Omron Photoelectric E3S-A Sensor Programmable Logic Controller
The Omron E3S-A series is a specialized line of photoelectric sensors designed for the reliable detection of transparent and semi-transparent objects, such as PET bottles, glass vials, films, and blister packs. With advanced optics and sensitivity adjustment, the E3S-A ensures stable detection even under challenging conditions, making it ideal for packaging and bottling industries.
Categories:
Omron Photoelectric Sensor-
Reliable Transparent Object Detection
- Accurately detects clear materials like:
- Glass
- Plastic
- Ideal for:
- Bottle packaging
- Film detection
- Blister pack applications
- Accurately detects clear materials like:
-
Polarized Retro-Reflective Sensing
- Specialized reflector for stable detection
- Minimizes false signals from shiny surfaces
-
Manual Sensitivity Adjustment
- Top-mounted adjustment dial
- Fine-tuning for various:
- Object materials
- Background surfaces
-
Built-in Operation Indicators
- LED for power status
- LED for detection status
-
Standard Industrial Mounting
- Compact rectangular housing fits tight installations
- Mounting options:
- Side mounting
- Through-hole mounting
- M3 screw compatibility
| Specification | Description | |||||
|---|---|---|---|---|---|---|
| Sensing method | Through-beam Sensors | Retro-reflective Sensors (with MSR function) | Diffuse-reflective Sensors | |||
| Model | E3S-AT11, 16, 21, 31, 36, 41, 61, 66, 71, 81, 86, 91 | E3S-AR11, 16, 21, 31, 36, 41, 61, 66, 71, 81, 86, 91 | E3S-AD13, 18, 23, 33, 38, 43, 63, 68, 73, 83, 88, 93 | E3S-AD11, 16, 21, 31, 36, 41, 61, 66, 71, 81, 86, 91 | E3S-AD12, 17, 22, 32, 37, 42, 62, 67, 72, 82, 87, 92 | |
| Sensing distance | 7 m | 2 m (100 mm)*1 (When using E39-R1) | 100 mm (wide view) (white paper 100 × 100 mm) | 10 to 200 mm (white paper 100 × 100 mm) | 700 mm (white paper 100 × 100 mm) | |
| Standard sensing object | Opaque: 10-mm dia. min. | Opaque: 75-mm dia. min. | --- | |||
| Differential travel | --- | 20% max. of sensing distance | 10% max. of sensing distance | 20% max. of sensing distance | ||
| Directional angle | Emitter/Receiver: 3° to 15° | 3° to 10° | --- | |||
| Light source (wavelength) | Red LED (660 nm) | Infrared LED (850 nm) | Red LED (660 nm) | Infrared LED (850 nm) | ||
| Power supply voltage | 10 to 30 VDC, ripple (p-p) 10% max. | |||||
| Current consumption | Emitter/Receiver: 20 mA max. (+15 mA turbo) | 30 mA max. (+15 mA turbo) | 35 mA max. | 30 mA max. (+15 mA turbo) | 35 mA max. | |
| Control output | Load: 30 VDC max., 100 mA max., Residual: 1 V max., Open-collector NPN/PNP, Light-ON/Dark-ON selectable | |||||
| Self-diagnostic output | Load: 30 VDC max., 50 mA max., Residual: 1 V max., Open-collector NPN/PNP | |||||
| External diagnostic input | Input voltage |
NPN: OFF 0V or ≤1.5V (1 mA max.), ON: open (0.1 mA max.) PNP: OFF +DC or ≤1.5VDC (3 mA max.), ON: open (0.1 mA max.) |
--- | |||
| Response time | 0.5 ms max. | |||||
| Protection circuits | Reverse polarity, Output short-circuit | Reverse polarity, Output short-circuit, Mutual interference prevention | ||||
| Response time | Operation/reset: 0.5 ms max. | |||||
| Sensitivity adjustment | Two-turn endless adjuster with indicator | |||||
| Timer function | 0 to 100 ms OFF-delay, variable adjuster | |||||
| Turbo function | Yes (turbo switch) | --- | ||||
| Ambient illumination | Incandescent: 5,000 lx, Sunlight: 10,000 lx max. | |||||
| Ambient temperature | -25°C to 55°C (no icing), Storage: -40°C to 70°C | |||||
| Ambient humidity | Operating: 35–85%, Storage: 35–95% (no condensation) | |||||
| Insulation resistance | ≥20 MΩ at 500 VDC between current-carrying parts and case | |||||
| Dielectric strength | 1,000 VAC, 1 min between current-carrying parts and case | |||||
| Vibration resistance | 10–55 Hz, 1.5-mm double amplitude, 2 hrs in X, Y, Z | |||||
| Shock resistance | 500 m/s², 3 times each direction (X, Y, Z) | |||||
| Degree of protection | IEC IP67; NEMA 4X (indoors only) | |||||
| Connection method | Pre-wired (2 m) or M12 connector | |||||
| Weight | Pre-wired: ~150 g Connector: ~70 g |
Pre-wired: ~110 g Connector: ~60 g |
Pre-wired: ~90 g Connector: ~50 g |
|||
| Material | Case | PBT | ||||
| Lens | Denatured polyallylate | |||||
| Mounting Bracket | Stainless steel (SUS304) | |||||
| Accessories | Mounting bracket, screws, adjustment driver, knob, instructions, close mounting plate (connector models only), reflector (retro-reflective only) | |||||
Built-in Amplifier Photoelectric Sensors
| Sensing
method |
Appearance | Connection
method |
Sensing
distance |
Functions | Model | |
|---|---|---|---|---|---|---|
| NPN output | PNP output | |||||
| Through-
beam Sensors *1 |
Horizontal
|
Pre-wired | 7 m
(Red light) |
--- | E3S-AT11 2M
Emitter E3S-AT11-L Receiver E3S-AT11-D |
E3S-AT31 2M
Emitter E3S-AT31-L Receiver E3S-AT31-D |
 |
E3S-AT21 2M
Emitter E3S-AT21-L Receiver E3S-AT21-D |
E3S-AT41 2M
Emitter E3S-AT41-L Receiver E3S-AT41-D |
||||
| Connector
(M12) |
--- | E3S-AT16
Emitter E3S-AT16-L Receiver E3S-AT16-D |
E3S-AT36
Emitter E3S-AT36-L Receiver E3S-AT36-D |
|||
Vertical
|
Pre-wired | --- | E3S-AT61 2M
Emitter E3S-AT61-L Receiver E3S-AT61-D |
E3S-AT81 2M
Emitter E3S-AT81-L Receiver E3S-AT81-D |
||
|
E3S-AT71 2M
Emitter E3S-AT71-L Receiver E3S-AT71-D |
E3S-AT91 2M
Emitter E3S-AT91-L Receiver E3S-AT91-D |
||||
| Connector
(M12) |
--- | E3S-AT66
Emitter E3S-AT66-L Receiver E3S-AT66-D |
E3S-AT86
Emitter E3S-AT86-L Receiver E3S-AT86-D |
|||
| Retro-
reflective Sensors |
Horizontal
|
Pre-wired | 2 m
(100 mm) *2 (Red light) |
--- | E3S-AR11 2M | E3S-AR31 2M |
|
E3S-AR21 2M | E3S-AR41 2M | ||||
| Connector
(M12) |
--- | E3S-AR16 | E3S-AR36 | |||
Vertical
|
Pre-wired | --- | E3S-AR61 2M | E3S-AR81 2M | ||
|
E3S-AR71 2M | E3S-AR91 2M | ||||
| Connector
(M12) |
--- | E3S-AR66 | E3S-AR86 | |||
| Diffuse-
reflective Sensors |
Horizontal
|
Pre-wired | 100 mm
(wide view) (Infrared light) |
--- | E3S-AD13 2M | E3S-AD33 2M |
 |
E3S-AD23 2M | E3S-AD43 2M | ||||
| 200 mm
(Red light) |
--- | E3S-AD11 2M | E3S-AD31 2M | |||
 |
E3S-AD21 2M | E3S-AD41 2M | ||||
| 700 mm
(Infrared light) |
--- | E3S-AD12 2M | E3S-AD32 2M | |||
|
E3S-AD22 2M | E3S-AD42 2M | ||||
| Connector
(M12) |
100 mm
(wide view) (Infrared light) |
--- | E3S-AD18 | E3S-AD38 | ||
| 200 mm
(Red light) |
E3S-AD16 | E3S-AD36 | ||||
| 700 mm
(Infrared light) |
E3S-AD17 | E3S-AD37 | ||||
Vertical
|
Pre-wired | 100 mm
(wide view) (Infrared light) |
--- | E3S-AD63 2M | E3S-AD83 2M | |
|
E3S-AD73 2M | E3S-AD93 2M | ||||
| 200 mm
(Red light) |
--- | E3S-AD61 2M | E3S-AD81 2M | |||
|
E3S-AD71 2M | E3S-AD91 2M | ||||
| 700 mm
(Infrared light) |
--- | E3S-AD62 2M | E3S-AD82 2M | |||
|
E3S-AD72 2M | E3S-AD92 2M | ||||
| Connector
(M12) |
100 mm
(wide view) (Infrared light) |
--- | E3S-AD68 | E3S-AD88 | ||
| 200 mm
(Red light) |
E3S-AD66 | E3S-AD86 | ||||
| 700 mm
(Infrared light) |
E3S-AD67 | E3S-AD87 | ||||
Insert-type Long Slit
| Name | Slit width | Sensing
distance |
Minimum sensing
object (typical) |
Model | Quantity | Remarks |
|---|---|---|---|---|---|---|
| Slits | 0.5 mm ×
11.1 mm |
500 mm | 0.2-mm dia. | E39-S46 | 1 of each for Emitter/
Receiver (4 Slits total) |
Slits can be used with the
E3S-AT[][] Through-beam Sensor. |
| 1 mm ×
11.1 mm |
1.1 m | 0.4-mm dia. | ||||
| Supporter | 2 mm ×
13.6 mm |
2.5 m | 0.8-mm dia. | 1 of each for Emitter/
Receiver (2 Slits total) |
Mutual Interference Prevention Filters
|
Sensing distance |
Model | Quantity | Remarks |
|---|---|---|---|
| 2.4 m | E39-E6 | 2 of each for Emitter/Receiver (4 Filters total) |
Can be used with the E3S-AT[][] Through-beam Sensor. |
Reflectors/Other Accessories
| Name | Sensing distance
(typical) |
Model | Quantity | Remarks |
|---|---|---|---|---|
| Reflectors | 2 m (100 mm) *
(rated value) |
E39-R1 | 1 | Provided with E3S-AR[][] Retro-reflective Sensor. |
| Small
Reflectors |
1.3 m
(100 mm) * |
E39-R3 | 1 | --- |
| 600 mm
(70 mm) * |
E39-R4 | 1 | --- | |
| Tape
Reflectors |
450 mm
(100 mm) * |
E39-RS1 | 1 | Enables MSR function. |
| 700 mm
(100 mm) * |
E39-RS2 | 1 | ||
| 900 mm
(100 mm) * |
E39-RS3 | 1 | ||
| Optical Axis
Confirmation Reflector |
--- | E39-R5 | 1 | Used to check optical axis for the E3S-AT[][]
Through-beam Sensor. |
Mounting Brackets/Other
| Appearance | Model | Quantity | Remarks |
|---|---|---|---|
|
E39-L69 | 1 | Provided with E3S-A Horizontal Sensors.
Two Brackets are provided with a Through-beam Sensor. |
|
E39-L70 | 1 | Provided with E3S-A Vertical Sensors.
Two Brackets are provided with a Through-beam Sensor. |
|
E39-L59 | 1 | Provided with E3S-A Vertical Pre-wired Sensors. |
|
E39-L81 | 1 | Provided with E3S-A Vertical Connector Sensors. |
|
E39-L97 *1 | 1 | Protective Cover for Horizontal Sensors |
|
E39-L98 *2 | 1 | Protective Cover for Vertical Sensors |
|
E39-L60 | 1 | Close Mounting Plate:
Provided with E3S-A Connector Sensors. Two Plates are provided with a Through-beam Sensor. |
Sensors I/O Connectors
| Cable | Appearance | Cable type | Model | ||
|---|---|---|---|---|---|
| Standard | Straight |
 |
2 m | 3-wire | XS2F-D421-DC0-F |
| 5 m | XS2F-D421-GC0-F | ||||
| L-shaped |
 |
2 m | XS2F-D422-DC0-F | ||
| 5 m | XS2F-D422-GC0-F | ||||
|
Catalog Name
|
Catalog Number[size]
|
Last Update
|
|
|---|---|---|---|
| E3S-A Data Sheet | --- [4705KB] |
May 08, 2023 | E3S-A Data Sheet |
Applications
- PET and glass bottle detection on conveyor belts
- Transparent film and blister pack presence verification
- Carton sealing and filling line sensors
- Pharmaceutical packaging and food & beverage lines
Why Choose
- Optimized for transparent and light-transmitting materials
- Adjustable sensitivity ensures stable operation in variable lighting
- Compact and rugged design ensures long life in industrial settings
- Simple installation with easy-to-align reflective setup
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