Configured for optical intrusion detection and emergency stop signal generation in industrial automation safety zones, the Omron F3SJ-E0545P25 (F3SJ-E Safety Light Curtain) provides direct physical/electrical execution.

Model Suffix & Configuration Structure

The alphanumeric sequence identifies specific hardware capabilities, physical height dimensions, output configurations, and optical beam resolution:

• F3SJ-E: Easy-type functional variant designed for basic safety sensing applications without software setup.
• 0545: Indicates a protective height of 545 mm.
• P: PNP open-collector output driver configuration.
• 25: Designates a 20 mm optical beam gap achieving a 25-mm diameter object detection capability.

Hardware Parameter Specifications

Network Determinism & Distributed I/O Integration

The light curtain interfaces with PLC safety input modules across Profinet or EtherNet/IP deterministic networks. High I/O density scaling allows seamless array expansion without degradation of signal cycle times. Integrated firmware flash compatibility across safety controllers ensures instantaneous, synchronized switching execution during beam break events without bus latency overhead.

Ordering Information & Package Deliverables

• 1 x Omron F3SJ-E0545P25 Emitter Assembly
• 1 x Omron F3SJ-E0545P25 Receiver Assembly
• 1 x Side-Mounting Hardware Kit
• 1 x Hardware Technical Instruction Manual

Field Wiring & Mounting Protocol

Mechanical Mounting Alignment

• Align the emitter and receiver heads along parallel axes facing each other across the sensing path.
• Ensure structural mounting points are rigid and insulated against localized machinery vibration.
• Verify the operating span remains strictly between 0.2 m and 7 m.

Electrical Connections & EMI Mitigation

• Power the system using a dedicated 24 VDC SELV/PELV power supply with ripple kept under 10%.
• Separate PNP output signal lines from high-voltage motor conductors and variable frequency drive wiring.
• Ground the aluminum outer housing to protective earth using short, low-impedance copper conductors.

Technical Questions & Operating Diagnostics

• Q: What power input voltage range is required to maintain sensor operation?

  A: The sensor requires a regulated 24 VDC SELV/PELV supply with a +/-20% voltage tolerance and maximum peak-to-peak ripple restricted to 10% max.

• Q: Can sensor cable assemblies be disconnected or rewired while powered?

  A: Live hot-swapping or wiring adjustments are prohibited; disconnecting cabling under power can cause short-circuit damage to the internal output PNP transistors.

• Q: What level of personnel protection does the 20 mm beam gap provide?

  A: The 20 mm beam gap yields a 25-mm diameter detection capability, designed specifically for hand and arm detection in dangerous operating zones.

• Q: What is the current consumption for this model during active operation?

  A: For a 26-beam array under no-load conditions, the emitter draws up to 57 mA and the receiver draws up to 47 mA from the 24 VDC supply rail.

• Q: How does the PNP output circuit behave when the sensing path is clear?

  A: Under clear optical path conditions, the PNP switching outputs conduct, driving high-level 24 VDC potential to the connected safety input device.

• Q: What IP environmental rating does the enclosure shell maintain?

  A: The enclosure assembly complies with the IP65 rating, offering complete resistance to dust intrusion and protection against low-pressure water spray.

• Q: What optical wavelength is used by the internal emitter diodes?

  A: The emitter optics use infrared light-emitting diodes (LEDs) operating at a peak emitted wavelength of 870 nm to transmit beams to the receiver.

• Q: How should cable shields be connected to handle high EMI environments?

  A: Connect the signal drain wire to a single protective earth (PE) ground point on the main enclosure frame to effectively drain high-frequency interference.