Overview
The Sick WL11-2P2430 (part number 1041385) is a photoelectric retro-reflective sensor designed for reliable detection in industrial automation and positioning applications. Operating on 10–30V DC, this compact W11-2 series unit uses a dual-lens optical design with visible red LED light to achieve consistent sensing across 0.15–8 meters. The sensor outputs complementary PNP signals at ≤100 mA with light/dark switching modes, making it ideal for controls engineers seeking a drop-in replacement for existing W11-2 installations.
Key Features
- Photoelectric Retro-Reflective Sensing: Detects reflected light from a retroreflector; eliminates false triggers from background objects.
- Dual-Lens Optical System: Narrow 2.2° beam angle minimizes crosstalk and ensures precise detection at medium to long ranges.
- Wide Voltage Range: Accepts 10–30V DC supply with <5V pp ripple tolerance; 30 mA typical consumption.
- Fast Response: ≤2.5 ms switching time; 200 Hz maximum switching frequency supports rapid-cycle machinery.
- Robust Enclosure: IP66, IP67, and IP69K ratings; ABS plastic housing resists moisture, dust, and wash-down environments.
- M12 4-Pin Connector: Standard male connector ensures quick integration with industrial control networks and I/O terminals.
Technical Specifications
- Supply Voltage: 10–30V DC (ripple <5 Vpp)
- Current Consumption: 30 mA
- Sensing Range: 0.15–8 m (max 0.15–10 m)
- Focus Angle: Approx. 2.2°
- Light Source: Visible red LED
- Light Spot Size: Ø 50 mm at 3 m
- Switching Output: PNP, complementary light/dark switching
- Output Current (max): ≤100 mA
- Response Time: ≤2.5 ms
- Switching Frequency: 200 Hz
- Connection Type: M12 male connector, 4-pin
- Enclosure Rating: IP66, IP67, IP69K
- Operating Temperature: –30 °C to +60 °C
- Dimensions (W × H × D): 15.6 × 48.5 × 42 mm
- Weight: 120 g
- Housing Material: ABS plastic; PMMA optics
- Polarization Filter: Yes
- Part Number (1041385): Sick OEM designation
Typical Applications
- Automated packaging and labeling lines; product presence detection
- Conveyor belt control; package counting and sorting
- Assembly machine safety interlocks and position verification
- Pallet and carton detection in material-handling systems
- Vehicle or object presence detection in industrial gateways or toll applications
- Motion-control feedback in robotics and machine vision systems
Compatibility & Replacements
Compatible With
- Allen-Bradley PLC input modules and CompactLogix systems (via standard 24V DC supply)
- Siemens SIMATIC S7-1200/1500 and S7-300/400 with analog input terminals
- Mitsubishi FX/Q series PLCs via standard digital input modules
- Omron CP1/CP2 systems with standard DIN or PCB-terminal M12 connectors
- Schneider Electric Modicon M241/M251 and TeSys motor controls
- Generic 10–30V DC industrial control systems with PNP signal requirements
Replaces / Drop-In Replacement For
- Sick WL11-2P2430 (all OEM orders)
- Other W11-2 series photoelectric models with equivalent sensing ranges and M12 male connectors
- Verify part number match with your system integrator before ordering to ensure pinout and output compatibility
Works With
- Communication Protocols: IO-Link (not supported on this model); standard discrete PNP signal output
- Software Platforms: Any PLC or HMI with standard 24V DC digital input; no special software drivers required
- Connector Standard: M12 A-code, 4-pin male; compatible with M12 female receptacles on industrial I/O modules and sensor junction boxes
- Electrical Integration: Works with PNP-input-capable relay modules, terminal blocks, and analog-to-digital converters in standard industrial automation networks



