MODEL 1000 SEP 2005
EQUIPMENT DESCRIPTION
2-11
Figure 2-3. GC Controller, 19-Inch Rack Mounted Version
2.3.1 Controller Hardware Configurations
The GC Controller may be provided for hazardous area mounting, 19-inch rack mounting, or used
in a 12-inch rack retrofit kit. See Figure 2-3. The unit consists of an STD-bus based computer and
related boards, including boards for terminating field wiring. The enclosure for hazardous areas
qualifies as flameproof (purged NEMA 4X, Class C and D). Connections to the enclosure are
through one 2-inch (50mm) hole (reduced to 3/4 inch with bushing) and two 1-inch (25 mm) conduit
fittings located in the bottom. These accept matching conduit or cable entries. Field connections
are made through purged conduit or flameproof glands.
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