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EZ-BEAM(R) M18 Series Sensors
Stainless Steel 18 mm Barrel-style DC Photoelectric Sensors
EZ-BEAM M18 Series Features
* 18 mm threaded-barrel sensor * 10 to 30V dc; choose SPDT (complementary) NPN or PNP outputs (150 mA max. ea.) * Easy to use; no adjustments are necessary * Advanced self-diagnostics with separate alarm output; dual LED system indicates sensor performance * Choice of integral cable or Euro-style quick disconnect connector * Epoxy-encapsulated circuitry; IEC IP67 (NEMA 6P) construction for harsh sensing environments * Brackets available for a wide array of mounting options
U.S. patent 5087838 (see Specifications, page 5)
EZ-BEAM M18 Series Sensing Mode Options
Opposed
Retroreflective
Diffuse
Fixed-Field
Infrared, 950 nm
M18 Series Opposed-Mode Emitter (E) and Receiver (R)
Models
M186E M186EQ M18SN6R M18SN6RQ M18SP6R M18SP6RQ 20 m (66')
Range
Cable*
2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD
Supply Voltage
Output Type
1000
Excess Gain
M18 Series
Beam Width
Effective Beam: 13 mm
1500 mm 1000 mm 500 mm 0
--
E X C E S S G A I N
M18 Series
Opposed Mode
100
Opposed Mode
60 in 40 in 20 in 0 20 in 40 in 60 in
10-30V dc
NPN
10
500 mm 1000 mm 1500 mm
PNP
1 .1 m .33 ft
1m 3.3 ft
10 m 33 ft
100 m 330 ft
0
5m 16 ft
10 m 32 ft
15 m 49 ft
20 m 66 ft
25 m 82 ft
DISTANCE
DISTANCE
* 9 m (30') cables are available by adding suffix "W/30" to the model number of any cabled sensor (e.g., M18SN6R W/30). A model with a QD connector requires an optional mating cable. See page 6 for more information.
Printed in USA
P/N 49201E9A
EZ-BEAM M18 Series Sensors
Non-Polarized, Polarized
P
M18 Series Retroreflective Mode
Models Range Cable Supply Voltage Output Type
1000
Excess Gain
M18 Series
Beam Pattern
Non-Polarized (Infrared, 950 nm)
M18SN6L M18SN6LQ 2m (79") M18SP6L M18SP6LQ 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
E X C E S S
120 mm
M18 Series
Non-Polarized Retro
4.7 in 3.2 in 1.6 in
100
Non-Polarized Retro
80 mm 40 mm
with BRT-3 Reflector 10
0 40 mm
with BRT-3 Reflector
0 1.6 in 3.2 in 4.7 in
G A I N
80 mm 120 mm 0 .5 m 1.6 ft 1.0 m 3.2 ft 1.5 m 4.8 ft 2.0 m 6.4 ft
1 .01 m .033 ft
2.5 m 8.0 ft
.1 m .33 ft
1m 3.3 ft
10 m 33 ft
DISTANCE
DISTANCE
Polarized (Visible red, 680 nm)
M18SN6LP M18SN6LPQ 2m (79") M18SP6LP M18SP6LPQ 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
E X C E S S
1000
M18 Series
150 mm
M18 Series
Polarized Retro
6 in 4 in 2 in
100
Polarized Retro
100 mm 50 mm 0 with BRT-3 Reflector
0 2 in 4 in 6 in
with BRT-3 Reflector 10
50 mm 100 mm 150 mm 0 .5 m 1.6 ft 1.0 m 3.2 ft 1.5 m 4.8 ft 2.0 m 6.4 ft
G A I N
1 .01 m .033 ft
2.5 m 8.0 ft
.1 m .33 ft
1m 3.3 ft
10 m 33 ft
DISTANCE
DISTANCE
Infrared, 880 nm
M18 Series Diffuse Mode
Models Range Cable Supply Voltage Output Type
1000
Excess Gain
Beam Pattern
Performance based on 90% reflectance white test card
M18 Series
100 mm Range
M18SN6D M18SN6DQ 100 mm (4") M18SP6D M18SP6DQ 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
E X C E S S
15 mm
M18 Series
Short Range Diffuse
0.6 in 0.4 in 0.2 in 0 0.2 in 0.4 in 0.6 in
100
Short Range Diffuse Mode Maximum Gain
10 mm 5 mm 0 5 mm
G A I N
10 Minimum Gain 1 1 mm .04 in
10 mm 15 mm 0 25 mm 1 in 50 mm 2 in
10 mm .4 in
100 mm 4 in
1000 mm 40 in
75 mm 100 mm 125 mm 3 in 4 in 5 in
DISTANCE
DISTANCE
300 mm Range
M18SN6DL M18SN6DLQ 300 mm (12") M18SP6DL M18SP6DLQ 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
E X C E S S
1000
M18 Series
15 mm
M18 Series
Long Range Diffuse 0.6 in 0.4 in 0.2 in 0 0.2 in 0.4 in 0.6 in 0 80 mm 160 mm 240 mm 320 mm 400 mm 15 in 3 in 6 in 9 in 12 in 10 mm 5 mm 0
100
Maximum Gain
Long Range Diffuse Mode
G A I N
10 Minimum Gain 1 1 mm .04 in
5 mm 10 mm 15 mm
10 mm .4 in
100 mm 4 in
1000 mm 40 in
DISTANCE
DISTANCE
page 2
Banner Engineering Corp. * Minneapolis, U.S.A. Website: http://www.baneng.com * Tel: 888.373.6767
EZ-BEAM M18 Series Sensors
Infrared, 880 nm
M18 Series Fixed-Field Mode
Models Cutoff Point Cable Supply Voltage Output Type Excess Gain
Performance based on 90% reflectance white test card
1000
With 25 mm Far Limit Cutoff
M18SN6FF25 M18SN6FF25Q 25 mm (1") M18SP6FF25 M18SP6FF25Q 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
M18 Series
E X C E S S G A I N
100
Fixed-field mode with 25 mm far limit cutoff
10
1 .1 mm .004 in
1 mm .04 in
10 mm .4 in
100 mm 4 in
DISTANCE
With 50 mm Far Limit Cutoff
M18SN6FF50 M18SN6FF50Q 50 mm (2") M18SP6FF50 M18SP6FF50Q 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
1000
M18 Series
E X C E S S G A I N
100
Fixed-field mode with 50 mm far limit cutoff
10
1 .1 mm .004 in
1 mm .04 in
10 mm .4 in
100 mm 4 in
DISTANCE
With 100 mm Far Limit Cutoff
M18SN6FF100 M18SN6FF100Q 100 mm (4") M18SP6FF100 M18SP6FF100Q 2 m (6.5') 4-Pin Euro-style QD 2 m (6.5') 4-Pin Euro-style QD 10-30V dc PNP NPN
1000
M18 Series
E X C E S S G A I N
100
Fixed-field mode with 100 mm far limit cutoff
10
1 .1 mm .004 in
1 mm .04 in
10 mm .4 in
100 mm 4 in
DISTANCE
* 9 m (30') cables are available by adding suffix "W/30" to the model number of any cabled sensor (e.g., M18SN6FF25 W/30). A model with a QD connector requires an optional mating cable. See page 6 for more information.
The excess gain curves above show excess gain vs. sensing distance for M18 Series fixed-field sensors with 25-, 50- and 100-millimeter cutoffs. Maximum excess gain for the 25-mm models occurs at a lens-to-object distance of about 7 mm; for the 50-mm models, at about 10 mm; and for the 100-mm models, at about 20 mm. Sensing at or near these distances will make maximum use of each sensor's available sensing power. Backgrounds and background objects must always be placed beyond the cutoff distance. These excess gain curves were generated using a white test card of 90% reflectance.
Banner Engineering Corp. * Minneapolis, U.S.A. Website: http://www.baneng.com * Tel: 888.373.6767
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. The effects of object reflectivity on cutoff distance, though small, may be important for some applications. Sensing of objects of less than 90% reflectivity causes the cutoff distances to be "pulled" slightly closer to the sensor. For example, an excess gain of 1 for an object that reflects 1/10 as much light as the 90% white card is represented by the heavy horizontal
graph line at excess gain = 10. An object of this reflectivity results in far limit cutoffs of approximately 20, 40 and 70 mm (for 25-, 50- and 100-mm cutoff models, respectively). Objects with reflectivity greater than 90% return more light to the sensor. For this reason, highly reflective backgrounds or background objects such as mirrors, polished metal, and other sources of specular reflections require special consideration. If it is necessary to use a highly reflective background, it should be placed as far beyond the cutoff distance as possible and angled to direct reflected light away from the sensor (see page 4).
page 3
EZ-BEAM M18 Series Sensors
EZ-BEAM M18 Series Fixed-Field Sensor Setup Tips
General For highest sensitivity, the sensor-to-object distance should be such that the object will be sensed at or near the point of maximum excess gain (see page 3). The background must be placed beyond the cutoff distance. Following these two guidelines makes it possible to detect objects of low reflectivity, even against close-in reflective backgrounds. In the drawings and discussion on this page, 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. In Figures 2, 3, and 4, these elements align vertically; in Figure 5, they align horizontally. Note how the position of the tabs on the front of the sensor helps to define the sensing axis of the sensor (Figure 1, right). The sensing axis becomes important in situations like those illustrated in Figures 4 and 5 below. 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 (R1) than to the far detector (R2). The result is a false ON condition (Figure 2). Use of a diffusely-reflective (matte) background will cure this problem. Other possible solutions are to either angle the sensor or angle the background (in any plane) so that the background does not reflect back to the sensor (see Figure 3). An object beyond the cutoff distance, either moving or stationary (and when positioned as shown in Figure 4), can cause unwanted triggering of the sensor because it reflects more light to the near detector than to the far detector. Remedy the problem easily by rotating the sensor 90 (Figure 5) to align the sensing axis horizontally. 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. Unwanted triggering of the sensor from an object beyond the cutoff can also be caused by attempting to sense a small object moving perpendicular to the sensor face, or by an object moving through the off-center position shown in Figure 4. Making the object larger, centering the sensor relative to the object, or rotating the sensor to place the sensing axis perpendicular to the longer dimension of the object (Figure 5) will solve the problem.
Sensing Axis
E R2 R1
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 1. Sensing axis
Fixed Sensing Field M18FF Sensor E R2 R1 E = Emitter R1 = Near Detector R2 = Far Detector Core of Emitted Beam Strong Direct Reflection to R1
Cutoff Distance
Reflective Background
Figure 2. Reflective background - problem
Fixed Sensing Field M18FF Sensor E R2 R1 E = Emitter R1 = Near Detector R2 = Far Detector Core of Emitted Beam
Cutoff Distance Reflective Background
Fixed Sensing Field Cutoff Distance
Reflective Background or Moving Object M18FF Sensor
Fixed Sensing Field
Strong Direct Reflection Away From Sensor
Cutoff Distance Reflective Background or Moving Object
M18FF Sensor E R2 R1
Figure 3. Reflective background - solution
E, R2, R1
R2 Response E = Emitter R1 Response R1 = Near Detector R2 = Far Detector Area of R1 Response Area of R2 Response Area of R1 and R2 Response
E = Emitter R1 = Near Detector R2 = Far Detector Area of R1 and R2 Response
Figure 4. Object beyond cutoff - problem
page
Figure 5. Object beyond cutoff - solution
Banner Engineering Corp. * Minneapolis, U.S.A. Website: http://www.baneng.com * Tel: 888.373.6767
4
EZ-BEAM M18 Series Sensors
EZ-BEAM M18 Series Specifications
Supply Voltage and Current Opposed Mode Emitters: Opposed Mode Receivers: Polarized Retro: Non-polarized Retro: Fixed-field: Diffuse: Supply Protection Circuitry Output Configuration 10 to 30V dc (10% maximum ripple); Supply current (exclusive of load current): 25 mA 20 mA 30 mA 25 mA 35 mA 25 mA Protected against reverse polarity and transient voltages SPDT (complementary) solid-state dc switch; choose NPN (current sinking) or PNP (current sourcing) models. Light operate: N.O. output conducts when the sensor sees its own (or the emitter's) modulated light Dark operate: N.C. output conducts when the sensor sees dark; the N.C. (normally closed) output may be wired as a normally open alarm output, depending upon hookup to the power supply (U.S. patent 5087838)
Output Rating
150 mA maximum (each) in standard hookup; When wired for alarm output, the total load may not exceed 150 mA; Off-state leakage current < 1 microamp at 30V dc; On-state saturation voltage < 1V at 10 mA dc; < 1.5V at 150 mA dc Protected against false pulse on power-up and continuous overload or short circuit of outputs Opposed: 3 milliseconds ON, 1.5 milliseconds OFF; Polarized Retro, Non-Polarized Retro, Fixed-field and Diffuse: 3 milliseconds ON and OFF NOTE: 100 millisecond delay on power-up; outputs do not conduct during this time Opposed mode: 375 microseconds; Polarized Retro, Non-Polarized Retro, Fixed-field and Diffuse modes: 750 microseconds; Repeatability and response are independent of signal strength Two LEDs: Green and Yellow Green glowing steadily Green flashing Yellow glowing steadily Yellow flashing power to sensor is ON output is overloaded normally open output is conducting excess gain marginal (1-1.5x) in light condition
Output Protection Circuitry Output Response Time
Repeatability Indicators
Construction Environmental Rating Connections Operating Conditions Vibration and Mechanical Shock
Housings are Stainless Steel; Lenses are Lexan(R) (opposed models) or acrylic Rated NEMA 6P (IEC IP67) 2 m (6.5') or 9 m (30') attached cable, or 4-pin Euro-style quick disconnect fitting Temperature: -40 to +70C (-40 to 158F) Maximum relative humidity: 90% at 50C (non-condensing) All models meet Mil. Std. 202F requirements. Method 201A (Vibration; frequency 10 to 60 Hz, max., double amplitude 0.06" acceleration 10G). Method 213B conditions H&I (Shock: 75G with unit operating; 100G for non-operation)
Banner Engineering Corp. * Minneapolis, U.S.A. Website: http://www.baneng.com * Tel: 888.373.6767
page
5
EZ-BEAM M18 Series Sensors
EZ-BEAM M18 Series Dimensions
Models with Attached Cable
Yellow LED Output Indicator 2m (6.5') Cable Green LED Power Indicator 37.0 mm (1.46") Jam Nuts (2 Provided) 18 x 1 mm Thread
Models with Quick-Disconnect
Yellow LED Output Indicator Green LED Power Indicator
59.2 mm* (2.33")
78.0 mm* (3.07")
* Polarized retroreflective and fixed-field cabled models = 65.0 mm (2.56")
* Polarized retroreflective and fixed-field QD models = 83.8 mm (3.30")
EZ-BEAM M18 Series Hookups
Sensors with NPN (Sinking) Outputs Standard Hookup
bu bn bk wh 10-30V dc +
Load Load
Sensors with PNP (Sourcing) Outputs Standard Hookup
bn bu bk wh + 10-30V dc
Emitters with Attached Cable
-
bn bu
-
Load Load
+ 10-30V dc
-
Alarm Hookup
bn bu bk wh 10-30V dc +
Load Alarm
Alarm Hookup
bu bn bk wh + 10-30V dc
DC Emitters with Quick Disconnect
(No connection to bk and wh wires of QD cable.) bn bu bk wh + 10-30V dc
-
-
Load Alarm
NOTE: hookups are the same for either an integral or QD cable.
Quick-disconnect (QD) Cables
Style Model
MQDC-406 MQDC-415 MQDC-430 MQDC-406RA MQDC-415RA MQDC-430RA
Length
2 m (6.5') 5 m (15') 9 m (30') 2 m (6.5') 5 m (15') 9 m (30')
Connector
Straight Straight Straight Right-Angle Right-Angle Right-Angle
Pin Out
White Wire Brown Wire Blue Wire Black Wire
4-Pin Euro-style
page
6
Banner Engineering Corp. * Minneapolis, U.S.A. Website: http://www.baneng.com * Tel: 888.373.6767
EZ-BEAM M18 Series Sensors
Mounting Brackets
SMB18A * * 11-gauge stainless steel Right-angle bracket with a curved mounting slot for versatility and orientation
18.5 mm (0.73")
SMB18C
* *
18 mm split clamp, black thermoplastic polyester Stainless steel mounting hardware included
40.0 mm (1.60")
13 mm (0.5")
30 30 mm (1.2")
25.4 mm (1.00") 41 mm (1.6")
42.4 mm (1.67")
21.1 mm (0.83") Nut Plate M5 x 0.8 x 60 mm Screw (2)
R 24.2 mm (0.95") 4.6 mm* (0.18") o 4.6 mm* (0.18") 7.6 mm (0.30")
46 mm (1.8")
* Use 4 mm (#8) screws to mount bracket. Drill screw holes 24.2 mm (0.95") apart.
14.0 mm (0.55") 30.0 mm (1.18")
2.5 mm (0.10")
Clearance for M4 (#8) hardware
SMB18SF
* 18 mm swivel bracket * Black thermoplastic polyester
SMB18UR
* 2-piece universal swivel bracket for 18 mm sensors * 300 series stainless steel
36.0 mm (1.42") M18 x 1 internal thread 42.0 mm (1.65") 10.6 mm (0.42")
16.0 mm (0.63 ") SMB18UR Top o18.3 mm (0.72")
22.9 mm (0.9")
66.0 mm (2.60") 27.2 mm (1.07") 50.8 mm (2.0") 60 2.7 mm (0.10") 45.2 mm (1.78")
50.8 mm (2.00")
25.4 mm (1.00")
SMB30SK
* Flat-mount swivel bracket with extended range of motion * Black reinforced thermoplastic polyester and 316 stainless steel
20.8 mm (0.82") 41.7 mm (1.64")
o20.3 mm (0.80") o30.5 mm (1.20") R2.5 mm (0.10")
60
24.6 mm (0.97") SMB18UR Bottom 60
18 mm Clearance
46.7 mm (1.84") 25.4 mm (1.00")
9.7 mm (0.38") 4X 6.9 mm (0.27")
50.8 mm (2.00") 66.5 mm (2.62") 78.0 mm (3.07")
41.7 mm (1.64") 8.1 mm (0.32")
20.3 mm (0.80") 20.3 mm (0.80") o30.5 mm (1.20") 6X #10-32 Thru
20.8 mm (0.82")
25.4 mm (1.00")
33.8 mm (1.33")
56.7 mm (2.31") Assembled
63.5 mm (2.50")
68.0 mm (2.68")
29.0 mm (1.14")
71.1 mm (2.80")
2.7 mm (0.10")
Banner Engineering Corp. * Minneapolis, U.S.A. Website: http://www.baneng.com * Tel: 888.373.6767
page
7
EZ-BEAM M18 Series Sensors
Aperture Kits for M18 Series Opposed-Mode Sensors
Aperture kits are available for M18 Series opposed-mode sensors. Apertures are used to narrow and/or shape the sensor's effective beam for use in specialized applications.
Model
Description
NOTE: Aperture adds 3/16" to sensor length. Aperture styles available
AP18SC
Kit includes round apertures of: 0.5 mm (0.02"), 1.0 mm (0.04") & 2.5 mm (0.10") in diameter
Round
Rectangular
Aperture (Rectangular type shown) Lens
AP18SR
Kit includes rectangular apertures of: 0.5 mm (0.02"), 1.0 mm (0.04") & 2.5 mm (0.10") wide Each kit also includes a thread-on (R) aperture housing, a Teflon FEP lens and two 0-rings
Housing
O-ring (2)
22.4 mm (0.88") Outside Diameter
12.7 mm (0.50")
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.
!
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.
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.
Banner Engineering Corp., 9714 Tenth Ave. No., Minneapolis, MN 55441 * Phone: 888.373.6767 * www.baneng.com * Email: sensors@baneng.com

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