Printed in USA 11/05 P/N 119165 rev. A
WORLD-BEAM® QS30 DC Voltage
Compact, self-contained photoelectric sensors in universal-style housing
WARNING . . . Not To Be Used for Personnel Protection
Never use these products as sensing devices for personnel protection. Doing so could lead to serious injury or death
These sensors do NOT include the self-checking redundant circuitry necessary to allow their use in personnel safety
applications. A sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Consult your current
Banner Safety Products catalog for safety products which meet OSHA, ANSI and IEC standards for personnel protection.
* Only standard 2 m (6.5') cable models are listed. For 9 m (30') integral cable, add suffix “W/30” to the model number (e.g., QS30E W/30).
QD models: For 5-pin integral Euro-style QD, add suffix Q” (e.g., QS30EQ).
Range is specified using a model BRT-84 retroreflector.
Sensing Mode Model* Range Output
Opposed
875 nm Infrared QS30E
emitter
60 m (200')
QS30R
receiver
Bipolar
NPN/PNP
Polarized Retro
630 nm Visible Red
QS30LP 8 m (26')
Retro
630 nm Visible Red
QS30LV 12 m (40')
Sensing Mode Model* Range Output
Diffuse
940 nm Infrared
QS30D 1 m (3.3')
Bipolar
NPN/PNP
Fixed-Field
680 nm Visible Red
QS30FF200 200 mm (8")
QS30FF400 400 mm
(16")
QS30FF600 600 mm
(24")
Effective Beam:
18 mm (0.7")
P
Features
Advanced one-piece photoelectric sensors with exceptional long-range optical
performance
Compact housing with mounting versatility, via its popular 30 mm threaded barrel
or side-mount holes
10 to 30V dc operation with bipolar discrete outputs, NPN and PNP
• Selectable Light or Dark Operate, depending on hookup
Tough ABS/polycarbonate blend housing is rated to IEC IP67; NEMA 6
Easy-to-see sensor status indicators: two status LEDs visible from 360°; extra-large
Output indicator on back of sensor housing (except emitters) visible from long
distance
Opposed, retroreflective, polarized retroreflective, diffuse and fixed-field (200, 400,
or 600 mm cutoff) models available
Retroreflective, polarized retroreflective, and diffuse models have potentiometer on
back of housing for easy sensor range adjustment
Choose 2 m integral cable or Euro-style integral QD models
Models
WORLD-BEAM® QS30 DC Voltage
2 P/N 119165 rev. A
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Fixed-Field Mode Overview
QS30 Series self-contained fixed-field sensors are small, powerful, visible red diffuse
mode sensors with far-limit cutoff (a type of background suppression). Their high
excess gain and fixed-field technology allow them to detect objects of low reflectivity
that are directly in front of another surface, while ignoring the surface in the
background.
The cutoff distance is fixed. Backgrounds and background objects must always be
placed beyond the cutoff distance.
Fixed-Field Sensing – Theory of Operation
In operation, the QS30FF compares the reflections of its emitted light beam (E) from an
object back to the sensor’s two differently-aimed detectors R1 and R2 (see Figure 2). If
the near detector (R1) light signal is stronger than the far detector (R2) light signal (see
object A, closer than the cutoff distance), the sensor responds to the object. If the far
detector (R2) light signal is stronger than the near detector (R1) light signal (see object
B, object beyond the cutoff distance), the sensor ignores the object.
The cutoff distance for model QS30FF sensors is fixed at 200, 400 or 600 millimeters
(8", 16", or 24"). Objects lying beyond the cutoff distance are ignored, even if they are
highly reflective. However, it is possible to falsely detect a background object, under
certain conditions (see Background Reflectivity and Placement).
In the drawings and discussion on these pages, the letters E, R1, and R2 identify how
the sensor’s three optical elements (Emitter “E”, Near Detector “R1”, and Far Detector
“R2”) line up across the face of the sensor. The location of these elements defines the
sensing axis (see Figure 2). The sensing axis becomes important in certain situations,
such as those illustrated in Figures 5 and 6.
Sensor Setup
Sensing Reliability
For best sensing reliability, the sensor-to-object distance should be positioned to
maximize excess gain. The excess gain curves for these products are shown on page
5. Sensing at higher excess gains will make maximum use of each sensor’s available
sensing power. The background must be placed beyond the cutoff distance; more
reflective backgrounds must be placed further back. Following these two guidelines will
improve sensing reliability.
Background Reflectivity and Placement
Avoid mirror-like backgrounds that produce specular reflections. False sensor response
will occur if a background surface reflects the sensor’s light more strongly to the
near detector, or “sensing” detector (R1) than to the far detector, or “cutoff” detector
(R2). The result is a false ON condition (Figure 3). Use of a diffusely-reflective (matte)
background will cure this problem. Other possible solutions are to angle the sensor or
angle the background (in any plane) so the background does not reflect light back to
the sensor (see Figure 4). Position the background as far beyond the cutoff distance as
possible.
An object beyond the cutoff distance, either stationary (and when positioned as shown
in Figure 5), or if it moves past the face of the sensor in a direction perpendicular to the
sensing axis, can cause unwanted triggering of the sensor if it reflects more light to the
near detector than to the far detector. The problem is easily remedied by rotating the
sensor 90° (Figure 6). The object then reflects the R1 and R2 fields equally, resulting in
no false triggering. A better solution, if possible, may be to reposition the object or the
sensor.
Sensing
Axis
R1
R2
E
As a general rule, the most reliable sensing
of an object approaching from the side
occurs when the line of approach is
parallel to the sensing axis.
Figure 2. Fixed-field sensing axis
R1
R2
Lenses
Object
A
Object B
or
Background
Sensing
Range
Cutoff
Distance
E
Receiver
Elements
Near
Detector
Far
Detector
Emitter
Object is sensed if amount of light at R1
is greater than the amount of light at R2
Figure 1. Fixed-field concept
P/N 119165 rev. A 3
WORLD-BEAM® QS30 DC Voltage
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Color Sensitivity
The effects of object reflectivity on cutoff distance, though small, may be important
for some applications. It is expected that at any given cutoff setting, the actual cutoff
distance for lower reflectance targets will be slightly shorter than for higher reflectance
targets. This behavior is known as color sensitivity.
For example, an excess gain of 1 (see page 5) for an object that reflects 1/10 as much
light as the 90% white card is represented by the horizontal graph line at excess gain
= 10. This line intersects the curve at approximately 190 mm. Thus, an object of this
reflectivity results in a far limit cutoff of approximately 190 mm (7.5") for the 200 mm
cutoff model, for example; and 190 mm represents the cutoff for this sensor and target.
The excess gain curves on page 5 were generated using a white test card of 90%
reflectance. Objects with reflectivity of less than 90% reflect less light back to the
sensor, and thus require proportionately more excess gain in order to be sensed
with the same reliability as more reflective objects. When sensing an object of very
low reflectivity, it may be especially important to sense it at or near the distance of
maximum excess gain.
QS30FF
R1 = Near Detector
R2 = Far Detector
E = Emitter
Core of
Emitted
Beam
Cutoff
Distance
Reflective
Background
Strong
Direct
Reflection
to R1
Fixed
Sensing
Field
R1
R2
E
Fixed
Sensing
Field
Cutoff
Distance
R1 = Near Detector
R2 = Far Detector
E = Emitter
QS30FF
R1
R2
E
Reflective
Background
or
Moving Object
Figure 3. Reflective background – problem Figure 4. Reflective background – solution
Figure 5. Object beyond cutoff – problem Figure 6. Object beyond cutoff – solution
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3ENSING
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QS30FF
R1
R2
E
R1 = Near Detector
R2 = Far Detector
E = Emitter
Core of
Emitted
Beam
Reflective
Background
Fixed Sensing
Field
Strong
Direct
Reflection
Away
From Sensor
Cutoff
Distance
A reflective background object in this position or
moving across the sensor face in this axis and
direction may cause false sensor response.
A reflective background object in this position or
moving across the sensor face in this axis will be
ignored.
WORLD-BEAM® QS30 DC Voltage
4 P/N 119165 rev. A
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Specifications
Supply Voltage 10 to 30V dc (10% maximum ripple) at less than 40 mA, exclusive of load;
Protected against reverse polarity and transient voltages
Output Configuration
Bipolar: One current sourcing and one current sinking
Rating: 100 mA maximum each output at 25°C
Off-state leakage current: NPN: less than 200 µA
PNP: less than 10 µA
ON-state saturation voltage: NPN: less than 1.6V @ 100 mA
PNP: less than 2.0V @ 100 mA
Protected against false pulse on power-up and continuous overload or short circuit of outputs
Output Response
Opposed Mode: 5 milliseconds ON and OFF
All others: 2 milliseconds
NOTE: 100 millisecond delay on power-up; outputs do not conduct during this time
Repeatability Opposed Mode: not applicable
All others: 500 microseconds
Cutoff Point Tolerance Fixed-Field only: ± 5% of nominal cutoff distance
Adjustments
Selectable Light/Dark Operate is achieved via the gray wire.
Opposed, Retroreflective, and Polarized Retroreflective models:
Light Operate - Low (0 to 3V)*
Dark Operate - High (open or 5 to 30V)*
Diffuse and Fixed-Field models:
Light Operate - High (open or 5 to 30V)*
Dark Operate - Low (0 to 3V)*
Diffuse, Retroreflective, and Polarized Retroreflective mode models (only):
Single-turn Sensitivity (Gain) adjustment potentiometer
* Input impedance 10 kΩ
Indicators
2 LED indicators on sensor top:
Green ON steady: Power ON Yellow ON steady: Light sensed
Green flashing: Output overloaded (except receivers) Yellow flashing: Marginal excess gain
(1.0 to 1.5x excess gain)
Large oval LED indicator on sensor back (except emitters):
Yellow ON steady: Output conducting
Construction ABS housing, rated IEC IP67; NEMA 6; Acrylic lens cover
3 mm mounting hardware included
Connections 2 m (6.5') or 9 m (30') 5-wire PVC cable or 5-pin Euro-style integral QD connector
Operating Conditions Temperature: -20° to +70° C (-4° to +158° F)
Relative Humidity: 90% @ 50° C (non-condensing)
Vibration and Mechanical
Shock
All models meet Mil. Std. 202F requirements method 201A (vibration: 10 to 60 Hz max., double amplitude 0.06",
maximum acceleration 10G). Also meets IEC 947-5-2; 30G 11 ms duration, half sine wave.
Application Tip for the
QS30LV Model For best sensing reliability, targets should be a minimum of 0.5m from the sensor.
Certifications Approvals in process
P/N 119165 rev. A 5
WORLD-BEAM® QS30 DC Voltage
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Excess Gain
Performance based on use of a 90% reflectance white test card.
Fixed-Field – 200 mm
ø 10 mm spot size @ 160 mm focus
ø 7 mm spot size @ 200 mm cutoff
Using 18% gray test card:
performance will be 95% of values
shown.
Using 6% black test card:
performance will be 90% of values
shown.
Fixed-Field – 400 mm
ø 10 mm spot size @ 160 mm focus
ø 10 mm spot size @ 400 mm cutoff
Using 18% gray test card:
performance will be 90% of values
shown.
Using 6% black test card:
performance will be 85% of values
shown.
Fixed-Field – 600 mm
ø 10 mm spot size @ 160 mm focus
ø 15 mm spot size @ 600 mm cutoff
Using 18% gray test card:
performance will be 85% of values
shown.
Using 6% black test card:
performance will be 75% of values
shown.
Performance Curves
Excess Gain Beam Pattern
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WORLD-BEAM® QS30 DC Voltage
6 P/N 119165 rev. A
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
bn
bu
wh
bk
gy
+10 - 30V dc
Load
Load
LO/DO Select
bn
bu
wh
bk
+10 - 30V dc
Load
Load
gy LO/DO Select
Dimensions
Hookups
33.0 mm
(1.30")
16.0 mm
(0.63")
44.0 mm
(1.73")
1.3 mm
(0.05")
22.0 mm
(0.87")
13.0 mm
(0.51")
5.0 mm
(0.20")
35.0 mm
(1.38")
2 x ø3.3 mm (0.125")
max. torque
0.7 Nm (6 in lbs)
M30 x 1.5 Thread
max. torque
6 Nm (53 in lbs)
with included 30 mm
mounting nut
Yellow LED
Output
Indicator
Yellow and Green LEDs
12.5 mm
(0.47")
QD ModelsCabled Models
Other Cabled Models
Other QD Models
Quick-Disconnect Cables
Style Model Length Dimensions Pin-Out
5-pin
Euro-style
straight
MQDC1-506
MQDC1-515
MQDC1-530
2 m (6.5')
5 m (15')
9 m (30')
5-pin
Euro-style
right-angle
MQDC1-506RA
MQDC1-515RA
MQDC1-530RA
2 m (6.5')
5 m (15')
9 m (30')
White Wire
Blue Wire
Black Wire
Brown Wire
Gray Wire
M12 x 1
ø 15 mm
(0.6")
44 mm max.
(1.7")
38 mm max.
(1.5")
M12 x 1
ø 15 mm
(0.6")
38 mm max.
(1.5")
Accessories
Cabled Emitters
QD Emitters
bn
bu -
+
10-30V dc
bn
bu
wh
bk
+10 - 30V dc
No Connection
gy
P/N 119165 rev. A 7
WORLD-BEAM® QS30 DC Voltage
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Accessory Brackets
SMBQS30L
14-gauge, stainless steel right-angle
bracket for cable models
Clearance for M4 (#8) hardware
± 12° tilt adjustment
SMBQS30LT
14-gauge stainless steel for QD models with
right-angle cables
Tall right-angle mounting bracket
• ± 8° tilt adjustment
SMBQS30Y
Heavy-duty die-cast bracket
M18 vertical mounting option
± 8° tilt adjustment with cabled units
Nuts and lockwasher included
SMBQS30YL
Die-cast bracket with replaceable acrylic
window to protect sensor from weld flash
Designed for use with long-range opposed-
mode (EX/RX) sensors
Not recommended for diffuse-mode sensors;
call factory for suitability with other models
64.4mm
[2.54"]
1.9mm
[0.07"]
4.5mm
[0.18"]
24.0mm
[0.95"]
11.0mm
[0.43"]
ø4.3mm
[ø0.17"]
44.0mm
[1.73"]
22.0mm
[0.87"]
24°
R35.0mm
[R1.38"]
59.4mm
[2.4"]
R33.0mm
[R1.3"]
20°
33.0mm
[1.3"]
4.5mm
[0.18"]
24.0mm
[0.95"]
11.0mm
[0.43"]
ø4.3mm
[ø0.17"]
44.0mm
[1.73"]
R35.0mm
[R1.38"]
1.9mm
[0.07"]
22.0mm
[0.87"]
16°
R1.7mm
[R0.07"]
R33.0mm
[R1.3"]
91.4mm
[3.60"] 86.4mm
[3.4"]
20°
16.35 mm
(0.64")
24.0 mm
(0.94")
35.0 mm
(1.38")
13.3 mm
(0.52")
26.5 mm
(1.04")
18.0 mm
(0.71")
56 mm
(2.20")
7.0 mm
(0.28")
33 mm
(1.30")
17.0 mm
(0.67")
M18 X 1
4 X Ø 3.3 mm
(0.13")
2 X R 33.0 mm
(1.30")
33 mm
(1.30")
33 mm
(1.30")
4x ø3.3 mm
(0.13")
M18 x 1-6g
23 mm
(0.91")
11.5 mm
(0.45")
27.5 mm
(1.08")
50.5 mm
(1.99")
16.4 mm
(0.64")
11 mm
(0.43")
56 mm
(2.20")
18 mm
(0.71")
32.6 mm
(1.28")
2x 8º
13.8 mm
(0.54")
2x 20º
7 mm (0.27")
18.0 mm
(0.71")
WORLD-BEAM® QS30 DC Voltage
8 P/N 119165 rev. A
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
SMB30SC
30 mm split clamp with swivel, black
reinforced thermoplastic polyester
Stainless steel hardware included
SMB30MM
30 mm, 11-gauge, stainless steel bracket
with curved mounting slots for versatility
and orientation
Clearance for M6 (1/4") hardware
SMB30A
30 mm 12-gauge, 304 stainless steel,
right-angle mounting bracket with a curved
mounting slot for versatility and orientation
Clearance for M6 (1/4") hardware
50.8 mm
(2.00")
58.7 mm
(2.31")
66.5 mm
(2.62")
30.0 mm
(1.18")
30 x 1.5 mm
internal thread
29.0 mm
(1.14")
12.7 mm
(0.50")
57.2 mm
(2.25")
57.2 mm
(2.25")
34.9 mm
(1.38")
ø 6.4 mm
(0.25" dia.)
ø 30.15 mm
(1.187" dia.)
25.4 mm
(1.00")
35.1 mm
(1.38")
25.4 mm
(1.00") ø 5.1 mm
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6.4 mm
(0.25")
25.4 mm
(1.00")
57.0 mm
(2.25")
69.9 mm
(2.75")
7.1 mm
.28 x 90 (2 Slots)
R 25.4 mm
(1.00")
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P/N 119165 rev. A 9
WORLD-BEAM® QS30 DC Voltage
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Apertures
Opposed-mode QS30 sensors may be fitted with apertures to narrow or shape the
sensor’s effective beam to more closely match the size or profile of the objects being
sensed. A common example is the use of “line” (or “slot”) type apertures to sense
thread.
NOTE: The use of apertures will reduce the sensing range (see table below).
Model Description
APQS30-040
Circular hole
1 mm (0.04") diameter – 6 each
APQS30-100 2.5 mm (0.10") diameter – 6 each
APQS30-200 5 mm (0.20") diameter – 6 each
APQS30-040H
Horizontal slot
1 x 12 mm (0.04" x 0.47") – 6 each
APQS30-100H 2.5 x 12 mm (0.10" x 0.47") – 6 each
APQS30-200H 5 x 12 mm (0.20" x 0.47") – 6 each
APQS30-040V
Vertical slot
1 x 17 mm (0.04" x 0.67") – 6 each
APQS30-100V 2.5 x 17 mm (0.10" x 0.67") – 6 each
APQS30-200V 5 x 17 mm (0.20" x 0.67") – 6 each
APQS30-DVHX2 Kit containing two of each aperture above – 18 total
Model
Maximum Range
Aperture on Both
Emitter and Receiver Aperture on Receiver Only
APQS30-040 0.5 m (1.5') 4.1 m (13.5')
APQS30-100 2.4 m (8') 14.3 m (47')
APQS30-200 11.6 m (38') 23.5 m (77')
APQS30-040H 7 m (23') 16.8 m (23')
APQS30-100H 16.5 m (54') 24.7 m (54')
APQS30-200H 28.7 m (94') 36.6 m (94')
APQS30-040V 7 m (23') 16.8 m (23')
APQS30-100V 16.5 m (54') 24.7 m (54')
APQS30-200V 28.7 m (94') 36.6 m (94')
Example: The QS30E/QS30R sensor pair is used with apertures APQS30-040. Using
the circular aperture on only the receiver, the range reduces to 4.1 m. When the
APQS30-040 aperture is installed on both the receiver and emitter, the sensor range
reduces to 0.5 m.
Reduced Range for QS30E and QS30R Pair with Apertures
Aperture model
APQS30-040V
shown
Banner Engineering Corp., 9714 Tenth Ave. No., Minneapolis, MN USA 55441 • Phone: 763.544.3164 • www.bannerengineering.com • Email: sensors@bannerengineering.com
WORLD BEAM® QS30 DC Voltage
P/N 119165 rev. A
WARRANTY: Banner Engineering Corp. warrants its products to be free from defects for
one year. Banner Engineering Corp. will repair or replace, free of charge, any product of its
manufacture found to be defective at the time it is returned to the factory during the warranty
period. This warranty does not cover damage or liability for the improper application of
Banner products. This warranty is in lieu of any other warranty either expressed or implied.
Retroreflective Targets
See the Accessories section of your current Banner
Photoelectric Sensors catalog for complete information.
NOTE: Polarized sensors require corner cube type
retroreflective targets only.