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MINI-BEAM(R) SM31E/SM31R and SM31EL/SM31RL
Self-contained DC-operated Opposed Mode Sensors
* Compact, self-contained opposed mode modulated infrared sensor pairs for 10-30V dc operation * Standard sensor pairs have 3 m (10 ft) range * Long range sensor pairs have 30 m (100 ft) range * Switch-selectable for light operate or dark operate; Highly repeatable, 1 millisecond response * Both sourcing and sinking outputs (150 mA maximum ea.) * Receivers include Banner's exclusive AIDTM alignment system, US patent number 4356393 * Rugged, epoxy-encapsulated construction: meets NEMA standards 1, 2, 3, 3S, 4, 4X, 6, 12 and 13, IEC IP67 * Physically and electrically interchangeable with 18 mm barrel-type photoelectrics
Infrared, 880 nm
MINI-BEAM Opposed-Mode Emitter (E) and Receiver (R) Models
Models Range Cable* Supply Voltage Output Type
1000
Excess Gain
E X C E S S G A I N
SM31E & SM31R
300 mm 100 Opposed Mode 200 mm 100 mm 0 10 100 mm 200 mm 300 mm 1 .01 m .033 ft 0 .10 m .33 ft 1.0 m 3.3 ft 10 m 33 ft
Beam Pattern
SM31E & SM31R
Opposed Mode
12.0 in 8.0 in 4.0 in 0 4.0 in 8.0 in 12.0 in
SM31E SM31R SM31EQD SM31RQD
3m (10')
2 m (6.5') 2 m (6.5') 4-Pin Euro QD 4-Pin Euro QD
10-30V dc
Bipolar NPN/PNP
.6 m 2 ft
1.2 m 4 ft
1.8 m 6 ft
2.4 m 8 ft
3.0 m 10 ft
DISTANCE
DISTANCE
1000
SM31EL & SM31RL
750 mm Opposed Mode 500 mm 250 mm 0 250 mm
SM31EL SM31RL SM31ELQD SM31RLQD
30 m (100')
2 m (6.5') 2 m (6.5') 4-Pin Euro QD 4-Pin Euro QD
10-30V dc
Bipolar NPN/PNP
E X C E S S G A I N
SM31EL & SM31RL
Opposed Mode
30.0 in 20.0 in 10.0 in 0 10.0 in 20.0 in 30.0 in
100
10
500 mm 750 mm 0 1.0 m 3.3 ft 10 m 33 ft 100 m 330 ft 6m 20 ft 12 m 40 ft 18 m 60 ft 24 m 80 ft
1 .1 m .33 ft
30 m 100ft
DISTANCE
DISTANCE
*NOTES: i) 9 m (30') cables are available by adding suffix "W/30" to the model number of any cabled sensor (e.g., SM31EL W/30). ii) A 150 mm (6") long pigtail cable with attached QD connector is available by adding suffix "QDP" to the model number of any MINI-BEAM sensor (e.g., SM31ELQDP). See page 5 for more information. iii) A model with a QD connector requires an accessory mating cable. See page 8 for more information. iv) Emitters and receivers may be ordered with 0.3 millisecond on/off response by adding suffix "MHS" to the model numbers (e.g., SM31EMHS & SM31RMHS). This modification reduces sensing range (and excess gain).
Printed in USA
05/01
P/N 03560 rev. C
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
MINI-BEAM Installation and Alignment
Proper operation of the sensors requires that they be mounted securely and aligned properly. Excessive movement or vibration can cause intermittent or false operation due to loss of alignment. For maximum mechanical stability, final-mount these sensors in 18-mm holes by their threaded barrels or use a mounting bracket (see page 6). 1) Begin with the emitter mounted securely in place. For small-parts counting applications, stretch a string between the emitter and receiver lenses to ensure that the sensing beam will pass through the center of the sensing location. For less critical applications, the receiver may be initially positioned by line-of-sight placement. Mount the receiver, leaving a means for movement. 2) Apply power to the emitter and receiver, and advance the receiver's 15-turn GAIN control to maximum (clockwise end of rotation). The GAIN control is clutched at both ends to avoid damage, and will "free-wheel" when either endpoint is reached. If the receiver is "seeing" the emitter's light beam, the receiver alignment LED should be "on". Move the receiver up-down-right-left (include angular rotation) to obtain the fastest receiver LED pulse rate. If a pulse is not observable (too fast to count), reduce the GAIN control (counterclockwise rotation) to obtain a countable pulse rate of one to five beats per second. Note: to aid alignment at short ranges, it may help to further reduce the strength of the light signal by temporarily masking the emitter and/or receiver lens with tape or a sheet of paper. 3) Repeat the alignment motions after each GAIN reduction. When you have found the receiver orientation that produces the fastest pulse rate, mount the receiver solidly in that position. Remove any masking material, and increase the receiver GAIN to maximum. Test the system by placing the object to be detected into the sensing position. The receiver LED indicator should go "off". If it does not go "off", the cause is probably either "flooding" or "burn-through". Flooding occurs when a portion of the effective beam passes around the object to be sensed and activates the receiver. Check that the object completely breaks the beam, and that the beam is centered on the object. Add apertures, if necessary, to tailor the effective beam to the size or profile of the object being sensed. Burn-through refers to a portion of the emitter's light energy passing through a thin or translucent object and activating the receiver. Try sensing at a reduced GAIN setting or consider an alternative sensing scheme.
Opposed Mode Alignment
Move receiver to obtain the fastest LED pulse rate.
Receiver Emitter
Up t gh Ri
ft Le wn Do
Receiver
15 Turn Gain Adjustment and Light/Dark Operate Switch* Gasketed Acrylic Cover
"AID" Indicator LED lights when the sensor sees the reflection of its own modulated light and pulses at a rate proportional to the strength of the received light signal
* Note regarding Light/Dark operate switch: * Turn switch fully clockwise for light operate (sensor outputs conduct when sensing light is received) * Turn switch fully counterclockwise for dark operate (sensor outputs conduct when sensing light is not received)
Banner Engineering Corp. * Minneapolis, U.S.A. page 2
www.bannerengineering.com * Tel: 763.544.3164
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
MINI-BEAM DC Sensor Specifications
Supply Voltage and Current Supply Protection Circuitry Output Configuration Output Rating 10 to 30V dc (10% maximum ripple) at less than 25 mA (exclusive of load) Protected against reverse polarity and transient voltages Bipolar: One current sourcing (PNP) and one current sinking (NPN) open-collector transistor 150mA maximum each output at 25C, derated to 100 mA at 70C (derate 1 mA per C) Off-state leakage current less than 1 microamp Output saturation voltage (PNP output) less than 1 volt at 10 mA and less than 2 volts at 150 mA Output saturation voltage (NPN output) less than 200 millivolts at 10 mA and less than 1 volt at 150 mA Protected against false pulse on power-up and continuous overload or short-circuit of outputs Sensors will respond to either a "light" or a "dark" signal of 1 millisecond or longer duration, 500 Hz max. 0.3 millisecond response modification is available. See note below. (100 millisecond delay on power-up; outputs do not conduct during this time.) NOTE: DC MINI-BEAMs may be ordered with 0.3 millisecond on/off response by adding suffix "MHS" to the model numbers (e.g, SM31EMHS & SM31RMHS). This modification reduces sensing range (and excess gain). Adjustments LIGHT/DARK OPERATE select switch, and 15-turn slotted brass screw GAIN (sensitivity) adjustment potentiometer (clutched at both ends of travel). Both controls are located on rear panel of sensor and protected by a gasketed, clear acrylic cover. Exclusive, patented Alignment Indicating Device system (AIDTM, US patent #4356393) lights a rear-panel mounted red LED indicator whenever the sensor sees a "light" condition, with a superimposed pulse rate proportional to the light signal strength (the stronger the signal, the faster the pulse rate). Reinforced thermoplastic polyester housing, totally encapsulated, o-ring sealing, acrylic lenses, and stainless steel screws. Meets NEMA standards 1, 2, 3, 3S, 4, 4X, 6, 12, and 13; IEC IP67 PVC-jacketed 4-conductor 2 m (6.5') or 9 m (30') cables, or 4-pin Euro-style quick disconnect (QD) fitting are available. QD cables are ordered separately. See page 8. Temperature: -20 to +70C (-4 to +158F) Maximum relative humidity: 90% at 50C (non-condensing) The NPN (current sinking) output of dc MINI-BEAM sensors is directly compatible as an input to Banner logic modules, including all non-amplified MAXI-AMP and MICRO-AMP modules. MINI-BEAMs are TTL compatible.
Output Protection Circuitry Output Response Time
Indicators
Construction Environmental Rating Connections Operating Temperature Application Notes
Certifications
NOTE: DC MINI-BEAMs may be ordered with 0.3 millisecond on/off response by adding suffix "MHS" to the model numbers (e.g. - SM31EMHS & SM31RMHS). This modification reduces sensing range (and excess gain).
Banner Engineering Corp. * Minneapolis, U.S.A.
www.bannerengineering.com * Tel: 763.544.3164
page 3
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
MINI-BEAM DC Hookup Diagrams
Receivers with Attached Cable
bn bu wh bk
Load Load
Receivers with Quick Disconnect (4-Pin Euro-Style)
bn bu wh bk
Load Load
+ 10-30V dc -
+ 10-30V dc -
Emitters with Attached Cable
Emitter with Quick Disconnect (4-Pin Euro-Style)
bn bu wh bk + 10-30V dc -
bn bu
+ 10-30V dc -
4-Pin Euro-Style Pin-out
(Cable Connector Shown)
Brown Wire Black Wire
White Wire
Quick Disconnect (QD) Option
DC MINI-BEAM sensors are sold with either a 2 m (6.5') or a 9 m (30') attached PVC-covered cable, or with a 4-pin Euro-style QD cable fitting. DC QD sensors are identified by the letters "QD" in their model number suffix. For more information on mating QD cables, see page 8.
Blue Wire
MINI-BEAM Dimensions MINI-BEAM DC Sensor with Integral Cable
3.2 mm (0.13 in) 30.7 mm (1.21 in) 24.1 mm (0.95 in) 12.2 mm (0.48 in)
MINI-BEAM DC Sensor with Quick-Disconnect
o 3 mm Clearance (2) M18 x 1 x 15 mm Thread (Mounting Nut Supplied)
M12 x 1 Thread Quick Disconnect
2 m (6.5 ft) Cable Mounting Peg (o 6.3 mm x 2.5 mm) 19.1 mm (0.75 in)
20.0 mm (0.79 in)
27.4 mm (1.08 in) 53.3 mm (2.10 in)
Banner Engineering Corp. * Minneapolis, U.S.A. page 4
www.bannerengineering.com * Tel: 763.544.3164
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
MINI-BEAM Modifications
Model Suffix
W/30
Modification
9 meter (30') cable
Description
All MINI-BEAM sensors may be ordered with an integral 9 m (30') cable in place of the standard 2 m (6.5') cable Standard dc MINI-BEAM sensors with 1 millisecond output response may be modified for 0.3 millisecond (300 s) response. NOTE: Faster response comes at the expense of lower excess gain. Also, operating temperature range becomes -20 to +50C (-4 to +122F) All MINI-BEAMs may be built with a 150 mm (6") long integral cable which is terminated with the appropriate QD connector.
Example of Model Number
SM31E W/30 SM31EMHS NOTE: Emitter and receiver must both have MHS modification
MHS
Modified for High Speed
QDP
Pigtail Quick Disconnect
SM31EQDP
Apertures
Opposed mode MINI-BEAM sensors may be fitted with apertures which narrow or shape the effective beam of the sensor to more closely match the size or profile of the object to be sensed. A common example is the use of "line" or "slit" type aperture when wire or thread is be sensed. Each model contains 20 apertures.
Model
AP31-020 AP31-040 AP31-100 AP31-020H AP31-040H AP31-100H AP31-200H AP31-020V AP31-040V AP31-100V AP31-200V AP31-DVHX2 0.5 mm (0.02") diameter, circular 1.0 mm (0.04") diameter, circular 2.5 mm (0.10") diameter, circular
Description
0.5 x 6.4 mm (0.02" x 0.25"), horizontal slotted 1.0 x 6.4 mm (0.04" x 0.25"), horizontal slotted 2.5 x 6.4 mm (0.10" x 0.25"), horizontal slotted 5.1 x 6.4 mm (0.20" x 0.25"), horizontal slotted 0.5 x 12.7 mm (0.02" x 0.50"), vertical slotted 1.0 x 12.7 mm (0.04" x 0.50"), vertical slotted 2.5 x 12.7 mm (0.10" x 0.50"), vertical slotted 5.1 x 12.7 mm (0.20" x 0.50"), vertical slotted Kit containing two of each aperture
Replacement Lens Assemblies
MINI-BEAM lens assemblies are field-replaceable.
Right-Angle Reflectors
MINI-BEAM right-angle reflectors are useful for tight sensing locations. NOTE: These reflectors significantly decrease excess gain.
Model
Description
Model
RAR300SM
Description
* Side mount reflector * Profile dimension of 14 mm (0.56") in the direction of the scan * Front mount reflector that attaches directly to the threaded barrel of most MINI-BEAMs * Profile dimension of 34 mm (1.35") in the direction of the scan
UC-300E UC-300EL
Replacement lens for E/R Replacement lens for EL/RL or use for extending range of E/R
RAR300FM
Banner Engineering Corp. * Minneapolis, U.S.A.
www.bannerengineering.com * Tel: 763.544.3164
page 5
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
Mounting Brackets
Model
R 5.1 mm (0.20 in)
Description
R 24.1 mm (0.95 in) 10 (TYP) 4.32 mm (0.170 in) Slot (2)
15 (2) C 31.8 mm L (1.25 in) 20
20.3 mm (0.80 in)
SMB312S
Stainless steel 2-axis, side mounting bracket
o 3.05 mm (0.120 in)
o 3.05 mm Slot (0.120 in)
R 3.1 mm (0.12 in) (2)
90
20.1 mm (0.79 in)
2.5 mm (0.10 in)
45.5 mm (1.79 in)
R 5.1 mm (0.20 in)
R 24.1 mm (0.95 in)
15.2 mm (0.60 in)
15 (2) C 31.8 mm L (1.25 in) 20
SMB312PD
Stainless steel 18 mm barrelmounting bracket
o 4.6 mm (0.18 in)
o 4.6 mm Slot (0.18 in)
R 3.1 mm (0.12 in) (2) 18.42 mm (0.725 in)
90
40.6 mm (1.60 in)
2.5 mm (0.10 in)
45.5 mm (1.79 in)
4.3 mm Slot (2) (0.17 in) 24.1 mm (0.95 in)
90
10 (2) 10 (2) 9.1 mm (0.36 in)
SMB312B
Stainless steel 2-axis, bottom mounting bracket
2.5 mm (0.10 in)
3.1 mm Slot (2) (0.12 in)
8.6 mm (2) (0.34 in) 17.3 mm (2) (0.68 in) o 6.9 mm (0.27 in)
23.4 mm 11.4 mm (0.92 in) (0.45 in) 35.0 mm (2) (1.38 in) 50.8 mm (2.00 in) C L 6 mm (0.2 in) 6 mm (0.2 in) 5 mm (0.2 in) (2x) 15 mm (0.6 in) o36 mm (1.4 in) o6.5 mm (0.26 in) (6x) 16 mm (0.6 in)
8 mm (0.3 in)
SMB46L
* "L" bracket * 14 ga 316 stainless steel
65 mm (2.6 in)
54 mm (2.1 in)
2 mm (.1 in)
27 mm (1.1 in)
Banner Engineering Corp. * Minneapolis, U.S.A. page 6
www.bannerengineering.com * Tel: 763.544.3164
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
Mounting Brackets
Model Description
10 mm (0.4 in) 6 mm (0.2 in) 6 mm (0.2 in) C L 34 mm (1.3 in) 17 mm (0.7 in) 3.5 mm (0.14 in)
Dimensions
15 mm (0.6 in) o36 mm (1.4 in) o6.5 mm (0.26 in) (6x) 16 mm (0.6 in)
SMB46S
* "S" bracket * 14 ga 316 stainless steel
5 mm (0.2 in) (4x)
8 mm (0.3 in)
65 mm (2.6 in)
54 mm (2.1 in) 34 mm (1.3 in) 17 mm (0.7 in) C L
2 mm (.1 in)
27 mm (1.1 in)
16 mm (0.6 in)
13 mm (0.5 in) 6 mm (0.2 in) 15 mm (0.6 in)
3.5 mm (0.14 in)
SMB46U
* "U" bracket * 14 ga 316 stainless steel
6 mm (0.2 in) 5 mm (0.2 in) (4x)
8 mm (0.3 in)
16 mm (0.6 in)
o36 mm (1.4 in) o6.5 mm (0.26 in) (6x)
16 mm (0.6 in)
65 mm (2.6 in)
54 mm (2.1 in)
2 mm (.1 in)
27 mm (1.1 in)
70 mm (2.8 in)
40.0 mm (1.60 in)
SMB18C
* 18 mm split clamp black thermoplastic polyester bracket * Stainless steel mounting hardware included
13 mm (0.5 in)
42.4 mm (1.67 in)
21.1 mm (0.83 in) Nut Plate M5 x 0.8 x 60 mm Screw (2)
14.0 mm (0.55 in) 30.0 mm (1.18 in)
2.5 mm (0.10 in)
* 18 mm swivel bracket SMB18SF * Black thermoplastic polyester * Includes stainless steel swivel locking hardware
36.0 mm (1.42") M18 x 1 internal thread 42.0 mm (1.65") 10.6 mm (0.42")
22.9 mm (0.9")
50.8 mm (2.00")
25.4 mm (1.00")
Banner Engineering Corp. * Minneapolis, U.S.A.
www.bannerengineering.com * Tel: 763.544.3164
page 7
MINI-BEAM(R) Sensors SM31E/SM31R and SM31EL/SM31RL
Extension Cables (without connectors)
The following cables are available for extending the length of existing sensor cable. These are 30 m (100') lengths of MINI-BEAM cable. This cable may be spliced to existing cable. Connectors, if used, must be customer-supplied. Model EC312-100 EC312A-100
Type
4-conductor 2-conductor MINI-BEAM dc receivers MINI-BEAM emitters
Used with:
Euro-Style Quick-Disconnect Cables
Cable: PVC jacket, polyurethane connector body, nickel-plated brass coupling nut Conductors: 22 or 20 AWG high-flex stranded, PVC insulation, gold-plated contacts Temperature: -40 to +90C (-40 to +194F) Voltage Rating: 250V ac/300V dc
Style
Model
Length
Dimensions:
Pin-out
4-Pin Straight
MQDC-406 MQDC-415 MQDC-430
2 m (6.5') 5 m (15') 9 m (30')
o15 mm (0.6 in) 44 mm max. (1.7 in) M12 x 1 White Wire Brown Wire 38 mm max. (1.5 in) Blue Wire Black Wire
4-Pin Right-angle
MQDC-406RA MQDC-415RA MQDC-430RA
2 m (6.5') 5 m (15') 9 m (30')
M12 x 1 o15 mm (0.6 in)
38 mm max. (1.5 in)
!
WARNING . . .
Not To Be Used for Personnel Protection
Never use this product as a sensing device for personnel protection. Doing so could lead to serious injury or death.
This product 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. Consult your current Banner Safety Products catalog for safety products which meet OSHA, ANSI and IEC standards for personnel protection.
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: 763.544.3164 * www.bannerengineering.com * Email: sensors@bannerengineering.com

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