440L-R4J0480YD Allen‑Bradley receiver

Description

440L-R4J0480YD Allen‑Bradley receiver

Product Dimensions：

The Allen-Bradley 440L-R4J0480YD is a receiver unit from the GuardShield™ Type 4 Safety Light Curtain series (440L Series), manufactured by Rockwell Automation. This self-contained, two-box electro-sensitive protective equipment (ESPE) is designed for high-reliability machine safeguarding. It operates as an active optoelectronic protection device (AOPD) that creates an invisible infrared light field between a transmitter (e.g., matching 440L-T4J0480YD) and receiver. When the beam is interrupted by an object or person, it sends a signal to stop hazardous machine motion, ensuring operator safety.

The “R” denotes receiver, “4J” indicates Type 4 safety level with 14 mm resolution, “0480” specifies the 480 mm protective height, and “YD” refers to the micro quick-disconnect connector and IP65 enclosure rating. It supports advanced configurations like cascading (up to three pairs), beam coding to prevent interference, and integration with safety controllers. The system is self-checking, fail-safe, and meets stringent global safety standards for point-of-operation guarding.

Product Parameters

Product Advantages

• High Safety Integrity: Achieves Category 4/PLe and SIL 3 ratings with self-monitoring outputs (OSSDs) that are fail-safe and short-circuit protected, providing robust protection against single faults.
• Flexible Configuration: DIP-switch selectable modes including fixed/floating blanking (for ignoring fixed objects like conveyor parts), external device monitoring (EDM), start/restart interlock, and beam coding to avoid crosstalk in multi-curtain setups.
• Easy Installation and Maintenance: Optical synchronization eliminates wiring between transmitter and receiver; optional integrated laser alignment (Class 1, eye-safe) simplifies setup. Cascadable design supports multi-sided guarding without mirrors.
• Versatile Integration: Compatible with ArmorBlock Guard I/O for DeviceNet networking, remote teach for external blanking configuration, and accessories like weld shields for harsh environments.
• Durable and Reliable: IP65-rated aluminum housing withstands industrial conditions; continuous self-testing at power-up and via machine test signals ensures ongoing performance. Low power consumption and long mission time (20 years) reduce operational costs.
• Enhanced Productivity: Allows selective blanking to accommodate material flow without false stops, while maintaining high detection resolution for finger/hand protection.

Precautions and Notes

• Installation Requirements: Must be performed by qualified personnel per the user manual (440L-UM003) and local regulations (e.g., Machinery Directive 2006/42/EC). Calculate and maintain minimum safety distances from hazards using formulas from OSHA, ANSI B11.19, or EN ISO 13849-1 (e.g., min. 6 in. from pinch points). Avoid reflective surfaces within distance a = tan(2.5°) × D.
• Usage Limitations: Not suitable for full-revolution clutched machinery, non-electrically stoppable equipment, or environments with heat, chemicals, flying debris, or flammables/explosives. Beam blanking creates “dead zones”—supplement with hard guards and conduct risk assessments.
• Electrical Hazards: Never connect OSSD outputs directly to +24V DC; use fail-safe control circuits with validated stopping times. Shock hazard from dangerous voltages; disconnect power before servicing.
• Maintenance and Testing: Perform daily visual checks (power, obstructions, response time) and semi-annual deep inspections (clean optics with non-abrasive cloth, verify mounts/cables). Use test rod (matching resolution) after changes; do not modify or repair—return to factory (warranty voided otherwise).
• Configuration Notes: Beam coding extends response time (up to 35 ms), increasing required safety distance. For cascading, configure only on the host unit and use termination plugs on unused connectors. Mirrors reduce range by 10% per reflection; weld shields are disposable and height-specific.
• Warnings: Burn hazard from hot surfaces; explosion risk in hazardous locations. Always verify alignment and test full system post-installation.

Product Applications

• Point-of-Operation Safeguarding: Finger/hand detection on presses, shears, and assembly machines to halt motion upon intrusion.
• Perimeter and Access Control: Guards entry to hazardous zones like robotic cells, conveyors, and packaging lines, integrating with interlocks for automatic shutdown.
• Multi-Sided Enclosures: Cascading or mirroring for L-shaped or three-sided protection around automated workstations without additional hardware.
• Material Handling: Floating blanking for in-feed/out-feed areas on sorting or palletizing systems, ignoring temporary interruptions from parts.
• Welding and Harsh Environments: Paired with weld shields to protect against sparks in automotive or fabrication lines.
• General Industrial Automation: Suitable for any electrically stoppable machinery requiring Type 4/ESPE compliance, such as in manufacturing, food processing, and pharmaceuticals, where high uptime and safety integration with PLCs/safety relays is essential.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：