter plants, and inverters.
The Galaxy SC offers two fail-safe features. First, each controller
generates an alarm if the other fails. Second, the HVSD (high voltage
shut-down) circuit is hard-wired and has a backup DIP switch to set the
threshold in case the basic controller fails.
Structurally, the Galaxy SC is a card cage that holds a number of circuit
packs. It allows each user to combine several circuit packs in
building-block fashion to put together a flexible system. It is divided
physically and functionally into two sections, respectively called the
basic and intelligent controllers. Figure 2-1 shows the general layout of
the controller.
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