SS-LI
Features
• Powered by SmartScan
TM
SLC
loop directly, no external power
required.
• Mount in standard 4" (10.16 cm)
square (2-1/8" [5.3975 cm] deep)
junction boxes.
• Integral LED blinks to indicate
normal condition. Illuminates
steady when short circuit condition
is detected.
• High noise (EMF/RFI) immunity.
• Wide viewing angle of LED.
• SEMS screws with clamping
plates for ease of wiring.
• Opens SLC loop automatically on
detection of short, preventing the
short from causing failure of the
entire loop.
• Automatically resets on correction
of short.
• Supports Style 4, 6, or 7 wiring.
Fault Isolator Module
Description
The Gamewell SS-LI Fault Isolator
Module is used with the 602, 610,
632, 654, 658, 602VE, 610VE, VSYS-
1 thru IS-610 and 632-126 thru -1008
to protect the system against wire-
to-wire short circuits on the
SmartScan
TM
SLC loops.
2243isox.wmf
Applications
The Fault Isolator Modules should
be spaced between groups of sen-
sors in a loop to protect the rest of
the loop. Use to isolate short circuit
SS-LI Fault Isolator Module
problems within a section of a loop
so that other sections can continue
to operate normally. The SS-LI sup-
ports a maximum of 25 devices
inbetween isolators.
The maximum number of addressable devices between isolators (or B224BI isola-
tor bases) is 25 devices. B224RB relay bases draw more current than other intelli-
gent devices. When calculating the 25-device maximum: B224RB represents 2.5
DEVICES
NOTE ON MAXIMUM NUMBER OF DEVICES:
Up to 99 SS-LI modules and/or bases
an be used per Signaling Line Circuit (SLC) without loss of additional module ad-
dresses due to current limitations.
Listings
Listings and approvals below
apply to the SS-LI Fault Isolator
Module. In some cases, the
module may not be listed by
certain approval agencies, or
listing may be in process. Consult
factory for latest listing status.
• UL Listed: file S1195.
2243dia1.wmf
Installation
•
•
•
•
Mount on a standard 4" (10.16 cm) mounting junction box which is at least
2-1/8" (5.3975 cm) deep.
Terminal screws are provided for “in and out” wiring.
Installation instructions are provided with each module.
Surface-mount box is available as an option.
Product Line Information
SS-LI
SMB500
Isolator Module.
Surface Mount Backbox.
Construction
The face plate is made of off-white plastic. Includes yellow LED indicator that pulses
when normal and illuminates steady when a short is detected.
SS-LI
CS-2464 09/01/06
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