Overview
The Allen-Bradley 42EF-P2JBB-F4 RightSight photoelectric sensor is a compact, polarized retroreflective detection device engineered for light- to medium-level industrial automation applications. Operating on 10-30V DC with a visible red 660 nm light source, this sensor combines reliable performance with user-friendly setup features including ultra-bright status LEDs visible from up to 7 meters away.
Key Features
- Sensing Mode: Polarized retroreflective with reduced false triggers from shiny surfaces
- Output Type: NPN and PNP (dual switchable, sourcing/sinking compatible)
- Operating Voltage: 10.8–30V DC
- Light Source: Visible red (660 nm), 0.025–3 m (0.08–9.8 ft) sensing distance
- Connector: 4-pin M12 quick-disconnect on pigtail with 150 mm cable
- Output Rating: 100 mA maximum
- Environmental Protection: IP67 rated for dustproof, water-resistant operation
- Mounting: 18 mm cylindrical threaded base, front through-hole compatible
- LED Indicators: Power and target status for real-time diagnostics during setup and operation
Technical Specifications
- Catalog Number: 42EF-P2JBB-F4
- Series: 42EF Enhanced RightSight
- Operating Voltage: 10.8–30V DC
- Sensing Distance: 0.025–3 m (0.08–9.8 ft)
- Light Source: Visible Red (660 nm wavelength)
- Output Function: Light Operate (normally off)
- Output Type: NPN/PNP dual-selectable
- Max Output Current: 100 mA
- Connector Type: M12 4-pin quick-disconnect
- Cable Length: 150 mm (6 in.)
- Housing: Cylindrical 18 mm threaded base
- Environmental Rating: IP67
- Conductor Size: 22 AWG
- Certifications: C-TICK
Typical Applications
The 42EF-P2JBB-F4 is well-suited for:
- Box and container detection on conveyor systems
- Part presence/absence verification in assembly lines
- Label and film edge detection
- Packaging line control and sorting applications
- Automated material handling and logistics
- Food, beverage, and pharmaceutical processing where washdown environments require IP67 protection
Compatibility & Replacements
Compatible With
- Rockwell Automation POINT I/Oâ„¢ systems with IO-Link master modules
- IO-Link Master Module 1734-4IOL for advanced diagnostics
- Any industrial PLC or motion controller accepting NPN/PNP photoelectric inputs
- Distributed 24V DC safety-rated control circuits
- Standard 10-30V DC industrial power supplies
Replaces / Drop-In Replacement For
- 42EF-U2JBB-F4 (same electrical specs, different form factor)
- Earlier-generation 42EF retroreflective sensors with identical M12 QD connector pinout
- Verify exact model compatibility with your system integrator before ordering
Works With
- IO-Link protocol and configuration tools (via optional master module)
- EtherNet/IP and PROFINET networks through Rockwell gateway devices
- Standard industrial automation control platforms (Studio 5000, TIA Portal, Mitsubishi GOT, Omron Sysmac)
- Dual NPN/PNP output compatible with both sourcing and sinking control logic




