Omron E3S-CL DATASHEET
Distance setting photoelectric sensor in metal housing
E3S-CL
• High water, oil and detergent resistance
• Minimal black/white error for highest
reliability detecting different colored
objects (E3S-CL1)
Features
E3S-CL
Eliminates Background Influences with a
Hysteresis of Only 2% max. (E3S-CL1)
The hysteresis is the industry's minimum 2% max. (E3S-CL1).
As a triangulation measuring is used, objects behind the setting distance cannot be detected. The sensor is insensitive to
the influence of background objects of high reflectivity, and
stable detects works on a conveyor from above. The hysteresis of the E3S-CL2 is 10% max. of the detecting distance (5%
max. for white paper).
What Is Distance Setting?
(Differences from other detecting system)
Distance-setting
When the sensing object moves in direction A, the center position
of the reflected light moves in direction B. This is received by the
Fea-
tures
Struc-
ture
Diffuse-reflective
Fea-
tures
2-split photodiode and the place where the incident levels are the
same on the N and F sides is defined as the setting distance.
The object is detected by the incident circuit processing only when
N F, and is not detected when N F. Therefore, detection is stable
without being influenced by the work type and background objects.
Received element
(Two division photodiode)
N
B
F
A setting
distance
variable
Light source
LED
Detecting range
Since the level of the reflected light is judged for detection , the
sensing distance varies with the color, material and/or size of the
work.
A malfunction may occur if there is any object of high reflectivity in
the background.
N: Near
F: Far
Setting range
A
Struc-
ture
Received
element
Light source
LED
Detecting area
Detecting range
A-111E3S-CL
6-turn adjuster with indicator
By t
tti
j
• The 6-turn adjuster with indicator ensures ease
of distance setting.
• Fine distance setting is possible.
Optical Technology of E3S-CL
urning the distance se
uster (worm gear), the rotation of the
gear moves the cam to change the
incident angle of the whole incident
block (lens and photodiode), setting
the distance.
Stability indicator (green)
Operation indicator (orange)
Two division photodiode
• NPN/PNP Output Selectable.
• Light-ON/Dark-ON is also switch selectable.
ng ad-
Operation unit cover
Setting distance indicator
Setting distance
adjuster (worm gear)
Cam
Receiver lens
Emitter lens
Light source LED
Conforms to Applicable EN/IEC Standards
• The sensors satisfy the electrical
safety (IEC947-5-2), noise resistance (IEC947-5-2, IEC801-2/3/
4) and noise radiation restrictions
(EN500 81-2, EN55011) required
for photoelectric sensors.
E3S-CL1
Detecting Milk Cartons
A stainless background
Stable detection is not
affected by stainless steel
background or carton colors.
E3S-CL2
Detecting Boxes
E3S-CL1
Application
Detecting Food Products on Conveyors
Objects can also be detected from above
a conveyor.
Detecting Construction Materials (Boards)
maining on a Pallet
E3S-CL2
E3S-CL1
Detecting Wafer Cassettes
E3S-CL1
Easy distance setting with 6-turn adjustment
and indicator.
Detecting Tires on a Conveyor Line
E3S-CL2
<m
E3S-CL2
Stable detecting boxes regardless of box position.
Construction materials can be
detected from above.
Stable detecting black objects such as tires.
A-112 Standard Photoelectric Sensors
Ordering Information
Shape Sensing/Setting range Model
5 40mm
Min. setting
Max. setting
Detecting range
5 to 200 mm
Setting range
40 to 200 mm
Red light Infrared light
200mm5
E3S-CL1
E3S-CL
5 50mm
Min. setting
Max. setting
Setting range
50 to 500 mm
Detecting range
5 to 500 mm
E3S-CL2
500mm5
Rating/performance
Sensing method Distance-setting
Item Model E3S-CL1 E3S-CL2
Sensing
5 to 200 mm (White paper 200 x 200 mm)
(Setting distance 200 mm)
Setting range 40 to 200 mm (White paper 200 x 200 mm) 50 to 500 mm (White paper 200 x 200 mm)
Differential distance 2% max. 10% max.
Reflectivity characteristics
(black/white error)
2% max. 10% max.
*1
Light source (wave length) Red LED (700 nm) Infrared LED (860 nm)
Power supply voltage 10 to 30 VDC [ripple (p-p) 10% included]
Current consumption 35 mA max. 50 mA max.
Load supply voltage 30 VDC max., load current 100 mA max. (residual voltage NPN output: 1.2 V max.,
Control output
PNP output: 2.0 V max.) Open collector output type (NPN/PNP switch selectable) Light-ON/Dark-ON
switch selectable
Protective circuits Reverse polarity protection, output short-circuit protection, mutual interference prevention
Response time Operation or reset: 1 ms max. Operation or reset: 2 ms max.
Distance setting 6-turn endless adjuster (with indicator)
Ambient illuminance Incandescent lamp: 5,000 lux max. Sunlight 10,000 lux max.
Ambient temperature Operating/Storage: -25°C to 55°C (with no icing or condensation)
Ambient humidity Operating/Storage: 35% to 85%RH (with no condensation)
Insulation resistance 20 M min. at 500 VDC
Dielectric strength 1,000 VAC at 50/60 Hz for 1 minute
Vibration resistance 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance Destruction: 500 m/s2 for 3 times each in X, Y, and Z directions
Protective structure
IEC Standard IP67, NEMA 6P (limited to indoor use)
*2
Connection method Pre-wired models (standard length: 2 m)
Weight (Packed state) Approx. 170 g
Case Zinc diecast
Operation panel
Ma-
cover
terial
Lens Acrylics
Polyethyl sulfon
Mounting Brackets Stainless steel (SUS304)
Accessories
*1. Sensing distance difference between standard white paper (reflectivity 90%) and standard black paper (reflectivity 5%)
*2. NEMA (National Electrical Manufacturers Association) Standards
Mounting bracket, hexagon bolt M4 x 12 (with spring washer, flat washer), adjusting screwdriver, instruction
manual
5 to 500 mm (White paper 200 x 200 mm)
(Setting distance 500 mm)
IEC Standard IP67, NEMA 6P (limited to indoor use)
A-113E3S-CL
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