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Indoor Photo-Electric Infrared Beam Barrier
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IR-50 and IR-150 are pulse-modulated photoelectric infrared
beam barrier designed for indoor residential, commercial and
industrial applications. The system consists of a transmitter
producing a wide angle (IR-50) or concentrated (IR-150) invisible
infrared beam towards a narrow-angle receiver. Visible Beam
Locator light in the receiver (IR-50) or in the transmitter and the
receiver (IR-150), provide quick and easy alignment without
special tools or test equipment.
The transmitted beam is generated by 2 powerful infrared LEDs.
The 40° wide angle beam of IR-50 allows multiple receiver
installations using a single transmitter. The 6° receiver field of
view provides a large safety margin to prevent false alarms. Yet it
is narrow enough to eliminate reception of reflected beam. Internal
built-in optical filter prevents unwanted light penetration, other
than the infrared wavelength.
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FEATURE
OPTICAL
Up to 50m (150 ft)
Range (**)
Transmitter beam width
Receiver field of view
Adjustment
Beam Locators
Visible Beam Locator built into receiver and transmitter
ELECTRICAL
Voltage
Transmitter current
Receiver current
Relay output
Normally closed (fail-safe) contacts. 18 ohm resistor in
series with contacts. Rating - 0.5A resistive/24 VDC.
Alarm period
Tamper contacts
Normally closed. Rating - 0.5A resistive/24 VDC.
LED
Figure 1A. IR-50 Side View Beam Pattern
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A. Select mounting locations / height for the transmitter and
receiver(s) so that an intruder will cross the beam(s). The
receiver and transmitter should be mounted facing each other,
and their angular back housing allow installation directly onto a
wall (surface mount), or in a corner. They may also be
flush-mounted using optional bracket SRF-201. (Fig. 5).
B . Prevent receiver's lens exposure to direct sun light, to prevent
false alarm.
C . For maximum reliability, locate the receiver as far as possible
from fluorescent light or flickering lights.
NOTE: The transmitter unit is not sensitive to any of the above
disturbance sources and may be placed wherever desired.
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A. Insert a small screw driver into the slot on top of the unit, press
lightly down and remove the cover.
DE1851
IR-50
IR-150
Up to 150m (500 ft)
40° (*)
6° (*)
6°(*)
Vertical +10° to 20°. Horizontal 30°.
9 - 16VDC (protected against reverse polarity)
20mA
15mA
15mA
2 - 3 seconds
Three selectable operation modes
Figure 1B. IR-50 Top View - Multiple
The
system
is
fluorescent radiation, flickering
lights and indirect sunlight.
State-of-the-art
circuitry
provides
against
RF
interference
supply voltage transients.
The transmitter emits an invisible
beam, to the receiver. When an
intruder
crosses
barrier, the receiver's internal
alarm relay deenergizes.
The receiver's walk test LED lights at the same time (when LED
selector is in Walk position, see par. 3.4). After crossing, the relay
again energizes and the LED extinguishes.
FEATURE
Infrared source
Infrared sensor
Transmitter Frequency
IR wavelength
Receiver type (Qty.)
ENVIRONMENTAL
Operating temperature
Storage temperature
PHYSICAL
Dimensions
Weight
Colors
* Typical, horizontal and vertical.
Receivers
Figure 3. Cover Removal
Figure 5. Flush Mounting
Bracket SRF-201
Installation Instructions
immune
to
electronic
protection
and
IR-50 Transmitter & Receiver
this
beam
Note: External view of IR-150
transmitter & receiver is similar.
IR-50
Long-life Gallium Arsenide LED
PIN photodiode
1 kHz, 10 microsecond pulse width
950 nm
IRR-50 (one or multiple)
-10°C to 50°C (14°F to 122°F)
-20°C to 60°C (-4°F to 140°F)
120 x 70 x 48 mm (4.7 x 2.7 x 1.9 in)
220 g (0.48 lb)
Dark beige standard
cream/ white also available
**
distance between transmitter to receiver
Figure 2. IR-150 View Beam Pattern
Figure 4. Cover Replacement
Figure 6. Beam Locator Light
IR-150
IRR-150 (one)
Dark beige or standard
white
Side View
Top View
1
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