<h2>Overview</h2>
<p>The <strong>Banner QS18UPAQ8</strong> is a compact high-speed ultrasonic sensor from the WORLD-BEAM QS18U series, engineered for reliable object detection and distance measurement in industrial automation and motion control applications. This sensor combines miniature form factor with rugged construction, making it ideal for tight mounting spaces while withstanding harsh factory environments.</p>
<h2>Key Features</h2>
<ul>
<li><strong>TEACH Mode Programming</strong> — Simple push-button setup for quick commissioning without external software or tools</li>
<li><strong>Compact Rectangular Housing</strong> — M18 threaded mount design fits tight installation spaces with minimal footprint</li>
<li><strong>Fast Response Time</strong> — 15 millisecond switching frequency allows high-speed detection for dynamic applications</li>
<li><strong>Temperature Compensation</strong> — Built-in temperature compensation ensures stable performance across operating range</li>
<li><strong>Dual Status LEDs</strong> — Green power indicator and yellow output status LED visible from 360° for instant diagnostics</li>
<li><strong>IP67 / NEMA 6P Rating</strong> — Sealed housing with protected circuitry for washdown and corrosive environments</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Sensing Range:</strong> 50 – 500 mm (1.97 – 19.68 inches)</li>
<li><strong>Supply Voltage:</strong> 12 – 30 VDC (24 VDC nominal)</li>
<li><strong>Output:</strong> PNP (transistor), normally open</li>
<li><strong>Maximum Load Current:</strong> 100 mA</li>
<li><strong>Response Time:</strong> 15 milliseconds</li>
<li><strong>Transmission Frequency:</strong> 300 kHz</li>
<li><strong>Operating Temperature:</strong> −20 to +60°C (−4 to +140°F)</li>
<li><strong>Housing Material:</strong> ABS plastic</li>
<li><strong>Dimensions:</strong> 15 × 33.5 × 49 mm (0.59 × 1.32 × 1.93 inches W×D×H)</li>
<li><strong>Connector:</strong> 4-pin M12 Euro-style rotatable QD (quick disconnect)</li>
<li><strong>Enclosure Rating:</strong> IP67 / NEMA 6P</li>
<li><strong>Protection:</strong> Short-circuit protection</li>
<li><strong>Certifications:</strong> RoHS compliant, cUL listed</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Conveyor and material handling systems for object detection and positioning</li>
<li>Fill level monitoring in bins, hoppers, and tanks</li>
<li>Automated assembly lines and part counting</li>
<li>Proximity detection in robotics and pick-and-place machinery</li>
<li>Package arrival and departure sensing on packaging lines</li>
<li>Washdown and food processing environments requiring sealed sensors</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Industrial PLC controllers with 12–30 VDC supply and digital input modules</li>
<li>Motion control systems (Siemens S7 series, Allen-Bradley CompactLogix/ControlLogix)</li>
<li>Standard industrial automation platforms supporting discrete input signals</li>
<li>M12 connector-based industrial networks and harness systems</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Banner WORLD-BEAM T30/QS Series ultrasonic sensors with equivalent M18 threaded mount and M12 connector interface</li>
<li>Legacy Banner ultrasonic proximity sensors in 50–500 mm range with 12–30 VDC input</li>
<li>Verify specific model compatibility with your system integrator before ordering.</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Studio 5000 (Rockwell Automation) via standard discrete input modules</li>
<li>TIA Portal (Siemens) PLC programming environments</li>
<li>Industrial Ethernet and PROFINET fieldbus systems with M12 adapters</li>
<li>EtherNet/IP and PROFIBUS-compatible control systems</li>
<li>Standard PLC scan-cycle polling and interrupt-driven input logic</li>
</ul>










