Description
Engineered for robust point-of-operation guarding in automated industrial lines, the Omron F3SJ-E0625N25 safety light curtain delivers reliable Type 4 optoelectronic protection. This unit belongs to the specialized F3SJ-E "Easy" series, streamlined specifically for straightforward on/off safety applications that do not require complex muting or blanking configurations. Built with a rigid housing, the device features 30 optical beams providing a 625 mm protective height and a 25 mm detection resolution, making it highly effective for hand and arm detection in high-risk zones.
Key Features
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Type 4 Safety Sensor: Meets rigorous international safety requirements for demanding machinery safeguards.
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NPN Output Configuration: Designed for seamless integration with NPN safety logic control circuits.
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Optimized Resolution: 25-mm detection capability specifically sized to safeguard hands and arms.
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Long-Range Scanning: Reliable operating envelope spanning 0.2 to 7 meters.
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Rugged Environmental Rating: IP65 housing protects internal optoelectronic elements against dust and low-pressure water jets.
Industrial Applications
- Robotic workstation and pick-and-place cell perimeter guarding.
- Automated assembly systems and packaging machinery lines.
- Stamping, forming, and material handling conveyor systems.
- Pneumatic/hydraulic press work areas with fast stopping times.
Technical Specifications
| Manufacturer |
Omron |
| Model Number |
F3SJ-E0625N25 |
| Product Type |
Safety Light Curtain |
| Output Type |
NPN semiconductor output (OSSD) |
| Number of Beams |
30 |
| Protective Height |
625 mm |
| Detection Capability |
25-mm diameter (hand and arm protection) |
| Beam Pitch |
20 mm |
| Operating Range |
0.2 to 7 m |
| Supply Voltage (Vs) |
24 VDC plus/minus 20% (SELV/PELV, ripple p-p 10% max.) |
| Emitter Current Consumption |
57 mA max. (for 30 beams) |
| Receiver Current Consumption |
45 mA max. (for 30 beams) |
| Light Source |
Infrared LED (wavelength: 870 nm) |
| Degree of Protection |
IP65 |
| Product Net Weight |
2.2 kg |
| Shipping Weight (Calculated) |
4.0 kg |
Connections and Interfaces
Typical wire mapping for standard Omron F3SJ-E Series transmitters and receivers:
| Wire Color |
Emitter Connection |
Receiver Connection |
| Brown |
+24 VDC Power Supply |
+24 VDC Power Supply |
| Blue |
0 VDC Power Supply |
0 VDC Power Supply |
| Black |
Test Input |
Safety Output 1 (OSSD 1 - NPN) |
| White |
Not Used (Isolate wire) |
Safety Output 2 (OSSD 2 - NPN) |
| Shield |
Functional Earth (FE) |
Functional Earth (FE) |
Empirical Engineering Insights
Alternative Models & Compatibility
This F3SJ-E version provides NPN outputs. Be careful not to confuse it with the PNP-output models (suffix P25, e.g., F3SJ-E0625P25), which are standard in European-centric PLC architectures. Double-check your machine controller schematics to avoid interfacing issues.
Application Pitfalls & Engineering Notes
Because this is an "Easy Type" curtain, it does not support series connection (cascading). If your application requires joining multiple light curtains together to guard a non-linear area, you must upgrade to the F3SJ-B (Basic) or F3SJ-A (Advanced) series. Furthermore, ensure there are no highly reflective surfaces near the detection zone, as infrared light can bounce around obstacles and fail to register a finger or hand intrusion.
Commissioning & Alignment Tips
When mounting, align the emitter and receiver vertically before anchoring. The F3SJ-E features built-in LED indicators that flash during misalignment. A stable green state across all sector indicators demonstrates optical lock. Always check alignment under full factory lighting conditions, as high-frequency ambient lighting can occasionally disrupt infrared beams if optical alignment is marginally positioned.
Installation Guidelines
CRITICAL WARNING
Isolate and lock out all machinery electrical power before attempting physical installation or electrical termination. Verify that the power supply complies strictly with SELV/PELV 24 VDC regulations. Failure to follow proper electrical and structural isolation standards may result in serious injury or equipment failure.
1
Calculate the safety distance based on machinery stopping times in compliance with ISO 13855 before mounting brackets.
2
Mount the Emitter and Receiver brackets parallel to each other, ensuring they are leveled and vertically aligned.
3
Wire up the cables according to the designated NPN schematics, routing safety signals directly to a compatible safety relay.
4
Conduct a full physical test using an appropriate test piece to verify detection performance at multiple points within the curtain.