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1 E3ZM-V print mark detection photoel ectric sensor in compac t stainless steel housing E3ZM-V the detergent resistant photoelectric sensor in a robust stainless steel housing provides reliable detection of all common print marks in packaging applications. ? white led for stable detection of differently colored print marks ? sus 316l stainless steel housing ? easy-to-use teach-in button or remote dynamic teach ? fast response time of 50 s features features reliable print mark detecti on within omron?s most popular e3z sensor family the E3ZM-V provides reliable print mark detection in the compact sized e3z housing. for packaging machine makers the e3z family offers a complete sensor platform with one moun ting concept simplifying installation and machine design. ? space-saving design with an sus316l housing the compact design reduces volume by 90% compared to conventional mark sensors. ? coaxial optical system the coaxial optical system ensure s stable detection of print marks on uneven surfaces. convention a l m a rk s en s or s ize e 3 zm-v only 10 % the vol u me! e 3 zm s t a nd a rd s ize s tr a ight s en s ing o b ject rgb light-receiving element h a lf mirror white led len s s en s ing o b ject (with reg u l a r reflection) inclined s en s ing o b ject rgb light-receiving element h a lf mirror white led len s s en s ing o b ject (with reg u l a r reflection)
2 photoelectric sensor water and detergent resistance the housing is constructed of corrosion-resistant sus316l, and the display cover is pes (polyethersulfone). both materials are highly resistant to the corrosive effects of detergents and disinfectants. the ip69k tight housing construction ensures long sensor lifetime in often cl eaned environments. reliable detection of differently color ed print marks due to rgb signal processing ? rgb signal processing the white led and rgb signal processing ensure the stable detection of differently colored print marks. the processing algorithm provides a fast response time of 50 s. ? easy setting with 2-point or automatic teaching 2-point teaching (manual) simply aim the beam spot at the mark portion and background portion, and press the teaching button. automatic teaching (remote) send a pulse to the remote control input and have the mark pass by six times for automatic teaching. sa me d u r ab ility as the e 3 zm white led rgb light-receiving element p a tent pending
3 E3ZM-V ordering information sensor accessories sensor i/o connectors note 1: the outer cover of the cable is made of pvc (polyvinyl chloride), the nut is sus316l, and the degree of protection is ip 67. when high-pressure washing will be used, select an i/o connector that has ip69k degree of protection. note 2: for detergent resistant cable connectors with stainless st eel nuts see accessory datasheet e26e or contact your omron re presentative mounting brackets sensing method appearance connection method sensing distance model npn output pnp output mark sensor (diffuse reflective) pre-wired (2 m) *1 *1. a deviation of 2 mm (typical value) can be handled for combinations of white, yellow, and black. refer to page 5 for the de tection capability for other color com- binations. E3ZM-V61 2m E3ZM-V81 2m connector (m8, 4 pins) E3ZM-V66 E3ZM-V86 white light 122 mm size cable appearance cable type model m8 (4 pins) standard straight 2 m 4-wire xs3f-e421-402-a 5 m xs3f-e421-405-a l-shaped 2 m xs3f-e422-402-a 5 m xs3f-e422-405-a appearance model (material) quantity remarks appearance model (metal material) quantity remarks e39-l153 (sus304) 1 mounting brackets e39-l98 (sus304) 1 protective cover bracket *1 e39-l104 (sus304) 1 e39-l150 (sus304) 1 set (sensor adjuster) easily mounted to the aluminum frame rails of conveyors and easily adjusted. for vertical angle adjustment e39-l43 (sus304) 1 horizontal mounting bracket *1 e39-l151 (sus304) 1 set e39-l142 (sus304) 1 horizontal protective cover bracket *1 e39-l44 (sus304) 1 rear mounting bracket e39-l144 (sus304) 1 set compact protective cover bracket *1 *1. cannot be used for standard connector models.
4 photoelectric sensor ratings and specifications standard sensing object for the mark sensor sensing method diffuse reflective (mark detection) model npn output E3ZM-V61/-v66 item pnp output E3ZM-V81/-v86 sensing distance 12 2 mm *1 *1. a deviation of 2 mm (typical value) can be handled for combinations of white, yellow, and black. refer to page 5 for the de tection capabilities for other colors. sensing range depends on the combination of colors. refer to engineering data on page 5 for details. spot diameter 2-mm dia. max. light source (wavelength) white led (450 to 700 nm) power supply voltage 10 to 30 vdc, including 10% ripple (p-p) power consumption 600 mw max. (current consumption for a 30-v power supply voltage: 20 ma max.) control output load power supply voltage: 30 vdc max., load current: 100 ma max. (residual voltage: 2 v max.) open-collector output (npn/pnp output depending on model) remote control input npn output on: short-circuit to 0 v, or 1.5 v max. (source current: 1 ma max.) npn output off:open or vcc 1.5 v to vcc (leakage current: 0.1 ma max.) pnp output on: vcc 1.5 v to vcc (sink current: 1 ma max.) pnp output off: open or 1.5 v max. (leakage current: 0.1 ma max.) operating modes set in the order of the teaching operation. *2 *2. mark sensor output switching: when teaching, s pecify the on color first and the off color second. protection circuits reversed power supply polarity, load shor t-circuit protection, and reversed output polarity protection response time operate or reset: 50 s max. sensitivity adjustment teaching method ambient illumination (receiver side) incandescent lamp: 3,000 lx max., sunlight: 10,000 lx max. ambient temperature range operating: ? 40 to 60c *3, storage: ? 40 to 70c (with no icing or condensation) *3. do not bend the cable in temperatures of -25c or lower. 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 at 50/60 hz for 1 min vibration resistance (destruction) 10 to 55 hz, 1.5-mm double amplitude for 2 h each in x, y, and z directions shock resistance (destruction) 500 m/s 2 for 3 times each in x, y, and z directions degree of protection iec 60529: ip67, din 40050-9: ip69k *4 *4. for connector models ip69k rating is with connector attached. connection method pre-wired cable (stand ard length: 2 m) or m8 4-pin connector indicator operating indicator (yellow), stability indicator (green), and teaching indicator (red) weight (packed state) pre-wired models (2-m cable): approx. 85 g connector models: approx. 35 g materials housing sus316l lens pmma (polymethylmethacrylate) indication pes (polyethersulfone) buttons fluoro rubber cable pvc (polyvinyl chloride) accessories instruction sheet color munsell color notation white n9.5 red 4r 4.5/12.0 yellow-red 4yr 6.0/11.5 yellow 5y 8.5/11.0 yellow-green 3gy 6.5/10.0 green 3g 6.5/9.0 blue-green 5bg 4.5/10.0 blue 3pb 5.0/10.0 (black) (n2.0)
5 E3ZM-V engineering data (typical) color vs. detect ion capability E3ZM-V @@ note: the above chart shows the combinations of colors for which teaching is possible at a sensing distance of 12 mm. detectable ranges E3ZM-V @@ te a ching c a p ab ilitie s white white red yellow- red red yellow- red yellow yellow yellow- green yellow- green green green bl u e- green bl u e- green bl u e bl u e bl a ck bl a ck bl a ck red yellow- red yellow yellow- green green bl u e- green bl u e 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 te a ching di s t a nce: 12 mm b a ckgro u nd color: white detect ab le r a nge (mm) 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white yellow- red yellow yellow- green green bl u e- green bl u e detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: red 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white red yellow yellow- green green bl u e- green bl u e detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: yellow-red 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white red yellow- red ye l l o w - green green bl u e- green bl u e detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: yellow 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white red yellow- red yellow green bl u e- green bl u e detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: yellow-green 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white red yellow- red ye l l o w ye l l o w - green bl u e- green bl u e detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: green 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white red yellow- red ye l l o w ye l l o w - green green bl u e detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: bl u e-green 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl a ck white red yellow- red ye l l o w ye l l o w - green green bl u e- green detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: bl u e 14.0 1 3 .5 1 3 .0 12.5 12.0 11.5 11.0 10.5 10.0 bl u e white red yellow- red ye l l o w ye l l o w - green green bl u e- green detect ab le r a nge (mm) te a ching di s t a nce: 12 mm b a ckgro u nd color: bl a ck
6 photoelectric sensor i/o circuit diagrams npn output pnp output plugs (sensor i/o connectors) m8 4-pin connectors note: the above m8 connectors made by omron are ip67. do not use them in an enviornment where ip69k is required. excess gain vs. distance E3ZM-V @@ angle vs. incident characteristics E3ZM-V @@ E3ZM-V @@ model timing charts output circut E3ZM-V61 E3ZM-V66 model timing charts output circut E3ZM-V81 E3ZM-V86 10 11 12 1 3 14 100 8 0 60 40 20 incident light ( % ) di s t a nce (mm) 0 120 incident light ( % ) ? 20 ? 15 ? 10 ? 5 0 5 10 15 20 angle ( ) 100 8 0 60 40 20 0 te a ching on for white a nd off for b l a ck a t 12 mm 12 mm 100 8 0 60 40 20 0 te a ching on for white a nd off for b l a ck a t 12 mm 12 mm incident light ( % ) ? 20 ? 15 ? 10 ? 5 0 5 10 15 20 angle ( ) color t au ght 2nd between b rown (1) a nd b l a ck (4) le a d s color t au ght 1 s t color t au ght 2nd color t au ght 1 s t on off on off oper a te re s et s en s ing o b ject oper a tion indic a tor (yellow) o u tp u t tr a n s i s tor lo a d (e.g., rel a y) control o u tp u t remote control inp u t 1 2 4 3 1 2 4 3 10 to 3 0 vdc brown bl a ck bl u e pink oper a tion indic a tor (yellow) s t ab ility indic a tor (green) te a ching indic a tor (red) m 8 connector pin arr a ngement photo- electric s en s or m a in circ u it lo a d color t au ght 2nd between b l u e ( 3 ) a nd b l a ck (4) le a d s color t au ght 1 s t color t au ght 2nd color t au ght 1 s t s en s ing o b ject oper a tion indic a tor (yellow) o u tp u t tr a n s i s tor lo a d (e.g., rel a y) on off on off oper a te re s et control o u tp u t remote control inp u t 1 4 2 3 m 8 connector pin arr a ngement 1 2 4 3 10 to 3 0 vdc brown bl a ck bl u e pink oper a tion indic a tor (yellow) s t ab ility indic a tor (green) te a ching indic a tor (red) photo- electric s en s or m a in circ u it lo a d 2 4 1 3 1 2 3 4 brown white bl u e bl a ck wire color x s3 f-e421-402-a x s3 f-e421-405-a x s3 f-e422-402-a x s3 f-e422-405-a classification wire color connector pin no. application dc brown 1 power supply (+v) white 2 remote control input blue 3 power supply (0 v) black 4 output
7 E3ZM-V nomenclature teaching models safety precautions refer to warranty and limitations of liability on page 12. this product is not designed or rated for directly or indirectly ensuring safety of persons. do not use it for such a purpose. do not use the product with voltage in excess of the rated voltage. excess voltage may result in malfunction or fire. never use the product with an ac power supply. otherwise, explosion may result. when cleaning the product, do not apply a high- pressure spray of water to one part of the product. otherwise, parts may become damaged and the degree of protection may be degraded. the following precautions must be observed to ensure safe operation of the sensor. operating environment do not use the sensor in an env ironment where explosive or flammable gas is present. connecting connectors be sure to hold the connector cover when inserting or remov- ing the connector. when using an xs3f connector, be sure to tighten the con- nector lock by hand; do not use pliers or other tools. if the tightening is insufficient , the degree of protection will not be maintained and the sensor may become loose due to vibration. the appropriate tighte ning torque is 0.3 to 0.4 nm. when using another, commercially available connector, follow the usage and tightening torque instructions provided by the manufacturer. load do not use a load that exceeds the rated load. low-temperature environments do not touch the metal surface with your bare hands when the temperature is low. touching th e surface may result in a cold burn. oily environments do not use the sensor in oily environments. they may dam- age parts and reduce the degree of protection. modifications do not attempt to disassemble, repair, or modify the sensor. outdoor use do not use the sensor in locati ons subject to direct sunlight. cleaing do not use thinner, alcohol, or other organic solvents. otherwise, the optical properties and degree of protection may be degraded. cleaning do not use highly concentrated cleaning agents. otherwise, malfunction may result. also, do not use high-pressure water with a level of pressure that exceeds the stipulated level. otherwise, the degree of pr otection may be reduced. surface temperature burn injury may occur. the sensor surface temperature rises depending on application conditions, such as the ambient temperature and the power supp ly voltage. use caution when operating or performing maintenance on the sensor. cable bending do not bend the cable in temperatures of ? 25 c or below. oth- erwise, the cable may be damaged. s t ab ility indic a tor (green) te a ching indic a tor (red) oper a tion indic a tor (yellow) te a ching bu tton warning caution precautions for safe use
8 photoelectric sensor do not use the sensor in any atmosphere or environment that exceeds the ratings. do not install the sensor in the following locations. (1)locations subject to direct sunlight (2)locations subject to condensation due to high humidity (3)locations subject to corrosive gas (4)locations where the sensor may receive direct vibration or shock connecting and mounting (1)the maximum power supply voltage is 30 vdc. before turning the power on, make sure that the power supply voltage does not exceed the maximum voltage. (2)laying sensor wiring in the same conduit or duct as high- voltage wires or power lines may result in malfunction or damage due to induction. as a general rule, wire the sen- sor in a separate conduit or use shielded cable. (3)use an extension cable with a minimum thickness of 0.3 mm 2 and less than 50 m long. (4)do not pull on the cable with excessive force. (5)pounding the photoelectric sensor with a hammer or other tool during mounting will impair water resistance. also, use m3 screws. (6)mount the sensor either using the bracket (sold separately) or on a flat surface. (7)be sure to turn off the power supply before inserting or removing the connector. power supply if a commercial switching regul ator is used, ground the fg (frame ground) terminal. power supply reset time the sensor will be able to detect objects 100 ms after the power supply is tuned on. start using the sensor 100 ms or more after turning on the power supply. if the load and the sensor are connected to separate power supplies, be sure to turn on the sensor first. turning off the power supply output pulses may be generated even when the power supply is off. therefore, it is recommended to first turn off the power supply for the load or the load line. load short-circuit protection this sensor is equipped with l oad short-circuit protection, but be sure to not short circuit the load. be sure to not use an out- put current flow that exceeds t he rated current. if a load short circuit occurs, the output will turn off, so check the wiring before turning on the power supply again. the short-circuit protection circuit will be reset. the load shortcircuit protection will operate when the current fl ow reaches 1.8 times the rated load current. when using a capacitive load, use an inrush current of 1.8 times the rated load current or lower. water resistance do not use the sensor in wa ter, rainfall, or outdoors. when disposing of the sensor, treat it as industrial waste. mounting diagram resistance to detergents, di sinfectants, and chemicals ? the sensor will maintain sufficient performance in typical detergents and disinfectants, but performance may suffer in some types of detergents, disinfectants, and chemicals. refer to the following table prior to use. ? the e3zm has passed deterg ent and disinfectant resis- tance testing for the substances listed in the following ta- ble. use this table as a gui de when considering detergents and disinfectants. note: the sensor was immersed in the above chemicals, detergents, and disinfectants for 240 h at the temperatures given, and then passed an insulation resistance test at 100 mw min. restrictions on sensing objects do not use this sensor if the color and pattern of the back- ground are similar to those of the mark. detection of glossy objects mount the sensor at an angle of 5 to 15, as shown in the fol- lowing diagram. this will improve the mark detection capabil- ity. precautions for correct use type product name concen- tration tempera- ture time chemicals sodium hydroxide, naoh 1.5% 70c 240 h potassium hydroxide, koh 1.5% 70c 240 h phosphoric acid, h 3 po 4 2.5% 70c 240 h sodium hypochlorite, naclo 0.3% 25c 240 h hydrogen peroxide, h 2 o 2 6.5% 25c 240 h alkaline foaming cleansers topax 66s (ecolab) 3.0% 70c 240 h acidic foam- ing cleansers topax 56 (ecolab) 5.0% 70c 240 h disinfectants oxonia active 90 (ecolab) 1.0% 25c 240 h tek121 (abc compounding) 1.1% 25c 240 h u s e a mo u nting tor qu e of 0.5 nm m a x. e 3 9-l104 mo u nting br a cket ( s old s ep a r a tely) s en s ing o b ject s 5 to 15 s en s ing o b ject s 5 to 15
9 E3ZM-V operating procedure two-point teaching using teaching button 1. place the point for which you want the output to go on in the beam spot position. then, press and hold the teachin g button for at least 2 seconds. the teaching indicator (red) will begin flashing quick ly. (this indicates that the output on teaching operation should begin.) perform the following operation within 7 seconds of w hen you start pushing the bu tton. (after 7 seconds, the unit will return to its initial condition.) 2. press the teachi ng button for approx imately 0.5 second. the teaching indi cator (red) will light for approximately 0. 5 second to show th at the output on teaching is completed. the teaching indicator (red) will then begin flashing qu ickly again to show that the output off teaching operation should begin. 3. place the point where you want the output to go off in the beam spot position. 4. press the teachi ng button for approx imately 0.5 second. the teaching indicator (red) will light for approx imately 0.5 second to sh ow that the output off teaching is completed. when teaching is successful when teaching is not successful the stability indicator (green) s hows that detection is stable. the teaching indicator (red) flashes slowly. (flashes in cycles of approx. 6 seconds.) 1.lights this indicates stable detection, even if there is some fluttering in the sensing object. 2.flashes this indicates th e possibility of unstable detection, due to fluttering in th e sensing object. 3.remains off this indicates unstable detection. repeat the operation st arting with step 1. the sensor enters normal operating condition. s en s or b a ckgro u nd m a rk fl as he s qu ickly lit for a pproxim a tely 0.5 s econd fl as he s qu ickly s en s or b a ckgro u nd m a rk lit for a pproxim a tely 0.5 s econd fl as he s s lowly fl as he s off lit stable detection unstable detection on point off point lit lit off lit lit off off off
10 photoelectric sensor automatic teaching (remote) 1. send a pulse with a duration of at least 2 s but less than 10 s min. to the remote control input (pink). 2. teaching will be performed automatically when the mark (the light level with the shorter detection time) passes through the beam spot. make sure the mark passes through the beam spot for at least 1.5 ms. pass the mark through the beam spot at least seven times to complete the teaching process. there must be a difference in light intensity between the mark and the background for teaching to be successful. 3. detection will begin and the output will turn on when the mark (the light level with the shorter detection time) is de- tected. note: determine when teaching has been completed by confirming that the out- put turns on for the mark and off for the background. if the output does not turn on for the mark and off for the background within one minute after the remote control input is applied, teaching has not been success- ful. apply the remote control input again. precautions for using automatic teaching (remote) ? with automatic teaching (remo te), the output is always turned on for the light level with the shorter detection time. use 2-point teaching (manual) to turn off the output for the light level with the shorter detection time. ? faulty detection is possible when using automatic teaching (remote) if there is considerable movement in the sensing object or if the surface of the object is stepped or contains protrusions. in cases such as these, use 2-point teaching. ? do not use automatic teaching for backgrounds that are not monochrome. 2 to 10 s within 1 min * on off inten s ity of light received 1? 2 ? 3? 4 ? 5 ? 6 ? 1 2 3 4 5 6 time time time remote control inp u t lit off te a ching indic a tor (red) te a ching s t a rt s * if s even m a rk s do not p ass within one min u te of the remote control inp u t, the te a ching oper a tion will b e c a ncelled. m a rk ( s horter p ass ing time) o u tp u t on te a ching i s completed thre s hold s etting a t optim a l po s ition b a ckgro u nd (longer p ass ing time) o u tp u t off sa mpling (7 m a rk s ) 7 7 ? a u tom a tic te a ching
11 E3ZM-V dimensions sensors mark sensor (diffuse reflective) pre-wired models E3ZM-V61 E3ZM-V81 mark sensor (diffuse reflective) m8 connector E3ZM-V66 E3ZM-V86 3 .2 7. 8 te a ching bu tton te a ching indic a tor (red) tw o, m 3 4-di a . vinyl-in su l a ted ro u nd c ab le with 4 cond u ctor s (cond u ctor cro ss s ection: 0.2 mm 2 (awg.24), in su l a tor di a meter: 1.1 mm), s t a nd a rd length: 2 m s t ab ility indic a tor (green) oper a tion indic a tor (yellow) optic a l a xi s 15. 3 10. 8 21 25.4 3 1 1.2 9.1 22.5 15.5 25.4 3 1 1.2 15.5 9.1 22.5 te a ching bu tton te a ching indic a tor (red) tw o, m 3 m 8 1 s t ab ility indic a tor (green) oper a tion indic a tor (yellow) optic a l a xi s 3 .2 7. 8 15. 3 10. 8 21
12 photoelectric sensor read and understand this document please read and understand this docu ment before using the products. please consult your omron representative if you have any ques- tions or comments. warranty omron?s exclusive warranty is that the products are free from de- fects in materials and workmanship for a period of one year (or other period if specified) from date of sale by omron. omron makes no warranty or representation, ex- press or implied, regarding non-infringement, mer- chantability, or fitness for particular purpose of the products. any buyer or user acknowledges that the buyer or user alone has determined that the products will suitably meet the requirements of their intended use. omron disclaims all other war- ranties, express or implied. limitations of liability omron shall not be responsible for special, indi- rect, or consequential damages, loss of profits or commercial loss in any way connected with the products, whether such claim is based on contract, warranty, negligence, or strict liability. in no event shall respons ibility of omron for any act exceed the in- dividual price of the product on which liability is asserted. in no event shall omron be responsible for warran- ty, repair, or other claims regarding the products unless omron?s analysis confirms that the prod- ucts were properly handled, stored, installed, and maintained and not subject to contamination, abuse, misuse, or inappropriate modification or repair. suitability for use the products contained in this document are not safety rated. they are not designed or rated for en- suring safety of persons, and should not be relied upon as a safety component or protective device for such purposes. please refer to separate catalogs for om- ron's safety rated products. omron shall not be responsible fo r conformity with any standards, codes, or regulations that apply to the combination of products in the customer?s application or use of the product. at the customer?s request, omron will provide appl icable third party certification documents identifying ratings and limitations of use that apply to the products. this information by itself is not sufficient for a complete determination of the suit ability of the products in combina- tion with the end product, machine, system, or other application or use. the following are some examples of applications for which particular attention must be given. this is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products: ? outdoor use, uses involving pot ential chemical contamination or electrical interference , or conditions or uses not described in this document. ? nuclear energy control systems, combustion system s, railroad sys- tems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and instal lations subject to separate in- dustry or government regulations. ? systems, machines, and equipment that could present a risk to life or property. please know and observe all prohi bitions of use applicable to the products. never use the products for an application involving serious risk to life or property without ensuring that the system as a whol e has been designed to address the risks, and that the omron product is properly rated and installed for the intended use within the overall equipment or system. performance data performance data given in this doc ument is provided as a guide for the user in determining suitabilit y and does not constitute a warranty. it may represent the result of omron?s test conditions, and the users must correlate it to actual applic ation requirements. actual perfor- mance is subject to the omron wa rranty and limitations of liability. change in specifications product specifications and access ories may be changed at any time based on improvements and other reasons. it is our practice to change m odel numbers when published ratings or features are changed, or when si gnificant constr uction changes are made. however, some specifications of the product may be changed without any notice. when in doubt, special model numbers may be as- signed to fix or establish key spec ifications for y our application on your request. please consult with your omron representative at any time to confirm actual specif ications of pur chased products. dimensions and weights dimensions and weights are nominal and are not to be used for man- ufacturing purposes, even w hen tolerances are shown. errors and omissions the information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proof reading errors, or omissions. programmable products omron shall not be responsible for the user?s programming of a pro- grammable product, or any consequence thereof. copyright and copy permission this document shall not be copied for sales or promotions without permission. this document is protected by copy right and is intended solely for use in conjunction with the product. pl ease notify us before copying or re- producing this document in any manner, for any other purpose. if copying or transmitting this doc ument to another, please copy or transmit it in its entirety. in the interest of product improvement, specifi cations are subject to change without notice. cat. no. e389-e2-01-x omron europe b.v. wegalaan 67-69, nl-2132 jd, hoofddorp, the netherlands phone: +31 23 568 13 00 fax: +31 23 568 13 88 www.industrial.omron.eu

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