WORLD-BEAM QS186LE Laser Emitter
Datasheet
Class 1 and 2 lasers for use with Banner modulated photoelectric receivers
• Self-contained Class 1 or Class 2 modulated visible laser diode emitters
permit higher gain than LEDs and extended range in opposed-mode
sensing systems.
• Narrow effective beam provides small-object detection and precise
position control.
• Bright spot and multiple shapes provide great visual marking of objects.
• 10 to 30 V dc operation; third wire extinguishes laser light when
connected to +V correct dc.
Models
Laser Class
Laser Spot Shape
Excess Gain at 15 m (50 ft)
1
With receiver Q23SN6R: 7500
With receiver SM31RL: 340
Typical Beam Size
QS186LE
Small Spot
With receiver QS18VN6R: 4500
With receiver VS3AN5R: 2100
Class 1
QS186LE10
QS186LE11
QS186LE12
QS186LE14
Circle
Vertical Line
Horizontal Line
Cross
With receiver VS2AN5R: 1100
-
-
-
-
With receiver Q23SN6R: 12200
With receiver SM31RL: 1200
See
Table 1
on page
2.
QS186LE2
Small Spot
With receiver QS18VN6R: 7000
With receiver VS3AN5R: 5500
Class 2
QS186LE210
QS186LE211
QS186LE212
QS186LE214
Circle
Vertical Line
Horizontal Line
Cross
With receiver VS2AN5R: 3600
-
-
-
-
See
Table 2
on page
3.
Standard 2 m (6.5 ft) cable models are listed. To order the 9 m (30 ft) cable model, add suffix "W/30" (QS18LE W/30). To
order the 4-pin Pico-style pigtail QD models, add suffix "Q" (QS18LEQ). To order the 4-pin integral Pico-style QD models,
add suffix "Q7" (QS18LEQ7). To order the 4-pin Euro-style QD pigtail models, add suffix "Q5" (QS18LEQ5). To order the 4-
pin integral Euro-style QD models, add suffix "Q8" (QS18LEQ8).
Models with a QD connector require a mating cable.
WARNING: Not To Be Used for Personnel Protection
Never use this device as a sensing device for personnel protection. Doing so could lead to
serious injury or death.
This device does not include the self-checking redundant circuitry necessary
to allow its use in personnel safety applications. A sensor failure or malfunction can cause either an
energized or de-energized sensor output condition.
1 Not recommended for dusty or dirty environments; the scattered light would greatly reduce excess gain.
Original Document
109415 Rev. H
27 March 2014
109415
WORLD-BEAM QS186LE Laser Emitter
Alignment
Conventional modulated infrared LED photoelectric emitters are designed with beam divergence angles of several degrees.
As a result, most emitters are easily aligned to their receivers by simple line-of-sight methods.
The beam widths listed (see
Figure 1
on page 2) are also the effective beam sizes at the receiver for model QS186LE.
The effective beam size is equal to the minimum opaque object profile required to block the laser beam. The beam size at
the emitter is 2.5 mm (0.1 inches) diameter. Beam sizes at various distances for other models are shown in the tables
below.
The effect of angular misalignment is dramatic (see
Figure 3
on page 3). The wide beam angles offered by conventional
photoelectric emitters allow several degrees of misalignment between the optical axes of the emitter and receiver. This is
not true for laser emitters, which require the beam center to directly strike the receiver lens. The figures show how far the
laser beam will miss the center of the receiver lens for one degree of angular misalignment (in any plane). Note that even
at a 5 foot range, one degree of misalignment will cause the laser beam to miss the lens of most receivers.
Opposed Distance
(X)
Approx. 2.5 mm
Approx.
0.5mrad = 0.029°
Beam Width (W)
3.5 mm (0.14 inches)
5 mm (0.20 inches)
7.5 mm (0.29 inches)
16 mm (0.63 inches)
26 mm (1.02 inches)
1.5 m (5 ft)
3 m (10 ft)
6 m (20 ft)
Distance = X
W
15 m (50 ft)
30 m (100 ft)
W = 2.5 mm + 2X(tan.0029°) = 2.5 mm + X(0.001)
Figure 1. QS186LE Laser Emitter Beam Divergence at 25°C
Table 1: Typical Beam Size vs Distance (Class 1 Lasers)
Typical Beam Size vs. Distance, Class 1 Lasers
Small Spot (Model QS186LE)
Distance
Spot Size
1.5 m (5 ft)
3.5 mm (0.14 in)
3 m (10 ft)
5 mm (0.2 in)
6 m (20 ft)
7.5 mm (0.29 in)
15 m (50 ft)
16 mm (0.63 in)
30 m (100 ft)
26 mm (1.02 in)
-
-
-
-
Circle (Model QS186LE10)
2
Distance
Circle Diameter
0.4 m (1.3 ft)
16 mm (0.63 in)
0.8 m (2.6 ft)
32 mm (1.26 in)
1 m (3.3 ft)
40 mm (1.57 in)
2 m (6.6 ft)
82 mm (3.23 in)
3 m (10 ft)
120 mm (4.72
in)
4 m (13 ft)
158 mm (6.22
in)
5 m (16 ft)
196 mm (7.72
in)
Vertical Line (Model QS186LE11)
3
Distance
Line Size
0.2 m (0.6 ft)
80 x 3 mm (3.1
x 0.1 in)
0.4 m (1.3 ft)
145 x 3 mm (5.7
x 0.1 in)
0.6 m (1.9 ft)
210 x 3 mm (8.3
x 0.1 in)
0.8 m (2.6 ft)
270 x 3 mm
(10.6 x 0.1 in)
1 m (3.3 ft)
330 x 3 mm
(13.0 x 0.1 in)
1.5 m (5 ft)
480 x 3 mm
(18.9 x 0.1 in)
2 m (6.6 ft)
600 x 3 mm
(23.6 x 0.1 in)
Horizontal Line (Model QS186LE12)
3
Distance
Line Size
0.2 m (0.6 ft)
95 x 2 mm (3.7
x 0.1 in)
0.4 m (1.3 ft)
175 x 2 mm (6.9
x 0.1 in)
0.6 m (1.9 ft)
252 x 2 mm (9.9
in x 0.1 in)
0.8 m (2.6 ft)
333 x 2.5 mm
(13.1 x 0.1 in)
1 m (3.3 ft)
418 x 2.5 mm
(16.5 x 0.1 in)
1.5 m (5 ft)
613 x 3 mm
(24.1 x 0.1 in)
2 m (6.6 ft)
765 x 3 mm
(30.1 x 0.1 in)
Cross (Model QS186LE14)
2
Distance
Line Size
0.4 m (1.3 ft)
60 mm (2.4 in)
0.8 m (2.6 ft)
125 mm (4.9 in)
1 m (3.3 ft)
155 mm (6.1 in)
2 m (6.6 ft)
310 mm (12.2
in)
3 m (10 ft)
460 mm (18.1
in)
4 m (13 ft)
615 mm (24.2
in)
5 m (16 ft)
760 mm (29.9
in)
2 May contain a small collimated spot in the center of the pattern. For best focus, view circle at distances greater than 1 meter and cross at
distances greater than 0.3 m (image is not crisp at closer distances).
3 Light distribution is non-uniform, having less light at ends. The horizontal line is more uniform than the vertical line.
2
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P/N 109415 Rev. H
WORLD-BEAM QS186LE Laser Emitter
Alignment Tip:
The visible red beam of the laser emitter is easily
seen in subdued lighting. At opposed distances of up to 10 feet,
attach a sheet of white paper directly in front of the receiver lens
and mark the location of the lens center on the paper. Using the
mark as an aiming target, sight along the beam from directly
behind the laser emitter. Adjust the emitter mounting until the dot
of red light is centered exactly on the mark. Remove the paper and
check the response of the receiver.
For longer distances (up to 25 feet), replace the white paper with a
4 x 4 inch square of high-grade retroreflective tape (Banner model
BRT-THG-4X4-5 or equivalent; see
Figure 2
on page 3). For
greater distances, use a larger sheet of retroreflective material
(see
Retroreflective Tape
on page 6).
At long distances, use retroreflective tape to locate the beam at
the desired location. Never use a mirror as an alignment target.
Receiver
Target
Laser Emitter
Figure 2. Long Distance Alignment
Opposed Distance (X)
1.5 m (5')
Y
Laser Emitter
Distance = X
Beam Displacement (Y) for
1° of Misalignment
25 mm (0.98")
50 mm (1.96")
100 mm (3.92")
250 mm (9.84")
500 mm (19.7")
Ø = Misalignment Angle
3 m (10')
6 m (20')
15 m (50')
Y = X(tan Ø)
30 m (100')
Figure 3. Beam Displacement per Degree of Misalignment
Table 2: Typical Beam Size vs Distance (Class 2 Lasers)
Typical Beam Size vs. Distance, Class 2 Lasers
Small Spot (Model QS186LE2)
Distance
Spot Size
1.5 m (5 ft)
3.8 mm (0.15 in)
3 m (10 ft)
5.1 mm (0.2 in)
6 m (20 ft)
10.2 mm (0.4 in)
15 m (50 ft)
17.8 mm (0.7 in)
30 m (100 ft)
30.5 mm (1.2 in)
-
-
-
-
Circle (Model QS186LE210)
4
Distance
Circle Diameter
0.4 m (1.3 ft)
17.8 mm (0.7 in)
0.8 m (2.6 ft)
33 mm (1.3 in)
1 m (3.3 ft)
41.9 mm (1.65
in)
2 m (6.6 ft)
82.3 mm (3.25
in)
3 m (10 ft)
122 mm (4.8 in)
4 m (13 ft)
160 mm (6.3 in)
5 m (16 ft)
198 mm (7.8 in)
Vertical Line (Model QS186LE211)
5
Distance
Line Size
0.2 m (0.6 ft)
72.1 x 2.5 mm
(2.8 x 0.1 in)
0.4 m (1.3 ft)
150 x 2.5 mm
(5.9 x 0.1 in)
0.6 m (1.9 ft)
208 x 2.5 mm
(8.2 x 0.1 in)
0.8 m (2.6 ft)
284 x 2.5 mm
(11.2 x 0.1 in)
1 m (3.3 ft)
350 x 2.5 mm
(13.8 x 0.1 in)
1.5 m (5 ft)
502 x 2.5 mm
(19.8 x 0.1 in)
2 m (6.6 ft)
660 x 2.5 mm
(26 x 0.1 in)
Horizontal Line (Model QS186LE212)
5
Distance
Line Size
0.2 m (0.6 ft)
74 x 2.5 mm
(2.9 x 0.1 in)
0.4 m (1.3 ft)
159 x 2.5 mm
(6.25 x 0.1 in)
0.6 m (1.9 ft)
224 x 2.5 mm
(8.8 in x 0.1 in)
0.8 m (2.6 ft)
330 x 2.5 mm
(13 x 0.1 in)
1 m (3.3 ft)
406 x 2.5 mm
(16 x 0.1 in)
1.5 m (5 ft)
610 x 2.5 mm
(24 x 0.1 in)
2 m (6.6 ft)
800 x 2.5 mm
(31.5 x 0.1 in)
Cross (Model QS186LE214)
4
Distance
Line Size
0.4 m (1.3 ft)
61 mm (2.4 in)
0.8 m (2.6 ft)
125 mm (4.9 in)
1 m (3.3 ft)
155 mm (6.1 in)
2 m (6.6 ft)
312 mm (12.3
in)
3 m (10 ft)
467 mm (18.4
in)
4 m (13 ft)
620 mm (24.4
in)
5 m (16 ft)
760 mm (29.9
in)
4 May contain a small collimated spot in the center of the pattern. For best focus, view circle at distances greater than 1 meter and cross at
distances greater than 0.3 m (image is not crisp at closer distances).
5 Light distribution is non-uniform, having less light at ends. The horizontal line is more uniform than the vertical line.
P/N 109415 Rev. H
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3
WORLD-BEAM QS186LE Laser Emitter
Description of Laser Classes
Class 1 Lasers.
Lasers that are safe under reasonably foreseeable conditions of
operation, including the use of optical instruments for intrabeam viewing.
Reference IEC 60825-1:2001, section 8.2.
Class 1 Laser Characteristics: see specifications.
Class 2 Lasers.
Low-power lasers are by definition incapable of causing eye injury
within the duration of the blink (aversion response) of 0.25 seconds. This reaction
may be expected to provide adequate protection under reasonably foreseeable
conditions of operation, including the use of optical instruments for intrabeam
viewing. They also must emit only visible wavelengths (400–700 nm). Therefore, an
ocular hazard can exist only if an individual overcomes their natural aversion to
bright light and stares directly into the laser beam.
For safe laser use:
•
•
•
Do not permit a person to stare at the laser from within the beam.
Do not point the laser at a person’s eye at close range.
The beam emitted by a Class 2 laser product should be terminated at the
end of its useful path. Open laser beam paths should be located above or
below eye level where practical.
Pulse Power < 4 mW, 645 - 665 nm, 35 kHz,
5.1 uS Pulse. Complies TO 21 CFR 1040.10 &
EN60825-1:2001 except for deviations pursuant
to laser notice No. 50, dated 7-26-01.
LASER LIGHT - DO NOT STARE INTO BEAM
CLASS 2 LASER PRODUCT
Reference IEC 60825-1:2001, section 8.2.
Class 2 Laser Characteristics: see specifications.
CAUTION: Do Not Disassemble for Repair
This device contains no user-serviceable components. Do not attempt to disassemble for repair. Use of
controls or adjustments or performance of procedures other than those specified herein may result in
hazardous radiation exposure. A defective unit must be returned to the manufacturer.
Installation
To mount the QS186LEx into bracket models SMB18A or SMB46A, follow these steps.
1. Insert the laser emitter into the hole in the bracket.
2. Tighten the hex jam nut to the bracket until the emitter is held securely in place.
3. Mount the bracket using user-supplied screws or bolts. The SMB18A bracket uses M4 or #8 screws or bolts and the
SMB46A bracket uses M5 or #10 screws or bolts.
4. Check the sensor alignment, see
Alignment
on page 2. If you are using the adjustable bracket (model SMB46A),
tighten or loosen one or two of the precision alignment screws, using the supplied 2 mm Allen wrench, until the laser is
accurately aligned.
Specifications
Power
Supply Voltage and Current
10 to 30 V dc (10% maximum ripple) at less than 35 mA
Supply Protection Circuitry
Protected against reverse polarity
Delay at Power Up
Class 1 Models: 250 ms
Class 2 Models: 10 ms
General
Indicators
Green LED, indicates power applied
Construction
ABS housing, PMMA window
3 mm mounting hardware included
Connections
PVC-jacketed 2 m (6.5 ft) attached cable, or 4-pin Euro-style quick-
disconnect (QD) fitting
4
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P/N 109415 Rev. H
WORLD-BEAM QS186LE Laser Emitter
Performance
Sensing Beam (Class 1 Laser)
650 nm visible red (temperature coefficient 0.2 nm/°C)
Pulse Width: 5 microseconds
Rep Rate: 27 microseconds
Pulse Output Power: less than 1.9 milliwatts
Sensing Beam (Class 2 Laser)
650 nm visible red (temperature coefficient 0.25 nm/°C)
Pulse Width: 5 microseconds
Rep Rate: 27 microseconds
Pulse Output Power: less than 4 milliwatts
Laser Control
Apply 0 V dc to white wire to enable beam
Apply +10 to 30 V dc to white wire to inhibit beam
Class 1 Enable Time: 240 ms; 100 ms disable time
Class 2 Enable Time: 8 ms; 1 ms disable time
Laser Classification
Class 1 / Class 2 laser product; complies with 21 CFR 1040.10,
EN60825-1:2001 except for deviations pursuant to Laser Notice 50,
dated 7-26-01
Environmental
Rating
NEMA 6; IEC IP67; UL Type 1
Operating Conditions
Temperature: –10 °C to 50 °C (14 °F to 122 °F)
Max. Relative Humidity: 90% at 50 °C (non-condensing)
Certifications
Wiring
Cable and QD hookups are functionally identical.
Key
1 - Brown
2 - White
4-pin Euro-style Cable Pinout
1
3
2
Beam
Enable
+
10-30V dc
–
3 - Blue
4 - Black (not used)
1
4
2
3
Dimensions
15.0 mm
0.59"
3 mm
0.12"
31.0 mm
1.22"
17.1 mm
0.67"
M18 x 1 Thread
Max. torque 2.3 Nm (20 in-lbs)
Green LED
24.1 mm
0.95"
35.0 mm
1.38"
49.0 mm
1.93"
2x Ø 3.3 mm
0.13"
Max. torque 0.6 Nm (5 in-lbs)
24.2 mm
(0.95")
8.0 mm
(0.32")
Figure 4. Cabled Models
Figure 5. QD Models
Figure 6. Lock Nut
P/N 109415 Rev. H
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5
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