1 csm_e2k-c_ds_e_4_2 long-distance type e2k-c long-distance capacitive sensor with adjustable sensitivity ? ce marking for dc 3-wire models and ac/dc 2-wire models. ? noise-resistant models are also available for environments with strong noise. be sure to read safety precautions on page 7. for the most recent information on models that have been certified for safety standards, refer to your omron website. ordering information sensors [refer to dimensions on page 8.] * adjustable range accessories (order separately) mounting brackets a mounting bracket is provided. [refer to dimensions on page 8.] appearance sensing distance model output configuration operation mode no nc standard models dc 3-wire, npn e2k-c25me1 2m e2k-c25me2 2m dc 3-wire, pnp e2k-c25mf1 2m e2k-c25mf2 2m ac 2-wire e2k-c25my1 2m e2k-c25my2 2m noise-resistant models dc 3-wire, npn e2k-c20mc1 2m e2k-c20mc2 2m ac/dc 2-wire e2k-c20mt1 2m e2k-c20mt2 2m 34 dia. unshielded 25 mm [3 to 25 mm * ] 20 mm [3 to 20 mm * ] appearance model quantity remarks y92e-a34 1 provided with the product.
2 e2k-c ratings and specifications standard models * the set distances are sensing distances applicable to standard sensing objects. refer to engineering data on page 4 for other materials. item model e2k-c25m @ 1 e2k-c25m @ 2 e2k-c25my1 e2k-c25my2 sensing distance * 25 mm sensing distance adjustable range 3 to 25 mm detectable object conductors and dielectrics standard sensing object grounded metal plate: 50 50 1 mm differential travel 15% max. of sensing sensing distance (when adjusted to 25 mm 10% with standard sensing object) response frequency 70 hz 10 hz power supply voltage (operating voltage range) 12 to 24 vdc (10 to 40 vdc), ripple (p-p): 10% max. 100 to 220 vac (90 to 250 vac), 50/60 hz current consumption e and f models: 10 ma max. at 12 vdc, 16 ma max. at 24 vdc leakage current y models: 1 ma max. at 100 vac (50/60 hz) with output tu rned off, 2 ma max. at 200 vac (50/60 hz) with output turned off con- trol out- put load current 200 ma max. 5 to 200 ma (resistive load) residual voltage 2 v max. (load current: 200 ma, cable length: 2 m) refer to engineering data on page 4. indicators detection indicator (red) operation indicator (red) operation mode (with sensing object approach- ing) e1, f1, and y1 models: no e2, f2, and y2 models: nc protection circuits reverse polarity protection, su rge suppressor surge suppressor ambient temper- ature range operating/storage: ? 25 to 70 c (with no icing or condensation) ambient humidity range operating/storage: 35% to 95% (with no condensation) temperature influence 15% max. of sensing distance at 23 c in the temperature range of ? 10 to 55 c 25% max. of sensing distance at 23 c in the temperature range of ? 25 to 70 c voltage influence 2% max. of sensing distance at the rated voltage in rated voltage 15% range 2% max. of sensing distance at the rated voltage in rated voltage +20%, ? 10% range at 100 vac, 20% range at 200 vac insulation resistance 50 m min. (at 500 vdc) between current-carrying parts and case dielectric strength 1,000 vac, 50/60 hz for 1 min between current-carrying parts and case 1,500 vac, 50/60 hz for 1 min between current-carrying parts and case vibration resistance destruction: 10 to 55 hz, 1.5-mm double ampl itude for 2 hours each in x, y, and z directions shock resistance destruction: 500 m/s 2 10 times each in x, y, and z directions degree of protection iec 60529 ip66 connection method pre-wired models (standar d cable length: 2 m) weight (packed state) approx. 200 g mate- rials case heat-resistant abs sensing surface accessories mounting bracket, m4 screws, instruction manual refer to the timing charts under i/o circuit diagrams on page 5 for details.
e2k-c 3 noise-resistant models *1. the set distances are sensing distances applicable to standard sensing objects. refer to engineering data on page 4 for other materials. *2. the response frequency is an average value. *3. only 2-m cables are available. use a cable with a conductor cross section of 0.5 mm 2 or greater to extend the cable. item model e2k-c20mc1 e2k-c20mc2 e2k-c20mt1 e2k-c20mt2 sensing distance * 1 20 mm sensing distance adjustable range 3 to 20 mm detectable object conductors and dielectrics standard sensing object grounded metal plate: 50 50 1 mm differential travel 15% max. of sensing distance (when adjusted to 20 mm 10% with standard sensing object) response frequency * 2 40 hz ac power: 25 hz, dc power: 40 hz power supply voltage (operating voltage range) 12 to 24 vdc (10 to 36 vdc), ripple (p-p): 10% max. 24 to 240 vac (20 to 250 vac), 50/60 hz; 24 to 240 vdc (20 to 250 vdc) current consumption 13 ma max. at 24 vdc --- leakage current --- 1.5 ma max. at 24 vdc, 1.7 ma max. at 110 vac (50/60 hz), 2.5 ma max. at 250 vac (50/60 hz) refer to engineering data on page 4. con- trol out- put load current 250 ma max. 5 to 200 ma (resistive load) residual voltage 2.5 v max. (load current: 250 ma, cable length: 2 m) ac power: 10 v max., dc power: 8 v max. refer to engineering data on page 4. indicators operation indicator (yellow) operation mode (with sensing ob- ject approach- ing) c1/t1 models: no c2/t2 models: nc protection circuits reverse polarity protection, l oad short-circuit protection --- ambient temper- ature range operating/storage: ? 25 to 70 c (with no icing or condensation) ambient humidity range operating/storage: 35% to 95% (with no condensation) temperature influence 15% max. of sensing distance at 23 c in the temperature range of ? 10 to 55 c 25% max. of sensing distance at 23 c in the temperature range of ? 25 to 70 c voltage influence 2% max. of sensing distance at the rated voltage in rated voltage 15% range insulation resistance 50 m min. (at 500 vdc) between current-carrying parts and case dielectric strength 1,000 vac, 50/60 hz for 1 min between current-carrying parts and case 1,500 vac, 50/60 hz for 1 min between current-carrying parts and case vibration resistance destruction: 10 to 55 hz, 1.5-mm double amplitude for 2 hours each in x, y, and z directions shock resistance destruction: 500 m/s 2 10 times each in x, y, and z directions degree of protection iec 60529 ip65 connection method * 3 pre-wired models (standard cable length: 2 m) weight (packed state) approx. 240 g mate- rials case pbt sensing surface accessories mounting bracket, m4 screws, instruction manual refer to the timing charts under i/o circuit diagrams on page 5 for details.
4 e2k-c engineering data (reference value) common mode continuous noise sensing distance change by sensing object e2k-c20m e2k-c25m @@ e2k-c20m @@ residual output vo ltage leakage current e2k-c25my at 100 vac e2k-c25my at 200 vac e2k-c25my e2k-c20mt at 100 vac e2k-c20mt at 200 vac e2k-c20mt 10 1 0 20 40 60 100 8 0 160 140 120 1000 100 e2k-c20m fre qu ency (khz) omro n prod u ct (e2k-c25m) n oise v oltage ( v p-p) 10 15 20 25 0 5 distance x (mm) standard sensing object (50 50 t1) 500 ml milk (pure water) flour sugar salt phenolic resin (50 50 50) neoprene rubber (50 50 t5) glass (200 50 t3) lavan plate (160 120 t15) resin pellet (duracon) 0 5 10 15 20 25 distance x (mm) s tandard sensing object (50 50 t1) 5 00 ml milk (pure water) flour sugar salt phenolic resin (50 50 50) neoprene rubber (200 50 t3) glass (200 50 t3) lavan plate (160 120 t15) resin pellet (duracon) 20 30 40 50 60 70 80 90 100 1 0 10 200 100 50 10 5 off 100 vac a on v residual output voltage residual load voltage load load current (ma) load voltage (v) 1 0 50 100 150 200 200 100 50 10 5 off 200 vac a on v load voltage (v) load residual load voltage residual output voltage load current (ma) 80 0 0.5 1.0 1.5 2.0 2.5 3.0 260 240 220 200 180 160 140 120 100 a v power supply voltage (v ) off leakage current (ma) 1 0 10 20 30 40 50 60 70 80 90 100 250 200 100 50 510 off 100 vac on v a load current (ma) load residual output voltage residual load voltage load voltage (v) 0 50 100 150 200 1 off 250 200 100 50 510 200 vac on v a load residual output voltage load current (ma) residual load voltage load voltage (v) 50 20 0 0.5 1.0 1.5 2.0 2.5 250 200 150 100 a v power supply voltage (v) ac power off dc power leakage current (ma)
e2k-c 5 i/o circuit diagrams dc 3-wire models (npn) dc 3-wire models (pnp) sensing area (grounded metal plate) sensing object size vs. sensing distance sensing area e2k-c25m @@ e2k-c25m @@ e2k-c20m @@ operation mode model timing chart output circuit no e2k-c25me1 nc e2k-c25me2 no e2k-c20mc1 nc e2k-c20mc2 operation mode model timing chart output circuit no e2k-c25mf1 nc e2k-c25mf2 5 0 10 15 5 0 ? 510 ? 10 15 ? 15 20 ? 20 25 ? 25 5 mm 10 mm 15 mm 20 mm 25 mm 20 25 30 x sensing head standard sensing object sensitivity adjustment sensing head distance y (mm) distance x (mm) 20 10 0 5 10 15 20 25 30 x 100 90 80 70 60 50 40 30 side length of sensing object (mm) grounded metal plate ungrounded metal plate (1 t) phenolic resin plate (6 t) square sensing object distance x (mm) 0 5 10 15 ? 15 ? 20 20 30 25 35 5 010 ? 515 ? 10 20 y x sensing head standard sensing object distance y (mm) sensing head sensing distance x (mm) present not present operate reset high low on off load (between brown and black leads) output voltage (between black and blue leads) detection indicator (red) sensing object tr 0 v +v 4.4 k proximity sensor main circuit load brown black *1 output *2 blue *1. load current: 200 ma max. *2. when a transistor is connected. present not present operate reset high low on off load (between brown and black leads) output voltage (between black and blue leads) detection indicator (red) sensing object sensing object (between brown and black leads) operation indicator (yellow) load present not present operate reset on off 12 to 24 vdc 0 v * * load current: 250 ma max. proximity sensor main circuit load brown blue black sensing object operation indicator (yellow) load present not present operate reset on off (between brown and black leads) present not present operate reset high low on off load (between blue and black leads) output voltage (between black and brown leads) detection indicator (red) sensing object tr 0 v +v 4.7 k proximity sensor main circuit load brown black *1 *2 blue *1. load current: 200 ma max. *2. when a transistor is connected. present not present operate reset high low on off load (between blue and black leads) output voltage (between black and brown leads) detection indicator (red) sensing object
6 e2k-c ac 2-wire models ac/dc 2-wire models operation mode model timing chart output circuit no e2k-c25my1 nc e2k-c25my2 operation mode model timing chart output circuit no e2k-c20mt1 nc e2k-c20mt2 present not present operate reset on off load operation indicator (red) sensing object brown blue load proximity sensor main circuit present not present operate reset on off load operation indicator (red) sensing object sensing object operation indicator (yellow) load present not present operate reset on off 24 to 240 vac 24 to 240 vdc 0 v brown* blue load * load current: 200 ma max. proximity sensor main circuit present not present operate reset on off load operation indicator (yellow) sensing object
e2k-c 7 safety precautions refer to warranty and limitations of liability . this product is not designed or rated for ensuring safety of persons either directly or indirectly. do not use it for such purposes. do not use this product under ambi ent conditions that exceed the ratings. design influence of surrounding metal when mounting a proximity sensor, be sure to provide a distance of 80 mm min. from surrounding metal objects to prevent the sensor from being affected by metal objec ts other than the sensing object. when mounting the sensor with the l-shaped mounting bracket, be sure to provide a distance of 20 mm min. between the face of the sensing head and the mounting bracket. mutual interference when installing sensors fa ce-to-face or side-by-s ide, ensure that the minimum distances given in the following table are maintained. mutual interference (unit: mm) effects of a high-freque ncy electromagnetic field the e2k-c may malfunction if ther e is an ultrasonic washer, high- frequency generator, transceiver, portable telephone or inverter nearby. for major measures, refer to noise of warranty and limitations of liability for photoelectric sensors. sensing objects ? sensing object material the e2k-c can detect almost any type of object. the sensing distance of the e2k-c, however, w ill vary with the electrical characteristics of the object, such as the conductance and inductance of the object, and the wa ter content and capacity of the object. the maximum sensing di stance of the e2k-c will be obtained if the object is made of grounded metal. ? indirect detection to detect objects in metal contai ners, each metal container must have a nonmetallic window. power on conditions sensing is enabled within 200 ms for the e2k-c20m @@ . design the system so that the power for the sensor is turned on before the power for the load. miscellaneous organic solvents the sensor has a case made of heat-resistant abs resin or pbt resin. be sure that the case is fr ee from organic solvents or solutions containing organic solvents. warning precautions for correct use dimension a b model e2k-c25m @@ 100 100 e2k-c20m @@ 105 20 mm min. 80 mm min. 80 mm min. 80 mm min. 80 mm min. metal be sure to ground. sensing surface surrounding conductive objects surrounding conductive objects b a face-to-face mounting parallel mounting
8 e2k-c dimensions sensors accessories (order separately) e2k-c25m @@ e2k-c20m @@ (unit: mm) tolerance class it16 applies to dimensions in this data sheet unless otherwise specified. 20 34 dia. 82 7 13 + - cap cable clamp screw hole for sensitivity adjustment indicator* e models: 6-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.5 mm 2 , insulator diameter: 1.9 mm), standard length: 2 m y models: 6-dia. vinyl-insulated round cable with 2 conductors (conductor cross section: 0.5 mm 2 , insulator diameter: 1.9 mm), standard length: 2 m * e and f models: detection indicator (red) y models: operation indicator (red) 81 18 9 34 dia. c models: 5.5-dia. vinyl-insulated round cable with 3 conductors (conductor cross section: 0.5 mm 2 , insulator diameter: 1.5 mm), standard length: 2 m t models: 5.5-dia. vinyl-insulated round cable with 2 conductors (conductor cross section: 0.5 mm 2 , insulator diameter: 1.5 mm), standard length: 2 m sensitivity adjuster operation indicator (yellow) mounting bracket (accessory) y92e-a34 material: polyacetal note: provided with the product. 42 r2.6 5.2 43 45 54.4 6.3 15 23.5 2 35 30 14 51 57.6 45 30 6 35 e2k with mounting bracket attached * the holes are not drilled completely through. drill through the holes before using them. sensor mounting hole two, 5.5-dia. mounting holes* two elliptic holes for bracket mounting two, m4 sensor clamping screws
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 , m a c h i n 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 p e r f o r 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 . 2 0 1 2 . 8 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 1 2 a l l r i g h t r e s e r v e d .
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