Overview
The Allen-Bradley 42EF-E1EZB-A13 is a transmitted beam photoelectric sensor featuring the RightSight interface design for flexible industrial sensing. Built on proven automation technology, this Series B unit combines Class 1 laser light source capabilities with a compact 18 mm threaded base for straightforward installation and alignment in control systems.
Key Features
- Visible red light source with 360° ultra-bright LED status indicators visible up to 7 meters, simplifying setup and troubleshooting
- IP69K rated housing for reliable operation in washdown and harsh industrial environments
- Linear sensitivity adjustment for precise control over detection margins and response curves
- High frequency ballast immunity reducing false triggers from electrical noise and RF interference
- 18 mm threaded base and nose mount providing industry-standard form factor for quick integration
- Transmitted beam design suitable for through-beam sensing applications
Technical Specifications
Key technical parameters for system integration:
- Light Source: Class 1 Laser (visible red light)
- Sensing Mode: Transmitted Beam
- Housing Rating: IP69K
- Base Mount: 18 mm Threaded
- Output Type: DC
- Status Indication: 360° visible LED (up to 23 ft viewing distance)
- Protection: Input reverse polarity, overvoltage, false pulse protected; output short-circuit protection to 100 mA
- Certifications: UL, CE, CUL, CSA, CCC, KC
Typical Applications
Allen-Bradley 42EF-E1EZB-A13 sensors excel in:
- Packaging and material handling lines requiring through-beam detection
- Conveyor systems and sorting applications
- Manufacturing process control and object presence verification
- High-speed production monitoring with automatic alignment aids
- Washdown and wet environments with demanding chemical exposure
- Applications requiring fast response and minimal maintenance
Compatibility & Replacements
Compatible With
- CompactLogix, ControlLogix, and other Allen-Bradley PLCs via standard digital input modules
- IO-Link master modules (1734-4IOL) for advanced diagnostics and configuration via Studio 5000
- EtherNet/IP networks when integrated through appropriate adapter modules
- Standard 24 VDC industrial control voltage supplies
- Sensor cables with M8 quick-disconnect (4-pin DC pico)
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. The 42EF-E1EZB series supersedes earlier photoelectric sensor generations in the 42EF line.
Works With
- Studio 5000 Automation Engineering and Design Software – full IO-Link configuration support for 42EF sensors
- IO-Link Protocol – real-time diagnostics, automatic device configuration (ADC), and application-specific naming
- EtherNet/IP – network integration via 1734-AENTR adapters
- Rockwell Automation ProposalWorks – product selection and specification tools
- PLC Input Modules – standard NPN/PNP output compatibility














