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PDF E3T Data sheet ( Hoja de datos )

Número de pieza E3T
Descripción Photoelectric Sensor
Fabricantes Omron 
Logotipo Omron Logotipo



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Photoelectric Sensor with Built-in Amplifier (Ultracompact and Thin Type)
E3T
www.DataSheet4U.com
CSM_E3T_DS_E_9_1
New Retro-reflective Sensors
Added to the Series. Further
Contributions to Equipment
Downsizing.
• Coaxial Retro-reflective for reliable positioning applications.
• Series now includes BGS* reflective model with black/white error
of 15%
• Easy optical axis adjustment with emitter axis accuracy of ±2°
(Through-beam Model)
• Noise and external light resistance enhanced to that of E3Z or
equivalent
• Output reverse polarity protection provides reliable support
against incorrect wiring.
• The Series includes models with M12 Smartclick pre-wired
connectors (-M1TJ)
* BGS (Background Suppression) technology prevents detecting background objects.
Be sure to read Safety Precautions on
page 14.
Features
E3T-SR4@
: Retro-reflective Sensor with Enhanced
Compactness and High Performance
• Perform detection from a small hole.
With a coaxial optical system, the lens diameter is only 2 mm.
Sufficient incident light is obtained even through a small hole.
The Coaxial Retro-reflective Sensor can be used for reliable application with positioning.
• Improved Stability of Short-distance Detection
A detection distance as short as 10 mm can be used with a Tape Reflector.
Detection is stable through a hole whether the distance is 10 mm or 100 mm (except in combination with the
E39-R4).
E3T-FL1@/-FL2@: The Slimmest BGS (Background Suppression) Reflective Photoelectric
Sensors in the World
Ultra slim at 3.5 mm and
black/white error of only
15%.
For example, the E3T-
20mm
Not detected
15mm
Rated sensing distance
FL1@ can stably detect a
black object at 12 mm
12mm
Detected
without being affected by a
white background at
20 mm.
OMRON provides BGS
performance sharper than
the previous Convergent-
reflective Sensors.
3.5mm
Black
object
White
background
E3T-FL1
Dramatic Improvement in Black/White Error
(mm) 25
20
15
10
5
0
White paper Black paper White paper Black paper
E3T-FL1
E3T-SL1
(BGS Reflective Model) (Convergent-reflective Model)
1

1 page




E3T pdf
E3T
www.DataSheet4U.com
Accessories (Order Separately)
Slits (Refer to Dimensions on page 18.)
Slit width
0.5-mm dia.
Sensing distance
(typical) (Sensor model)
100 mm (E3T-ST1@)
30 mm (E3T-ST2@)
Minimum detectable
object (typical)
0.5-mm dia.
1-mm dia.
300 mm (E3T-ST1@)
100 mm (E3T-ST2@)
1-mm dia.
0.5-mm dia.
50 mm (E3T-FT1@)
30 mm (E3T-FT2@)
0.5-mm dia.
1-mm dia.
100 mm (E3T-FT1@)
50 mm (E3T-FT2@)
1-mm dia.
Model
E39-S63
E39-S64
Quantity
Remarks
One each for Emitter and
Receiver; common with Slit
widths of 1 dia. and 0.5 dia.
(total of 2)
Plug-in type round slits
Can be used with E3T-ST@@
Through-beam Models.
Plug-in type round slits
Can be used with E3T-FT@@
Through-beam Models.
Reflectors (For Small Reflectors, refer to Dimensions on page 17. For Tape Reflectors , refer to E39-L/F39-L/E39-S/E39-R.)
Name
Small
Reflectors
Tape
Reflectors
Recommended
Sensor
E3T-SR4@
E3T-SR4@-S
E3T-SR4@-C
Sensing distance
200 mm (30 mm) *1
100 mm (10 mm) *1
100 mm (10 mm) *1
Minimum
detectable object
2-mm dia.
Model
E39-R4
E39-R37-CA *2
E39-RS1-CA *2
E39-RS2-CA *2
E39-RS3-CA *2
Quantity
1
Remarks
Provided with the E3T-SR4@
Provided with the E3T-SR4@-S
Use Tape Reflectors in combina-
tion with the E3T-SR4@-C, which
does not come with a Reflector.
*1. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
*2. The E3T-SR4@ cannot be used with the E39-R37 or E39-RS1/2/3 (without CA) Tape Reflectors.
The E39-@-CA Reflector is for use only with the E3T-SR4@. It cannot be used with other Sensors.
Sensitivity Adjustment Unit (Refer to Dimensions on page
18.)
Sensing
Appearance distance Model Quantity
(typical)
Remarks
Can be used with
300 to
800 mm
E39-E10
1
the E3T-ST1@
Through-beam
Models.
Mounting Brackets (Refer to Dimensions on page 18.)
Appearance
Model Quantity
Remarks
E39-L116
Can be used with the
E3T-S@@@ Side-view
E39-L117
Models. (A securing nut
plate is provided with the
Mounting Bracket.)
E39-L118
1
E39-L119
E39-L120
Can be used with the
E3T-F@@@ Flat Models.
Note: When using Through-beam models, order one bracket for the
Receiver and one for the Emitter.
Set of Mounting Screws
Applicable sensors
Model
Description
Material
Quantity
Remarks
Side-view models
E3T-S@@@
E39-L164
Flat models
E3T-F@@@
E39-L165
Phillips screws (M2 × 14)
Hexagonal nuts (M2)
Spring washers (M2)
Flat washers (M2)
Phillips screws (M2 × 8)
Hexagonal nuts (M2)
Spring washers (M2)
Flat washers (M2)
Iron, zinc plating
Iron, zinc plating
Iron, nickel plating
Iron, zinc plating
Iron, zinc plating
Iron, zinc plating
Iron, nickel plating
Iron, zinc plating
2 for each
Provided with the
side-view models
E3T-S@@@.
Provided with the flat
models E3T-F@@@.
Note: If a Through-beam Model is used, order two sets of Mounting Screws, one for the Emitter and one for the Receiver.
Used for mounting sensors. Order the set separately if it becomes lost or damaged.
These screws are not used for mounting brackets to the equipment.
5

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E3T arduino
E3T
www.DataSheet4U.com
E3T-FT2@
Retro-reflective
E3T-SR2@ + E39-R4 (Provided)
Diffuse-reflective
E3T-FD1@
14 100 100
50 50
12
30 30
10
8
6
4
2
Operating 1
level 0
0
500 1000
Convergent-reflective
E3T-SL1@
E3T-SR4@+E39-R4
10
5
3
Operating
level 1
0.5
0.3
E3T-SR4@+E39-R37-CA
10
5
3
Operating 1
level
0.5
0.3
1500
2000
0.1
0
100
200
300 0.1 0
Set distance (mm)
Set distance (mm)
E3T-SL2@
White paper
Black paper
10 20 30 40
Set distance (mm)
1000
500
300
100
50
30
10
5
3
Operating 1
level
0.5
0.3
0.1 0
100
50
30
White paper
10
5
3
Operating 1
level
0.5
0.3
Black paper
5 10 15 20 0.1 0
Set distance (mm)
White paper
Black paper
10 20 30 40
Set distance (mm)
Sensing Object Size vs. Sensing Distance
E3T-SL1@
E3T-FD1@, E3T-SL2@
2.0 10 Sensing object: Pin-gauge, stainless steel
1.6 8
1.2 6
E3T-FD1@
0.8 4
0.4 2
E3T-SL2@
0 5 10 15 20 0 5 10 15 20 25 30
Set distance (mm)
Set distance (mm)
11

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