Fiber Optic Lane Control
Features
Three-color capability per unit.
Only 84 watts (two lamps) per color and message for burnout
(fail-safe)protection.
Exceptional message visibility and clarity.
Lower operating and service cost, easy maintenance.
Two-way housing is lightweight, economical and easy to service.
UL approved.
1.0 General Description (One Way)
1.1 One-Message Signal shall be capable of displaying one message. This
message may be a red X, a yellow X or a downward green arrow.
1.2 Two-Message Signal shall be capable of displaying any two of the
messages listed in 1.1.
1.3 Three-Message Signal shall be capable of displaying all three
messages listed in 1.1.
2.0 General Description (Two Way)
2.1 Each side of a two-way lane control signal shall be capable of
displaying any of the combinations listed in 1.1 through 1.3
above for one-way signals.
2.2 Two-way signals shall be serviceable from either of the two sides.
3.0 Functional Requirements
3.1 All messages shall be clearly legible, attracting attention under
any lighting conditions. At full intensity the signal will be
highly visable anywhere within a 20 degree cone centered about
the optic axis(60 degree cone available on request).
3.2 The signal shall consist of:
a. Weatherproof housing and door.
b. Fiber optic module.
c. Color filters for desired message colors.
d. Light sources.
e. Transformers.
3.3 The color of any message may be changed in the field by replacement
of the supplied color filters without removing the signal from
the case.
3.4 Two (2) 42-watt, 10.8-volt lamps with a rated life expectancy of
8,000 hours shall be used for each message. Lamps shall be mounted
horizontally to prevent moisture collection.
3.5 Individual glass output lenses shall be fitted over the end of each
fiber optic glass bundle to provide the 20 degree viewing angle.
Lenses shall be 5/8" in diameter and arranged to form the
appropriate message.
3.6 Transformers shall be used to reduce the incoming 120 volts AC to
10.8 volts AC. The transformers shall contain Class A insulation
and weatherproofing and be rated at 48.5 volt-amps.
3.7 The signal shall be capable of continuous operation over a range in
temperature from -35 F to +165 F (-37 C to +75 C).
3.8 Power consumption shall be less than 100 watts per message
(two lamps for burnout protection).
3.9 A separate transformer shall be used to isolate each light source to
provide burnout protection.
3.10 Bundles shall be arranged so that in the event of a failure of one
light source, the other shall continue to provide a legible message
(bifurcated points are available on one- and two-message units).
4.0 Fiber Optic Modules
4.1 The fiber optic module shall consist of the following components:
a. A rigid aluminum message plate.
b. Fiber optic glass bundles and spares.
c. Fiber optic commons.
d. Color chip/lamp socket holder(s).
e. Color chip(s).
f. Flat black Delron lens holders.
g. 5/8" glass lens (20 degree cone field of view).
h. Protective back cover for fiber bundles.
4.2 The 5/8" glass lenses shall be mounted in black Delron lens cells by
heat-swedging the lens into the cell onto a square-shouldered seat
to insure proper location. The combined unit shall be mounted into
the signal face by means of a plated snap ring on the interior.
Number of cells varies according to message.
4.3 The finished lens cell assembly shall not protrude from the signal
face by more than 5/16"
4.4 Door panels and lens holders shall be colored flat black to maximize
legibility when activated. No color shall appear in the lenses when
deactivated regardless of amhient light conditions.
4.5 Message color is provided by a tempered, optically correct glass
color filter in conformance with ITE specifications.
4.6 Electrical connection shall be made via barrier-type terminal strip.
4.7 All fasteners and hardware shall be corrosion resistant stainless
steel.
4.8 All components shall be readily accessible for maintenance when the
door is open.
4.9 With Standard hardware and locks, no tools are needed for lamp
replacement.
5.0 Mechanical Construction
5.1 Alluminum Housing
a. One-way housings shall be constructed of .080" or .125" extruded
alluminum 8" deep with a .063" flat aluminum back welded into the
housing.
b. Two-way housings shall be constructed of .063" aluminum body and a
.063" thick channel aluminum framework structure inside. Housing
body and inside framework shall be permanently attached to form a
single unit.
c. All corners and seams of one or two-way housing are heli-arc
welded to provide a weatherproof seal around the entire case.
d. Continuous full length stainless steel hinges, .040" x 1 /16"
open, shall connect to the housing and the extruded aluminum door.
e. Signals shall have sufficient stainless steel 1/4-turn link-locks
to tightly secure the door.
f. Door gaskets shall be 3/16" x 1" neuprene to provide a
weatherproof seal.
g. .125" extruded aluminum doors have one side removeable to gain
access to signal face. (Not required for normal maintenance.)
h. Signal face shall be .O8O" flat aluminum or equivalent and
have the entire fiber optic assembly mounted to it.
i. Each door is fitted with a sun hood .063" aluminum.
j. Finish on signal housings shall be two coats of exterior signal
enamel applied after surface material is acid-etched and primed
with zinc-cromate primer.
6.0 Optional Equipment
6.1 For improved night time visibility dimming may be provided by one of
the following:
a. Adjustable phase loop dimming. (Lowers voltage to one or
more signal)
b. 50% dimming relay with lamp monitor. (Monitors the lamp in the
dimmed mode and shuts off dimmer in the event of lamp failure.)
Warranty
All products will be warranted to be free of defects due to material and
workmanship for a period of two (2) years.
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