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E3T

READ AND UNDERSTAND THIS DOCUMENT

Please read and understand this document 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 ORIMPLIED.

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 responsibility 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 
OMRON's safety rated products.

OMRON shall not be responsible for 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 applicable 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 suitability 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 potential chemical contamination or 

electrical interference, or conditions or uses not described in this 
document.

• Nuclear energy control systems, combustion systems, railroad sys-

tems, aviation systems, medical equipment, amusement ma-
chines,vehicles, safety equipment, and installations subject to 
separate industry or government regulations.

• Systems, machines, and equipment that could present a risk to life 

or property.

Please know and observe all prohibitions 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 WHOLE HAS BEEN DESIGNED TO AD-
DRESS THE RISKS, AND THAT THE OMRON PRODUCT IS PROP-
ERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN
THE OVERALL EQUIPMENT OR SYSTEM.

PERFORMANCE DATA

Performance data given in this document is provided as a guide for
the user in determining suitability and does not constitute a warranty.
It may represent the result of OMRON’s test conditions, and the users
must correlate it to actual application requirements. Actual perfor-
mance is subject to the OMRON Warranty and Limitations of Liability.

CHANGE IN SPECIFICATIONS

Product specifications and accessories may be changed at any time
based on improvements and other reasons.

It is our practice to change model numbers when published ratings or
features are changed, or when significant construction 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 specifications for your application on
your request. Please consult withyour OMRON representative at any
time to confirm actual specifications of purchased products.

DIMENSIONS AND WEIGHTS

Dimensions and weights are nominal and are not to be used for man-
ufacturing purposes, even when 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 proofreading 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 copyright and is intended solely for use
in conjunction with the product. Please notify us before copying or re-
producing this document in any manner, for any other purpose. If
copying or transmitting this document to another,please copy or
transmit it in its entirety.

Summary of Contents for E3T -

Page 1: ... LED of the through beam models provides appropriate sensing distances for very precise and reliable detection even through smallest slits and gaps with e g 0 5 mm dia The coaxial optics and the small focal lens of the retro reflective models allow the detection of small dia 2 mm objects or through small holes dia 2 mm Minimal black white error Unique light receiving lens shape for high precision ...

Page 2: ... 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 Side view 3 3 Values in parentheses indicate the minimum required sensing distance between the sensor and the reflector For applications with shorter distances between the sensor and the reflector contact your OMRON representative Light ON E3T SR41 C 2M 4 E3T SR43 ...

Page 3: ... distance 1 1 Values in parentheses indicate the minimum required distance between the Sensor and Reflector Minimum detectable object typical Order code Remarks Small reflector 200 mm 30 mm 2 mm dia E39 R4 100 mm 10 mm E39 R37 CA Reflectors E39 _ CA are optimised for operation with E3T SR4 Please verify the performance when using other reflectors and reflective tapes Tape reflector 100 mm 10 mm E3...

Page 4: ...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 pro tection Mutual interrefer ence prevention surge supp...

Page 5: ...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...

Page 6: ...0 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 Sli...

Page 7: ...0 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 2 6 8 4 10 12 Sensing distance X mm Distance Y mm 14 16 8 6 4 2 0 2 4 6 8 10 10 5 15 20 10 25 30 35 Sensing distance X mm Distance Y mm Glass 250 200 150 100 50 0 50 300 100 60 20 40 0 20 40 60 Angle Stainless steel Angle of inclination Rate of ch...

Page 8: ...10 15 20 20 40 20 10 30 0 20 10 30 40 Rate of change in sensing distance Angle of inclination White paper Center line Angle of inclination 15 10 5 0 5 10 15 20 20 40 20 10 30 0 20 10 30 40 Rate of change in sensing distance Angle of inclination White paper Center line Angle of inclination 15 10 5 0 5 10 15 20 20 40 20 10 30 0 20 10 30 40 Rate of change in sensing distance Angle of inclination Whit...

Page 9: ...4 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 paper 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 ...

Page 10: ...ack rubber Black paper 41 439 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...

Page 11: ...3 Blue 12 to 24 VDC Photo electric Sensor Main Circuit ON OFF ON OFF Operate Reset Between brown and black Operation indicator orange Light incident Light interrupted Output transistor Load e g relay Operation indicator orange Light incident Light interrupted ON OFF Output transistor ON OFF Load e g relay Operate Reset Between blue and black leads 4 1 3 50 mA max 0 V ZD 12 to 24 VDC Brown Black Co...

Page 12: ...or and stability indicator green turn ON 5 Remove the workpiece and confirm that the operation in dicator 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 vari ation of light is small such as when sensing semi transparent...

Page 13: ... ST ECON Terminal No Specifi cations 1 V 2 3 4 Emitter E3T ST L Receiver E3T ST D 1 15 2 3 4 5 9 15 6 1 V 2 3 4 Output 8 0 2 3 5 12 R0 5 R0 5 Two R0 5 8 6 Two R0 8 14 15 8 19 1 75 4 4 8 Emitter Optical axis Two 2 2 dia Mounting Holes Two M2 Through beam Models Flat 1 15 2 3 4 5 9 15 6 1 V 2 3 0 V 4 3 5 3 1 12 R0 5 R0 5 Two R0 5 8 6 2 35 Two R2 Two R0 8 14 15 8 19 1 75 4 4 8 8 0 2 Lens 1 3 dia Two ...

Page 14: ...ameter 0 7 mm Standard length 2 m 2 4 dia vinyl insulated round cable with 3 conductors Standard lengths 0 3 m and 2 m e CON Pre wired Connector E3T FD ECON 1 V 2 3 0 V 4 Output Terminal No Specifi cations 2 4 dia vinyl insulated round cable with 3 conductors Conductor cross section 0 1 mm Insulator diameter 0 7 mm Standard length 2 m 1 V 2 3 0 V 4 Output Terminal No Specifi cations 2 4 dia vinyl ...

Page 15: ...able with 3 conductors Standard lengths 0 3 m and 2 m e CON Pre wired Connector E3T FL ECON 13 7 9 7 2 4 23 19 Two 2 2 dia 1 4 4 9 4 2 Reflector E39 R4 Reflector Reflector tapes E39 R37 CA Material reflective surface acrylic Rear surface ABS 10 2 8 7 1 1 13 7 13 7 8 R1 18 3 23 18 3 23 2 R1 55 Mounting Bracket t 0 5 Reflective surface acrylic Two 3 1 dia Reflector Mounting bracket Reflector t 0 5 a...

Page 16: ... Slit when installing on the Emit ter and Receiver Material 0 2 mm thick stainless steel SUS301 12 3 12 0 5 dia 1 dia 4 1 Material 0 1 mm thick stainless steel SUS301 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 Mounting Bracket Example E3T ST11 7 5 17 8 4 1 2 3 4 Two R2 Two R2 Two R1 1 5 1 6 4 11 9 5 2 2 31 2 1 2 2 4 10 90 R1 5 max ...

Page 17: ...T11 Mounting Brackets for Side view Models E39 L117 Material 1 2 mm thick stainless steel SUS304 Mounting Brackets for Side view Models E39 L118 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 23 18 11 5 23 16 3 13 2 Four R2 Three M2 3 1 3 1 1 2 90 Two R1 7 Two R1 1 Two R2 Two R1 1 With Mounting Bracket Example E3T ST...

Page 18: ...kets for Flat Models E39 L119 Mounting Brackets for Flat Models E39 L120 12 16 8 13 5 6 3 2 2 4 2 4 8 14 22 5 4 2 5 4 10 6 6 4 13 5 1 2 With Mounting Bracket Example E3T FT11 Material 1 2 mm thick stainless steel SUS304 Material 1 2 mm thick stainless steel SUS304 With Mounting Bracket Example E3T FT11 Four M2 tapped holes Two M2 x 8 ...

Page 19: ...ed may be suitable for the products Outdoor use uses involving potential chemical contamination or electrical interference or conditions or uses not described in this document Nuclear energy control systems combustion systems railroad sys tems aviation systems medical equipment amusement ma chines vehicles safety equipment and installations subject to separate industry or government regulations Sy...

Page 20: ...e interest of product improvement specifications are subject to change without notice Cat No E377 E1 02 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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