Miniature Square Photoelectric Sensor in plastic housing E3T E3T • Ultra flat size with high power pinpoint LED where space is crucial • 3.5 mm thin flat shape • IP67 • Pulse synchronisation for high ambient light immunity Features Flat background supression (BGS) with highest repeatability even for differently colored objects. Minimal black white error (mm) Unique light receiving lens shape New mounting technology for reliable background for high precision alignment suppressions in 3.
Application E3T-SL Convergent-reflective Models (Side-view) • Minimum detection object: 0.15 mm dia. • Resistant to background and surrounding metal. E3T-FD Diffuse-reflective Models (Flat) • Minimum detection object: 0.15 mm dia. • Only 3.5 mm wide for installation in small gaps.
Accessories (Order Separately) Slits Sensing distance Minimum detect(typical) able object (typical) 0.5 mm dia. 100 mm Model Quantity E39-S63 One each for Emitter and Receiver; common with Slit widths of 1 dia. and 0.5 dia. (total of 2) 300 mm 1 mm dia. 0.5 mm dia. 50 mm 0.5 mm dia. E39-S64 100 mm Plug-in type round slits Can be used with E3T-ST1@ Through-beam Models. 0.5 mm dia. 1 mm dia. 1 mm dia.
Rating and Specifications Through-beam Side-view Sensing method Sensing distance Retro-reflective Flat Side-view NPN PNP 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-SR21 E3T-SR22 E3T-SR23 E3T-SR24 E3T-SR31 E3T-SR32 E3T-SR33 E3T-SR34 E3T-ST1@ E3T-ST2@ 1m 300 mm E3T-FT1@ E3T-FT2@ 500 mm 300 mm E3T-SR2@200 mm (10 mm) *1 (with the E39-R4) E3T-SR3@100 mm (10 mm)
Convergent-reflective Flat Sensing method Sensing distance BGS reflective 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 5 to 30 mm (50 x 50 mm white paper) 5 to 15 mm (50 x 50 mm white paper) 5 to 30 mm (50 x 50 mm white paper) 1 to 15 mm (50 x 50 mm white paper) 1 to 30 mm (50 x 50 mm white
Engineering Data (Typical) Parallel Operating Range Through-beam 200 X 150 Y Without Slit 100 1-dia Slit 0.5-dia Slit 50 E3T-ST2@ 80 X 60 Y Distance Y (mm) E3T-ST1@ + E39-S63 Slit (Order Separately)(Enlarged graph) Distance Y (mm) Distance Y (mm) E3T-ST1@ + E39-S63 Slit (Order Separately) 40 1-dia Slit 0.5-dia Slit 20 25 20 Without Slit X 15 1-dia Slit 10 Y 5 0.5-dia Slit 0 0.4 0.8 1.2 0 1.6 1.
Operating Range E3T-FD1@ E3T-SL1@ Sensing object: 50 x 50 mm white paper X 3 Y 2 15 X Sensing object: 50 x 50 mm white paper Y 10 5 Sensing object: 50 x 50 mm white paper 3 X Y 2 1 1 0 0 0 4 E3T E3T-SL2@ Distance Y (mm) 4 Distance Y (mm) Convergent-reflective Distance Y (mm) Diffuse-reflective 10 20 30 1 1 10 20 30 5 40 5 10 15 20 25 30 Distance X (mm) Distance X (mm) 2 Distance X (mm) 2 10 3 3 15 4 40 4 E3T-FL1@ E3T-FL2@ Distance Y (mm) Distance Y (mm
BGS Reflective E3T-FL1@ (Top to Bottom) 40 Angle of inclination 20 + 0 20 Stainless steel 40 Glass 20 Angle of inclination 15 + White paper 10 Center line 5 0 5 20 0 5 80 15 15 20 0 20 40 60 Angle of inclination (°) E3T-FL2@ (Top to Bottom) Angle of inclination 15 + White paper 20 10 0 10 20 30 40 Angle of inclination (°) 20 40 30 20 10 0 10 20 30 Angle of inclination 40 (°) E3T-FL2@ (Right to Left) 20 10 30 Center line 5 10 40 + White paper 10 10 20 40
Retro-reflective E3T-SR3@ + E39-R37 (Provided) Excess gain ratio 100 100 Reflector: E39-R4 14 12 10 50 30 10 8 E3T E3T-SR2@ + E39-R4 (Provided) Excess gain ratio Excess gain ratio E3T-FT2@ 50 30 10 5 5 3 3 Operating 1 level Operating 1 level 0.5 0.5 0.3 0.3 6 4 2 Operating 1 level 0 0 0.1 0.1 500 1000 1500 0 2000 200 400 600 800 Set distance (mm) Convergent-reflective E3T-FD1@ E3T-SL1@ Excess gain ratio 30 10 100 50 30 White paper White paper 10 3 0.
Sensing Distance vs.
I/O Circuit Diagrams NPN Output Timing charts Output circuit Light incident Through-beam Receivers, Retroreflective and Reflective Models Light interrupted E3T-@@@1 Light-ON E3T Operation mode Model OFF Output transistor ON OFF Operation indicator (Orange) ON 1 Stability indicator (Green) (Control output) Photoelectric Sensor Main Circuit Operate Load (e.g., relay) Reset 50 mA max.
Safety Precautions L Adjusting ! Warning Do not apply AC power to the E3T, otherwise the E3T may rupture. Precautions for Correct Use Stable operation range* Do not use the product in atmospheres or environment that exceed product ratings. Unstable operation range* 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.
Dimensions Sensors Through-beam Models (Side-view) E3T-ST1@ (Emitter) E3T-ST2@ (Emitter) 9.5 E3T Mounting Holes Two, M2 R2.5 7 7.7 Two, 2.2 dia. 9±0.2 * Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models. 3.8 2.7 9 14.6 e-CON Pre-wired Connector Model (E3T-ST@@-ECON) 18.5 Emitter Terminal No. 1 5.9 1 2 15 Emitter: E3T-ST@@-L Receiver: E3T-ST@@-D 4.8 6.6 5.2 9.5 E3T-ST1@ (Receiver) E3T-ST2@ (Receiver) Operation indicator* 2.4-dia.
Retro-reflective Models (Side-view) E3T-SR2@ E3T-SR3@ Mounting Holes 11 Two, M2 e-CON Pre-wired Connector (E3T-SR@@-ECON) Operation indicator 7 2.3 Stability indicator 9.2 15±0.2 Two, 2.2 dia. 2.9 5.9 1 2 15 3.8 Emitter lens (4.0 dia.) 3 4 15.6 6.0 2.5 15 20.6 1.5 2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m 24.5 Optical axis Terminal No. 1 Receiver lens (4.0 dia.
Mounting Holes 12 Operation indicator 3.1 Two, M2 3.5 Stability indicator 8±0.2 E3T BGS Models (Flat) E3T-FL1@ E3T-FL2@ e-CON Pre-wired Connector (E3T-FL@@-ECON) 5.9 1 2 2.5 Receiver lens (2.8 square) 15 3 4 3 3 Optical axis 19 20.8 15.6 24 2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m 10.35 Emitter lens (1.5 dia.) Two, 2.2 dia. 4.4 8 1.75 * Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models. 2.
Accessories (Order Separately) Slit for E3T-ST1@ Through-beam Models E39-S63 Slit for E3T-FT1@ Through-beam Models E39-S64 With Slit Attachment Sensitivity Adjustment Unit (for E3T-ST1@ Through-beam Models) E39-E10 With Slit Attachment With Slit Attachment 5.8 7.4 9.7 1.0±0.05 dia. Two, 2.2 dia. 12.3 90° (4.1) (10.1) 7.4 0.5±0.05 dia. 2.7 4 12.6 2.7 Notch 12 (15.1) Optical axis 1 dia. Note: Align the notch direcMaterial: 0.
E3T Mounting Brackets for Side-view Models E39-L117 R1 max. 90° 1.2 (Two, R1.7) (Two, R2) 2-R2 2.4 11.2 3.1 4 Material: 1.2 mm thick stainless steel (SUS304) 9 11.5 15 (23) 18 9 3.1 2-2.2 (Two, R1.7) 3.4 (10.3) 5 5 4.5 10 (11.2) (Two, R1.1) 11.2 7.7 With Mounting Bracket (Example: E3T-ST11) 6.2 Two, M2 x 14 (Four, R2) 11.2 10.2 Three, M2 3 9 20.5 15 23 16.3 7 Mounting Brackets for Side-view Models E39-L118 1.2 11.5 90° 11.5 90° 22.7 (Two, R1.7) 5 2.4 4.5 3.
Mounting Brackets for Flat Models E39-L119 With Mounting Bracket (Example: E3T-FT11) 1.2 90° 10.5 15 Four, M2 tapped holes 3.2 8 9 3.5 7 2.4 Material: 1.2 mm thick stainless 16 steel (SUS304) 12 8 10.6 2.4 9 7 Two, M2 x 8 Mounting Brackets for Flat Models E39-L120 With Mounting Bracket (Example: E3T-FT11) 4.2 (6.4) (5.4) 14 1.2 22.5 Four, M2 tapped holes 8 13.5 3.2 2.4 Material: 1.2 mm thick stainless steel (SUS304) 16 12 8 10.6 2.4 6 A-18 13.
Please read and understand this document before using the products. Please consult your OMRON representative if you have any questions or comments. WARRANTY OMRON’s exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. • Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this document.
Cat. No. E377-E1-01-X In the interest of product improvement, specifications are subject to change without notice. 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.eu.omron.
