INM 937x-FB2-Px-SS Rev 1
1
1 OVERVIEW
This manual explains the installation and maintenance procedures for the
937x-FB2-Px-SS Fieldbus Barrier range of enclosures and must be read in association
with the product datasheets that contain the electrical data. Any specials or variations
of the standard 937x-FB2-Px-SS will be covered within an Addendum section at the
end.
The 937x-FB2-Px-SS Fieldbus Barrier range of enclosures are field-mounted wiring
hubs offering a choice of six or twelve intrinsically safe spur connections, from
a single non-intrinsically safe trunk, for connection to FOUNDATION™ fieldbus
H1 fieldbus instruments. The incoming fieldbus trunk and the output spurs may
optionally be fitted with surge-protection devices.
The enclosure material used for the wiring hubs is stainless steel (SS) and they are
capable of being installed in a Zone 1 or Zone 2 hazardous area.
The following enclosure types are available by ordering the appropriate model
number.
• 9371-FB2-PS-SS Fieldbus Barrier system, 6-spur, Stainless Steel enclosure,
pluggable screw terminal connectors
• 9371-FB2-PC-SS Fieldbus Barrier system, 6-spur, Stainless Steel enclosure,
pluggable spring clamp connectors
• 9373-FB2-PS-SSFieldbus Barrier system, 12-spur, Stainless Steel enclosure,
pluggable screw terminal connectors
• 9373-FB2-PC-SS Fieldbus Barrier system, 12-spur, Stainless Steel enclosure,
pluggable spring clamp connectors
937x-FB2-Px-SS Fieldbus Barrier System
6-spur & 12-spur, Stainless Steel enclosures
Figure 1 .1
- Enclosure example showing model 9373-FB2-PC-SS
Note: 9376-SP trunk surge protection module is optional and not supplied as
standard
