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1 csm_e3t_ds_e_6_1 photoelectric sensor with built-in am plifier (ultracompact and thin type) e3t features e3t-sr4 @ : retro-reflective sens or with enhanced compactness and high performance ? perform detection from a small hole. with a coaxial optical system, t he lens diameter is only 2 mm. sufficient incident light is obta ined even through a small hole. the coaxial retro-reflective sensor can be used for reliabl e application with positioning. ? improved stability of short-distance detection a detection distance as short as 10 mm can be used with a tape reflector. detection is stable through a hole whether the distance is 10 mm or 100 mm (except in combination with the e39-r4). e3t-fl1 @ /-fl2 @ : the slimmest bgs (background suppr ession) reflective photoelectric sensors in the world ultra slim at 3.5 mm and black/white error of only 15%. for example, the e3t- fl1 @ can stably detect a black object at 12 mm without being affected by a white background at 20 mm. omron provides bgs performance sharper than the previous convergent- reflective sensors. dramatic improvement in black/white error 3.5mm e3t-fl1 20mm 12mm 15mm not detected detected black object white background rated sensing distance 0 5 10 15 20 25 (mm) white paper black paper white paper black paper e3t-fl1 (bgs reflective model) e3t-sl1 (convergent-reflective model) new retro-reflective sensors added to the series. further contributions to equipment downsizing. ? coaxial retro-reflective for reliable positioning applications. ? series now includes bgs * reflective model with black/white error of 15% ? easy optical axis adjustment with emitter axis accuracy of 2 (through-beam model) ? noise and external light resist ance enhanced to that of e3z or equivalent ? output reverse polarity protec tion provides reliable support against incorrect wiring. ? the series includes models with m12 smartclick pre-wired connectors (-m1tj) * bgs (background suppression) technology prevents detecting background objects. be sure to read safety precautions on page 14.
e3t 2 ordering information sensors (refer to dimensions on page 15.) *1. values in parentheses indicate the minimum r equired distance between the sensor and reflector. *2. the model number of the emitter is expressed by adding an "l" to the set model number in the table. example: e3t-st11-l 2m the model number of the receiver is expressed by adding a "d " to the set model number in the table. example: e3t-st11-d 2m orders for individual emitters and receivers are acc epted. (modifications are required for some models.) *3. ask your omron representative about the pr evious retro-reflective sensors: e3t-sr2 @ and e3t-sr3 @ . *4. models are available either with or without the e39-r37-ca reflector included. model with e39-r37-ca reflector: e3t-sr4 @ -s model without reflector: e3t-sr4 @ -c sensing method appearance connection method sensing distance operation mode model npn output pnp output through-beam (emitter + receiver) * 2 side-view pre-wired (2 m) light-on e3t-st11 2m e3t-st13 2m dark-on e3t-st12 2m e3t-st14 2m light-on e3t-st21 2m e3t-st23 2m dark-on e3t-st22 2m e3t-st24 2m flat light-on e3t-ft11 2m e3t-ft13 2m dark-on e3t-ft12 2m e3t-ft14 2m light-on e3t-ft21 2m e3t-ft23 2m dark-on e3t-ft22 2m e3t-ft24 2m retro- reflective * 3 side-view light-on e3t-sr41 2m * 4 e3t-sr43 2m * 4 dark-on e3t-sr42 2m * 4 e3t-sr44 2m * 4 diffuse- reflective flat light-on e3t-fd11 2m e3t-fd13 2m dark-on e3t-fd12 2m e3t-fd14 2m convergent- reflective side-view light-on e3t-sl11 2m e3t-sl13 2m dark-on e3t-sl12 2m e3t-sl14 2m light-on e3t-sl21 2m e3t-sl23 2m dark-on e3t-sl22 2m e3t-sl24 2m bgs reflective flat light-on e3t-fl11 2m e3t-fl13 2m dark-on e3t-fl12 2m e3t-fl14 2m light-on e3t-fl21 2m e3t-fl23 2m dark-on e3t-fl22 2m e3t-fl24 2m red li g ht 1 m (sensitivity adjustment unit can be used.) 300 mm 500 mm 300 mm using the e39-r37-ca 100 mm [10 mm] * 1 200 mm [30 mm] * 1 using the e39-r4 reflector pro v ided 5 to 30 mm 5 to 15 mm 5 to 30 mm 1 to 15 mm 1 to 30 mm
e3t 3 variety of connection specifications the models with the connection specifications marked with a black circle in the tabl e are available. the model number indicatio n is a combination of the basic model and t he connection specification. npn output * the sensing distance depends on the reflecto r that is used. the sensi ng distance is 200 mm if an e39-r4 is used and 100 mm if an e39-r37-ca is used. pnp output model model number example e3t-st11-m1tj 0.3m e3t-st11 5m e3t-st11r 2m e3t-st11-econ 0.3m e3t-st11-econ 2m sensing method sensing distance operation mode connec- tion speci- fication m12 pre-wired smartclick con- nector (cable length: 0.3 m) pre-wired (cable length: 5 m) pre-wired robot (cable length: 2 m) e-con pre-wired connector (cable length: 0.3 m) e-con pre-wired connector (cable length: 2 m) basic model number -m1tj 0.3m 5m r 2m -econ 0.3m -econ 2m through- beam (side- view) 1 m light-on e3t-st11 dark-on e3t-st12 300 mm light-on e3t-st21 --- dark-on e3t-st22 --- through- beam (flat) 500 mm light-on e3t-ft11 dark-on e3t-ft12 300 mm light-on e3t-ft21 --- --- dark-on e3t-ft22 --- --- retro- reflective 200 mm (100 mm) light-on e3t-sr41 dark-on e3t-sr42 diffuse- reflective 5 to 30 mm light-on e3t-fd11 dark-on e3t-fd12 convergent- reflective 5 to 15 mm light-on e3t-sl11 dark-on e3t-sl12 5 to 30 mm light-on e3t-sl21 dark-on e3t-sl22 bgs reflec- tive 1 to 15 mm light-on e3t-fl11 --- --- --- dark-on e3t-fl12 --- --- --- 1 to 30 mm light-on e3t-fl21 --- --- dark-on e3t-fl22 --- --- --- example: e3t-st11-m1tj 0.3m connection specification basic model n u m b er model model number example e3t-st13-m1tj 0.3m e3t-st13 5m e3t-st13r 2m sensing method sensing distance operation mode connec- tion speci- fication m12 pre-wired smartclick con- nector (cable length: 0.3 m) pre-wired (cable length: 5 m) pre-wired robot (cable length: 2 m) basic model number -m1tj 0.3m 5m r 2m through- beam (side- view) 1 m light-on e3t-st13 dark-on e3t-st14 300 mm light-on e3t-st23 --- --- dark-on e3t-st24 --- --- through- beam (flat) 500 mm light-on e3t-ft13 dark-on e3t-ft14 300 mm light-on e3t-ft23 --- --- dark-on e3t-ft24 ---
e3t 4 * the sensing distance depends on the reflecto r that is used. the sensi ng distance is 200 mm if an e39-r4 is used and 100 mm if an e39-r37-ca is used. retro- reflective 200 mm (100 mm) light-on e3t-sr43 dark-on e3t-sr44 diffuse- reflective 5 to 30 mm light-on e3t-fd13 dark-on e3t-fd14 convergent- reflective 5 to 15 mm light-on e3t-sl13 dark-on e3t-sl14 5 to 30 mm light-on e3t-sl23 dark-on e3t-sl24 bgs reflec- tive 1 to 15 mm light-on e3t-fl13 --- dark-on e3t-fl14 --- 1 to 30 mm light-on e3t-fl23 --- dark-on e3t-fl24 --- model model number example e3t-st13-m1tj 0.3m e3t-st13 5m e3t-st13r 2m sensing method sensing distance operation mode connec- tion speci- fication m12 pre-wired smartclick con- nector (cable length: 0.3 m) pre-wired (cable length: 5 m) pre-wired robot (cable length: 2 m) basic model number -m1tj 0.3m 5m r 2m
e3t 5 accessories (order separately) slits (refer to dimensions on page 18.) reflectors (refer to dimensions on page 17.) *1. values in parentheses indicate the minimum r equired distance between the sensor and reflector. *2. the e3t-sr4 @ cannot be used with the e39-r37 or e39-rs1/2/3 (without ca) tape reflectors. the e39- @ -ca reflector is for use only with the e3t-sr4 @ . it cannot be used with other sensors. sensitivity adjustment unit (refer to dimensions on page 18.) mounting brackets (refer to dimensions on page 18.) note: when using through-beam models, order one bracket for the receiver and one for the emitter. sensor i/o connectors (for m12, refer to xs5 . for e-con, contact your omron representative.) note: when using through-beam models, order one connecto r for the receiver and one for the emitter. slit width sensing distance (typical) (sensor model) minimum detectable object (typical) model quantity remarks 0.5-mm dia. 100 mm (e3t-st1 @ ) 0.5-mm dia. e39-s63 one each for emitter and receiver; common with slit widths of 1 dia. and 0.5 dia. (total of 2) plug-in type round slits can be used with e3t-st @@ through-beam models. 30 mm (e3t-st2 @ ) 1-mm dia. 300 mm (e3t-st1 @ ) 1-mm dia. 100 mm (e3t-st2 @ ) 0.5-mm dia. 50 mm (e3t-ft1 @ ) 0.5-mm dia. e39-s64 plug-in type round slits can be used with e3t-ft @@ through-beam models. 30 mm (e3t-ft2 @ ) 1-mm dia. 100 mm (e3t-ft1 @ ) 1-mm dia. 50 mm (e3t-ft2 @ ) name recommended sensor sensing distance minimum detectable object model quantity remarks small reflectors e3t-sr4 @ 200 mm (30 mm) * 1 2-mm dia. e39-r4 1 provided with the e3t-sr4 @ e3t-sr4 @ -s 100 mm (10 mm) * 1 e39-r37-ca * 2 provided with the e3t-sr4 @ -s tape reflectors e3t-sr4 @ -c 100 mm (10 mm) * 1 e39-rs1-ca * 2 use tape reflectors in combina- tion with the e3t-sr4 @ -c, which does not come with a reflector. e39-rs2-ca * 2 e39-rs3-ca * 2 appearance sensing distance (typical) model quantity remarks 300 to 800 mm e39-e10 1 can be used with the e3t-st1 @ through-beam models. appearance model quantity remarks e39-l116 1 can be used with the e3t-s @@@ side-view models. (a securing nut plate is provided with the mounting bracket.) e39-l117 e39-l118 e39-l119 can be used with the e3t-f @@@ flat models. e39-l120 size cable appearance cable type model m12 (for -m1tj models) standard 2 m 4-wire xs5f-d421-d80-a 5 m xs5f-d421-g80-a e-con standard cable 2 m 4-wire e39-econ2m 5 m e39-econ5m 0.5 to 1 m e39-econw @ m 1.1 to 1.5 m replace @ with the cable length in 0.1-m increments. 1.6 to 2 m straight 1 2 3 4 connector on one end 1 2 3 4 4 3 1 2 connector on both ends
e3t 6 ratings and specifications * values in parentheses indicate the minimum r equired distance between the sensor and reflector. sensing method through-beam retro-reflective (without m.s.r. func- tion) side-view flat side-view npn pnp npn pnp npn pnp e3t-st11 e3t-st12 e3t-st21 e3t-st22 e3t-st13 e3t-st14 e3t-st23 e3t-st24 e3t-ft11 e3t-ft12 e3t-ft21 e3t-ft22 e3t-ft13 e3t-ft14 e3t-ft23 e3t-ft24 e3t-sr41 e3t-sr42 e3t-sr43 e3t-sr44 sensing distance e3t-st1 @ 1 m e3t-st2 @ 300 mm e3t-ft1 @ 500 mm e3t-ft2 @ 300 mm e3t-sr4 @ 200 mm (30 mm) (using the e39-r4) 100 mm (10 mm) (using the e39-r37- ca) standard sensing object opaque, 2-mm dia. min. opaque, 1.3-mm dia. min. opaque, 27-mm dia. min. minimum detect- able object (typical) 2-mm dia opaque object 1.3-mm dia opaque object 2-mm dia. (sensing distance of 100 mm) hysteresis (white paper) --- black/white error --- directional angle emitter: 2 to 20 receiver: 2 to 70 emitter: 3 to 25 receiver: 3 min. 2 to 20 light source (wavelength) red led (?pin-point? led) = 650 nm power supply voltage 12 to 24 vdc 10%, ripple (p-p) 10% max. current consumption 30 ma max. (emitter 10 ma max., receiver 20 ma max.) 20 ma max. control output load power supply voltage: 26.4 vdc max. load current: 50 ma max. (residual voltage: 2 v max. for load current of 10 to 50 ma, 1 v max. for load current of less than 10 ma) open-collector output light on: e3t- @@@ 1 and e3t- @@@ 3 dark on: e3t- @@@ 2 and e3t- @@@ 4 protection circuits power supply and control output reverse polarity protection output short-circuit protection power supply and control output reverse polarity protection output short-circuit protection, mutual in- terference prevention response time operate or reset: 1 ms max. ambient illumination incandescent lamp: 5,000 lx max. sunlight: 10,000 lx max. ambient temperature range operating: ? 25 to 55 c storage: ? 40 to 70 c (with no icing or condensation) ambient humidity range operating: 35% to 85% storage: 35% to 95% (with no condensation) insulation resistance 20 m min. at 500 vdc dielectric strength 1,000 vac, 50/60 hz for 1 min vibration resistance destruction: 10 to 2,000 hz, 1.5-mm double amplitude or 300 m/s 2 for 0.5 hrs each in x, y, and z directions shock resistance destruction: 1,000 m/s 2 3 times each in x, y, and z directions degree of protection ip67 (iec60529) connection method pre-wired (standard length: 2 m) weight approx. 40 g approx. 20 g materials case pbt (polybutylene terephthalate) display window denatured polyarylate lens denatured polyarylate methacrylic resin accessories instruction manual, installation ph illips screws (side-view models: m2 14, flat models: m2 8), nuts, spring washers, flat washers, e39-r4 (e3t-sr4 @ only), e39-r37-ca (e3t-sr4 @ -s only)
e3t 7 sensing method diffuse-reflective convergent-reflective bgs reflective flat side-view flat npn pnp npn pnp npn pnp npn pnp npn pnp e3t-fd11 e3t-fd12 e3t-fd13 e3t-fd14 e3t-sl11 e3t-sl12 e3t-sl13 e3t-sl14 e3t-sl21 e3t-sl22 e3t-sl23 e3t-sl24 e3t-fl11 e3t-fl12 e3t-fl13 e3t-fl14 e3t-fl21 e3t-fl22 e3t-fl23 e3t-fl24 sensing distance 5 to 30 mm (50 50 mm white pa- per) 5 to 15 mm (50 50 mm white pa- per) 5 to 30 mm (50 50 mm white pa- per) 1 to 15mm (50 50 mm white pa- per) 1 to 30mm (50 50 mm white pa- per) standard sensing object --- minimum detect- able object (typical) 0.15-mm dia. (sensing distance of 10 mm) 0.15-mm dia non-glossy object (sensing distance of 10 mm) hysteresis (white paper) 6 mm max. 2 mm max. 6 mm max. 0.5 mm max. 2 mm max. black/white error --- 15% max. directional angle --- light source (wavelength) red led (?pin-point? led) = 650 nm power supply voltage 12 to 24 vdc 10%, ripple (p-p) 10% max. current consumption 20 ma max. control output load power supply voltage: 26.4 vdc max. load current: 50 ma max. (residual voltage: 2 v max. for load cu rrent of 10 to 50 ma, 1 v max. for load current of less than 10 ma) open-collector output light on: e3t- @@@ 1 and e3t- @@@ 3 dark on: e3t- @@@ 2 and e3t- @@@ 4 protection circuits power supply and control output reverse polarity protection output short-circuit protection , mutual interference prevention response time operate or reset: 1 ms max. ambient illumination incandescent lamp: 5,000 lx max. sunlight: 10,000 lx max. ambient temperature range operating: ? 25 to 55 c storage: ? 40 to 70 c (with no icing or condensation) ambient humidity range operating: 35% to 85% storage: 35% to 95% (with no condensation) insulation resistance 20 m min. at 500 vdc dielectric strength 1,000 vac, 50/60 hz for 1 min vibration resistance destruction: 10 to 2,000 hz, 1.5-mm double amplitude or 300 m/s 2 for 0.5 hrs each in x, y, and z directions shock resistance destruction: 1,000 m/s 2 3 times each in x, y, and z directions degree of protection ip67 (iec60529) connection method pre-wired (standard length: 2 m) weight approx. 20 g materials case pbt (polybutylene terephthalate) display window denatured polyarylate lens denatured polyarylate accessories instruction manual, installation ph illips screws (side-view models: m2 14, flat models: m2 8), nuts, spring washers, flat washers
e3t 8 engineering data (typical) parallel operating range through-beam e3t-st1 @ + e39-s63 slit (order separately) e3t-st1 @ + e39-s63 slit (order separately) (enlarged graph) e3t-st2 @ e3t-ft1 @ + e39-s64 slit (order separately) e3t-ft1 @ + e39-s64 slit (order separately) (enlarged graph) e3t-ft2 @ retro-reflective 200 150 100 50 0 ? 50 ? 100 ? 150 ? 200 0.5-dia slit distance x (m) 1-dia slit 0.4 0.8 1.2 1.6 2.0 distance y (mm) without slit y x 80 60 40 20 0 ? 20 ? 40 ? 60 ? 80 40 80 120 160 200 distance y (mm) 1-dia slit 0.5-dia slit distance x (mm) y x y x 20 15 10 5 0 ? 5 ? 10 ? 15 ? 20 25 ? 25 200 400 800 600 without slit distance x (mm) distance y (mm) 1-dia slit 0.5-dia slit 200 150 100 50 0 ? 50 ? 100 ? 150 ? 200 0.4 0.6 0.8 1 1.2 1.4 0.2 1-dia slit without slit distance x (m) y x distance y (mm) 0.5-dia slit 80 60 40 20 0 ? 20 ? 40 ? 60 ? 80 40 80 120 160 200 distance y (mm) 0.5-dia slit 1-dia slit distance x (mm) y x y x 60 40 20 0 ? 20 ? 40 ? 60 80 ? 80 200 400 600 800 1-dia slit distance x (mm) distance y (mm) without slit 0.5-dia slit 40 30 20 10 0 ? 10 ? 20 ? 30 ? 40 400 100 200 300 e3t-sr4 @ +e39-r4 e3t-sr4 @ +e39-r37-ca y x distance y (mm) distance x (mm)
e3t 9 operating range diffuse-reflective convergent-reflective e3t-fd1 @ e3t-sl1 @ e3t-sl2 @ bgs reflective e3t-fl1 @ e3t-fl2 @ inclination detection area characteristic convergent-reflective e3t-sl1 @ (top to bottom) e3t-sl1 @ (right to left) e3t-sl2 @ (top to bottom) sensing object: 50 x 50 mm white paper 3 2 1 0 ? 1 ? 2 ? 3 4 ? 4 10 20 30 40 y x distance y (mm) distance x (mm) 15 10 5 0 ? 5 ? 10 ? 15 51015202530 y x distance y (mm) sensing object: 50 x 50 mm white paper distance x (mm ) 3 2 1 0 ? 1 ? 2 ? 3 4 ? 4 10 20 30 40 distance y (mm) sensing object: 50 x 50 mm white paper distance x (mm) y x 4 3 2 1 0 ? 1 ? 2 ? 3 ? 4 5 ? 5 268 410121416 sensing distance x (mm) distance y (mm) sensing object: 50 x 50 mm white paper y x 8 6 4 2 0 ? 2 ? 4 ? 6 ? 8 10 ? 10 51520 10 25 30 35 sensing distance x (mm) distance y (mm) sensing object: 50 x 50 mm white paper y x 10 distance (mm) 20 0 10 0 ? 10 angle ( ) glass stainless steel angle of inclination ? + 10 distance (mm) 20 0 10 0 ? 10 angle ( ) glass stainless steel angle of inclination ? + 20 40 30 10 0 10 0 ? 10 angle ( ) glass stainless steel distance (mm) angle of inclination ? +
e3t 10 bgs reflective e3t-sl2 @ (right to left) e3t-fl1 @ (top to bottom) e3t-fl1 @ (right to left) e3t-fl2 @ (top to bottom) e3t-fl2 @ (right to left) excess gain vs. set distance through-beam e3t-st1 @ e3t-ft1 @ e3t-st2 @ 20 40 30 10 0 10 0 ? 10 angle ( ) glass stainless steel distance (mm) angle of inclination ? + 10 20 0 1 0 0 ? 10 glass stainless steel angle ( ) distance (mm) angle of inclination white paper center line + ? 10 20 0 1 0 0 ? 10 angle ( ) distance (mm) angle of inclination white paper center line + ? glass stainless steel 20 10 30 40 0 1 0 0 ? 10 angle ( ) glass stainless steel distance (mm) angle of inclination white paper center line + ? 20 10 30 40 0 1 0 0 ? 10 glass stainless steel angle ( ) angle of inclination white paper center line + ? distance (mm) 100 50 30 10 5 3 1 0.5 0.3 0.1 4000 3000 2000 1000 0 excess gain ratio operating level set distance (mm) 100 50 30 10 5 3 1 0.5 0.3 0.1 0 400 800 1200 1600 2000 excess gain ratio operating level set distance (mm) 14 12 10 8 6 4 2 0 1 1200 900 600 300 0 operating level set distance (mm) excess gain ratio
e3t 11 retro-reflective di ffuse-reflective e3t-ft2 @ e3t-sr2 @ + e39-r4 (provided) e3t-fd1 @ convergent-reflective e3t-sl1 @ e3t-sl2 @ sensing object size vs. sensing distance e3t-sl1 @ e3t-fd1 @ , e3t-sl2 @ 14 12 10 8 6 4 2 0 2000 1500 1000 500 0 1 excess gain ratio operating level set distance ( mm ) set distance ( mm ) excess gain ratio operating le v el 100 50 30 10 5 3 1 0.5 0.3 0.1 300 200 100 0 e3t-sr4 @ +e39-r37-ca e3t-sr4 @ +e39-r4 100 50 30 10 5 3 1 0.5 0.3 0.1 0 10 20 30 40 excess gain ratio operating level black paper white pape r set distance (mm ) 0 5 10 15 20 1000 500 300 100 50 30 10 5 3 1 0.5 0.3 0.1 excess gain ratio operating level black paper white paper set distance (mm) 100 50 30 10 5 3 1 0.5 0.3 0.1 0 10 20 30 40 excess gain ratio operating level white paper black paper set distance ( mm ) 2.0 1.6 1.2 0.8 0.4 0 5 10 15 20 min. sensing object dia. (mm) set distance (mm) 0 5 10 15 20 25 30 10 8 6 4 2 e3t-fd1 @ e3t-sl2 @ min. sensing object dia. (mm) sensing object: pin-gauge, stainless steel set distance (mm)
e3t 12 sensing distance vs. material convergent-reflective diffuse-reflective e3t-sl1 @ e3t-sl2 @ e3t-fd1 @ bgs reflective e3t-fl1 @ e3t-fl2 @ sensing distance characteristics of sensitivity adjustment unit (when completing optical axis adjustment) e3t-st1 @ + e39-e10 sensitivity adjust- ment unit (order separately) 25 20 15 10 5 0 material sensing distance (mm) white paper stainless plywood cardboard glass sheet black rubber black paper 50 40 30 20 10 0 material sensing distance (mm) white paper stainless plywood cardboard glass sheet black rubber black paper 70 60 50 40 30 20 10 0 material sensing distance (mm) white paper stainless plywood cardboard glass sheet black rubber black paper 20 15 10 5 0 material sensing distance (mm) white paper stainless plywood cardboard glass sheet black rubber black paper 40 30 20 10 0 material sensing distance (mm) white paper stainless plywood cardboard glass sheet black rubber black paper min. 1/3 1/2 2/3 max. adjustment dial angle 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 measurement pattern 2 measurement pattern 1 sensing distance (m)
e3t 13 i/o circuit diagrams npn output pnp output plugs (sensor i/o connectors) model operation mode timing charts output circuit e3t- @@@ 1 light-on e3t- @@@ 2 dark-on light incident light interr u pted operation indicator (orange) o n off o u tp u t transistor load (e.g., relay) operate reset o n off (bet w een b ro w n (1) and b lack (4) leads) 4 3 1 0 v zd through-beam receivers, retroreflective and reflective models operation indicator (orange) stability indicator (green) photo- electric sensor main circuit brown black blue (control output) 12 to 24 vdc load (relay) 50 ma max. through-beam emitters brown 1 3 blue 12 to 24 vdc photo- electric sensor main circuit 1 2 3 4 3 1 2 4 connector pin arrangement note:pin 2 is not used. pins 2 and 4 are not used with through-beam emitters. e-con m12 operation indicator (orange) o n off o u tp u t transistor load (e.g., relay) operate reset o n off (bet w een b ro w n (1) and b lack (4) leads) light incident light interr u pted model operation mode timing charts output circuit e3t- @@@ 3 light-on e3t- @@@ 4 dark-on operation indicator (orange) o n off o u tp u t transistor load (e.g., relay) operate reset o n off (bet w een b l u e (3) and b lack (4) leads) light incident light interr u pted 1 3 4 1 3 zd through-beam receivers, retroreflective and reflective models through-beam emitters operation indicator (orange) stability indicator (green) photo- electric sensor main circuit photo- electric sensor main circuit brown blue 12 to 24 vdc 50 ma max. brown black blue 12 to 24 vd c load (relay) 0 v (control output) 1 2 3 4 3 1 2 4 connector pin arrangemen t note:pin 2 is not used. pins 2 and 4 are not used with through-beam emitters. e-con m12 operation indicator (orange) o n off o u tp u t transistor load (e.g., relay) operate reset o n off (bet w een b l u e (3) and b lack (4) leads) light incident light interr u pted note: pin 2 is not used. classification wire color connector pin no. application dc brown 1 power supply (+v) white 2 --- blue 3 power supply (0 v) black 4 output 1 2 3 4 15.8 e39-econ @ m 1 2 3 4 4 3 1 2 e39-econw @ m 2 4 13 1 2 3 4 brown blue white black wire color xs5f-d421-d80-a xs5f-d421-g80-a m12 connector e-con
e3t 14 safety precautions refer to warranty and limitations of liability . this product is not designed or rated for ensuring safety of persons. do not use it for such purpose. do not apply ac power to the e3t, otherwise the e3t may rupture. do not use the product in atmospher es or environments that exceed product ratings. wiring the maximum power supply voltage is 24 vdc +10%. before turning the power on, make sure that the power supply voltage is not more than maximum voltage. load short-circuit protection the e3t incorporates a load short- circuit protection function. if the load short-circuits, the output of the e3t will be turned off. then, recheck the wiring and turn on the e3t again to reset the load short- circuit protection function. the l oad short-circuit pr otection function will work if there is a current flow that is 1.5 times larger than the rated load current. when using a capacitanc e load, be sure that the inrush current will not exceed 1.5 times larger than the rated current. mounting when mounting the sensor, never strike it with a heavy object, such as a hammer. doing so may reduce its watertight properties. use m2 screws and flat or spring was hers to secure the sensor. (tightening torque: 0.15 nm max.) mounting the sensor on moving parts consider models that use break resistant cables (e.g., robotics cables) if the sensor will be mounted on a moving part, such as a robot hand. the flexing resistance of robotics cable at approximately 400 thousand times is far superior to that of standard cable at approximately 14 thousand times. cable bending rupture test (tough cable breaking test) the cable is repeatedly bent with power supplied to check the number of bends until the current is turned off. adjusting indicators ? the following graphs indicate the status of each operating level. ? be sure to use the e3t within the stable operating range. use of e39-e10 sensitivity adjustment unit (dark-on: e3t-st12) 1. mount the unit on the receiver. 2. set the adjuster of the sensitivity adjustment unit to max. (before shipping: max.) 3. after mounting on the sensor, adjus t the optical axis and secure the sensor. 4. place a workpiece between the emitter and receiver and gradually turn the adjuster counterclockwis e toward the min. side. stop turning the adjuster when the operation indicator and stability indicator (green) turn on. 5. remove the workpiece and confirm that the operation indicator is off and the stability indicator (green) is on. this completes the adjustment. note: if the light attenuation rate due to a workpiece is 40% or less, the stability indicator will not turn on whether or not light is received. when the variation of light is small such as when sensing semi-transparent workpieces, carefully perform preliminary testing. others do not install the e3t in the following locations. ? locations subject to excessive dust or dirt ? locations subject to direct sunlight ? locations subject to corrosive gas ? locations subject to cont act with organic solvents ? locations subject to vibration and shock ? locations subject to contact wi th water, oil, or chemicals ? locations subject to high humidi ties that might result in condensation warning precautions for correct use specimen standard cable 2.4-mm dia. (7/0.127-mm dia.), 3 conductors robotics cable 2.4-mm dia. (20/0.08-mm dia.), 3 conductors test con- tents/ condi- tions bending angle ( ) 90 each to the left and right bending speed 50 times/min load 200 g operation per bend once in 1 to 3 in the diagram curvature radius of support point (r) 5 mm result approx. 14,000 times approx. 400,000 times weight r a c b stable operation range * unstable operation range * stable operation range * operating level x 1.2 operating level operating level x 0.8 light on on on on off off off stability indicator (green) operation indicator (orange) e3t- @@@ 1 e3t- @@@ 3 e3t- @@@ 2 e3t- @@@ 4 *if the e3t fs operating level is set to the stable operation range, the e3t will be in most reliable operation without being influenced by temperature change, voltage fluctuation, dust, or setting change. if the operating level cannot be set to the stable operation range, pay attention to environmen- tal changes while operating the e3t. indicator adjuster (at min) (at center) (at max.)
e3t 15 dimensions sensors (unit: mm) tolerance class it16 applies to dimensions in this datasheet unless otherwise specified. 2-m2 9 0.2 7 7.7 2.7 9 3.8 3.9 2.2 4.8 9.5 9 . 5 14.6 1 4 . 6 2.4-dia. vinyl-insulated round cable with 2 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m two, 2.2 dia. emitter (1.3 dia.) mounting holes through-beam models (side-view) e3t-st1 @ (emitter) e3t-st2 @ (emitter) emitter: e3t-st @@ -l receiver: e3t-st @@ -d m12 smartclick pre-wi red connector model (e3t-st @@ -m1tj) 44.7 m12 4 3 1 2 2.4-dia. vinyl-insulated round cable with 2 or 3 conductors standard length: 0.3 m e-con pre-wired connector model (e3t-st @@ -econ) 1 15 2 3 4 5.9 15.6 2.4-dia. vinyl-insulated round cable with 3 conductors standard lengths: 0.3 m and 2 m termi- nal no. specifica- tions 1+v 2 --- 30 v 4 output (receiver only) * refer to mounting the sensor on moving parts on page 14 for details on robotics cable models. 2. 4-dia. vinyl-insulat ed round cable wit h 3 conduct ors (conduct or cross sect ion: 0. 1 mm2 (awg27), i nsulat or diamet er: 0. 7 mm), st andard lengt h: 2 m 2-m2 9 0.2 7 7 7.7 2.7 9 3.8 3.9 2.2 4.8 9.5 9 . 5 operation indicator 14.6 1 4 . 6 two, 2.2 dia. receiver (1.3 dia.) stability indicator 2-m2 mounting holes e3t-st1 @ (receiver) e3t-st2 @ (receiver) emitter (1.3 dia.) 3.5 3 . 5 1.75 1.75 4.4 8 12 1 2 14 3.2 8.6 15.8 1 5 . 8 2.4-dia. vinyl-insulated round cable with 2 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m two, 2.2 dia. 8 0.2 mounting holes 2-m2 through-beam models (flat) e3t-ft1 @ (emitter) e3t-ft2 @ (emitter) emitter: e3t-ft @@ -l receiver: e3t-ft @@ -d e3t-ft1 @ (receiver) e3t-ft2 @ (receiver) operation indicator 14 3.2 1.75 4.4 8 3.5 3 . 5 3.5 3 . 5 8.6 15.8 1 5 . 8 12 1 2 lens (1.3 dia.) two, 2.2 dia. 2.4-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m stability indicator 8 0.2 mounting holes 2-m2
e3t 16 2-m2 9.2 15 4.5 3.8 3.9 6.3 11 1 1 15 0.2 operation indicator 3.7 7 20.6 2 0 . 6 2-m2 mounting holes 2.4-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m lens (2.0 dia.) two, 2.2 dia. stability indicator 1.75 retro-reflective models (side-view) e3t-sr4 @ m12 smartclick pre-wi red connector model (e3t-sr @@ -m1tj/e3t- sl@@ -m1tj/ e3t- fd@@ -m1tj) 44.7 m12 4 3 1 2 2.4-dia. vinyl-insulated round cable with 2 or 3 conductors standard length: 0.3 m e-con pre-wired connector (e3t-sr @@ -econ/e3t- sl@@ -econ/ e3t- fd@@ -econ) 1 15 2 3 4 5.9 15.6 2.4-dia. vinyl-insulated round cable with 3 conductors standard lengths: 0.3 m and 2 m terminal no. specifi- cations 1+v 2--- 30 v 4 output * refer to mounting the sensor on moving parts on page 14 for details on robotics cable models. 7 9.2 15 4 5 3.8 3.9 6.3 11 1 1 operation indicator 3.7 20.6 2 0 . 6 2.4-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m emitter lens (1.5 dia.) receiver lens (2.0 dia.) two, 2.2 dia. stability indicator 15 0.2 2-m2 mounting holes 2-m2 convergent-reflective models (side-view) e3t-sl1 @ e3t-sl2 @ 20.8 2 0 . 8 12 1 2 3.5 3 . 5 1.75 13.4 4.4 8 4 operation indicator 19 20.8 3.2 2.4-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m stability indicator receiver lens (2.0 dia.) two, 2.2 dia. emitter lens (4.0 dia.) 8 0.2 mounting holes 2-m2 diffuse-reflective models (flat) e3t-fd1 @
e3t 17 accessories 12 1 2 3.5 3 . 5 1.75 19 3.2 4.4 8 6 7.4 operation indicator 20.8 2 0 . 8 receiver lens (2.8 square) emitter lens (1.5 dia.) two, 2.2 dia. 2.4-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.1 mm2 (awg27), insulator diameter: 0.7 mm), standard length: 2 m stability indicator 8 0.2 m ount i ng h o l es 2-m2 44.7 m12 4 3 1 2 2.4-dia. vinyl-insulated round cable with 2 or 3 conductors standard length: 0.3 m * refer to mounting the sensor on moving parts on page 14 for details on robotics cable models. e-con pre-wired connector (e3t-fl @@ -econ) termi- nal no. specifi- cations 1 +v 2 --- 3 0 v 4 output 1 15 2 3 4 5.9 15.6 2.4-dia. vinyl-insulated round cable with 3 conductors standard lengths: 0.3 m and 2 m bgs models (flat) e3t-fl1 @ e3t-fl2 @ m12 smartclick pre-wi red connector model (e3t-fl @@ -m1tj) 13.7 9.7 8.7 23 19 18 1.4 4.9 4 4 two, 2.2 dia. reflector (provide d with e3t-sr4 @ ) e39-r4 material, reflective surface: acrylic rear surface: abs 10.2 8.7 (1.1) 13.7 13.7 18.3 23 18.3 23 two, r1.55 mounting bracket reflector reflective surface: acrylic mounting bracket: t 0.5 reflector: t 0.5 (adhesive tape side) two, 3.1 dia. reflector (provide d with e3t-sr4 @ -s) e39-r37-ca material: mounting plate: stainless steel (sus301) reflective surface: acrylic note: the reflective plate and mounting plate (1) come as a set.
e3t 18 accessories (order separately) slit for e3t-st @@ through-beam models e39-s63 slit for e3t-ft @@ through-beam models e39-s64 sensitivity adjustment unit (for e3t-st1 @ through-beam models) e39-e10 2.7 2.7 notch 12.6 9.7 1.0 0.05 dia. 7.4 0.5 0.05 dia. two, 2.2 dia. with slit attachment note: align the notch direction of the slit when installing on the emitter and receiver. material: 0.2-mm thick stainless steel (sus301) 12.3 12 0.5 dia. 1 dia. (4.1) with slit attachment material: 0.1-mm-thick stainless steel (sus301) 2 dia. optical axis adjuster 90 7.4 4 18.7 9.7 5.8 (10.1) (15.1) with slit attachment material: stainless steel (sus301) with mounting bracket (example: e3t-st11) 7.5 (17.8) 4.1 2-3.4 (two, r2) (two, r2) (two, r1.1) (two, r1.2) (two, r1.7) 5 1.6 4 11 9.5 2.2 31.2 1.2 2.4 10 90 r1.5 max. (four, r2) three, m2 20.5 15 3 9 7 31 24.5 31.2 tw o, m 2 14 9.7 (10.3 ) 17.8 6.2 7.7 mounting brackets fo r side-view models e39-l116 material: 1.2-mm-thick stainless steel (sus304)
e3t 19 23 20.5 15 3 9 7 two, m2 14 (10.3) 11.2 7.7 3.1 3.1 18 11.5 11.2 3.4 4.5 2-r2 (two, r1.7) (two, r1.7) 90 r1 max. 2.4 (23) 15 9 4 9 2-2.2 5 5 10 (11.2) (two, r1.1) (two, r2) 10.2 16.3 11.2 6.2 (four, r2) three, m2 1.2 with mounting bracket (example: e3t-st11) mounting brackets for side-view models e39-l117 material: 1.2-mm-thick stainless steel (sus304) 20.5 15 3 9 7 7.7 90 11.5 11.5 22.7 5 2.4 2-2.2 4 9 9 15 4.5 (two, r1.7) 5 3.4 (four, r2) (two, r1.1) (23) 18 11.5 23 16.3 two, m2 14 13.2 (four, r2) three, m2 3.1 3.1 1.2 90 with mounting bracket (example: e3t-st11) mounting brackets for side-view models e39-l118 material: 1.2-mm-thick stainless steel (sus304)
e3t 20 12 16 90 8 four, m2 tapped holes 9 7 3.2 2.4 8 2.4 15 10.5 10.6 97 3.5 two, m2 8 with mounting bracket (example: e3t-ft11) 1.2 mounting brackets for flat models e39-l119 material: 1.2-mm-thick stainless steel (sus304) 12 16 8 four, m2 tapped holes 13.5 6 3.2 2.4 2.4 8 14 22.5 4.2 (5.4) 10.6 (6.4) 13.5 two, m2 8 with mounting bracket (example: e3t-ft11) 1.2 mounting brackets for flat models e39-l120 material: 1.2-mm-thick stainless steel (sus304)
r e a d a n d u n d e r s t a n d t h i s c a t a l o g p l e a s e r e a d a n d u n d e r s t a n d t h i s c a t a l o g b e f o r e p u r c h a s i n g t h e p r o d u c t s . p l e a s e c o n s u l t y o u r o m r o n r e p r e s e n t a t i v e i f y o u h a v e a n y q u e s t i o n s o r c o m m e n t s . w a r r a n t y a n d l i m i t a t i o n s o f l i a b i l i t y w a r r a n t y o m r o n ' s e x c l u s i v e w a r r a n t y i s t h a t t h e p r o d u c t s a r e f r e e f r o m d e f e c t s i n m a t e r i a l s a n d w o r k m a n s h i p f o r a p e r i o d o f o n e y e a r ( o r o t h e r p e r i o d i f s p e c i f i e d ) f r o m d a t e o f s a l e b y o m r o n . o m r o n m a k e s n o w a r r a n t y o r r e p r e s e n t a t i o n , e x p r e s s o r i m p l i e d , r e g a r d i n g n o n - i n f r i n g e m e n t , m e r c h a n t a b i l i t y , o r f i t n e s s f o r p a r t i c u l a r p u r p o s e o f t h e p r o d u c t s . a n y b u y e r o r u s e r a c k n o w l e d g e s t h a t t h e b u y e r o r u s e r a l o n e h a s d e t e r m i n e d t h a t t h e p r o d u c t s w i l l s u i t a b l y m e e t t h e r e q u i r e m e n t s o f t h e i r i n t e n d e d u s e . o m r o n d i s c l a i m s a l l o t h e r w a r r a n t i e s , e x p r e s s o r i m p l i e d . l i m i t a t i o n s o f l i a b i l i t y o m r o n s h a l l n o t b e r e s p o n s i b l e f o r s p e c i a l , i n d i r e c t , o r c o n s e q u e n t i a l d a m a g e s , l o s s o f p r o f i t s o r c o m m e r c i a l l o s s i n a n y w a y c o n n e c t e d w i t h t h e p r o d u c t s , w h e t h e r s u c h c l a i m i s b a s e d o n c o n t r a c t , w a r r a n t y , n e g l i g e n c e , o r s t r i c t l i a b i l i t y . i n n o e v e n t s h a l l t h e r e s p o n s i b i l i t y o f o m r o n f o r a n y a c t e x c e e d t h e i n d i v i d u a l p r i c e o f t h e p r o d u c t o n w h i c h l i a b i l i t y i s a s s e r t e d . i n n o e v e n t s h a l l o m r o n b e r e s p o n s i b l e f o r w a r r a n t y , r e p a i r , o r o t h e r c l a i m s r e g a r d i n g t h e p r o d u c t s u n l e s s o m r o n ' s a n a l y s i s c o n f i r m s t h a t t h e p r o d u c t s w e r e p r o p e r l y h a n d l e d , s t o r e d , i n s t a l l e d , a n d m a i n t a i n e d a n d n o t s u b j e c t t o c o n t a m i n a t i o n , a b u s e , m i s u s e , o r i n a p p r o p r i a t e m o d i f i c a t i o n o r r e p a i r . a p p l i c a t i o n c o n s i d e r a t i o n s s u i t a b i l i t y f o r u s e o m r o n s h a l l n o t b e r e s p o n s i b l e f o r c o n f o r m i t y w i t h a n y s t a n d a r d s , c o d e s , o r r e g u l a t i o n s t h a t a p p l y t o t h e c o m b i n a t i o n o f p r o d u c t s i n t h e c u s t o m e r ' s a p p l i c a t i o n o r u s e o f t h e p r o d u c t s . a t t h e c u s t o m e r ' s r e q u e s t , o m r o n w i l l p r o v i d e a p p l i c a b l e t h i r d p a r t y c e r t i f i c a t i o n d o c u m e n t s i d e n t i f y i n g r a t i n g s a n d l i m i t a t i o n s o f u s e t h a t a p p l y t o t h e p r o d u c t s . t h i s i n f o r m a t i o n b y i t s e l f i s n o t s u f f i c i e n t f o r a c o m p l e t e d e t e r m i n a t i o n o f t h e s u i t a b i l i t y o f t h e p r o d u c t s i n c o m b i n a t i o n w i t h t h e e n d p r o d u c t , machin e , s y s t e m , o r o t h e r a p p l i c a t i o n o r u s e . t h e f o l l o w i n g a r e s o m e e x a m p l e s o f a p p l i c a t i o n s f o r w h i c h p a r t i c u l a r a t t e n t i o n m u s t b e g i v e n . t h i s i s n o t i n t e n d e d t o b e a n e x h a u s t i v e l i s t o f a l l p o s s i b l e u s e s o f t h e p r o d u c t s , n o r i s i t i n t e n d e d t o i m p l y t h a t t h e u s e s l i s t e d m a y b e s u i t a b l e f o r t h e p r o d u c t s : o u t d o o r u s e , u s e s i n v o l v i n g p o t e n t i a l c h e m i c a l c o n t a m i n a t i o n o r e l e c t r i c a l i n t e r f e r e n c e , o r c o n d i t i o n s o r u s e s n o t d e s c r i b e d i n t h i s c a t a l o g . n u c l e a r e n e r g y c o n t r o l s y s t e m s , c o m b u s t i o n s y s t e m s , r a i l r o a d s y s t e m s , a v i a t i o n s y s t e m s , m e d i c a l e q u i p m e n t , a m u s e m e n t m a c h i n e s , v e h i c l e s , s a f e t y e q u i p m e n t , a n d i n s t a l l a t i o n s s u b j e c t t o s e p a r a t e i n d u s t r y o r g o v e r n m e n t r e g u l a t i o n s . s y s t e m s , m a c h i n e s , a n d e q u i p m e n t t h a t c o u l d p r e s e n t a r i s k t o l i f e o r p r o p e r t y . p l e a s e k n o w a n d o b s e r v e a l l p r o h i b i t i o n s o f u s e a p p l i c a b l e t o t h e p r o d u c t s . n e v e r u s e t h e p r o d u c t s f o r a n a p p l i c a t i o n i n v o l v i n g s e r i o u s r i s k t o l i f e o r p r o p e r t y w i t h o u t e n s u r i n g t h a t t h e s y s t e m a s a w h o l e h a s b e e n d e s i g n e d t o a d d r e s s t h e r i s k s , a n d t h a t t h e o m r o n p r o d u c t s a r e p r o p e r l y r a t e d a n d i n s t a l l e d f o r t h e i n t e n d e d u s e w i t h i n t h e o v e r a l l e q u i p m e n t o r s y s t e m . p r o g r a m m a b l e p r o d u c t s o m r o n s h a l l n o t b e r e s p o n s i b l e f o r t h e u s e r ' s p r o g r a m m i n g o f a p r o g r a m m a b l e p r o d u c t , o r a n y c o n s e q u e n c e t h e r e o f . d i s c l a i m e r s c h a n g e i n s p e c i f i c a t i o n s p r o d u c t s p e c i f i c a t i o n s a n d a c c e s s o r i e s m a y b e c h a n g e d a t a n y t i m e b a s e d o n i m p r o v e m e n t s a n d o t h e r r e a s o n s . i t i s o u r p r a c t i c e t o c h a n g e m o d e l n u m b e r s w h e n p u b l i s h e d r a t i n g s o r f e a t u r e s a r e c h a n g e d , o r w h e n s i g n i f i c a n t c o n s t r u c t i o n c h a n g e s a r e m a d e . h o w e v e r , s o m e s p e c i f i c a t i o n s o f t h e p r o d u c t s m a y b e c h a n g e d w i t h o u t a n y n o t i c e . w h e n i n d o u b t , s p e c i a l m o d e l n u m b e r s m a y b e a s s i g n e d t o f i x o r e s t a b l i s h k e y s p e c i f i c a t i o n s f o r y o u r a p p l i c a t i o n o n y o u r r e q u e s t . p l e a s e c o n s u l t w i t h y o u r o m r o n r e p r e s e n t a t i v e a t a n y t i m e t o c o n f i r m a c t u a l s p e c i f i c a t i o n s o f p u r c h a s e d p r o d u c t s . d i m e n s i o n s a n d w e i g h t s d i m e n s i o n s a n d w e i g h t s a r e n o m i n a l a n d a r e n o t t o b e u s e d f o r m a n u f a c t u r i n g p u r p o s e s , e v e n w h e n t o l e r a n c e s a r e s h o w n . p e r f o r m a n c e d a t a perfor m a n c e d a t a g i v e n i n t h i s c a t a l o g i s p r o v i d e d a s a g u i d e f o r t h e u s e r i n d e t e r m i n i n g s u i t a b i l i t y a n d d o e s n o t c o n s t i t u t e a w a r r a n t y . i t m a y r e p r e s e n t t h e r e s u l t o f o m r o n ? s t e s t c o n d i t i o n s , a n d t h e u s e r s m u s t c o r r e l a t e i t t o a c t u a l a p p l i c a t i o n r e q u i r e m e n t s . a c t u a l p e r f o r m a n c e i s s u b j e c t t o t h e o m r o n w a r r a n t y a n d l i m i t a t i o n s o f l i a b i l i t y . e r r o r s a n d o m i s s i o n s t h e i n f o r m a t i o n i n t h i s d o c u m e n t h a s b e e n c a r e f u l l y c h e c k e d a n d i s b e l i e v e d t o b e a c c u r a t e ; h o w e v e r , n o r e s p o n s i b i l i t y i s a s s u m e d f o r c l e r i c a l , t y p o g r a p h i c a l , o r p r o o f r e a d i n g e r r o r s , o r o m i s s i o n s . 2009 . 5 i n t h e i n t e r e s t o f p r o d u c t i m p r o v e m e n t , s p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e w i t h o u t n o t i c e . o m r o n c o r p o r a t i o n i n d u s t r i a l a u t o m a t i o n c o m p a n y h t t p : / / w w w . i a . o m r o n . c o m / ( c ) c o p y r i g h t o m r o n c o r p o r a t i o n 2 0 0 9 a l l r i g h t r e s e r v e d .

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