Overview
The Banner QS18RPH6LPQ8 is a compact photoelectric sensor from Banner Engineering’s WORLD-BEAM QS18 series. This sensor is engineered for retro-reflective detection across industrial machinery, packaging, and process automation. The QS18 series provides universal housing design with a standard 18 mm threaded barrel mount, making it an ideal replacement for multiple legacy sensor styles while maintaining drop-in compatibility with existing installations.
Key Features
- Retro-reflective detection mode: Polarized sensing with integrated reflector for extended range and reliable object detection
- 10–30 VDC input: Compatible with standard industrial 12 VDC and 24 VDC control systems
- Complementary PNP/NPN output: Flexible solid-state switching for NO/NC operation and Dark-ON/Light-ON configuration
- IP67 environmental rating: Sealed thermoplastic housing with acrylic lens for washdown and dusty environments
- M18 threaded mount: Quick installation with standard industrial sensor brackets
- Visible red LED indicator: Real-time feedback for alignment and troubleshooting
Technical Specifications
- Supply Voltage: 10–30 VDC
- Output Type: Complementary Solid-State (PNP/NPN selectable)
- Sensing Mode: Retro-reflective with polarization
- Sensor Housing: Thermoplastic with acrylic lens
- Mounting: M18 threaded barrel
- IP Rating: IP67 / NEMA 6
- Operating Temperature: −20 to +70 °C
- Sensing Beam: Visible red LED (650 nm)
- Series: Banner WORLD-BEAM QS18
Typical Applications
- Conveyor and material handling line detection
- Packaging machinery object sensing
- Level and presence detection with reflective targets
- Industrial automation machine safeguarding
- Production line part counting and throughput monitoring
- Washdown and high-moisture environments requiring sealed construction
Compatibility & Replacements
Compatible With
- Banner WORLD-BEAM reflector systems and target materials
- Standard industrial PLCs and control systems accepting 10–30 VDC solid-state sensor inputs
- PNP and NPN input modules on industrial controllers
- IP67-rated sensor mounting hardware and brackets
Replaces / Drop-In Replacement For
The QS18 series is designed as a universal replacement across Banner’s portfolio and other manufacturers’ legacy photoelectric sensor models. Verify exact compatibility with your system integrator or control engineer before ordering to ensure proper signal wiring and sensing mode alignment.
Works With
- PLC-based control systems (Allen-Bradley, Siemens, Mitsubishi, Omron, etc.)
- Industrial relay logic and hardwired control circuits
- Programmable controllers using discrete 24 VDC input/output modules
- Robotic automation and motion control platforms












