2 general purpose photoelectric sensor e3s-b miniature dc sensor with built-in amplifier offers vertical or horizontal single-screw mounting h visible red beam h high-speed sensing, 0.5 ms response time h nema 4x, 6 and ip67 h single-screw mounting h pre-wired, light-on/dark-on wire selectable ordering information j sensors through-beam sensors include both emitter and receiver. the polarized retroreflective sensors include e39-r1 reflector. all sensors include mounting hardware. method of detection through-beam polarized retroreflective diffuse reflective sensing distance 2 m (6.56 ft) 1 m (3.28 ft) 20 cm (7.87 in) mounting output part number horizontal npn e 3 s-bt 11 e 3 s-br 11 e 3 s-bd 11 pnp e 3 s-bt 31 e 3 s-br 31 e 3 s-bd 31 vertical npn e 3 s-bt 61 e 3 s-br 61 e 3 s-bd 61 pnp e 3 s-bt 81 e 3 s-br 81 e 3 s-bd 81 j accessories description part number slits for e3s-bt jj sensors (3 pairs of adhesive slits: 2 mm, 1 mm and 0.5 mm wide) e 39 -s 47 aperture kit for e3s-bt jj sensors (3 pairs of adhesive apertures: 2 mm, 1 mm and 0.5 mm dia.) e 39 -s 48 mutual interference filters for e3s-bt jj sensors (2 pairs: horizontal and vertical, includes mounting hardware) e 39 -e 8 small corner cube reflector 10 to 60 cm (3.94 to 23.62 in) e 39 -r 3 7 to 35 cm (2.76 to 13.78 in) e 39 -r 4 adhesive back reflector 10 to 20 cm (3.94 to 7.87 in) e 39 -rsa 10 to 30 cm (3.94 to 11.81 in) e 39 -rsb stainless steel mounting bracket for e39-r1 reflector e 39 -l 7 stainless steel mounting bracket for e39-r3 reflector e 39 -l 54 j accessories description part number corner cube reflector (supplied with e3s-br jj ) e 39 -r 1 stainless steel mounting bracket for horizontal sensors (supplied with each sensor) e 39 -l 71 stainless steel mounting bracket for vertical sensors (supplied with each sensor) e 39 -l 72 mounting adapter plate e 39 -l 61
e3s-b e3s-b 3 specifications part number e 3 s-bt jj e 3 s-bt jj e 3 s-bd jj method of detection through-beam polarized retroreflective diffuse reflective supply voltage 10 to 30 vdc, ! 10% current consumption 35 ma max. (emitter and receiver) 25 ma max. sensing distance white mat paper 0to2m (0 to 6.56 ft) 0.1to1mwithe39-r1 (0.33 to 3.28 ft) 0.1to20cm (0.04to7.87in) black mat paper ( ) ( ) 0.2to6cm (0.08to2.36in) with accessories 60 cm (1.97 ft) with e39-e8 filter 1 m (3.28 ft) with 2 mm slit 50 cm (1.64 ft) with 1 mm slit 25 cm (9.84 in) with 0.5 mm slit 60 cm (1.97 ft) with 2 mm dia. aperture 17 cm (6.69 in) with 1 mm dia. aperture 4 cm (1.57 in) with 0.5 mm dia. aperture 10 to 60 cm with e39-r3 (3.94 to 23.62 in) 7to35cmwithe39-r4 (2.76 to 13.78 in) 10 to 20 cm with e39-rsa (3.94to7.87in) 10 to 30 cm with e39-rsb (3.94to11.81in) ? light source pulse modulated red led (700 nm) standard object type opaque materials opaque materials opaque and transparent objects size 5.5 mm (0.22 in) dia. minimum 30 mm (1.18 in) dia. minimum 10 x 10 cm (3.94x 3.94 in) white mat paper operation mode light-on/dark-on operation, wire selectable variation in sensing distance ? ? +30% max., -0% max. hysteresis ? ? 20% max. variation in optical axis and mounting direction ! 2 _ max. sensitivity adjustable, 3/4-turn potentiometer mutual interference protection not provided provided provided control output type npn transistor, open collector (e 3 s-b j 11, e 3 sb j 61) pnp transistor, open collector (e 3 s-b j 31, e 3 sb j 81) max. load 100 ma max. at 30 vdc max. on-state voltage drop 1 vdc max. at 100 ma load current response time 0.5 ms max. for both on and off operation circuit protection load short-circuit protection, reverse polarity protection indicators emitter: operation (red) receiver: operation (red) stability (green) operation (red), stability (green) materials lens denatured polyarylate case polybutylene terephthalate (pbt) bracket stainless steel mounting either side surface with one stud and one threaded hole. bracket e 39 -l71 for horizontal or E39-L72 for vertical sensors and hardware included. connections prewired 2 m (6.56 ft) long cable w e i g h t e m i t t e r 5 6 g ( 1 9 6 o z ) 5 6 g ( 1 9 6 o z ) 6 5 g ( 2 2 8 o z ) w e i g h t e m i tter 5 6 g ( 1 . 9 6 oz ) 5 6 g ( 1 . 9 6 oz ) 6 5g ( 2 . 2 8 oz ) g receive 66 g (2.31 oz) ? ? enclosure r a t i n g iec 144 ip 67 rating nema 4x, 6 ambient operating -25 _ to 55 _ c (-13 _ to 131 _ f) with no icing temperature storage -40 _ to 70 _ c (-40 _ to 158 _ f)
e3s-b e3s-b 4 j output circuit diagrams npn output through-beam emitter through-beam emitter pnp output through-beam receiver, retroreflective, diffuse reflective through-beam receiver, retroreflective, diffuse reflective note: circuits shown are for light-on operation. for dark-on operation, the gray wire is connected to the black wire (0 vdc). iec colors are shown in parentheses. en g ineerin g data j excess gain ratio excess gain vs. set distance (typical) e3s-bt j j j j 1e3s-br j j j j 1 (with e39-r1 reflector) e3s-bd j j j j 1 (detection of white paper) e3s-bd j j j j 1 (detection of black paper)
e3s-b e3s-b 5 j operating range parallel operating range (typical) e3s-bt j j j j 1 (left and right) e3s-bt j j j j 1 (up and down) sensing distance vs. set distance e3s-bt j j j j 11 e3s-bd j j j j 1 (left and right) e3s-bd j j j j 1 (up and down) dimensions unit: mm (inch) j sensors e 3 s-bt 11 e 3 s-bt 31 22 (0.87) 16 (0.63) e39-l71 mounting bracket m3 x 8 25 (0.98) 1.5 (0.06) 1.3 (0.05) 1.5 (0.06) 25.5 (1.00) emitter 10 (0.39) 12.5 (0.49) 3.1 (0.12) 29 (1.14) 28 (1.10) 1 (0.04) receiver cable 4mmod, 2 m length 29 (1.14) 10 (0.39) 12.5 (0.49) 28 (1.10) 1 (0.04)
e3s-b e3s-b 6 unit: mm (inch) e 3 s-bt 61 e 3 s-bt 81 28 (1.10) 16 (0.63) 16 (0.63) 1.3 (0.05) 44.8 (1.76) 19.2 (0.76) 12.6 (0.50) 19.2 (0.76) 12.6 (0.50) 20 (0.79) 20 (0.79) 10 (0.39) 10 (0.39) 13 (0.51) 13 (0.51) 16 (0.63) 16 (0.63) emitter receiver e 3 s-br 11 e 3 s-br 31 30.3 (1.19) 16 (0.63) 1.5 (0.06) 27.8 (1.09) 22 (0.87) 12.5 (0.49) 10 (0.39) 1 (0.04) 29 (1.14) 1 (0.04) sensitivity adjuster (white)
e3s-b e3s-b 7 e 3 s-br 61 e 3 s-br 81 28 (1.10) 16 (0.63) 44.8 (1.76) 20 (0.79) 19.2 (0.76) 4 (0.16) 12.6 (0.50) 10 (0.39) 16 (0.63) 13 (0.51) e 3 s-bd 11 e 3 s-bd 31 16 (0.63) 1.3 (0.05) 12.5 (0.49) 10 (0.39) 22 (0.87) 1.5 (0.06) 25.5 (1.00) 29 (1.14) 28 (1.10) 1 (0.04) 1 (0.04)
e3s-b e3s-b 8 unit: mm (inch) e 3 s-bd 61 e 3 s-bd 81 20 (0.79) 12.6 (0.50) 13 (0.51) 19.2 (0.76) 10 (0.39) 16 (0.63) 1 (0.04) 16 (0.63) 28 (1.10) 44.8 (1.76) 4 (0.16) 52 (2.05) e 39 -r 1 reflector (included with e 3 s-ar j j j j ) two, 3.5 (0.14) dia. 40.3 (1.59) 34 (1.34) 2.7 ( 0.11 ) 8 (0.31) 1.6 (0.06) 59.9 (2.36) 7 (0.28) 7.5 (0.30) 62.1 (2.44) e 39 -l 7 r 1 reflector adapter for e 39 -r 1 reflector (order separately) 34 (1.34) two m3 52 (2.05) 59 (2.32) 39.3 (1.56) 3.2 (0.13) nut (m5) m5 spring washer (m5) 12 (0.47) j corner cube reflectors
e3s-b e3s-b 9 dimensions with e 39 -l 54 mounting bracket (included) 41.8 (1.65) 1.2 ( 0.05 ) 0.2 (0.01) 34 (1.34) 10.1 (0.40) 16 (0.63) 11 (0.43) 3.4 (0.13) 22.9 (0.90) 20 (0.79) 4.5 (0.18) 29 (1.14) 38 (1.50) e 39 -r 1 reflector (optional) 34 (1.34) 7 (0.28) 52 (2.05) 59.9 (2.36) 8 (0.31) 1.6 (0.06) 7.5 (0.30) 2.7 (0.11) e 39 -r 4 optional mini-reflector e 39 -rsa optional adhesive-backed reflector e 39 -rsb optional adhesive-backed reflector 2 (0.08) 23 (0.91) 13.7 (0.54) 1.4 (0.06) 4.9 (0.19) 0.7 (0.03) 35 (1.38) 35 (1.38) 40 (1.57) 0.7 (0.03) j slits and apertures for through-beam sensors e 39 -s 47 slit set the kit includes two sets each of 0.5 mm, 1 mm and 2 mm slits. mount the adhesive-backed slit to the lens of both emitter and receiver. use the same slit size on both emitter and receiver for best results. the kit includes two sets each of 0.5 mm, 1 mm and 2 mm diameter apertures. mount the adhesive-backed aperture to the lens of both the emitter and receiver. use the same aperture size on both emitter and receiver for best results. e 39 -s 48 aperture set 13 (0.51) 13 (0.51)
e3s-b e3s-b 10 j mutual interference filter j mounting adapter plate e 39 -e 8 e 39 -l 61 2.1 (0.08) 16.2 (0.64) 2.2 (0.09) 28 (1.10) 2.5 (0.10) 14.5 (0.57) operation j sensitivity adjustment unlike conventional photoelectric sensors, the variation in the sensitivity of e3s photoelectric sensors is minimal. this means the sensitivity can be adjusted on only a single photoelectric sensor, and then the adjusters on the other photoelectric sensors can be set to the same scale position. there is no need to adjust the sensitivity of each photoelectric sensor individually. steps step 1 step 2 step 3 function determine position a determine position b adjust to optimum setting sensing condition photoelectric sensor target photoelectric sensor target photoelectric sensor ta r g e t sensitivity adjuster min max min max min max indicators off on stability (green) light (red) off stability (green) light (red) off on off stability (green) light (red) place target at the desired sensing distance. set sensitivity adjuster to the minimum scale position and gradually increase sensitivity by turning the sensitivity adjuster clockwise until the light incident indicator (red led) turns on. position a designates the point at which the led has turned on. remove the target. starting from the maximum scale position, gradually decrease sensitivity by turning the sensitivity adjuster counterclockwise until the light incident indicator (red led) is off. position b designates the point at which the led has turned off. set the sensitivity indicator to the position between positions a and b (in some cases, positions a and b are opposite of the above example). the photoelectric sensor will then work normally if the stability indicator (green) is lit with and without the target. if it is not lit, stable operation cannot be expected, in which case a different detection method should be applied.
e3sb e3sb cat. no. cedsax4 11/01 specifications subject to change without notice. printed in u.s.a. omron electronics llc one east commerce drive schaumburg, il 60173 note: dimensions shown are in millimeters. to convert millimeters to inches divide by 25.4. 1-800-55-omron omron canada, inc. 885 milner avenue scarborough, ontario m1b 5v8 416-286-6465 r omron on--line global -- http://www.omron.com usa -- http://www.omron.com/oei canada -- http://www.omron.com/oci
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