Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Designed for reliable machine safeguarding, the Omron F3SJ-E0305N25 functions as a Type 4 safety light curtain engineered for hand detection in hazardous industrial environments. This unit provides a 305 mm protective height with a 25 mm detection capability, utilizing a 14-beam infrared optical grid to monitor intrusion fields. Operating on an NPN output configuration, the sensor system integrates seamlessly with standard control architectures and safety relays.
The F3SJ-E series features a streamlined, "easy" design paradigm that simplifies mounting, wiring, and overall system commissioning. With an operational range spanning from 0.2 to 7 meters, this light curtain is highly adaptable to space-constrained machinery and medium-range industrial workcells. Its IP65-rated enclosure ensures sustained optical alignment and environmental resilience against dust and water jets in manufacturing spaces.
| Manufacturer | Omron |
| Part Number / Model | F3SJ-E0305N25 |
| Series | F3SJ-E (Easy Type) |
| Sensor Type | Type 4 Safety Light Curtain |
| Output Type | NPN |
| Number of Beams | 14 |
| Beam Gap | 20 mm |
| Protective Height | 305 mm |
| Detection Capability | 25 mm diameter (Hand protection) |
| Operating Range | 0.2 m to 7.0 m |
| Light Source | Infrared LED (870 nm wavelength) |
| Power Supply Voltage | 24 VDC plus/minus 20% (SELV/PELV, ripple p-p 10% max.) |
| Current Consumption | Emitter: 41 mA max. / Receiver: 40 mA max. |
| Enclosure Protection | IP65 (IEC 60529) |
| Operating Temperature | -10 to 55 degC (non-condensing) |
| Weight | 1.3 kg |
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Returns & Warranty

Designed for reliable machine safeguarding, the Omron F3SJ-E0305N25 functions as a Type 4 safety light curtain engineered for hand detection in hazardous industrial environments. This unit provides a 305 mm protective height with a 25 mm detection capability, utilizing a 14-beam infrared optical grid to monitor intrusion fields. Operating on an NPN output configuration, the sensor system integrates seamlessly with standard control architectures and safety relays.
The F3SJ-E series features a streamlined, "easy" design paradigm that simplifies mounting, wiring, and overall system commissioning. With an operational range spanning from 0.2 to 7 meters, this light curtain is highly adaptable to space-constrained machinery and medium-range industrial workcells. Its IP65-rated enclosure ensures sustained optical alignment and environmental resilience against dust and water jets in manufacturing spaces.
| Manufacturer | Omron |
| Part Number / Model | F3SJ-E0305N25 |
| Series | F3SJ-E (Easy Type) |
| Sensor Type | Type 4 Safety Light Curtain |
| Output Type | NPN |
| Number of Beams | 14 |
| Beam Gap | 20 mm |
| Protective Height | 305 mm |
| Detection Capability | 25 mm diameter (Hand protection) |
| Operating Range | 0.2 m to 7.0 m |
| Light Source | Infrared LED (870 nm wavelength) |
| Power Supply Voltage | 24 VDC plus/minus 20% (SELV/PELV, ripple p-p 10% max.) |
| Current Consumption | Emitter: 41 mA max. / Receiver: 40 mA max. |
| Enclosure Protection | IP65 (IEC 60529) |
| Operating Temperature | -10 to 55 degC (non-condensing) |
| Weight | 1.3 kg |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|