Ultracompact, Ultrathin Photoelectric Sensor with Built-in Amplifier E3T The Improved E3T Series with Easier, Smoother Mounting and Installation • The series includes Through-beam, Long-distance (2 m) Sensors (E3T-ST3@). • Easy installation with M3-mounting Sensors (E3T-ST@@M, E3T-FD@@M, and E3T-SL@@M). • Small Cylindrical Sensors for one-point mounting are also available (E3T-C@@@(S)). • Infrared Sensors added to the Series (E3T-@T@@(M)F).
E3T Ordering Information Sensors [Refer to Dimensions on page 16.] M2-mounting Sensors Sensing method Red light Appearance Sensing distance 2m (Sensitivity Adjustment Unit can be used.) 1m (Sensitivity Adjustment Unit can be used.) 300 mm 2m Through-beam ( Emitter + Receiver Infrared light A set of mounting screws is included with the Sensor.
E3T Small Cylindrical Sensors Sensing method A set of mounting nuts is included with the Sensor.
E3T Accessories for M3-mounting Sensors These accessories are not included with the Sensor. Order them separately if required. Applicable Sensor Name Model Quantity Dimensions page E3T-ST1@M@ 0.5 dia. E39-S76A E3T-ST2@M@ 2 (One each for Emitter and Receiver) Slits for Through-beam Side-view Sensors E3T-ST1@M@ 1 dia.
E3T Ratings and Specifications Sensing method Through-beam Appearance Rectangular type (Flat) Rectangular type (Side-view) Item NPN output PNP output Light-ON E3T-ST31 E3T-ST31F E3T-ST11 E3T-ST11F E3T-ST11M E3T-ST11MF E3T-ST21 E3T-ST21F E3T-ST21M E3T-ST21MF E3T-FT11 E3T-FT11F E3T-FT21 E3T-FT21F E3T-ST22 E3T-ST22F E3T-ST22M E3T-ST22MF E3T-FT12 E3T-FT12F E3T-FT22 E3T-FT22F E3T-FT13 E3T-FT13F E3T-FT23 E3T-FT23F E3T-FT14F E3T-FT24 E3T-FT24F Dark-ON E3T-ST32 E3T-ST32F E3T-ST12 E3T-
E3T Sensing method Through-beam Appearance Retro-reflective (without M.S.R. function) Cylindrical type (Side-view) Cylindrical type (Top-view) Rectangular type (Side-view) Item NPN output Light-ON --- --- E3T-SR41 Dark-ON E3T-CT12 E3T-CT22S E3T-SR42 PNP output Light-ON --- --- E3T-SR43 Dark-ON E3T-CT14 E3T-CT24S E3T-SR44 Sensing distance 1m 500 mm 200 mm [30 mm] * (Using the E39-R4) 100 mm [10 mm] * (Using the E39-R37-CA) Standard sensing object Opaque, 4-mm dia. min.
E3T Sensing method Diffuse-reflective Appearance Rectangular type (Flat) Cylindrical type (Top-view) Limited-reflective BGS-reflective Rectangular type (Side-view) Rectangular type (Flat) Item NPN output PNP output Light-ON Dark-ON Light-ON Dark-ON E3T-FD11 E3T-FD11M E3T-FD12 E3T-FD12M E3T-FD13 E3T-FD13M E3T-FD14 E3T-FD14M Sensing distance 5 to 30 mm (50 × 50 mm white paper) Standard sensing object Minimum detectable object (reference value) --0.15-mm dia.
E3T Engineering Data (Reference Value) M2-mounting and M3-mounting Sensors Parallel Operating Range Through-beam 200 Without Slit 150 100 0.5-dia Slit Y 50 Y 150 X Without Slit 100 1-dia Slit 0.5-dia Slit 50 1.0 2.0 80 Y 60 X 40 3.0 0 4.0 5.0 Distance X (m) −50 0.4 0.8 1.2 0 1.6 2.0 Distance X (m) −50 −20 −100 −100 −40 −150 −150 −200 0.5-dia Slit 1-dia Slit 20 X 1.
E3T X 100 50 0.4 0.6 1-dia Slit 80 120 Y 60 0 −50 −20 −100 −40 0.2 0.4 0.6 0.8 −150 1 1.2 1.4 Distance X (m) 40 Distance Y (mm) Distance Y (mm) Y 30 X 20 E3T-SR4@+E39-R4 0 200 (A Slit is mounted to the Emitter and Receiver.
E3T Inclination Detection Area Characteristic Limited-reflective E3T-SL1@(M) (Right to Left) Distance (mm) Distance (mm) E3T-SL1@(M) (Top to Bottom) 20 Stainless steel Stainless steel Glass t: 0.7 mm 10 10 +θ −θ 0 −10 0 Angle of inclination Glass t: 0.7 mm 0 −10 10 Angle θ (°) E3T-SL2@(M) (Top to Bottom) 30 Glass t: 0.
E3T Excess Gain vs. Set Distance Through-beam 50 30 10 E3T-ST2@(M) Excess gain ratio E3T-ST1@(M) 100 Excess gain ratio Excess gain ratio E3T-ST3@ 100 50 30 10 100 50 30 10 5 5 5 3 3 3 Operating level 1 Operating level 1 Operating level 1 0.5 0.5 0.5 0.3 0.3 0.3 0.1 0 1000 2000 3000 0.
E3T Diffuse-reflective E3T-SR4@ E3T-FD1@(M) 100 50 30 E3T-SR4@+E39-R4 10 100 Excess gain ratio Excess gain ratio Retro-reflective 50 30 10 5 3 Operating level 1 White paper 5 3 Operating level 1 E3T-SR4@+E39-R37-CA 0.5 0.5 0.3 0.3 0.1 0 100 200 Black paper 0.
E3T Sensing Distance vs.
E3T I/O Circuit Diagrams NPN Output Model Operation mode Timing charts Output circuit Through-beam Receivers and Reflective Sensors Light incident Light interrupted E3T-@@@1(F) E3T-@@@1M(F) Operation indicator ON OFF (orange) Light-ON Output transistor Brown Operation indicator (orange) Photoelectric Sensor Main Circuit ON OFF Load (e.g., relay) Operate Reset (Between brown (1) and black (4) leads) 12 to 24 VDC 1 Stability indicator (green) (Control output) *1 Black 50 mA max.
E3T Safety Precautions Refer to Warranty and Limitations of Liability. WARNING This product is not designed or rated for ensuring safety of persons. Do not use it for such purpose. ● Adjusting Indicators • The following graphs indicate the status of each operating level. • Be sure to use the E3T within the stable operating range. Stability indicator (green) Precautions for Correct Use Do not use the product in atmospheres or environments that exceed product ratings.
E3T (Unit: mm) Dimensions Tolerance class IT16 applies to dimensions in this datasheet unless otherwise specified. Sensors M2-mounting Sensors Through-beam Side-view Sensors E3T-ST1@(F) (Emitter) E3T-ST2@(F) (Emitter) 7 E3T-ST3@(F) (Emitter) 9.5 7.7 Mounting Holes 3.8 Two, M2 holes 2.7 Emitter lens (1.3 dia.) 14.6 9 9±0.2 Two, 2.2 dia. * 2.2 Emitter: E3T-ST@@(F)-L Receiver: E3T-ST@@(F)-D 3.9 2.4-dia. vinyl-insulated round cable with 2 conductors (Conductor cross section: 0.
E3T Retro-reflective Side-view Sensors E3T-SR4@ Mounting Holes Two, M2 holes Operation indicator Stability indicator 7 11 9.2 15±0.2 3.8 4.5 20.6 15 Lens (2.0 dia.) Two, 2.2 dia. * 3.9 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 3.7 6.3 *The mounting holes are made of SUS301. Diffuse-reflective Flat Sensors E3T-FD1@ Operation indicator Stability indicator 12 3.
E3T BGS-reflective Flat Sensors E3T-FL1@ E3T-FL2@ Operation indicator Stability indicator 12 3.5 Receiver lens (2.8 square) 6 Emitter lens (1.5 dia.) 19 Mounting Holes 20.8 Two, M2 holes 7.4 Two, 2.2 dia. * 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 8±0.2 1.75 4.4 8 *The mounting holes are made of SUS301.
E3T Diffuse-reflective Flat Sensors E3T-FD1@M Operation indicator Stability indicator 12.6 4 Mounting Holes Two, M3 holes 4 Emitter lens (1.5 dia.) 10±0.2 20.4 14.8 23.4 Receiver lens (2.0 dia.) Two, 3.2 dia. * 3.1 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 4.2 10 16 3.5 *The mounting holes and plate are made of SUS304.
E3T Through-beam Side-view Sensors E3T-CT2@S (Emitter) Toothed washer Two, hexagonal nuts (M5) 10 dia. 27.2 6.2 8 13.1 Mounting Hole 3.5 2.2 5.6 dia. Optical axis +0.5 2.5 2.5-dia. vinyl-insulated round cable with 2 conductors (Conductor cross section: 0.15 mm² (AWG25), Insulator diameter: 0.8 mm), Standard length: 2 m 9.7 M5×0.5 Toothed washer Two, hexagonal nuts (M5) Emitter: E3T-CT2@S-L Receiver: E3T-CT2@S-D 10 dia. Operation indicator 27.2 6.2 8 13.1 5.5 −0 2.7-dia.
E3T Accessories (Order Separately) Tape Reflectors E39-RS1-CA E39-RS3-CA 35 0.5 80 10 0.5 Four, R1 Adhesive tape side Material: Acrylic E39-RS2-CA 70 40 0.5 35 Four, R1 Material: Acrylic Adhesive tape side Four, R1 Adhesive tape side Material: Acrylic Slit for E3T-ST@@(F) Through-beam Sensors E39-S63 Slit for E3T-FT@@(F) Through-beam Sensors E39-S64 With Slit Attachment 9.7 7.4 1.0±0.05 dia. With Slit Attachment Two, 2.2 dia. 0.5±0.05 dia. 12.3 (4.1) 2.7 12.6 2.
E3T Mounting Bracket for M2-mounting Side-view Sensors E39-L116 (17.8) (Two, R1.7) 7.5 Two, 3.4 4.1 1.6 (Two, R2) (Two, R2) 5 4 2.2 11 Material: 1.2-mm-thick stainless steel (SUS304) (10.3) (Two, R1.1) 31.2 9.5 9.7 6.2 90° 17.8 (Two, R1.2) 2.4 1.2 R1.5 max. With Mounting Bracket (Example: E3T-ST11) 10 (Four, R2) 7.7 Two, M2 × 14 Three, M2 3 9 20.5 15 31 31.2 24.5 7 Mounting Bracket for M2-mounting Side-view Sensors E39-L117 R1 max. 90° 1.2 (Two, R1.7) (Two, R2) Two, R2 2.4 11.
E3T Mounting Bracket for M2-mounting Side-view Sensors E39-L118 1.2 11.5 90° 11.5 90° 22.7 (Two, R1.7) 5 2.4 4.5 3.1 4 Material: 1.2-mm-thick stainless steel (SUS304) 9 11.5 18 15 (23) 9 Two, 2.2 3.1 5 3.4 (Two, R1.1) (Four, R2) 7.7 With Mounting Bracket (Example: E3T-ST11) (Four, R2) Two, M2 × 14 Three, M2 13.2 3 9 20.5 15 23 16.3 7 Mounting Bracket for M2-mounting Flat Sensors E39-L119 With Mounting Bracket (Example: E3T-FT11) 1.2 90° 10.5 15 Four, M2 tapped holes 3.
E3T Mounting Bracket for M3-mounting Side-view Sensors E39-L166 1.2 13.5 90° 4.5 3.4 3 2.8 3.1 3.2 14.5 11.5 23 Material: 1.2-mm-thick stainless steel (SUS304) (12.6) 3.1 3 Two, R2 3.2 6.5 13.5 13.8 (15) With Mounting Bracket (Example: E3T-ST11M) 8 4 Three, M3 3 16 12.9 12.5 22 10 8.5 15 Two, M3 × 15 23 13.5 Mounting Bracket for M3-mounting Flat Sensors E39-L167 With Mounting Bracket (Example: E3T-FD11M) (6.5) 5 (10.5) 1.5 18 29 Four, M3 tapped holes 3.2 10 17 2.4 23.5 17.
Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranties. (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron).
OMRON Corporation Industrial Automation Company Authorized Distributor: Tokyo, JAPAN Contact: www.ia.omron.com Regional Headquarters OMRON EUROPE B.V. Sensor Business Unit Carl-Benz-Str. 4, D-71154 Nufringen, Germany Tel: (49) 7032-811-0/Fax: (49) 7032-811-199 OMRON ELECTRONICS LLC One Commerce Drive Schaumburg, IL 60173-5302 U.S.A. Tel: (1) 847-843-7900/Fax: (1) 847-843-7787 OMRON ASIA PACIFIC PTE. LTD. No.
