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Distance-settable Photoelectric Sensor with Metal Case
E3S-CL
CSM_E3S-CL_DS_E_5_2
Simply Set the Distance to Reliably
Detect Workpieces of Various Colors
• Reliable detection regardless of color or material.
Black/white error of only 2% max. (E3S-CL1)
• Long sensing distance of 500 mm (E3S-CL2).
• Eliminates background influence.
(Differential travel of only 2% max. with E3S-CL1.)
• Metal body with IP67 protection.
Oil resistance (E3S-CL2).
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Be sure to read Safety Precautions on
page 7.
Ordering Information
Sensors
(Refer to Dimensions on page 8.)
Red light
Appearance
Sensing/Setting range
5
Infrared light
Model
40 mm
Min. setting
5
Setting range
40 to 200 mm
Max. setting
Sensing range
E3S-CL1 2M
200 mm
5 to 200 mm
5
Min. setting
50 mm
Setting range
Max. setting
5
50 to 500 mm
Sensing range
E3S-CL2 2M
500 mm
5 to 500 mm
1
E3S-CL
Ratings and Specifications
Sensing method
Item
Distance-settable
Model
E3S-CL1
E3S-CL2
Sensing distance
5 to 200 mm (white paper: 200 x 200 mm,
setting distance: 200 mm)
5 to 500 mm (white paper: 200 x 200 mm,
setting distance: 500 mm)
Setting range
40 to 200 mm (white paper: 200 x 200 mm)
50 to 500 mm (white paper: 200 x 200 mm)
Differential travel
2% max. of setting distance
10% max. of setting distance
Reflectivity characteristics (black/white error) *1
2% max. of setting distance
10% max. of setting distance
Light source (wavelength) Red LED (700 nm)
Infrared LED (860 nm)
Power supply voltage
10 to 30 VDC; ripple: 10% max.
Current consumption
35 mA max.
Control output
Load power supply voltage: 30 VDC max., Load current: 100 mA max.
Residual voltage: NPN output: 1.2 V max.
PNP output: 2 V max.
Open collector output (NPN/PNP depending on model)
Light-ON/Dark-ON selectable
Protection circuits
Power supply reverse polarity protection, Output short-circuit protection, Mutual interference prevention
Response time
Operate or reset: 1 ms max.
Distance setting
Six-turn endless adjustor with an indicator
Ambient illumination
(Receiver side)
Incandescent lamp: illumination on optical spot: 5,000 lx max.
Sunlight: illumination on optical spot: 10,000 lx max.
Ambient temperature
range
Operating: −25 to 55°C, Storage: −40 to 70°C (with no icing or condensation)
Ambient humidity range
Operating: 35% to 85%, Storage: 35% to 95% (with no condensation)
Insulation resistance
20 MΩ min. at 500 VDC
Dielectric strength
1,000 VAC, 50/60 Hz for 1 min
Vibration resistance
Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hrs each in X, Y, and Z directions
Shock resistance
Destruction: 500 m/s2 3 times each in X, Y, and Z directions
Degree of protection
IP67 (IEC 60529), NEMA: 6P (indoors only) *2
Connection method
Pre-wired (standard length: 2 m)
Weight (packed state)
Approx. 170 g
Materials
Case
Zinc die-cast
Operation panel
PES (Polyether sulfone)
Lens
Methacrylic resin
Mounting bracket
Accessories
50 mA max.
Operate or reset: 2 ms max.
IP67 (IEC 60529) (in-house standards: oil-resistant),
NEMA: 6P (indoors only) *2
Stainless steel (SUS304)
Mounting bracket, 12 M4 hexagonal bolts (with spring and flat washers), Adjustment screwdriver, and Instruction
manual
*1. Sensing distance error for standard white (90% reflective) and black (5% reflective) paper.
*2. NEMA: National Electrical Manufacturers Association
2
E3S-CL
Engineering Data (Reference value)
Operating Range
E3S-CL2
20
Distance Y (mm)
Distance Y (mm)
E3S-CL1
Distance setting: 40, 100, and 200 mm
Standard sensing object
White paper, 200 x 200 mm
15
10
200 mm
5
0
40 mm
100 mm
50
100
150
200
Distance setting: 300, 500 mm
Standard sensing object
White paper, 200 x 200 mm
20
10
0
250
Distance
X (mm)
−5
30
500 mm
400
500
300 mm
200
300
100
−10
Distance
X (mm)
−10
X
−20
Y
−20
Y
−15
X
−30
Sensing Object Size vs. Sensing Distance
E3S-CL2
300
White paper
Black paper
250
Setting
distance
200 mm
200
Distance (mm)
Distance (mm)
E3S-CL1
600
White paper
Black paper
Setting
distance
500 mm
500
400
150
300 mm
300
100
50
100 mm
200
40 mm
100
50 mm
0
10
20
30
40
50
0
10
20
30
40
50
Size of object (mm)
Size of object (mm)
Spot Diameter vs. Sensing Distance
E3S-CL2
25
Spot diameter (mm)
Spot diameter (mm)
E3S-CL1
20
15
100
80
60
10
40
5
20
0
50
100
150
200
250
Distance (mm)
0
100
200
300
400
500
Distance (mm)
3
E3S-CL
Sensing Distance vs. Minimum Detectable Object Size
E3S-CL2
2.5
Min. sensing object (mm)
Min. sensing object (mm)
E3S-CL1
Sensing object: Stainless steel bar
Distance setting: Max.
2.0
1.5
3.0
Sensing object: Stainless steel bar
Distance setting: Max.
2.5
2.0
1.5
1.0
1.0
0.5
0.5
0
50
100
150
200
250
0
100
200
300
400
500
600
Distance (mm)
Distance (mm)
Sensing Object Angle Characteristics
E3S-CL1 Horizontal
3
Change in sensing distance (%)
Change in sensing distance (%)
E3S-CL1 Vertical
Sensing object: White paper, 200 x 200 mm
Sensing distance: 200 mm
2
1
0
−1
Angle
+θ
−θ
−30
−20
−10
2
1
0
Horizontal
Detection
Angle
+θ
−θ
−2
Detected
object
−3
−40
Sensing object: White paper, 200 x 200 mm
Sensing distance: 200 mm
−1
Vertical
Detection
−2
3
0
10
20
30
−3
−40
40
Detected
object
−30
−20
−10
0
10
6
Sensing object: White paper, 200 x 200 mm
Sensing distance: 200 mm
4
2
0
Vertical
Detection
−2
+θ
−θ
Detected
−6 object
−40 −30
−20
−10
40
3
Horizontal
Detection
2
Sensing object: White paper,
200 x 200 mm
Sensing distance: 200 mm
Angle
1
+θ
−θ
Detected
0 object
−1
Angle
−4
30
E3S-CL2 Horizontal
Change in sensing distance (%)
Change in sensing distance (%)
E3S-CL2 Vertical
20
Angle θ (°)
Angle θ (°)
−2
0
10
20
30
40
Angle θ (°)
−3
−40
−30
−20
−10
0
10
20
30
40
Angle θ (°)
4
E3S-CL
Sensing Distance vs. Sensing Object Material
(Setting Distance of 200 mm using White
Paper)
(Setting Distance of 100 mm using White
Paper)
(Setting Distance of 40 mm using White Paper)
Sensing distance (mm)
Sensing distance (mm)
Sensing distance (mm)
E3S-CL1
Material
Mirror
Mirror
Black rubber
Black paper
Material
Cardboard
0
Plywood
0
White paper
0
Mirror
10
Black rubber
25
Black paper
50
Cardboard
20
Plywood
50
White paper
100
Black rubber
30
Black paper
75
Cardboard
150
40
Plywood
100
White paper
200
Material
(Setting Distance of 500 mm using White
Paper)
(Setting Distance of 300 mm using White
Paper)
(Setting Distance of 50 mm using White Paper)
Sensing distance (mm)
Sensing distance (mm)
Sensing distance (mm)
E3S-CL2
500
400
300
300
200
200
50
40
30
20
100
100
Mirror
Black rubber
Black paper
Cardboard
Plywood
Material
0
White paper
Mirror
Black rubber
Black paper
Cardboard
Material
Plywood
White paper
Mirror
Black rubber
Black paper
Cardboard
Plywood
0
White paper
0
10
Material
Close-range Characteristics
E3S-CL2
Distance
setting
max.
Distance
setting
min.
200
150
Sensing distance (mm)
Sensing distance (mm)
E3S-CL1
Distance
setting
max.
Distance
setting
min.
500
400
300
100
200
50
33.7 mm
0
2.7 mm
1.4 mm
White paper
32.7 mm
23.7 mm
11.4 mm
Black paper
Material
100
0
0.7 mm
36 mm
0.4 mm 6.2 mm
White paper
33 mm
2.6 mm
Black paper
Material
5
E3S-CL
I/O Circuit Diagrams
NPN Output
Model
Operation
mode
Light-ON
Timing charts
Incident light
No incident light
Operation
ON
indicator
OFF
(orange)
Output
transistor
Load
(relay)
E3S-CL1
E3S-CL2
Dark-ON
Output circuit
L side
(LIGHT ON)
ON
OFF
Operate
Reset
Stability
indicator
(green)
Light
indicator
(orange)
Incident light
No incident light
Operation
ON
indicator
OFF
(orange)
ON
Output
transistor OFF
Load
(relay)
Operation
selector
Photoelectric
Sensor
Main
Circuit
ZD
Load Load current
Black
NPN and PNP
output selector
NPN output
transistor
D side
(DARK ON)
10 to 30 VDC
Brown
PNP output
transistor
Control output
*
ZD
Blue
0V
*Set the NPN and PNP output selector to NPN.
Operate
Reset
PNP Output
Model
Operation
mode
Light-ON
E3S-CL1
E3S-CL2
Dark-ON
Timing charts
Incident light
No incident light
Operation
ON
indicator
OFF
(orange)
ON
Output
transistor OFF
Operate
Load
(relay)
Reset
Operation
selector
Output circuit
L side
(LIGHT ON)
Stability
indicator
(green)
Light
indicator
(orange)
Incident light
No incident light
Operation
ON
indicator
OFF
(orange)
ON
Output
transistor OFF
Operate
Load
(relay)
Reset
Photoelectric
Sensor
Main
Circuit
Brown
PNP output
transistor
D side
(DARK ON)
ZD
*
NPN and PNP
output selector
NPN output
transistor
10 to 30 VDC
Black
Control output
ZD
Load
Blue
Load current
0V
*Set the NPN and PNP output selector to PNP.
Nomenclature
Operation Panel
Output Selector
Cover
1. Set the selector to NPN for NPN output.
2. Set the selector to PNP for PNP output.
Operation Selector
1. Set the selector to L-ON for ON light-ON operation.
2. Set the selector to D-ON for ON dark-ON operation.
Stability indicator
(green)
Output
selector
Operation
selector
Light indicator
(orange)
Setting distance
indicator
Setting Distance Adjuster
1. The sensing distance will increase when the adjuster is turned
clockwise (toward Max.) and will decrease when the knob is turn
counterclockwise.
2. The adjustment can be turned up to 6 times clockwise or
counterclockwise to set the sensing distance. The number of turns
will be displayed by the indicator.
Setting distance
adjuster
6
E3S-CL
Safety Precautions
Refer to Warranty and Limitations of Liability.
WARNING
• Also, mount the Sensor so that it is not aligned with extreme
changes in color or materials, as shown below.
This product is not designed or rated for ensuring
safety of persons either directly or indirectly.
Do not use it for such purposes.
Precautions for Correct Use
Do not use the product in atmospheres or environments that exceed
product ratings.
● Designing
Cable
The E3S-CL2 uses an oil-resistive cord to ensure oil resistivity.
● Mounting
Mounting
Direction of
movement
• Mount the Sensor so that sunlight, fluorescent light, incandescent
light, or other strong sources of light do not enter the directional
angle of the Sensor.
Mounting Direction
• Mount the Sensor so that the sensing
face runs parallel to the surface of the
object being detected as shown
below, and not at an angle.
Sensing side
Precautions
• When mounting the Sensor, do not hit the Sensor with a hammer,
or the Sensor will lose its watertightness.
• Use M4 screws to mount the Sensor.
• The tightening torque of each screw must be 1.2 N·m maximum.
Surface of
sensing object
● Others
Oil and Chemical Resistivity (E3S-CL2)
The E3S-CL2 was tested for resistance to the oils given in the
following table. Refer to the information in the table when deciding
which type of oil to use. However, performance may be affected by
certain types of oil.
If detecting a shiny object, however,
mount the Sensor so that the sensing
face is at an angle of between 5° and
10° of the surface of the object being
detected as shown below, and check
to be sure that there is no
interference from the background.
Test oil
classification
Product name
Kinematic viscosity
(mm2/s (cst)) at 40°C
Lubricating oil
Velocity No.3
(manufactured by Exxon Mobil)
2.02
Water insoluble
machining oil
Yushiron Oil No. 2 ac
(manufactured by
Yushiro Chemical Industry Co., Ltd.)
Shiny object
• If stable operation is not possible near
a mirror surface, mount the Sensor at
an angle as shown below, and separate the Sensor as far as
possible from the mirror surface.
Sensing
object
Mirror surface
• Mount the Sensor so that it is not aligned with the direction of
movement of the sensing object, as shown below.
Water soluble
machining oil
Direction of
movement
Sensing
object
Direction of
movement
Sensing
object
Direction of
movement
pH
--Less than 10
Yushiroken EC50T-3
(manufactured by
Yushiro Chemical Industry Co., Ltd.)
7 to 9.5
Yushiron Lubic HWC68
(manufactured by
Yushiro Chemical Industry Co., Ltd.)
7 to 9.9
Gryton 1700D
(manufactured by Toho
Chemical Industry Co.,
Ltd.)
Yushiroken S50N
(manufactured by
Yushiro Chemical Industry Co., Ltd.)
Sensing
object
Direction of
movement
--7 to 9.2
7 to 9.8
Note: 1. The E3S-CL2 maintained a minimum insulation resistance of 100 MΩ
after it was dipped in all the above oils at a temperature of 50°C for 240
hours.
2. When using the E3S-CL2 in environments subject to oils other than
those listed above, use the figures for kinematic viscosity and ph
values from the table as general guidelines. Additives and other
substances contained in oils may affect the E3S-CL2. Be sure to
consider this before use.
7
E3S-CL
(Unit: mm)
Dimensions
Tolerance class IT16 applies to dimensions in this datasheet unless otherwise specified.
E3S-CL1
E3S-CL2
23.8
With Mounting Bracket Attached
7.3
9.2
6.2
4.2
11.7
Stainless steel
4.2
19.7
12
20
Mounting Holes
Two, M4
Light indicator
Stability indicator
Receiver
Two, M4 hex bolts
15.4
with slit lock washers
1.1
16
25.4
40
37.2
42.6
16.5
54.5
16.1
28
21
9.1
2
Emitter, optical axis
Detecting axis
40
Two, M4
E3S-CL1:
4-dia. vinyl-insulated round cable with 3 conductors
(Conductor cross section: 0.2 mm2 (AWG24),
Insulator diameter: 1.1 mm),
Standard length: 2 m
E3S-CL2:
4-dia. vinyl-insulated round cable with 3 conductors
(Conductor cross section area: 0.2 mm2 (AWG24),
Insulator diameter: 1.2 mm),
Standard length: 2 m
44.7
Note: The output selector, operation selector, and distance setting adjuster are located inside the cover.
8
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.
2015.10
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 2015 All Right Reserved.
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