mini-beam sm312d self-contained dc-operated diffuse mode sensors printed in usa 05/01 p/n 03366 rev. d ? compact, modulated, self-contained diffuse proximity mode sensors for 10-30v dc operation range to 380 mm (15") (referenced to 90% reflectance white test card) switch-selectable for light operate or dark operate includes banner s exclusive aid alignment system* highly repeatable 1 millisecond response both sourcing and sinking outputs (150 ma max. each); continuous overload and short-circuit protected 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 *us patent number 4356393 mini-beam diffuse mode models 375 mm 15.0 in 300 mm 12.0 in 225 mm 9.0 in 150 mm 6.0 in 75 mm 3.0 in 0 0 5 mm 10 mm 15 mm 5 mm 10 mm 15 mm 0 0.2 in 0.4 in 0.6 in 0.2 in 0.4 in 0.6 in distance sm312d diffuse mode models range cable* supply voltage output type excess gain beam pattern sm312d sm312dqd 380 mm (15") 2 m (6.5') 4-pin euro qd 10-30v dc bipolar npn/pnp 1 10 100 10 mm .4 in 100 mm 4 in 1000 mm 40 in 1 mm .04 in 1000 e x c e s s g a i n distance sm312d diffuse mode performance based on 90% reflectance white test card infrared, 880 nm *notes: i) 9 m (30') cables are available by adding suffix w/30 to the model number of any cabled sensor (e.g., sm312d 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., sm312dqdp ). 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) may be ordered with 0.3 millisecond on/off response by adding suffix mhs to the model numbers (e.g., sm312dmhs ). this modification reduces sensing range (and excess gain).
mini-beam sensors sm312d page 2 banner engineering corp. ? minneapolis, u.s.a. www.bannerengineering.com ? tel: 763.544.3164 mini-beam installation and alignment proper operation of the sm312d sensor requires that it be mounted securely and aligned properly. excessive movement or vibration can result in intermittent or false operation caused by loss of alignment. for best results, final-mount the sm312d in an 18mm-hole by its threaded barrel or use a mounting bracket (see page 6). 1) begin with the sensor at the desired distance from the object to be sensed, and at the approximate position where it will be mounted. the background should be as far behind the object as possible (at least three times the distance of the sensor from the object), and as dark a color as possible compared to the object. ideally, the object should present its largest reflective surface to the sensor. 2) apply power to the sensor, and advance the 15-turn gain control to maximum (clockwise end of rotation). the gain control is clutched at both ends to avoid damage, and will ?ree-wheel?when either end point is reached. if the sensor is ?eeing?its reflected light, the sensor alignment led should be ?n? move the sensor 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. 3) repeat the alignment motions after each gain reduction. when you have found the sensor orientation that produces the fastest pulse rate, mount the sensor solidly in that position. increase the receiver gain to maximum. test the system by removing the object from the sensing position. the receiver led indicator should go ?ff? if the led indicator does not go ?ff? the sensor is reacting to light reflected from a background surface. reduce the gain setting until the alignment indicator goes ?ff? plus two additional full turns. again place the object in the sensing position. if the alignment indicator does not come ?n? the sensor is receiving as much or more light energy from the background as from the object. consider the following alternatives: a) move the sensor closer to the object and reduce the sensitivity (gain); b) reduce background reflectivity by painting the background with flat-black paint, or by scuffing the background or cutting a hole through it; c) tilt the sensor or the background so that the sensing beam is not perpendicular to the background. 15 turn gain adjustment and light/dark operate switch* gasketed acrylic cover aid indicator led lights when the sensor sees its own modulated light and pulses at a rate proportional to the strength of the received light signal. o bject u p d ow n left r ight sm312d diffuse mode alignment sm312d * 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)
page 3 mini-beam sensors sm312d banner engineering corp. minneapolis, u.s.a. www.bannerengineering.com tel: 763.544.3164 mini-beam dc sensor specifications certifications supply voltage and current 10 to 30v dc (10% maximum ripple) at less than 25 ma (exclusive of load) supply protection circuitry protected against reverse polarity and transient voltages output configuration bipolar: one current sourcing (pnp) and one current sinking (npn) open-collector transistor output rating 150ma maximum each output at 25 c, derated to 100 ma at 70 c (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 output protection circuitry protected against false pulse on power-up and continuous overload or short-circuit of outputs output response time 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 are 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. - sm312dmhs). this modification reduces sensing range (and excess gain). repeatability 0.3 milliseconds. response time and repeatability specifications are independent of signal strength. 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. indicators exclusive, patented alignment indicating device system (aid , 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). construction reinforced pbt thermoplastic polyester housing, totally encapsulated, o-ring sealing, acrylic lenses, and stainless steel screws. environmental rating meets nema standards 1, 2, 3, 3s, 4, 4x, 6, 12, and 13; iec ip67 connections pvc-jacketed 4-conductor 2 m (6.5 ft) or 9 m (30 ft) cables, or 4-pin euro-style quick disconnect (qd) fitting are available. qd cables are ordered separately. see page 8. operating temperature temperature: -20 to +70 c (-4 to +158 f) maximum relative humidity: 90% at 50 c (non-condensing) application notes 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.
mini-beam dc sensor with integral cable mini-beam dc sensor with quick-disconnect mini-beam sensors sm312d page 4 banner engineering corp. minneapolis, u.s.a. www.bannerengineering.com tel: 763.544.3164 dc sensors with attached cable dc sensors with quick disconnect (4-pin euro-style) bn wh bu + bk load load 10-30v dc bn wh bu + bk load load 10-30v dc 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. 4-pin euro-style pin-out (cable connector shown) white wire blue wire black wire brown wire 12.2 mm (0.48 in) mounting peg ( 6.3 mm x 2.5 mm) 3 mm clearance (2) m18 x 1 x 15 mm thread (mounting nut supplied) 3.2 mm (0.13 in) 53.3 mm (2.10 in) 27.4 mm (1.08 in) 30.7 mm (1.21 in) 24.1 mm (0.95 in) 2 m (6.5 ft) cable 19.1 mm (0.75 in) m12 x 1 thread quick disconnect 20.0 mm (0.79 in) mini-beam dc hookup diagrams mini-beam dimensions
page 5 mini-beam sensors sm312d banner engineering corp. minneapolis, u.s.a. www.bannerengineering.com tel: 763.544.3164 mini-beam modifications 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 +50 c (-4 to +122 f) model suffix modification mhs example of model number w/30 9 meter (30') cable modified for high speed sm312d w/30 sm312dmhs all mini-beams may be built with a 150 mm (6") long integral cable which is terminated with the appropriate qd connector. qdp pigtail quick disconnect sm312dqdp replacement lens assemblies mini-beam lens assemblies are field-replaceable. model description uc-300l replacement lens for sm312d right-angle reflectors mini-beam right-angle reflectors are useful for tight sensing locations. note: these reflectors significantly decrease excess gain. rar- 300fm 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 model description rar- 300sm side mount reflector profile dimension of 14 mm (0.56") in the direction of the scan
mini-beam sensors sm312d page 6 banner engineering corp. minneapolis, u.s.a. www.bannerengineering.com tel: 763.544.3164 mounting brackets smb46l smb312pd stainless steel 18 mm barrel- mounting bracket model description l bracket 14 ga 316 stainless steel c l 8 mm (0.3 in) 16 mm (0.6 in) 65 mm (2.6 in) 27 mm (1.1 in) 2 mm (.1 in) 6 mm (0.2 in) 5 mm (0.2 in) (2x) 36 mm (1.4 in) 6.5 mm (0.26 in) (6x) 15 mm (0.6 in) 6 mm (0.2 in) 54 mm (2.1 in) smb312s stainless steel 2-axis, side mounting bracket r 5.1 mm (0.20 in) 3.05 mm (0.120 in) 3.05 mm slot (0.120 in) 20 90 c l 15 (2) r 24.1 mm (0.95 in) 31.8 mm (1.25 in) 20.1 mm (0.79 in) 45.5 mm (1.79 in) 20.3 mm (0.80 in) r 3.1 mm (0.12 in) (2) 10 (typ) 4.32 mm (0.170 in) slot (2) 2.5 mm (0.10 in) r 5.1 mm (0.20 in) 4.6 mm (0.18 in) 4.6 mm slot (0.18 in) 20 90 c l 15 (2) r 24.1 mm (0.95 in) 31.8 mm (1.25 in) 40.6 mm (1.60 in) 45.5 mm (1.79 in) 18.42 mm (0.725 in) r 3.1 mm (0.12 in) (2) 15.2 mm (0.60 in) 2.5 mm (0.10 in) smb312b stainless steel 2-axis, bottom mounting bracket 90 10 (2) 10 (2) 2.5 mm (0.10 in) 3.1 mm slot (2) (0.12 in) 4.3 mm slot (2) (0.17 in) 8.6 mm (2) (0.34 in) 6.9 mm (0.27 in) 17.3 mm (2) (0.68 in) 35.0 mm (2) (1.38 in) 50.8 mm (2.00 in) 23.4 mm (0.92 in) 11.4 mm (0.45 in) 9.1 mm (0.36 in) 24.1 mm (0.95 in)
page 7 mini-beam sensors sm312d banner engineering corp. minneapolis, u.s.a. www.bannerengineering.com tel: 763.544.3164 mounting brackets 54 mm (2.1 in) c l 8 mm (0.3 in) 16 mm (0.6 in) 17 mm (0.7 in) 34 mm (1.3 in) 65 mm (2.6 in) 27 mm (1.1 in) 16 mm (0.6 in) 2 mm (.1 in) 6 mm (0.2 in) 10 mm (0.4 in) 5 mm (0.2 in) (4x) 36 mm (1.4 in) 6.5 mm (0.26 in) (6x) 3.5 mm (0.14 in) 15 mm (0.6 in) 6 mm (0.2 in) 65 mm (2.6 in) 27 mm (1.1 in) 2 mm (.1 in) 16 mm (0.6 in) 70 mm (2.8 in) 54 mm (2.1 in) c l 8 mm (0.3 in) 16 mm (0.6 in) 17 mm (0.7 in) 34 mm (1.3 in) 6 mm (0.2 in) 13 mm (0.5 in) 5 mm (0.2 in) (4x) 36 mm (1.4 in) 6.5 mm (0.26 in) (6x) 3.5 mm (0.14 in) 15 mm (0.6 in) 6 mm (0.2 in) smb46s model description dimensions smb46u s bracket 14 ga 316 stainless steel 40.0 mm (1.60 in) 42.4 mm (1.67 in) 30.0 mm (1.18 in) 2.5 mm (0.10 in) 21.1 mm (0.83 in) nut plate m5 x 0.8 x 60 mm screw (2) 13 mm (0.5 in) 14.0 mm (0.55 in) u bracket 14 ga 316 stainless steel smb18c 18 mm split clamp black pbt thermoplastic polyester bracket stainless steel mounting hardware included 36.0 mm (1.42") 50.8 mm (2.00") 42.0 mm (1.65") 22.9 mm (0.9") 25.4 mm (1.00") 10.6 mm (0.42") m18 x 1 internal thread smb18sf 18 mm swivel bracket black thermoplastic polyester includes stainless steel swivel locking hardware
banner engineering corp., 9714 tenth ave. no., minneapolis, mn 55441 phone: 763.544.3164 www.bannerengineering.com email: sensors@bannerengineering.com mini-beam sensors sm312d all mini-beam sm312 dc models the following cables are available for extending the length of existing sensor cable. these are 30 m (100') lengths of mini-bea m cable. this cable may be spliced to existing cable. connectors, if used, must be customer-supplied. model type used with: ec312-100 4-conductor extension cables (without connectors) euro-style quick-disconnect cables 38 mm max. (1.5 in) m12 x 1 15 mm (0.6 in) 38 mm max. (1.5 in) 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 +90 c (-40 to +194 f) voltage rating: 250v ac/300v dc 4-pin straight MQDC-406 mqdc-415 mqdc-430 2 m (6.5') 5 m (15') 9 m (30') m12 x 1 15 mm (0.6 in) 44 mm max. (1.7 in) style 4-pin right-angle MQDC-406ra mqdc-415ra mqdc-430ra 2 m (6.5') 5 m (15') 9 m (30') white wire blue wire black wire brown wire model length dimensions: pin-out 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 l ieu of any other warranty either expressed or implied. 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 banne r safety products catalog for safety products which meet osha, ansi and iec standards for personnel protection. !
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