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) 1Typical Beam Size
QS186LE
Class 1
Small Spot
With receiver Q23SN6R: 7500
See Table 1 on page
2.
With receiver SM31RL: 340
With receiver QS18VN6R: 4500
With receiver VS3AN5R: 2100
With receiver VS2AN5R: 1100
QS186LE10 Circle -
QS186LE11 Vertical Line -
QS186LE12 Horizontal Line -
QS186LE14 Cross -
QS186LE2
Class 2
Small Spot
With receiver Q23SN6R: 12200
See Table 2 on page
3.
With receiver SM31RL: 1200
With receiver QS18VN6R: 7000
With receiver VS3AN5R: 5500
With receiver VS2AN5R: 3600
QS186LE210 Circle -
QS186LE211 Vertical Line -
QS186LE212 Horizontal Line -
QS186LE214 Cross -
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.
1Not recommended for dusty or dirty environments; the scattered light would greatly reduce excess gain.
WORLD-BEAM QS186LE Laser Emitter
Original Document
109415 Rev. H 27 March 2014
109415
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) Beam Width (W)
Distance = X
Approx.
0.5mrad = 0.029°
Approx. 2.5 mm
W = 2.5 mm + 2X(tan.0029°) = 2.5 mm + X(0.001)
W
Figure 1. QS186LE Laser Emitter Beam Divergence at 25°C
1.5 m (5 ft) 3.5 mm (0.14 inches)
3 m (10 ft) 5 mm (0.20 inches)
6 m (20 ft) 7.5 mm (0.29 inches)
15 m (50 ft) 16 mm (0.63 inches)
30 m (100 ft) 26 mm (1.02 inches)
Table 1: Typical Beam Size vs Distance (Class 1 Lasers)
Typical Beam Size vs. Distance, Class 1 Lasers
Small Spot (Model QS186LE)
Distance 1.5 m (5 ft) 3 m (10 ft) 6 m (20 ft) 15 m (50 ft) 30 m (100 ft) - -
Spot Size 3.5 mm (0.14 in) 5 mm (0.2 in) 7.5 mm (0.29 in) 16 mm (0.63 in) 26 mm (1.02 in) - -
Circle (Model QS186LE10) 2
Distance 0.4 m (1.3 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 2 m (6.6 ft) 3 m (10 ft) 4 m (13 ft) 5 m (16 ft)
Circle Diameter 16 mm (0.63 in) 32 mm (1.26 in) 40 mm (1.57 in) 82 mm (3.23 in) 120 mm (4.72
in) 158 mm (6.22
in) 196 mm (7.72
in)
Vertical Line (Model QS186LE11) 3
Distance 0.2 m (0.6 ft) 0.4 m (1.3 ft) 0.6 m (1.9 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 1.5 m (5 ft) 2 m (6.6 ft)
Line Size 80 x 3 mm (3.1
x 0.1 in) 145 x 3 mm (5.7
x 0.1 in) 210 x 3 mm (8.3
x 0.1 in) 270 x 3 mm
(10.6 x 0.1 in) 330 x 3 mm
(13.0 x 0.1 in) 480 x 3 mm
(18.9 x 0.1 in) 600 x 3 mm
(23.6 x 0.1 in)
Horizontal Line (Model QS186LE12) 3
Distance 0.2 m (0.6 ft) 0.4 m (1.3 ft) 0.6 m (1.9 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 1.5 m (5 ft) 2 m (6.6 ft)
Line Size 95 x 2 mm (3.7
x 0.1 in) 175 x 2 mm (6.9
x 0.1 in) 252 x 2 mm (9.9
in x 0.1 in) 333 x 2.5 mm
(13.1 x 0.1 in) 418 x 2.5 mm
(16.5 x 0.1 in) 613 x 3 mm
(24.1 x 0.1 in) 765 x 3 mm
(30.1 x 0.1 in)
Cross (Model QS186LE14) 2
Distance 0.4 m (1.3 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 2 m (6.6 ft) 3 m (10 ft) 4 m (13 ft) 5 m (16 ft)
Line Size 60 mm (2.4 in) 125 mm (4.9 in) 155 mm (6.1 in) 310 mm (12.2
in) 460 mm (18.1
in) 615 mm (24.2
in) 760 mm (29.9
in)
2May 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).
3Light distribution is non-uniform, having less light at ends. The horizontal line is more uniform than the vertical line.
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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) Beam Displacement (Y) for
1° of Misalignment
Distance = X
Ø = Misalignment Angle
Y = X(tan Ø)
Laser Emitter
Y
Figure 3. Beam Displacement per Degree of Misalignment
1.5 m (5') 25 mm (0.98")
3 m (10') 50 mm (1.96")
6 m (20') 100 mm (3.92")
15 m (50') 250 mm (9.84")
30 m (100') 500 mm (19.7")
Table 2: Typical Beam Size vs Distance (Class 2 Lasers)
Typical Beam Size vs. Distance, Class 2 Lasers
Small Spot (Model QS186LE2)
Distance 1.5 m (5 ft) 3 m (10 ft) 6 m (20 ft) 15 m (50 ft) 30 m (100 ft) - -
Spot Size 3.8 mm (0.15 in) 5.1 mm (0.2 in) 10.2 mm (0.4 in) 17.8 mm (0.7 in) 30.5 mm (1.2 in) - -
Circle (Model QS186LE210) 4
Distance 0.4 m (1.3 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 2 m (6.6 ft) 3 m (10 ft) 4 m (13 ft) 5 m (16 ft)
Circle Diameter 17.8 mm (0.7 in) 33 mm (1.3 in) 41.9 mm (1.65
in) 82.3 mm (3.25
in) 122 mm (4.8 in) 160 mm (6.3 in) 198 mm (7.8 in)
Vertical Line (Model QS186LE211) 5
Distance 0.2 m (0.6 ft) 0.4 m (1.3 ft) 0.6 m (1.9 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 1.5 m (5 ft) 2 m (6.6 ft)
Line Size 72.1 x 2.5 mm
(2.8 x 0.1 in) 150 x 2.5 mm
(5.9 x 0.1 in) 208 x 2.5 mm
(8.2 x 0.1 in) 284 x 2.5 mm
(11.2 x 0.1 in) 350 x 2.5 mm
(13.8 x 0.1 in) 502 x 2.5 mm
(19.8 x 0.1 in) 660 x 2.5 mm
(26 x 0.1 in)
Horizontal Line (Model QS186LE212) 5
Distance 0.2 m (0.6 ft) 0.4 m (1.3 ft) 0.6 m (1.9 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 1.5 m (5 ft) 2 m (6.6 ft)
Line Size 74 x 2.5 mm
(2.9 x 0.1 in) 159 x 2.5 mm
(6.25 x 0.1 in) 224 x 2.5 mm
(8.8 in x 0.1 in) 330 x 2.5 mm
(13 x 0.1 in) 406 x 2.5 mm
(16 x 0.1 in) 610 x 2.5 mm
(24 x 0.1 in) 800 x 2.5 mm
(31.5 x 0.1 in)
Cross (Model QS186LE214) 4
Distance 0.4 m (1.3 ft) 0.8 m (2.6 ft) 1 m (3.3 ft) 2 m (6.6 ft) 3 m (10 ft) 4 m (13 ft) 5 m (16 ft)
Line Size 61 mm (2.4 in) 125 mm (4.9 in) 155 mm (6.1 in) 312 mm (12.3
in) 467 mm (18.4
in) 620 mm (24.4
in) 760 mm (29.9
in)
4May 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).
5Light distribution is non-uniform, having less light at ends. The horizontal line is more uniform than the vertical line.
WORLD-BEAM QS186LE Laser Emitter
P/N 109415 Rev. H www.bannerengineering.com - tel: 763-544-3164 3
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.
Reference IEC 60825-1:2001, section 8.2.
Class 2 Laser Characteristics: see specifications.
LASER LIGHT - DO NOT STARE INTO BEAM
CLASS 2 LASER PRODUCT
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.
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 General
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
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
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Performance Environmental
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
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 4-pin Euro-style Cable Pinout
10-30V dc
Beam
Enable
1
–
+
3
2
1 - Brown
2
3
4
1
2 - White
3 - Blue
4 - Black (not used)
Dimensions
Figure 4. Cabled Models
49.0 mm
1.93"
Figure 5. QD Models
8.0 mm
(0.32")
24.2 mm
(0.95")
Figure 6. Lock Nut
WORLD-BEAM QS186LE Laser Emitter
P/N 109415 Rev. H www.bannerengineering.com - tel: 763-544-3164 5
Accessories
Quick-Disconnect Cordsets
All measurements are listed in millimeters.
4-Pin Threaded M12/Euro-Style Cordsets
Model Length Style Dimensions Pinout
MQDC-406 1.83 m (6 ft)
Straight
44 Typ.
ø 14.5
M12 x 1
2
3
4
1
1 = Brown
2 = White
3 = Blue
4 = Black
MQDC-415 4.57 m (15 ft)
MQDC-430 9.14 m (30 ft)
MQDC-450 15.2 m (50 ft)
MQDC-406RA 1.83 m (6 ft)
Right-Angle
32 Typ.
[1.26"]
30 Typ.
[1.18"]
ø 14.5 [0.57"]
M12 x 1
MQDC-415RA 4.57 m (15 ft)
MQDC-430RA 9.14 m (30 ft)
MQDC-450RA 15.2 m (50 ft)
4-Pin Snap-on M8/Pico-Style Cordsets
Model Length Style Dimensions Pinout
PKG4-2 2.00 m (6.56 ft) Straight
ø 9.0
32 Typ.
4
31
2
1 = Brown
2 = White
3 = Blue
4 = Black
PKW4Z-2 2.00 m (6.56 ft) Right-Angle
ø 10.9
29 Typ.
15 Typ.
Retroreflective Tape
Used for laser alignment.
Model Reflectivity Factor Maximum Temperature Size
BRT-THG-4X4-5 0.7 +60 °C (+140 °F) 100 × 100 mm (package of 5)
Model Reflectivity Factor Maximum Temperature Size
BRT-THG-8.5X11-2 0.7 +60 °C (+140 °F) 216 × 280 mm (package of 2)
WORLD-BEAM QS186LE Laser Emitter
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Model Reflectivity Factor Maximum Temperature Size
BRT-THG-18X36 0.7 +60 °C (+140 °F) 457 × 914 mm (single sheet)
Mounting Brackets
All measurements are listed in millimeters.
SMB18A
• Right-angle mounting
bracket with a curved
slot for versatile
orientation
• 12-ga. stainless steel
• 18 mm sensor
mounting hole
• Clearance for M4 (#8)
hardware
30
41
46
AB
C
Hole center spacing: A to B = 24.2
Hole size: A = ø 4.6, B = 17.0 × 4.6, C = ø 18.5
SMB312S
• Stainless steel 2-axis,
side-mount bracket
46
B
C
A
32 20
A = 4.3 x 7.5, B = diam. 3, C
= 3 x 15.3
SMBQS18Y
• Die-cast bracket for
18 mm holes
• Includes metal hex
nut and lock washer
• Allows ± 8° for cabled
sensors
Hole size: A = ø 15.3
7.8 mm
[0.31"]
15.5 mm
[0.61"]
19.5 mm
[0.77"]
9.8 mm
[0.38"]
14.5 mm
[0.57"]
25.4 mm
[1"]
16.4 mm
[0.65"]
24.1 mm
[0.94"]
4.5 mm
[0.18"]
3.4 mm
[0.13"]
2x R24.1 mm
[0.95"]
2x 8
38.0 mm
[1.50"]
12.0 mm
[0.47"]
SMB46A
• 2-piece 12-ga.
stainless steel bracket
assembly with
precision sensor
alignment adjustment
• 2 mm hex key
included
61 mm
64.5 mm
43 mm
A
B
B
Hole center spacing: A to B = 18.5, B = 30.5
Hole size: A = ø 6.6, B = 7.1 x 20.3
SMBQS18A
• Wrap-around
protection bracket
• Die-cast bracket
• Base fits 18 mm
threaded hole
• Metal hex nut, lock
washer and grommet
included
• Mounting holes
specially designed for
QS18AF sensors
Hole size: A = ø 15.3
62
25
19
A
Banner Engineering Corp Limited Warranty
Banner Engineering Corp. warrants its products to be free from defects in material and workmanship for one year following
the date of shipment. Banner Engineering Corp. will repair or replace, free of charge, any product of its manufacture
which, at the time it is returned to the factory, is found to have been defective during the warranty period. This warranty
does not cover damage or liability for misuse, abuse, or the improper application or installation of the Banner product.
WORLD-BEAM QS186LE Laser Emitter
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THIS LIMITED WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS OR
IMPLIED (INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE), AND WHETHER ARISING UNDER COURSE OF PERFORMANCE, COURSE OF DEALING OR
TRADE USAGE.
This Warranty is exclusive and limited to repair or, at the discretion of Banner Engineering Corp., replacement. IN NO
EVENT SHALL BANNER ENGINEERING CORP. BE LIABLE TO BUYER OR ANY OTHER PERSON OR ENTITY FOR
ANY EXTRA COSTS, EXPENSES, LOSSES, LOSS OF PROFITS, OR ANY INCIDENTAL, CONSEQUENTIAL OR
SPECIAL DAMAGES RESULTING FROM ANY PRODUCT DEFECT OR FROM THE USE OR INABILITY TO USE THE
PRODUCT, WHETHER ARISING IN CONTRACT OR WARRANTY, STATUTE, TORT, STRICT LIABILITY,
NEGLIGENCE, OR OTHERWISE.
Banner Engineering Corp. reserves the right to change, modify or improve the design of the product without assuming any
obligations or liabilities relating to any product previously manufactured by Banner Engineering Corp.
WORLD-BEAM QS186LE Laser Emitter
www.bannerengineering.com - tel: 763-544-3164