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Hazardous Location
Devices
Door Holders
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Initiating
Devices
21
Intelligent initiating devices
VM
Intelligent Initiating Devices
SERIES
Universal Input/Output (UIO) Motherboards
Universal Input/Output Module Motherboards pro-
vide mounting and wiring terminations for up to six
plug-in UIO (GSA-“M” series) modules. UIO moth-
erboards snap into a rigid extruded track (included)
with mounting pads for convenient mounting into a
variety of equipment enclosures. UIO modules plug
into the board and are held securely in place with
captive machine screws. All field wiring connects
to terminal blocks on the motherboard, which per-
mits rapid removal and replacement of modules for
troubleshooting.
The GSA-UIO2R provides mounting and wiring terminations for up to two UIO modules, and the GSA-UIO6R provides
mounting and wiring terminations for up to six UIO modules. Both motherboards feature a riser #1 input and a riser #2
input bus. Jumpers on riser #1 input (between modules), facilitate sharing a single riser among more than one module.
This significantly reduces wiring requirements. Removing the jumpers provides separate riser inputs to each adjacent
module. Riser #2 input is fixed to each module position and cannot be split. UIO motherboards mount inside the MFC-A
cabinet or other suitable UL-listed electrical enclosure. Each MFC-A will hold one UIO2R motherboard or one UIO6 or
UIO6R motherboard complete with their full complement of modules.
GSA-UIO2R Universal Input/Output Module Board with Riser Inputs — 2 Module Positions Data Sheet K85001-0365
GSA-UIO6R Universal Input/Output Module Board with Riser Inputs — 6 Module Positions Data Sheet K85001-0365
GSA-UIO6 Universal Input/Output Module Board — 6 Module Positions Data Sheet K85001-0365
Riser2Input
common to
all SIGA-UIO
Modules
Jumpers Connect
RiserInput #1
Between Modules
Individual Riser1Input to each SIGA-UIO module
ModuleInput/Output Wiring
Signature
Data
Circuit
Data In
Data Out
Related Equipment
MFC-A Multi-function Cabinet (for UIO and Releasing modules)
27193-11 Surface Mount Box - Red, One-gang
27193-16 Surface Mount Box - White, One-gang
27193-21 Surface Mount Box - Red, Two-gang
27193-26 Surface Mount Box - White, Two-gang
235196P Bi-polar Transient Protector (needed on modules with electromechanical devices)
GSA-MP1 Module Mounting Plate, 1 footprint
GSA-MP2 Module Mounting Plate, 1/2 footprint
GSA-MP2L Module Mounting Plate, 1/2 extended footprint
Releasing Module
The GSA-REL Releasing Module is an analog addressable module that works with fire sup-
pression systems designed to release extinguishing gas such as Halon. Its primary function
is the control of sprinkler pre-action routines and the initiation of suppression system deluge
functions. The module is easily configured in the field and offers a wide range of options that
prevent the unnecessary release of extinguishing agent. Available releasing module acces-
sories include dedicated pull stations, abort switches and service switches. Together with
the GSA-REL, they comprise a complete fire suppression package.
GSA-REL Analog addressable releasing module Data Sheet K85001-0531
RELA-ABT Abort station Data Sheet K85001-0531
RELA-SRV Service disconnect station Data Sheet K85001-0531
276A-REL Manual releasing station (single-action) Data Sheet K85001-0531
278A-REL Manual releasing station (double-action) Data Sheet K85001-0531
RELA-EOL Polarized end-of-line relay Data Sheet K85001-0531
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