Overview
The Sick ET3-P0728S10 is a compact photoelectric sensor designed for reflective-mode detection in industrial automation applications. This unit combines proven Sick sensor technology with a space-efficient form factor suitable for machine integration. The ET3 series delivers reliable performance for object detection, positioning, and material handling tasks across manufacturing, packaging, and assembly environments.
Key Features
- Compact cylindrical M18 housing for space-constrained installations
- Reflective operating mode (diffuse or background-suppressed) for flexible mounting options
- PNP digital output logic for standard industrial control integration
- Infrared LED technology with 850 nm wavelength
- Potentiometer-adjustable switching threshold
- M12 connector interface for quick disconnect installations
- Durable brass and plastic optics construction rated for industrial environments
Technical Specifications
- Manufacturer: Sick
- Part Number: ET3-P0728S10
- Alternative Part Number: 1044728
- Housing Type: M18 cylindrical
- Detection Mode: Reflective (diffuse or background-suppressed)
- Operating Voltage: 10–30 VDC
- Output Type: PNP, digital switching
- Output Current: 100 mA maximum
- Wavelength: 850 nm infrared LED
- Connector: 4-pin M12, A-coded
- IP Rating: IP67 (sealed against dust and moisture)
- Ambient Temperature Range: –25°C to +55°C (–13°F to +131°F)
- Housing Material: Nickel-plated brass with plastic PMMA optics
- Condition: New – No Box
Typical Applications
The Sick ET3-P0728S10 serves in a variety of industrial detection scenarios:
- Object presence detection on conveyor lines
- Positioning and part counting in packaging systems
- Material detection in pick-and-place automation
- Inline quality verification and sorting
- Warehouse and material handling systems
Compatibility & Replacements
Compatible With
- Standard PLC I/O modules with 24 VDC digital input capability
- Allen-Bradley CompactLogix, ControlLogix, and MicroLogix controllers
- Siemens S7-1200, S7-1500, and S7-300 PLCs
- Omron NX/NJ series programmable controllers
- Beckhoff embedded PCs and TwinCAT control systems
- Any industrial control system with 10–30 VDC supply and PNP input capability
- EtherNet/IP, PROFINET, and standard industrial network environments
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or controls engineer before ordering. The ET3 series is mechanically similar to earlier Sick photoelectric generations; verify connector pinout and voltage requirements with your documentation.
Works With
- M12 A-coded connector systems (standard industrial automation plugs)
- 24 VDC digital input modules and microcontroller inputs
- Standard PLC programming software (Studio 5000, TIA Portal, CX-Programmer, GX Works)
- Industrial wiring and control cabinets with surge protection
- M18 mounting brackets and reflector accessories (Sick BEF-WN and equivalent)
