Overview
The Banner QS18VN6LPQ is an all-purpose photoelectric sensor from Banner Engineering’s WORLD-BEAM QS18 series. This polarized retro-reflective unit provides a 3.5m sensing range, making it ideal for mid-range detection tasks in industrial automation and manufacturing environments. The sensor operates on 10-30VDC input with complementary solid-state NPN output, ensuring compatibility with standard industrial control systems.
Key Features
- Polarized retro-reflective sensing mode with 3.5m detection range
- 10-30VDC input voltage; NPN transistor complementary output (Light-ON/Dark-ON selectable)
- Visible red LED (650nm) for easy target alignment and diagnostics
- 150mm (6 inch) M8 pigtail connector with quick-disconnect coupling
- IP67/NEMA 6 sealed thermoplastic housing with acrylic lens
- M18 threaded barrel mount for universal installation flexibility
- Operating temperature range: –20°C to +70°C ambient
Technical Specifications
- Sensing Mode: Polarized Retro-Reflective
- Detection Range: 3.5 m
- Input Voltage: 10–30 VDC
- Output Type: NPN Transistor, Complementary Solid-State
- Connector: 150 mm (6 in) M8 Pigtail QD
- Light Source: Visible Red LED (650 nm)
- Housing Material: Thermoplastic with Acrylic Lens
- IP Rating: IP67 / NEMA 6
- Mount Type: M18 Threaded Barrel
- Operating Temperature: –20°C to +70°C
- Series: WORLD-BEAM QS18
- Part Number (Banner): 61628
Typical Applications
- Package detection and part counting on conveyor systems
- Object presence and position sensing in automated machinery
- Reflex/retro-reflective mode detection where target reflectivity is controlled
- Sorting and material handling systems requiring mid-range detection
- Assembly line quality control and part verification
Compatibility & Replacements
Compatible With
- Standard 10-30VDC industrial control systems and PLCs
- Discrete NPN input modules and safety relays
- Standard M8 quick-disconnect cable assemblies and mating connectors
- Retro-reflective target plates and reflective markers
- Industrial automation platforms requiring visible-light photoelectric detection
Replaces / Drop-In Replacement For
- Other M18 threaded-barrel photoelectric sensors in retro mode requiring NPN output and 3.5m range
- Legacy banner or similar mid-size retro-reflective sensors with comparable voltage and connector specifications
- Verify exact compatibility with your system integrator before ordering, as minor output logic differences may require relay configuration adjustments
Works With
- 4-pin Euro QD quick-disconnect coupling (sold separately if using QS18VN6LPQQ8 variant)
- M8 cable assemblies with 2m, 6m, or custom lengths available from Banner
- Standard industrial PLC and safety controller discrete input circuits
- Retro-reflective target detection workflows in packaging, sorting, and assembly applications
