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E3NC
Smart Laser Sensors
Ideal for Applications That Cannot Be Handled with Fiber Sensors or Photoelectric Sensors
Related Contents
Application Solutions
last update: May 26, 2025
Sensor Heads: E3NC-L Compact Laser Sensor Series
| Sensing
method |
Appearance | Beam shape | Sensing
distance |
Laser
class |
Cable length | Model |
|---|---|---|---|---|---|---|
| Coaxial Retro-
reflective with MSR function |
 |
Spot | 8 m * | Class 1 | 2 m | E3NC-LH03 2M |
| 5 m | E3NC-LH03 5M | |||||
| Diffuse-
reflective |
 |
Variable spot | 1.2 m | 2 m | E3NC-LH02 2M | |
| 5 m | E3NC-LH02 5M | |||||
| Limited-
reflective |
 |
Spot | 70±15 mm | 2 m | E3NC-LH01 2M | |
| 5 m | E3NC-LH01 5M |
* These values apply when an E39-R21, E39-R22, E39-RS10, or E39-RS11 Reflector is used. A Reflector is not included. Purchase a Reflector separately to match the intended use of the Sensor.
Note: Only an E3NC-LA[][] Amplifier Unit can be connected.
Amplifier Units: E3NC-L Compact Laser Sensor Series
| Connecting method | Appearance | Inputs/outputs | Model | |
|---|---|---|---|---|
| NPN output | PNP output | |||
| Pre-wired (2 m) |
 |
2 outputs + 1 input | E3NC-LA21 2M | E3NC-LA51 2M |
| Wire-saving Connector |
 |
1 output + 1 input | E3NC-LA7 | E3NC-LA9 |
| M8 Connector |
 |
1 output + 1 input | E3NC-LA24 | E3NC-LA54 |
| Connector for Sensor
Communications Unit * |
 |
--- | E3NC-LA0 | |
* A Sensor Communications Unit is required if you want to use the Amplifier Unit on a network.
Note: Only an E3NC-LH[][] Sensor Head can be connected.
Sensor Heads: E3NC-S Ultra-compact CMOS Laser Sensor Series
| Sensing
method |
Appearance | Beam shape | Measurement
range |
Laser
class |
Cable length | Model |
|---|---|---|---|---|---|---|
| Distance-
settable |
 |
Spot | 35 to 250 mm | Class 1 | 2 m | E3NC-SH250H 2M |
| 2 m | E3NC-SH250 2M | |||||
 |
35 to 100 mm | 2 m | E3NC-SH100 2M |
Note: Only an E3NC-SA[][] Amplifier Unit can be connected.
Amplifier Units: E3NC-S Ultra-compact CMOS Laser Sensor Series
| Connecting method | Appearance | Inputs/outputs | Model | |
|---|---|---|---|---|
| NPN output | PNP output | |||
| Pre-wired (2 m) |
 |
2 outputs + 1 input | E3NC-SA21 2M | E3NC-SA51 2M |
| Wire-saving Connector |
 |
1 output + 1 input | E3NC-SA7 | E3NC-SA9 |
| M8 Connector |
 |
1 output + 1 input | E3NC-SA24 | E3NC-SA54 |
| Connector for Sensor
Communications Unit * |
 |
--- | E3NC-SA0 | |
* A Sensor Communications Unit is required if you want to use the Amplifier Unit on a network.
Note: Only an E3NC-SH[][] or E3NC-SH[][]H Sensor Head can be connected.
Accessories (Sold Separately)
Sensor Head Accessories
Reflectors (Required for Retro-reflective Sensors)
A Reflector is not provided with the Sensor Head. It must be ordered separately.
| Applicable Sensor Head | Appearance | Model | Quantity |
|---|---|---|---|
| E3NC-LH03 |
 |
E39-R21 | 1 |
 |
E39-R22 | ||
 |
E39-RS10 | ||
 |
E39-RS11 |
Note: Refer to the Safety Precautions on Data Sheet for how to attach the reflector.
Lens Attachments for Sensor Heads
A Lens Attachment is not provided with the Sensor Head. It must be ordered separately as required.
| Applicable Sensor Head | Appearance | Model | Quantity |
|---|---|---|---|
| E3NC-LH03 |
 |
E39-P51 | 1 |
| E3NC-LH02 |
 |
E39-P52 |
Note: You can combine the Lens Attachment with an applicable Sensor Head to create a line beam.
Sensor Head Mounting Brackets
A Mounting Bracket is not provided with the Sensor Head. It must be ordered separately as required.
| Applicable Sensor Head | Appearance | Model | Quantity | Contents |
|---|---|---|---|---|
| E3NC-LH03 |
 |
E39-L190 | 1 | Mounting Bracket: 1
Nut plate: 1 Phillips screws (M3×18): 2 |
| E3NC-LH02 |
 |
E39-L185 | ||
| E3NC-LH01 |
 |
E39-L186 | ||
| E3NC-SH250H
E3NC-SH250 E3NC-SH100 |
 |
E39-L187 | ||
 |
E39-L188 |
Amplifier Unit Accessories
Wire-saving Connectors (Required for models for Wire-saving Connectors.)
Connectors are not provided with the Amplifier Unit and must be ordered separately. *Protective stickers are provided.
| Type | Appearance | Cable length | No. of conductors | Model |
|---|---|---|---|---|
| Master Connector |
 |
2 m | 4 | E3X-CN21 |
| Slave Connector |
 |
2 | E3X-CN22 |
Sensor I/O Connectors (Required for models for M8 Connectors.)
Connectors are not provided with the Amplifier Unit and must be ordered separately.
| Size Cable | Cable | Appearance | Cable type | Model | |
|---|---|---|---|---|---|
| M8 | Standard cable | Straight
 |
2 m | 4-wire | XS3F-M421-402-A |
| 5 m | XS3F-M421-405-A | ||||
L-shaped
 |
2 m | XS3F-M422-402-A | |||
| 5 m | XS3F-M422-405-A | ||||
Note: For details, refer to XS3 which can be accessed from your OMRON website.
Amplifier Unit Mounting Bracket
A Mounting Bracket is not provided with the Amplifier Unit. It must be ordered separately as required.
| Appearance | Model | Quantity |
|---|---|---|
 |
E39-L143 | 1 |
Note: For details, refer to Mounting Brackets on E39-L/E39-S/E39-R which can be accessed from your OMRON website.
DIN Track
A DIN Track is not provided with the Amplifier Unit. It must be ordered separately as required.
| Appearance | Type | Model | Quantity |
|---|---|---|---|
 |
Shallow type, total length: 1 m | PFP-100N | 1 |
| Shallow type, total length: 0.5m | PFP-50N | ||
| Deep type, total length: 1 m | PFP-100N2 |
End Plate
Two End Plates are provided with the Sensor Communications Unit.
End Plates are not provided with the Amplifier Unit. They must be ordered separately as required.
| Appearance | Model | Quantity |
|---|---|---|
 |
PFP-M | 1 |
Cover
Attach these Covers to Amplifier Units.
Order a Cover when required, e.g., if you lose the covers.
| Appearance | Model | Quantity |
|---|---|---|
 |
E39-G24 FOR E3NC-LA | 1 |
| E39-G21 FOR E3NC-SA |
Related Products
Sensor Communications Units
| Type | Appearance | Model |
|---|---|---|
| Sensor Communications Unit for EtherCAT |
 |
E3NW-ECT |
| Sensor Communications Unit for CompoNet |
 |
E3NW-CRT |
| Sensor Communications Unit for CC-Link |
 |
E3NW-CCL |
| Distributed Sensor Unit * |
 |
E3NW-DS |
Refer to your OMRON website for details.
* The Distributed Sensor Unit can be connected to any of the Sensor Communications Units.
EtherCAT® is a registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.
CompoNet is a registered trademark of the ODVA.
CC-Link is a registered trademark of Mitsubishi Electric Corporation. The trademark is managed by the CC-Link Partner Association.
last update: May 26, 2025
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