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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 for high precision alignment
Light receiving lens
New mounting technology for reliable background suppressions in 3.5 mm flat housing
Flip chip (IC) Light receiving element
25 20 15 10 5 0
White paper Black paper
Rear
Front
Side
E3T-FL1@ (BGS Reflective Model)
Application
E3T-ST Through-beam (Side View) Models/E3T-FT Through-beam (Flat) Models * Long-distance detection Side-view Models: 1m, Flat Models: 500 mm. * Minimum detection object: 0.5 mm dia. (with slit attached). * Optical axis accuracy of 2 for high installation reliability.
E3T
A-1
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.
Ordering Information
Sensors
Sensing method Appearance Connection method Sensing distance Operation mode
Red light
Model *1 NPN output PNP output E3T-ST11 *2 E3T-ST12 *2 E3T-ST21 E3T-ST22 E3T-FT11 *2 E3T-FT12 E3T-FT21 E3T-FT22 E3T-SR21 *2 E3T-ST13 E3T-ST14 E3T-ST23 E3T-ST24 E3T-FT13 E3T-FT14 E3T-FT23 E3T-FT24 E3T-SR23
1 m Light-ON
Side-view
(Sensitivity Adjustment Unit can be used.)
Dark-ON Light-ON
Throughbeam Flat
300 mm 500mm
Dark-ON Light-ON Dark-ON Light-ON
300 mm
Side-view
Dark-ON Light-ON
200mm [10mm]
Dark-ON Retroreflective Side-view Pre-wired E3T-SR22 *2 E3T-SR24
Light-ON
E3T-SR31 *2
E3T-SR33
100 mm [10 mm]
*3
Dark-ON
E3T-SR32 *2
E3T-SR34
Flat Diffusereflective
Light-ON
E3T-FD11 *2
E3T-FD13
5 to 30 mm
Dark-ON Side-view Light-ON Dark-ON Light-ON E3T-FD12 *2 E3T-SL11 *2 E3T-SL12 *2 E3T-SL21 *2 E3T-SL22 *2 E3T-FL11 *2 E3T-FL12 *2 E3T-FL21 *2 E3T-FL22 *2 E3T-FD14 E3T-SL13 E3T-SL14 E3T-SL23 E3T-SL24 E3T-FL13 E3T-FL14 E3T-FL23 E3T-FL24
5 to 15 mm
Convergentreflective
5 to 30 mm
Flat BGS reflective
Dark-ON Light-ON
1 to 15 mm
Dark-ON Light-ON
1 to 30 mm
*1. *2. *3.
Dark-ON
Please contact your OMRON representative for models with M8 junction connectors. A Robotics Cable is provided. These models have an R suffix. (Example: E3T-ST11R). Models with e-CON connector are available. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
A-2
Standard Photoelectric Sensors
Accessories (Order Separately)
Slits
E3T
Slit width 0.5 mm dia. 1 mm dia. 0.5 mm dia. 1 mm dia.
Sensing distance Minimum detect(typical) able object (typical) 100 mm 300 mm 50 mm 100 mm 0.5 mm dia.
Model E39-S63
Quantity
Remarks Plug-in type round slits Can be used with E3T-ST1@ Through-beam Models. Plug-in type round slits Can be used with E3T-FT1@ Through-beam Models.
1 mm dia. 0.5 mm dia. E39-S64 1 mm dia.
One each for Emitter and Receiver; common with Slit widths of 1 dia. and 0.5 dia. (total of 2)
Reflectors
Name Small Reflectors
*1.
Sensing distance (Sensor model) 200 mm (10 mm) *1 (E3T-SR2@) 100 mm (10 mm) *1 (E3T-SR3@)
Minimum detectable object (typical) 2 mm dia.
Model E39-R4
Quantity
Remarks Provided with the E3T-SR2@ Retro-reflective Models. Provided with the E3T-SR3@ Retro-reflective Models.
1 E39-R37
Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
Sensitivity Adjustment Unit
Appearance Sensing distance (typical) 300 to 800 mm Model E39-E10 Quantity 1 Remarks Can be used with the E3T-ST1@ Though-beam Models.
Mounting Brackets
Appearance Model Quantity Remarks
E39-L116
E39-L117
Can be used with the E3T-S@@@ Side-view Models. (A securing nut plate is provided with the Mounting Bracket.) 1
E39-L118
E39-L119 Can be used with the E3T-F@@@ Flat Models. E39-L120
Note: When using Through-beam models, order one bracket for the Receiver and one for the Emitter.
Sensor I/O Connectors
Size Cable type Shape
Connector on one end
432 1
Cable length
2m 5m 4-wire 0.5 to 1 m 1.1 to 1.5 m 1.6 to 2 m
12 3 4
Model
E39-ECON2M E39-ECON5M E39-ECONW@M Replace @ with the cable length in 0.1 m increments.
e-CON
Standard cable
Connector on both ends
432 1
E3T
A-3
Rating and Specifications
Through-beam Side-view NPN Sensing method E3T-ST11 E3T-ST12 E3T-ST21 E3T-ST22 E3T-ST1@ E3T-ST2@ PNP E3T-ST13 E3T-ST14 E3T-ST23 E3T-ST24 1m 300 mm NPN E3T-FT11 E3T-FT12 E3T-FT21 E3T-FT22 E3T-FT1@ E3T-FT2@ Flat PNP E3T-FT13 E3T-FT14 E3T-FT23 E3T-FT24 500 mm 300 mm NPN E3T-SR21 E3T-SR22 Retro-reflective Side-view PNP E3T-SR23 E3T-SR24 NPN E3T-SR31 E3T-SR32 PNP E3T-SR33 E3T-SR34
Sensing distance
E3T-SR2@200 mm (10 mm) *1 (with the E39-R4)
E3T-SR3@100 mm (10 mm) *1 (with the E39-R37)
Standard sensing object Opaque, 2 mm dia. min. Minimum detectable object (typical) Black/white error Directional angle Light source (wavelength) Power supply voltage Current consumption Control output 2 mm dia opaque object
Opaque, 1.3 mm dia. min. Opaque, 27 mm dia. min. 1.3 mm dia opaque object 2 mm dia. (sensing distance of 100 mm)
Hysteresis (white paper) ----Emitter: 2 to 20 Receiver: 2 to 70 Emitter: 3 to 25 Receiver: 3 min. 2 to 20
Red LED ("Pin-point" LED) = 650 nm 12 to 24 VDC 10%, ripple (p-p) 10% max. Emitter: 10 mA max. Receiver: 20 mA max. 20 mA max.
Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V 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 Power supply and control output reverse polarity protection Output short-circuit protection Operate or reset: 1 ms max. Incandescent lamp: 5,000 lx max. Sunlight: 10,000 lx max. Operating: -25 to 55 C Storage: -40 to 70 C (with no icing or condensation) Operating: 35% to 85% Storage: 35% to 95% (with no condensation) 20 M min. at 500 VDC 1,000 VAC, 50/60 Hz for 1 min Destruction: 10 to 2,000 Hz, 1.5 mm double amplitude or 300 m/s2 for 0.5 hrs each in X, Y, and Z directions Destruction: 1,000 m/s2 3 times each in X, Y, and Z directions IP67 (IEC60529) Pre-wired (standard length: 2 m) Approx. 40 g Case Display window Lens PBT (polybutylene terephthalate) Denatured polyarylate Denatured polyarylate Methacrylic resin Approx. 20 g Power supply and control output reverse polarity protection Output short-circuit protection, Mutual interreference prevention
Protection circuits
Response time Ambient illumination Ambient temperature range Ambient humidity range Insulation resistance Dielectric strength Vibration resistance Shock resistance Degree of protection Connection method Weight Materials
Accessories
Instruction manual, Installation screws (Side-view Models: M2 x 14, Flat Models: M2 x 8), Nuts, Spring washers, Flat washers, E39-R4 (E3T-SR2@ only), E39-R37 (E3T-SR3@ only)
*1. Values in parentheses indicate the minimum required distance between Sensor and Refelctor.
A-4
Standard Photoelectric Sensors
Diffuse-reflective Flat Sensing method NPN E3T-FD11 E3T-FD12 Sensing distance PNP E3T-FD13 E3T-FD14 NPN E3T-SL11 E3T-SL12
Convergent-reflective Side-view PNP E3T-SL13 E3T-SL14 NPN E3T-SL21 E3T-SL22 PNP E3T-SL23 E3T-SL24 NPN E3T-FL11 E3T-FL12
BGS reflective Flat PNP E3T-FL13 E3T-FL14 NPN E3T-FL21 E3T-FL22 PNP E3T-FL23 E3T-FL24
E3T
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 paper)
Standard sensing object --Minimum detectable object (typical) Hysteresis (white paper) Black/white error Directional angle Light source (wavelength) Power supply voltage Current consumption Control output 0.15 mm dia. (sensing distance of 10 mm) 6 mm max. ----Red LED ("Pin-point" LED) = 650 nm 12 to 24 VDC 10%, ripple (p-p) 10% max. 20 mA max. Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V 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 Power supply and control output reverse polarity protection Output short-circuit protection, Mutual interference prevention Operate or reset: 1 ms max. Incandescent lamp: 5,000 lx max. Sunlight: 10,000 lx max. Operating: -25 to 55 C Storage: -40 to 70 C (with no icing or condensation) 2 mm max. 6 mm max. 0.15 mm dia non-glossy object (sensing distance of 10 mm) 0.5 mm max. 2 mm max. 15% max.
Protection circuits Response time Ambient illumination Ambient temperature range
Ambient humidity range Operating: 35% to 85% Storage: 35% to 95% (with no condensation) Insulation resistance Dielectric strength Vibration resistance Shock resistance Degree of protection Connection method Weight Materials Case Display window Lens Accessories 20 M min. at 500 VDC 1,000 VAC, 50/60 Hz for 1 min Destruction: 10 to 2,000 Hz, 1.5 mm double amplitude or 300 m/s2 for 0.5 hrs each in X, Y, and Z directions Destruction: 1,000 m/s2 3 times each in X, Y, and Z directions IP67 (IEC60529) Pre-wired (standard length: 2 m) Approx. 20 g PBT (polybutylene terephthalate) Denatured polyarylate Denatured polyarylate Instruction manual, Installation screws (Side-view Models: M2 x 14, Flat Models: M2 x 8), Nuts, Spring washers, Flat washers
E3T
A-5
Engineering Data (Typical)
Parallel Operating Range
Through-beam
E3T-ST1@ + E39-S63 Slit (Order Separately)
Distance Y (mm)
200 150 Without Slit 100 0.5-dia Slit 50 0 50 100 150 200 1-dia Slit X Y
E3T-ST1@ + E39-S63 Slit (Order Separately)(Enlarged graph)
Distance Y (mm)
80 60 40 1-dia Slit 20 0 20 40 60 80 0.5-dia Slit X Y
E3T-ST2@
Distance Y (mm)
25 20 15 1-dia Slit 10 5 0.5-dia Slit 0 200 400 600 800 Y Without Slit X
0.4
0.8
1.2
1.6 1.2 Distance X (m)
40
80
120
160 200 Distance X (mm)
5 10 15 20 25
Distance X (mm)
E3T-FT1@ + E39-S64 Slit (Order Separately)
Distance Y (mm)
200 150 100 50 0 50 100 150 200 1-dia Slit 0.5-dia Slit X Y
E3T-FT1@ + E39-S64 Slit (Order Separately)(Enlarged graph)
Distance Y (mm)
80 60 1-dia Slit 40 0.5-dia Slit 20 0 20 40 60 80 X Y
E3T-FT2@
Distance Y (mm)
80 1-dia Slit 60 Without Slit 40 X 20 0.5-dia Slit 0 Y 600 800 Distance X (mm)
0.2
0.4
0.6 0.8 Without Slit
1 1.2 1.4 Distance X (m)
40
80
120
160 200 Distance X (mm)
200
400
20 40 60 80
Through-beam
E3T-SR2@ + E39-R4 (Provided)
Distance Y (mm)
200 150 100 50 0 50
100
E3T-SR3@ + E39-R37 (Provided)
Distance Y (mm)
200 150 100 50 0 50 100 150 200 X Y X Y
200
400
600
800
1000
200
400
600
Distance X (mm)
800 1000 Distance X (mm)
150 200
A-6
Standard Photoelectric Sensors
Operating Range
Diffuse-reflective
E3T-FD1@
Distance Y (mm)
4 3 2 1 0 1 2 3 4 15 0
Convergent-reflective
E3T
X Y 10 20 30 40 Distance X (mm) + 150 Glass 100 Glass 50 0 Stainless steel 50 100 60
Angle of inclination
E3T-SL1@
Distance Y (mm)
15
E3T-SL2@
Distance Y (mm)
Rate of change (%)
4 3 2 1 0 1
Sensing object: 50 x 50 mm white paper
X Y
Sensing object: 50 x 50 mm white paper
10
X Y
Sensing object: 50 x 50 mm white paper
5
10
20
30
40 Distance X (mm)
5
5
10
15
20
25 30 Distance X (mm)
2 3 4
10
BGS Reflective
E3T-FL1@
Distance Y (mm)
5 4 3 2 1 0 1 2 3 4 5 2 4 6 8 10 12 14 16
E3T-FL2@
Distance Y (mm)
10 8 6 4 2 0 2 4 6 8 10 5 10 15 20 25 30 35
Sensing distance X (mm)
Sensing distance X (mm)
Inclination Characteristics
Convergent-reflective
E3T-SL1@ (Top to Bottom)
Rate of change (%)
E3T-SL1@ (Right to Left)
Rate of change (%)
E3T-SL2@ (Top to Bottom)
300 250 200
300 250 200 Stainless steel 150 100 50 0 50 Glass +
Angle of inclination
50 40 20 + 0 20 40 60 80 100 60
Angle of inclination
Stainless steel
100 60
40
20
0
20
40 Angle
60 ()
40
20
0
20
40 60 Angle ()
40
20
0
20
40 Angle
60 ()
E3T
A-7
BGS Reflective
E3T-SL2@ (Right to Left)
Rate of change (%)
E3T-FL1@ (Top to Bottom)
Rate of change in sensing distance (%)
20 15 10 5 0 5 10 15 20 40 White paper Center line
Angle of inclination
E3T-FL1@ (Right to Left)
Rate of change in sensing distance (%)
20 15 10 5 0 5 10 15 20 40 White paper Center line
Angle of inclination
60 40 20 + 0 20 40 Glass 60 80
Angle of inclination
+
+
Stainless steel
100 60
40
20
0
20 40 60 Angle of inclination ()
30
20
10
0
10
20
30
40 ()
30
20
10
0
10
20
30
40 ()
Angle of inclination
Angle of inclination
E3T-FL2@ (Top to Bottom)
Rate of change in sensing distance (%)
20 15 10 5 0 5 10 15 20 40 White paper Center line
Angle of inclination
E3T-FL2@ (Right to Left)
Rate of change in sensing distance (%)
20 15 10 5 0 5 10 15 White paper Center line
Angle of inclination
+
+
30
20
10
0
10
20
30
40 ()
20 40
30
20
10
0
Angle of inclination
10 20 30 Angle of inclination
40 ()
Exess Gain vs. Set Distance
Through-beam
E3T-ST1@
Excess gain ratio
100 50 30
E3T-FT1@
Excess gain ratio
100 50 30
E3T-ST2@
Excess gain ratio
14 12 10 8 6
10 5 3
10 5 3
Operating 1 level
0.5 0.3
Operating 1 level
0.5 0.3
4 2
0.1 0 1000 2000 3000 4000
0.1
0
400
800
1200
1600
2000
Operating 1 level 0
0
300
600
900
1200
Set distance (mm)
Set distance (mm)
Set distance (mm)
A-8
Standard Photoelectric Sensors
Retro-reflective
E3T-FT2@
Excess gain ratio
14 12 10 8 6 4 2
E3T-SR2@ + E39-R4 (Provided)
Excess gain ratio
100 Reflector: E39-R4 50 30
E3T-SR3@ + E39-R37 (Provided)
Excess gain ratio
100 50 30
10 5 3
10 5 3
Operating 1 level
0.5 0.3
Operating 1 level
0.5 0.3
Operating 1 level 0 0
0.1 500 1000 1500 2000 0 200 400 600 800 1000
0.1 0 200 400 600 800
Set distance (mm)
Set distance (mm)
Set distance (mm)
Diffuse-reflective
E3T-FD1@
Excess gain ratio
100 50 30
Convergent-reflective
E3T-SL1@
Excess gain ratio
1000 500 300 100 50 30
E3T-SL2@
Excess gain ratio
100 50 30
10
10
White paper
5 3
White paper White paper
5 3
10 5 3
Operating 1 level
0.5 0.3
Operating 1 level Black paper
0.5 0.3 0.1
Operating 1 level
0.5 0.3
Black paper
Black paper
0 5 10 15 20 0.1 0 10 20 30 40
0.1
0
10
20
30
40
Set distance (mm)
Set distance (mm)
Set distance (mm)
Sensing Object Size vs. Sensing Distance
E3T-SL1@
Min. sensing object dia. (mm)
2.0
E3T-FD1@, E3T-SL2@
Min. sensing object dia. (mm)
10
Sensing object: Pin-gauge, stainless steel
1.6
8
1.2
6 E3T-FD1@ 4
0.8
0.4
2 E3T-SL2@
0
5
10
15
20
0
5
10
15
20
25
30
Set distance (mm)
Set distance (mm)
E3T
A-9
E3T
Sensing Distance vs. Material
Convergent-reflective
E3T-SL1@
Sensing distance (mm) 25
Diffuse-reflective
E3T-SL2@
Sensing distance (mm) 50
E3T-FD1@
Sensing distance (mm) 70 60
41,439
20
40
50
15
30
40
10
20
30
20 5 10 10 0 Black rubber White paper Glass sheet Black paper Stainless Plywood ood Cardboard 0 Black rubber White paper Glass sheet Black paper Stainless Plywood Cardboard 0 Black rubber White paper Glass sheet Black paper Stainless Plywood Cardboard
Material
Material
Material
BGS Reflective
E3T-FL1@
Sensing distance (mm) 20
E3T-FL2@
Sensing distance (mm) Black paper 40
15
30
10
20
5
10
Black rubber
Material
Black rubber
Glass sheet
White paper
White paper
Glass sheet
Material
Sensing Distance Characteristics of Sensitivity Adjustment Unit (when Completing Optical Axial Adjustment)
E3T-ST1@ + E39-E10 Sensitivity Adjustment Unit (Order Serparately)
Sensing distance (m)
3.5 3.0
2.5 2.0 Measurement pattern 2 1.5
1.0 Measurement pattern 1 0.5 0 Min. 1/3 1/2 2/3 Max. Adjustment dial angle
A-10
Black paper
Plywood
Stainless
Cardboard
Stainless
Plywood
Cardboard
0
0
Standard Photoelectric Sensors
I/O Circuit Diagrams
NPN Output
Model Operation mode Timing charts
Light incident Light interrupted Operation indicator (orange) Output transistor ON OFF ON OFF
Output circuit
E3T
Brown Operation indicator (Orange) Stability indicator (Green)
Photoelectric Sensor Main Circuit
1
Through-beam Receivers, Retroreflective and Reflective Models
12 to 24 VDC
Load (Relay)
E3T-@@@1
Light-ON
(Control output)
4
50 mA max.
Black Blue
ZD
3
Operate Load (e.g., relay) Reset (Between brown and black)
Through-beam Emitters
0V
e-CON Connector Pin Arrangement
1 2
Light incident Light interrupted Operation indicator (orange) Output transistor ON OFF ON OFF
Photoelectric Sensor Main Circuit
3 1
Brown
12 to 24 VDC Blue
E3T-@@@2
Dark-ON
3 4
Operate Load (e.g., relay) Reset (Between brown and black)
Note: Pin 2 is not used. Pins 2 and 4 are not used with Through-beam Emitters.
PNP Output
Model Operation mode Timing charts
Light incident Light interrupted Operation indicator (orange) Output transistor ON OFF ON OFF
Output circuit
Through-beam Receivers, Retroreflective and Reflective Models
Operation indicator (Orange) Stability indicator (Green)
Photoelectric Sensor Main Circuit
1
Brown
12 to 24 VDC
E3T-@@@3
Light-ON
ZD
Black
4
(Control output)
3
50 mA max.
Blue
Load (Relay)
Operate Load (e.g., relay) Reset (Between blue and black leads)
0V
e-CON Connector Pin Arrangement
Through-beam Emitters
1
Brown
1
Light incident Light interrupted Operation indicator (orange) Output transistor ON OFF ON OFF
Photoelectric Sensor Main Circuit
3
2
12 to 24 VDC Blue
E3T-@@@4
Dark-ON
3 4
Operate Load (e.g., relay) Reset (Between blue and black leads)
Note: Pin 2 is not used. Pins 2 and 4 are not used with Through-beam Emitters
Connectors
Classification
15.8
432 1
Wire color
Brown White
Connector pin No.
1 2 3 4
Application
Power supply (+V) --Power supply (0 V) Output
E39-ECON@M E39-ECON@M
DC
432 1
Brown White
Note:Pin 2 is nor used.
12 3 4 12 3 4
E39-ECONW@M
E3T
A-11
Safety Precautions
L
! Warning
This product is not designed or rated for ensuring safety of persons. Do not use it for such purpose. Do not apply AC power to the E3T, otherwise the E3T may rupture.
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) ON Operating level x 1.2 Operating level Operating level x 0.8 ON OFF OFF Operation indicator (orange) E3T-@@@1 E3T-@@@2 E3T-@@@3 E3T-@@@4
Precautions for Correct Use
Do not use the product in atmospheres or environment that exceed product ratings.
Stable operation range* Unstable operation range* Stable 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. Load short-circuit protection The E3T incorporates a load short-circuit protection function. If the load short-circuits, the output of the E3T will be turned OFF. Then, recheck the wiring and turn on the E3T again to reset the load short-circuit protection function. The load shortcircuit protection function will work if there is a current flow that is 2.4 times larger than the rated load current. When using an inductance load, be sure that the inrush current will not exceed 2.4 times larger than the rated current.
Light
OFF ON
ON
*If the E3T fs operating level is set to the stable operation range, the E3T will be in most reliable operation without being influenced by temperature change, voltage fluctuation, dust, or setting change. If the operating level cannot be set to the stable operation range, pay attention to environmental changes while operating the E3T.
Use of E39-E10 Sensitivity Adjustment Unit (Dark-ON: E3T-ST12)
(At Min) (At Center) (At Max.) Indicator Adjuster
Mounting
When mounting the Sensor, never strike it with a heavy object, such as a hammer. Doing so may reduce its watertight properties. Use M2 screws and flat or spring washers to secure the Sensor. (Tightening torque: 0.15 N*m max.) Mounting the Sensor on Moving Parts Consider models that use break resistant cables (e.g., Robotics Cables) if the Sensor A will be mounted on a moving part, such as a robot hand. The flexing resistance of Robotics Cable at approximately 400 thousand times is far superior to that of standard cable at approximately 14 thousand times.
B C
1.
Mount the Unit on the Receiver.
R
2. Set the adjuster of the Sensitivity Adjustment Unit to Max. (Before shipping: Max.) 3. After mounting on the Sensor, adjust the optical axis and secure the Sensor. 4. Place a workpiece between the Emitter and Receiver and gradually turn the adjuster counterclockwise toward the Min. side. Stop turning the adjuster when the operation indicator and stability indicator (green) turn ON. 5. Remove the workpiece and confirm that the operation indicator 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 variation of light is small such as when sensing semi-transparent workpieces, carefully perform preliminary testing.
Weight
Cable Bending Rupture Test (Tough Cable Breaking Test)
The cable is repeatedly bent with power supplied to check the number of bends until the current is turned OFF
.
Others
Do not install the E3T in the following locations. * Locations subject to excessive dust or dirt * Locations subject to direct sunlight * Locations subject to corrosive gas * Locations subject to contact with organic solvents * Locations subject to vibration and shock * Locations subject to contact with water, oil, or chemicals * Locations subject to high humidities that might result in condensation
Specimen
Test Bending angle () Bending speed ConLoad tents/ condi- Operation per tions bend Curvature radius of support point (R) Result
Standard cable Robotics cable 2.4 mm dia. (7/ 2.4 mm (20/ 0.127 mm dia.), 0.08 mm dia.), 3 conductors Test 3 conductors 90 each to the left and right 50 times/min 200 g Once in 1 to 3 in the diagram 5 mm
Approx. 14,000 times
Approx. 400,000 times
A-12
Standard Photoelectric Sensors
Dimensions
Sensors
Through-beam Models (Side-view) E3T-ST1@ (Emitter) E3T-ST2@ (Emitter)
7 9.5
Mounting Holes
Two, M2
R2.5
7.7
Two, 2.2 dia. 3.8
90.2
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
2.7 9 Emitter 14.6 18.5
e-CON Pre-wired Connector Model (E3T-ST@@-ECON)
1 2
5.9
15
Emitter: E3T-ST@@-L Receiver: E3T-ST@@-D
4.8 6.6 5.2
2.4-dia. vinyl-insulated round cable with 2 conductors (Conductor cross section: 0.1 mm, Insulator diameter: 0.7 mm), Standard length: 2 m
3 4
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
Terminal No. 1 2 3 4
Specifications +V --0V ---
15.6
E3T-ST1@ (Receiver) E3T-ST2@ (Receiver)
Operation indicator* 7 3.1 Stability indicator 3.45 2.7 R2.5
9.5
Mounting Holes
Two, M2
7.7
Two, 2.2 dia. 3.8 9 14.6
9 0.2
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
18.5
Receiver Lens (1.3 dia.) 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
e-CON Pre-wired Connector Model 5.9 (E3T-ST@@-ECON)
1 2 3 4 15.6
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
Terminal No. 1 2 3 4
Specifications +V --0V Output
15
6.6
4.8 5.2
Through-beam Models (Flat) E3T-FT1@ (Emitter) E3T-FT2@ (Emitter)
12
Mounting Holes
Two, M2 Two, R0.5 3.5 R0.5 80.2
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
Emitter
14
Optical axis
e-CON Pre-wired Connector (E3T-FT@@-ECON)
8.6 15.8
5.9
19 R0.5
1 2 15 3 4
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
15.6
Two, 2.2 dia.
4.4 8
Two, R0.8 1.75
Terminal No. 1 2 3 4
Specifications +V --0V ---
Emitter: E3T-FT@@-L Receiver: E3T-FT@@-D
2.4-dia. vinyl-insulated round cable with 2 conductors (Conductor cross section: 0.1 mm, Insulator diameter: 0.7 mm), Standard length: 2 m
E3T-FT1@ (Receiver) E3T-FT2@ (Receiver)
Two, R0.5 12
Mounting Holes
Two, M2
3.5 R0.5 80.2
Operation indicator Receiver
3.1
Stability indicator Two, R2
2.35 14 8.6
Optical axis Lens (1.3 dia.) Two, 2.2 dia.
4.4 8
15.8
19 R0.5
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
Two, R0.8 1.75
e-CON Pre-wired Connector (E3T-FT@@-ECON)
5.9 1 2 15 3 4
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
15.6
le 2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
Terminal No. 1 2 3 4
Specifications +V --0V Output
E3T
A-13
E3T
Retro-reflective Models (Side-view) E3T-SR2@ E3T-SR3@
Operation indicator
7 2.3
Mounting Holes
11
Two, M2
e-CON Pre-wired Connector (E3T-SR@@-ECON)
Stability indicator
9.2 2.9 Emitter lens (4.0 dia.) 2.5 1.5 6.0 15 20.6 24.5 150.2
5.9 1 2 15 3 4 15.6
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
Two, 2.2 dia.
3.8
Optical axis
Receiver lens (4.0 dia.)
Terminal No. 1 2
6.6 6.3 5.2
Specifications +V --0V Output
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
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
3 4
Diffuse-reflective Models (Flat) E3T-FD1@ @
12
Mounting Holes
Stability indicator
2.5 2 2 3.5
Operation indicator
Emitter lens (1.5 dia.)
3.1
Two, M2
80.2
e-CON Pre-wired Connector (E3T-FD@@-ECON)
5.9 1 2 15 3 4
Optical axis
Receiver lens (2.0 dia.)
19 20.8 11.35
15.6
24
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
Two, 2.2 dia.
1.75 4.4
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
8
Terminal No. 1 2 3 4
Specifications +V --0V Output
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
Convergent-reflective Models (Side-view) E3T-SL1@ E3T-SL2@
Operation indicator
7 2.3
Mounting Holes
11
Two, M2
Stability indicator
9.2 2.9
Two, 2.2 dia.
3.8 6.5*2
150.2
e-CON Pre-wired Connector (E3T-SL@@-ECON)
5.9 1 2 15 3 4
Emitter lens (4.0 dia.) 2.5 2.5*1
15 20.6
15.6
24.5
Optical axis
Receiver lens (4.0 dia.)
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
6.6
6.3 5.2
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
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
Terminal No. 1 2 3 4
Specifications +V --0V Output
A-14
Standard Photoelectric Sensors
12
Operation indicator
Receiver lens (2.8 square)
3.1
Stability indicator
2.5 3 3
3.5
Two, M2
80.2
e-CON Pre-wired Connector (E3T-FL@@-ECON)
5.9 1 2 15 3 4
19 20.8 10.35
15.6
Optical axis
Emitter lens (1.5 dia.)
24
2.4-dia. vinyl-insulated round cable with 3 conductors Standard lengths: 0.3 m and 2 m
Two, 2.2 dia.
4.4 8
1.75
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
* Refer to Mounting the Sensor on Moving Parts on page 16 for details on Robotics Cable models.
Terminal No. 1 2 3 4
Specifications +V --0V Output
Accessories
Reflector (Provided with E3T-SR2@) E39-R4
4 2 9.7 13.7 4.9
23
19
4
Material, reflective surface: acrylic Rear surface: ABS
2
Two, 2.2 dia.
1.4
Reflector (Provided with E3T-SR3@) E39-R37
Mounting bracket
13.7 8.7 Reflective surface: acrylic
Reflector
13.7 8-R1 (1.1)
23 18.3 10.2
18.3
23 Reflector: t 0.5 (adhesive tape side)
Material: Mounting plate: stainless steel (SUS301) Reflective surface: acrylic
Mounting Bracket: t 0.5 Two, 3.1 dia. 2-R1.55
Note: The reflective plate and mounting plate (1) come as a set.
E3T
A-15
E3T
BGS Models (Flat) E3T-FL1@ E3T-FL2@
Mounting Holes
Accessories (Order Separately)
Slit for E3T-ST1@ Through-beam Models E39-S63 Slit for E3T-FT1@ Through-beam Models E39-S64 Sensitivity Adjustment Unit (for E3T-ST1@ Through-beam Models) E39-E10
With Slit Attachment
With Slit Attachment
With Slit Attachment
5.8 7.4 1.00.05 dia. 0.50.05 dia. 12.6 Notch 2.7 12 Optical axis 2 dia. Adjuster 9.7
Two, 2.2 dia.
2.7
12.3
(4.1)
90 7.4 (10.1) 4 (15.1) 18.7
1 dia.
Note: Align the notch direcMaterial: 0.2 mm tion of the Slit when thick stainless steel installing on the Emit(SUS301) ter and Receiver.
0.5 dia.
Material: 0.1 mm thick stainless steel (SUS301)
9.7
Material: 0.1 mm thick stainless steel (SUS301)
Mounting Brackets for Side-view Models E39-L116
(Two, R1.7)
(17.8)
7.5 2-3.4 4.1 1.6 (Two, R2) 5 4 (Two, R2)
Material: 1.2 mm thick stainless steel (SUS304)
11
2.2
(Two, R1.1) 31.2 9.5 90 (10.3)
9.7 (Two, R1.2)
6.2 17.8
R1.5 max.
1.2 10
2.4
With Mounting Bracket (Example: E3T-ST11)
(Four, R2) 3 9 20.5 15 31 24.5 7 31.2 Three, M2 Two, M2 x 14
7.7
A-16
Standard Photoelectric Sensors
Mounting Brackets for Side-view Models E39-L117
R1 max. 90
1.2 (Two, R1.7) 11.2 3.1 4 2-R2 (Two, R2) 2.4
Material: 1.2 mm thick stainless steel (SUS304)
11.5 18 (23) 15
9 9
3.1 3.4 4.5 (Two, R1.7) 5 5 10 (11.2)
2-2.2
(10.3)
(Two, R1.1) 11.2
With Mounting Bracket (Example: E3T-ST11)
Two, M2 x 14 (Four, R2) 3 9 20.5 15 23 16.3 Three, M2 10.2
7.7
6.2
11.2
7
Mounting Brackets for Side-view Models E39-L118
11.5
11.5
1.2
90 90
22.7
5 2.4 4.5 4
(Two, R1.7) 3.1
Material: 1.2 mm thick stainless steel (SUS304)
15 9
9 11.5 18 (23)
2-2.2 5 (Two, R1.1) 3.4
3.1 (Four, R2) 7.7
With Mounting Bracket (Example: E3T-ST11)
(Four, R2) 3 9 20.5 15 16.3 23 Three, M2 Two, M2 x 14 13.2
7
E3T
A-17
E3T
Mounting Brackets for Flat Models E39-L119
10.5 90
1.2
With Mounting Bracket (Example: E3T-FT11)
15
Four, M2 tapped holes 8 3.2 2.4 9 3.5 7
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
4.2 (5.4) 14 22.5 Four, M2 tapped holes 8 3.2 2.4 1.2
With Mounting Bracket (Example: E3T-FT11)
(6.4)
13.5
Material: 1.2 mm thick stainless steel (SUS304)
16 12
8 10.6 2.4 6 13.5 Two, M2 x 8
A-18
Standard Photoelectric Sensors
Terms and Conditions of Sale
1. Offer; Acceptance. These terms and conditions (these "Terms") are deemed part of all quotes, agreements, purchase orders, acknowledgments, price lists, catalogs, manuals, brochures and other documents, whether electronic or in writing, relating to the sale of products or services (collectively, the "Products") by Omron Electronics LLC and its subsidiary companies ("Omron"). Omron objects to any terms or conditions proposed in Buyer's purchase order or other documents which are inconsistent with, or in addition to, these Terms. 2. Prices; Payment Terms. All prices stated are current, subject to change without notice by Omron. Omron reserves the right to increase or decrease prices on any unshipped portions of outstanding orders. Payments for Products are due net 30 days unless otherwise stated in the invoice. 3. Discounts. Cash discounts, if any, will apply only on the net amount of invoices sent to Buyer after deducting transportation charges, taxes and duties, and will be allowed only if (i) the invoice is paid according to Omron's payment terms and (ii) Buyer has no past due amounts. 4. Interest. Omron, at its option, may charge Buyer 1-1/2% interest per month or the maximum legal rate, whichever is less, on any balance not paid within the stated terms. 5. Orders. Omron will accept no order less than $200 net billing. 6. Governmental Approvals. Buyer shall be responsible for, and shall bear all costs involved in, obtaining any government approvals required for the importation or sale of the Products. 7. Taxes. All taxes, duties and other governmental charges (other than general real property and income taxes), including any interest or penalties thereon, imposed directly or indirectly on Omron or required to be collected directly or indirectly by Omron for the manufacture, production, sale, delivery, importation, consumption or use of the Products sold hereunder (including customs duties and sales, excise, use, turnover and license taxes) shall be charged to and remitted by Buyer to Omron. 8. Financial. If the financial position of Buyer at any time becomes unsatisfactory to Omron, Omron reserves the right to stop shipments or require satisfactory security or payment in advance. If Buyer fails to make payment or otherwise comply with these Terms or any related agreement, Omron may (without liability and in addition to other remedies) cancel any unshipped portion of Products sold hereunder and stop any Products in transit until Buyer pays all amounts, including amounts payable hereunder, whether or not then due, which are owing to it by Buyer. Buyer shall in any event remain liable for all unpaid accounts. 9. Cancellation; Etc. Orders are not subject to rescheduling or cancellation unless Buyer indemnifies Omron against all related costs or expenses. 10. Force Majeure. Omron shall not be liable for any delay or failure in delivery resulting from causes beyond its control, including earthquakes, fires, floods, strikes or other labor disputes, shortage of labor or materials, accidents to machinery, acts of sabotage, riots, delay in or lack of transportation or the requirements of any government authority. 11. Shipping; Delivery. Unless otherwise expressly agreed in writing by Omron: a. Shipments shall be by a carrier selected by Omron; Omron will not drop ship except in "break down" situations. b. Such carrier shall act as the agent of Buyer and delivery to such carrier shall constitute delivery to Buyer; c. All sales and shipments of Products shall be FOB shipping point (unless otherwise stated in writing by Omron), at which point title and risk of loss shall pass from Omron to Buyer; provided that Omron shall retain a security interest in the Products until the full purchase price is paid; d. Delivery and shipping dates are estimates only; and e. Omron will package Products as it deems proper for protection against normal handling and extra charges apply to special conditions. 12. Claims. Any claim by Buyer against Omron for shortage or damage to the Products occurring before delivery to the carrier must be presented in writing to Omron within 30 days of receipt of shipment and include the original transportation bill signed by the carrier noting that the carrier received the Products from Omron in the condition claimed. 13. 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 disclaims all other warranties, express or implied. (b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron's sole obligation hereunder shall be, at Omron's election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron's analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty. See http://oeweb.omron.com or contact your Omron representative for published information. Limitation on Liability; Etc. OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY. Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted. Indemnities. 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These Terms are governed by the law of the jurisdiction of the home office of the Omron company from which Buyer is purchasing the Products (without regard to conflict of law principles). (d) Amendment. These Terms constitute the entire agreement between Buyer and Omron relating to the Products, and no provision may be changed or waived unless in writing signed by the parties. (e) Severability. If any provision hereof is rendered ineffective or invalid, such provision shall not invalidate any other provision. (f) Setoff. Buyer shall have no right to set off any amounts against the amount owing in respect of this invoice. (g) Definitions. As used herein, "including" means "including without limitation"; and "Omron Companies" (or similar words) mean Omron Corporation and any direct or indirect subsidiary or affiliate thereof.
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15.
16.
17.
18.
Certain Precautions on Specifications and Use
1. Suitability of Use. Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer's application or use of the Product. At Buyer's request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer's application, product or system. Buyer shall take application responsibility in all cases but the following is a non-exhaustive list of applications for which particular attention must be given: (i) Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this document. (ii) Use in consumer products or any use in significant quantities. (iii) Energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. (iv) Systems, machines and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to this Product. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO 2. 3. ADDRESS THE RISKS, AND THAT THE OMRON'S PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Programmable Products. Omron Companies shall not be responsible for the user's programming of a programmable Product, or any consequence thereof. Performance Data. Data presented in Omron Company websites, catalogs and other materials 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 user must correlate it to actual application requirements. Actual performance is subject to the Omron's 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 part 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 part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron's representative at any time to confirm actual specifications of purchased Product. Errors and Omissions. Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.
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OMRON ELECTRONICS LLC
1 Commerce Drive Schaumburg, IL 60173 847.843.7900
For US technical support or other inquiries: 800.556.6766
OMRON CANADA, INC.
885 Milner Avenue
Toronto, Ontario M1B 5V8
416.286.6465
OMRON ON-LINE Global - http://www.omron.com USA - http://www.omron.com/oei Canada - http://www.omron.ca
E377-E2-01 6/06
(c)2006 OMRON ELECTRONICS LLC Printed in the U.S.A.
Specifications subject to change without notice.

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