Photoelectric Sensor with Built-in Amplifier

E3S CSM_E3S_DS_E_12_1

General-purpose Photoelectric
Sensor for High Quality and Reliable
Detection

Be sure to read Safety Precautions Note: E3S-2/-5/-DS10/-DS30/-R2 in this catalog have been discontinued at the end of March 2014.
on page 8.

Ordering Information
General-purpose Sensors
Sensing method Appearance Sensing distance Operation mode Model
Convergent-reflective
30 to 100 mm (variable) E3S-LS10XE4 2M
(narrow vision field)
Convergent-reflective
50 to 250 mm (variable) E3S-LS20XE4 2M
(wide vision field)
E3S-2E4 *
2m Emitter E3S-2LE4 *
Receiver E3S-2DE4 *
Through-beam
E3S-5E4 *
5m Emitter E3S-5LE4 *
Receiver E3S-5DE4 *
Retro-reflective 0.1 to 2 m E3S-R2E4 *

100 mm Light-ON/Dark-ON E3S-DS10E4 *

Diffuse-reflective (selectable)
300 mm E3S-DS30E4 *
E3S-2E41 *
2m Emitter E3S-2LE41 *
Receiver E3S-2DE41 *
Through-beam
E3S-5E41 *
5m Emitter E3S-5LE41 *
Receiver E3S-5DE41 *
Retro-reflective 0.1 to 2 m E3S-R2E41 *

100 mm E3S-DS10E41 *
Diffuse-reflective
300 mm E3S-DS30E41 *
* Production was discontinued.

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Ratings and Specifications
Retro-re-
Sensing method Through-beam Diffuse-reflective Convergent-reflective
flective
E3S-
E3S-2E4 E3S-5E4 E3S-R2E4 DS10E4 E3S- E3S- E3S- E3S-
Model
E3S-2E41 E3S-5E41 E3S-R2E41 E3S- DS30E41 DS30E4S LS10XE4 LS20XE4
Item DS10E41
30 to 100 mm 50 to 250 mm
100 mm
300 mm Continuously Continuously
Sensing distance 2m 5m 0.1 to 2 m (white paper
(white paper 100 x 100) variable variable
50 x 50 mm)
(10 x 10 mm) (50 x 75 mm)
Standard sensing Opaque: 7- Opaque: 11- Opaque: 30-
Transparent, opaque
object mm dia. min. mm dia. min. mm dia. min.
1.5 mm max.
at 30 mm 5% max. at 50
Differential travel --- 20% max. of setting distance
10 mm max. to 250 mm
at 100 mm
Both emitter and receiver:
Directional angle 3° to 10° ---
3° to 10°
Light source Infrared LED RED LED Infrared LED
(wavelength) (950 nm) (660 nm) (950 nm)
Power supply
12 to 24 VDC ±10%, ripple (p-p): 10% max.
voltage
50 mA max.
Current
(Emitter: 25 mA max., 40 mA max.
consumption
Receiver: 25 mA max.)
Control output
(solid-state out- Output current: 1.5 to 4 mA, Load current: 80 mA max. (residual voltage: 2 V max.) ➜ Refer to page 4.
put)
Response time Operate or reset: 3 ms max. Operate or reset: 1 ms max.
Sensitivity
With an indicator
adjustment
Ambient
Incandescent lamp: 3,000 lx max.
illumination
Sunlight: 10,000 lx max.
(Receiver side) *
Ambient
Operating: −25 to 55°C, Storage: −40 to 70°C (with no icing or condensation)
temperature
Ambient humidity Operating: 35% to 85%, Storage: 35% to 95% (with no condensation)
Insulation
20 MΩ min. at 500 VDC
resistance
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min
Vibration
resistance 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
(destruction)
Shock resistance
500 m/s2 3 times each in X, Y, and Z directions
(destruction)
Degree of
IEC IP65 IEC IP67 IEC IP65 IEC IP67
protection
Connection
Pre-wired cable (standard length: 2 m)
method
Indicators Light indicator (red), Stability indicator (green)
Polybuty- Polybuty-
Case lene tereph- Zinc die-cast lene tereph- Zinc die-cast
thalate thalate
Material Lens * Polycarbonate
Mount-
ing Iron
Bracket
* The ambient operating illumination is the illumination that changes the output ±20% at 200 lx. It is not the operational limit.

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Engineering Data (Reference Value)
Parallel Operating Range
E3S-2E4 (41) E3S-5E4 (41)
100
Parallel movement distance Y (mm)

240

Parallel movement distance Y (mm)

E3S-2E41
90 220

200
80
180
70
E3S-2E4 160
60
140
50 120

40 100

30 80

60
20
Parallel movement 40 Parallel movement
distance Y distance Y
10
20
Distance X Distance X

0 0.5 1 1.5 2 2.5 3 0 1 2 3 4 5 6 7

Distance X (m) Distance X (m)

Operating Range
E3S-DS10E4 (41) E3S-DS30E4 (41)
10
Operating position Y (mm)

7.0
Operating position Y (mm)

Optical axis Optical axis (Y)

6.0 (Y)
(−Y) 8 (−Y)
5.0 Operating Operating
position position
Operating Standard sensing object Operating
4.0 distance (X) (50 x 50 mm)
6 distance (X) Standard sensing object
(100 x 100 mm)
3.0
4
2.0
1.0 2

0 0
20 40 60 80 100 120 140 160 20 40 60 80 100 120 140 160
1.0 Operating
distance 2 Operating
2.0 distance
X (mm)
4 X (mm)
3.0
4.0 6
5.0 8
6.0
7.0 10

E3S-LS10XE4 E3S-LS20XE4
Operating position Y (mm)

3
Operating position Y (mm)

20
Optical axis (Y) Optical axis (Y)
(−Y)
(−Y)
Operating 15 Operating
2 position
position
Operating Standard sensing object Operating
distance (X) (10 x 10 mm) Standard sensing object
distance (X) (50 x 75 mm)
10
(Range at minimum setting)

1 3
2 5
1
Min. distance set
0 0 0
20 40 60 80 100 120 140 160 50 100 150 200 250 300 350
Operating 1
Operating
distance 2 5 distance
1 X (mm)
3 X (mm)
10
2 Adjust the Adjust the Max. distance set
distance: 30 mm distance: 100 mm 15

3 20

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Sensing Distance vs. Size of Sensing Object Parallel Operating Range

E3S-DS30E4 (41) E3S-R2E4 (41) (42)
E3S-DS10E4 (41) E3S-LS20XE4
Operating distance (mm)

Operating distance (mm)

Parallel movement distance Y (mm)

600 500 100
The larger the sensing object,
the longer the operating distance.
500 80
E3S-DS30E4 (1) 400

d
400
60
White
d 300
paper
Short edge
300 Sensing
object 40
E3S-DS10E4 (1)
White Long
200 paper edge
200
Sensing object
20 Parallel movement
distance Y
Short: Long ratio = 2:3
100 100
Distance X

0 50 100 150 0 50 100 150 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2
Side length (one side) of sensing object d (mm) Short edge of sensing object (mm) Distance X (m)

Excess Gain vs. Set Distance Load Residual Voltage Characteristics

E3S-LS10XE4 E3S-LS3RC4
100 2.0

Residual voltage (V)

Excess Gain Ratio (times)

10,000
Receiver output (mV)

• Sensitivity adjuster at
Received light maximum setting Standard sensing object
5,000 50 (white paper)
output peak: • The characteristics are for
Received light
3,000 30 mm when the distance where the 30
output peak:
received light output reaches Setting
50 mm 1.5
its peak is set to 30, 50, and distance
100 mm using the distance Standard sensing
1,000 adjuster.
10 object
(black carbon)
500 5
Received light output peak:
100 mm 3 1.0
300

Operating voltage
100 1
Operating 0.5
50 level 0.5

30 0.3

0 20 40 60 80 100 120 140 160 0 20 28 36 44 52 0 20 50 80 100 150 200

Distance (mm) Set distance (mm) Load current (mA)

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I/O Circuit Diagrams

Item Opera-
Wire Power tion Output circuit Timing charts
Model color polarity mode
Brown *1 12 to 24 VDC
Stability
Light indicator Incident light
indicator (green)
(red) Load 1
Brown + (relay) Light
No incident light
Photo- 1.5 to ON
electric 4 mA Black indicator
Sensor (red) OFF
main Load 2 *2 Output ON
Light-ON circuit
Z transistor
OFF
Load 1
Blue *1 0V (e.g., relay) Operate
Reset (Between brown and black)
Blue 0V Z: Zener diode (Vz = 30 V) Load 2 H
*1: Reverse the polarity of the power supply to switch the L (Between blue and black)
operating mode.
*2: Voltage output (when connecting transistor circuit)
E3S
Brown *1 0V
Stability
Light indicator
indicator (green) Incident light
(red)
Brown 0V Load 2 *2 No incident light
Photo- 1.5 to Light
electric 4 mA Black indicator ON
Sensor
main  Load 1
(red) OFF
circuit (relay) Output ON
Dark-ON Z transistor
OFF
Load 1
Blue *1 12 to 24 VDC (e.g., relay) Operate
Reset (Between blue and black)
Blue + Z: Zener diode (Vz = 30 V) Load 2 H
*1: Reverse the polarity of the power supply to switch the
L (Between brown and black)
operating mode.
*2: Voltage output (when connecting transistor circuit)

5
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Connection
● With Relay Load
Through-beam Sensors Retro-reflective Sensors
Light Interrupted and Load Operating for E3S-2E4 (41) Light Interrupted and Load Operating for E3S-R2E4 (41)
and -5E4 (41) (42), -DS10E4(41), and -DS30E4 (41)
Blue
Load 0V
80 mA max. 12 to 24 V Brown
Pink Black 80 mA max. Black
Emitter Receiver Load Output
12 to 12 to
24 V Blue Blue 24 V

0V 0V
Brown Brown

Note: The indicator will function as a light indication if the Emitter's pink wire is
connected to the Receiver's black wire as indicated by the dotted line. The
indicator will function as a power indicator if the Emitter's pink wire is
connected to the Emitter's blue wire.

● Connection with S3D2 Sensor Controller

Reverse operation is possible using the signal input switch on the S3D2.
Sensing
Through-beam Reflective
method

Brown Emitter Receiver Brown

Black
Blue

IN1 Black
Blue Blue
Brown
IN
12 V 0V 1 0V
12 V
Connection
7 8 9
method 7 8 9

10 11 12 10 11 12

4 5 6 4 5 6

1 2 3 1 2 3
S3D2 S3D2

6
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Adjustment Methods
● Adjusting the E3S-LS10XE4 Convergent-reflective ● Adjusting the E3S-LS20XE4 Convergent-reflective
Sensor Sensor
A Adjustment Method 1
Sensitivity adjustment
Use this method if the sensing object is more reflective than
the background.
E3S-LS10XE4
Distance adjustment scale
Sensing object
Distance adjuster

Distance adjuster

* Align the distance adjustment scale Background

with the groove on the Sensor. Center object

1. Attach the distance adjustment scale as shown in the figure

and set it where the * mark is equal to the sensing distance.
2. Turn the distance adjuster until the red spot is at point A
(center of the distance adjustment scale). 1. Set the sensitivity adjuster to the center as shown in the
3. Remove the distance adjustment scale once the distance figure.
has been adjusted. Put a sensing object in place, and then 2. Turn the distance adjuster counterclockwise until it is fully
adjust the sensitivity. turned (L to S).
3. Position the sensing object.
4. Slowly turn the distance adjuster clockwise (S to L).
5. Eventually the LIGHT (red) indicator will light. Turning the
adjuster further will light the STABILITY (green) indicator.
Leave the distance adjuster at this level.
6. Adjust the sensitivity in this state.

Adjustment Method 2
Use this method if the background is more reflective than the
sensing object.
Sensing object
Distance adjuster

Background
Center object

1. Set the sensitivity adjuster to the center as shown in the

figure.
2. Turn the distance adjuster clockwise until it is fully turned (S
to L).
3. Remove the sensing object.
4. Slowly turn the distance adjuster counterclockwise (L to S).
5. Eventually the LIGHT (red) indicator will light. Turning the
adjuster further will light the STABILITY (green) indicator.
6. Adjust the sensitivity in this state.

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Safety Precautions
Be sure to read the precautions for all models in the website at: http://www.ia.omron.com/.
Warning Indications Precautions for Correct Use
Warning level
Indicates a potentially hazardous situation which, 1. Do not use the product in any atmosphere or environment
WARNING if not avoided, will result in minor or moderate injury, that exceeds the ratings.
or may result in serious injury or death. Additionally
there may be significant property damage.
2. Use M4 screws to mount the sensor and tighten each
screw to a maximum torque of 1.2 N-m.
Precautions Supplementary comments on what to do or avoid 3. Do not apply the forces on the cable exceeding the
for Safe Use doing, to use the product safely.
following limits:
Precautions Supplementary comments on what to do or avoid Pull: 40 N; torque: 0.1 N-m; pressure: 20 N; bending: 29.4 N
doing, to prevent failure to operate, malfunction or
for Correct Use undesirable effect on product performance. 4. Make sure to tighten the connectors.
5. It may take time until the incident level and measurement
Meaning of Product Safety Symbols value become stable immediately after the power is turned
on depending on use environment.
General prohibition 6. Burn injury may occur. The product surface temperature
Indicates the instructions of unspecified prohibited
action. rises depending on application conditions, such as the
ambient temperature and the power supply voltage.
Attention must be paid during operation or cleaning.
WARNING
If the sensing object has a metallic or shiny surface, the E3S-
This product is not designed or rated for R may not detect it properly. To avoid this situation, place the
ensuring safety of persons. sensing object so that it is not at right angles to the
Do not use it for such purposes. Photoelectric Sensor.
Reflector

Glossy surface Sensing object

Precautions for Safe Use
The following precautions must be observed to ensure safe 10° to 20°

operation.
1. Doing so may cause damage or fire. Do not install the Create an angle.

product in the following locations.

• Locations subject to direct sunlight
• Locations subject to condensation due to high humidity ● Attaching the E39-S Slit
• Locations subject to corrosive gas • The Slit can be fitted vertically or horizontally as indicated
• Locations subject to vibration or mechanical shocks by the dotted line. Make sure that Slits for the Emitter and
exceeding the rated values the Receiver are fitted in the same orientation.
• Locations subject to steam • Place the packing in the supporter and hook the claws on
• Locations subject to strong magnetic field or electric field the indentations in the Sensor head.
2. Do not use the product in environments subject to • If the supporter is contacting the mounting surface, insert a
flammable or explosive gases. spacer to separate it. (Refer to Slit Dimensions.)
3. Do not use a voltage in excess of the operating voltage • An operating position accuracy of 0.1 mm max. can be
range. Applying a voltage in excess of the operating achieved for a Through-beam Sensor without Slits.
voltage range, or applying AC power to a DC Sensor may Supporter
cause explosion or burning.
4. Doing so may cause damage, fire, explosion or Slit
malfunction. Packing B

• Never use the product with damaged body or cable. Sensor head
Cut-out section
• Never disassemble, repair nor tamper with the product. Claws

• Never use the product with incorrect power supply or

wiring. Protrusion
Packing A
5. Do not short the load. Otherwise explosion or burning may
Indentation
result.
6. Do not use the Sensor in environments where the cables
may become immersed in oil or other liquids or where Sensor with Slits
liquids may penetrate the Sensor. Doing so may result in Applicable
Photoelectric E3S-5E4, -5E41 E3S-2E4, -2E41
damage from burning and fire, particularly if the liquid is Sensor
flammable. Model E39-S1 E39-S2
Slit
7. Do not use in water or outside. Item
width
0.5 mm 1 mm 2 mm 4 mm 0.5 mm 1 mm 2 mm

8. When disposing of the product, treat it as industrial waste. Sensing

230 mm 580 mm 1200 mm 2500 mm 170 mm 420 mm 820 mm
distance
Sensing object 0.5 mm 1 mm 2 mm 4 mm 0.5 mm 1 mm 2 mm
Degree of
IP60
protection

8
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● Sensors with Open-collector Outputs ● Sensors with Different Orientations

Sensors with Open-collector Outputs The E3S-5, E3S-DS30, and E3S-R2 that sense in different
Rated Output directions can be made.
Output Output Switching
Type current protection
type transistor
output
current
circuit
Sensing
Sensing direction
Provided against method
Voltage or
E current NPN
1.5 to 80 mA max. an increase in the E3S-5E43
4 mA (sinking) residual output
output
voltage
Open- 100 mA Provided:
C collector NPN --- max. Output transistor
output (sinking) cutoff
Open- 100 mA Provided:
B collector PNP --- max. Output transistor
output (sourcing) cutoff
Receiver

The model numbers are as follows:

Example: Through-
Emitter

E3S-DS10E4 (E type) beam E3S-5E44

E3S-DS1C4 (C type)
E3S-DS1B4 (B type)
C4 (C41, C42) Sensors
Brown * +V

Load Receiver
(relay)
Photo-
electric Black (output)
Sensor Emitter
main Z
circuit
E3S-DS30E43
2.2 Ω E3S-R2E43
Blue * 0V
Retro-
reflective
C4 (B41, B42) Sensors Diffuse-
reflective
Brown * +V

2.2 Ω Z

Photo-
electric Black (output)
Sensor
main
circuit
Load
(relay)
Blue * 0V

Z: Zener diode (Vz = 30 V)

* The operation mode depends on the wiring of the
brown and blue lines.

Note 1. Only C42 models with die-cast cases are available.

2. The Emitter for a Through-beam C4-type Sensor is the same as the
Emitter for an E4-type Sensor. (E.g., E3S-5LE4)
3. When a C- or B- type Sensor experiences a load short-circuit or overload,
the output transistor will be turned OFF. Check the load conditions before
turning the power back ON.

9
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(Unit: mm)
Dimensions Unless otherwise specified, the tolerance class IT16 is used for dimensions in this data sheet.

General-purpose Sensors

E3S-2E4 E3S-2E41

4-dia. vinyl-insulated round cable with 2/3 conductors

4-dia. vinyl-insulated round cable with 2/3 conductors (Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm),
(Conductor cross section: 0.2 mm2, Standard length: 2 m
Insulator diameter: 1.1 mm), Weight: Emitter and Receiver, 80 g each
Standard length: 2 m
Weight: Emitter and Receiver, 80 g each Indicator
Sensitivity adjuster*2 (50)
Indicator Sensitivity adjuster*2
(50) 40
18.8 a*1 40 5 a*1 32.3
8.3 5
9.9 18.8 Lens: 7 dia. 9 11.4
16 9 11.4 6 dia. 6 dia.
Lens: 7 dia.

12.8 dia. 15.4 12.8 dia.

15.4
16.7 16.7 16.7
16.7 9
9 16 4
16 4
3.2 3.2
2.7 1.2 3.2 4
1.2 3.2 4
5.5 5.5
9 20 E39-L3 9 20
25.1 Two, M3 30
16.2 30
25.1 Two, M3 *1 The mounting bracket can also be used on side a.
* The mounting bracket can also be used on side a.
1
*2 Receiver only.
*2 Receiver only.

E3S-5E4 E3S-5E41

4-dia. vinyl-insulated round cable with 2/3 conductors

(Conductor cross section: 0.2 mm2, 4-dia. vinyl-insulated round cable with 2/3 conductors
Insulator diameter: 1.1 mm), (Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm),
Standard length: 2 m Standard length: 2 m
Weight: Emitter and Receiver, 155 g each Weight: Emitter and Receiver, 165 g each
Indicator Sensitivity adjuster*2 Indicator Sensitivity adjuster*2
(67)
(75)
23 a*1 55
7 23 a*1 63
20 Lens: 11 dia. 11 13 Lens: 11 dia. 7
20 11 13

20.4 20 13 dia.
20.4 20 13 dia.
22.2
22.2
20
5 4.2 20
5 4.2
1.6 2.1R 4.2 5 2.1R
1.6 2.1R 4.2 5 2.1R
12 25.4
6.5 1.9 E39-L6 12 18.6
22 Two, M4 39
(32) Two, M4 25.4
(32) slotted hexagonal bolts slotted hexagonal bolts 6.5 1.9
39
*1 The mounting bracket can also be used on side a.
*2 Receiver only. *1 The mounting bracket can also be used on side a.
*2 Receiver only.

Note: Models numbers for Through-beam Sensors (E3S-@E4, E3S-@E41) are for sets that include both the Emitter and Receiver.
The model number of the Emitter is expressed by adding "L" to the set model number (example: E3S-2LE4), the model number of the Receiver, by adding "D"
(example: E3S-2DE4.) Refer to Ordering Information to confirm model numbers for Emitter and Receivers.

10
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E3S-DS10E4 E3S-DS10E41

4-dia. vinyl-insulated round cable with 3 conductors

(Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm), 4-dia. vinyl-insulated round cable with 3 conductors
Standard length: 2 m (Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm),
Weight: Approx. 80 g Standard length: 2 m
Weight: Approx. 80 g
Indicator Sensitivity adjuster
Lens: 7 x 13 a* (50)
(50)
5 a* Lens: 7 x 13 40
21 40
21 29.5 5
10.5 9 11.4
16 Sensitivity 5 11 Emitter 5.5
adjuster Receiver

15.4 6 dia. 12.8 dia.

15.4 6 dia.12.8 dia.
16.7 16.7
9 16.7 16.7
16 4 9
3.2 16 4
3.2
1.2 Emitter 3.2 4
1.2 3.2 4
9 5.5 Indicator
Receiver 20 5.5
9 20
16.8 30
Two, M3 27.3 30
27.3 Two, M3
* The mounting bracket can also be used on side a. * The mounting bracket can also be used on side a.

E3S-R2E4 E3S-R2E41
E3S-DS30E4 E3S-DS30E41

4-dia. vinyl-insulated round cable with 3 conductors 4-dia. vinyl-insulated round cable with 3 conductors
(Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm), (Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm),
Standard length: 2 m Standard length: 2 m
Weight: Approx. 155 g Weight: Approx. 165 g

Indicator Sensitivity adjuster

Indicator Sensitivity adjuster
a* (75)
23 (67) Lens: 10 x 15
a* 23 63
20 55 7
7.1 Lens: 10 x 15 7 20 Emitter 11 13
11 13 Receiver

20.4 20 13 dia.
20.4 20 13 dia.
22.2
22.2
5
20 4.2
20 4.2
5
Emitter 2.1R
1.6 2.1R 1.6 5
5 4.2
4.2 2.1R
6.5 2.1R 12 18.6
12 Receiver 25.4
(32) Two, M4 25.4
22 39 1.9 slotted hexagonal bolts 6.5
Two, M4 39 1.9
24.9 slotted hexagonal bolts
(32) * The mounting bracket can also be used on side a.
* The mounting bracket can also be used on side a.

11
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E3S-R2E42 E3S-LS10XE4
E3S-LS20XE4 4-dia. vinyl-insulated round cable with 3 conductors
(Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm),
Standard length: 2 m
4-dia. vinyl-insulated round cable with 3 conductors Weight: Approx. 225 g
(Conductor cross section: 0.2 mm2, Insulator diameter: 1.1 mm),
34
Standard length: 2 m
Weight: Approx. 165 g 6 20 2.1R
Indicator 3 4.2
21.5
18.6
11
Lens:
10 x 15 24 4.2
5

17

11 Distance adjuster
Receiver 26
7.1 Sensitivity adjuster
Emitter Two, M4
Sensitivity adjuster slotted hexagonal bolts Lens:
Indicator 14 x 47 6
a* 20
(75)
23 63 5
7
20 11 13
Emitter

20.4 20 13 dia. Optical axis 8 dia. 55

45
10.2
70
22.2 Receiver 4.9

20 45
5 4.2

1.6 2.1R 4.2 5 2.1R

1.6 Two,
12 25.4 4.4 dia.
6.5 1.9
(32) Two, M4 39 16
slotted hexagonal bolts 50
* The mounting bracket can also be used on side a.

Mounting Hole Dimensions

E3S-2E4 E3S-LS10XE4 Two, M3 E3S-5E4 E3S-DS30E4 Two, M4
E3S-2E41 E3S-LS20XE4 E3S-5E41 E3S-DS30E41
E3S-DS10E4 E3S-R2E4 25.4
20
E3S-DS10E41 E3S-R2E41 (42)

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Accessories (Order Separately)

Special Mounting Bracket
E39-L2 92.1
82.1
Mounting Holes
Two, M4
10.2
20.2

25.4

5
41 25.4
4.2

Two, M4 slotted Applicable models:

4.2
hexagonal bolts E3S-5E41
E3S-R2E41
5.6 5 E3S-DS30E41
2.1R
25 25.4 9 29.1

E39-L4
68.5
60.8

Mounting Holes

15.70 Two, M3

20 4 20
33
3.2
3.2
Two, M3
5
Applicable models:
4 E3S-2E41
20 4
20 28.5 E3S-DS10E41

Reflector
E39-R1
(Provided with the E3S-R2E4(41) Retro-reflective Reflector.) 40.3
Two, 3.5 dia. 34
7.5
7

59.9 52

Material:
Reflective surface: Acrylic 8
Rear surface: ABS
1.6 2.7

Sensitivity Adjuster (Provided) 4

E39-G1
9.3 dia. 13 dia.

Applicable models:
Provided with the E3S-5E4(41), E3S-DS30E4(41), E3S-R2E4(41).
Note: Cannot be used for the E3S-DS10E4 (41).

13
 E3S

Slit (Order Separately) Slit E39-S2

10.5
E39-S2 13 1.8 Applicable E3S-2E4
Sensors E3S-2E41
17.8 1.2 Note 1. Three sets of slits are provided:
17.9 6.5 x 0.5 mm, 6.5 x 1 mm and 6.5 x
(16.7) 2 mm
2. One set consists of two slits, one
E39-S2 each for the Emitter and Receiver.

*Spacer

E39-S1 Slit E39-S1

8.3 Applicable E3S-5E4
20 2.1 Sensors E3S-5E41
Note 1. Four sets of slits are provided:
1.2 11 x 0.5 mm, 11 x 1 mm, 11 x 2 mm,
22.4
and 11 x 4 mm
23.4 2. One set consists of two slits, one
(22.2) each for the Emitter and Receiver.

E39-S2

Note: The dimensions in parentheses are for when the Spacer is not used. *Spacer
* With the E3S-2E4 (41), use the Spacer as shown in the figure above so that the supporter
and Mounting Bracket will not be struck when the optical axis is adjusted.
With the E3S-5E4 (41), the Spacer is not particularly required. Use the Spacer, however, to directly mount both the E3S-2E4 (41) and -5E4 (41).

In the interest of product improvement, specifications are subject to change without notice.

14
 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
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://www.omron.com/global/ 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.

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.
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 ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) 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.

2016.9
In the interest of product improvement, specifications are subject to change without notice.

OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2016 All Right Reserved.