<h2>Overview</h2>
<p>The <strong>Turck BI 2-M12-AD4X</strong> inductive proximity sensor (model 4405000) is engineered for dependable, wear-free detection of ferrous and non-ferrous metals in industrial automation environments. With a 2 mm sensing distance and fully shielded M12 barrel design, this sensor excels in tight manufacturing spaces where precise object positioning is critical. The DC 2-wire transistor output and integrated LED indicator provide straightforward integration into legacy and modern control systems alike.</p>
<h2>Key Features</h2>
<ul>
<li>2 mm sensing range for detection in confined spaces</li>
<li>M12 × 1 partially threaded barrel design with brass housing and PA12-GF30 sensing face</li>
<li>10–65 VDC supply voltage range for multi-platform compatibility</li>
<li>DC 2-wire normally open transistor output; 100 mA maximum</li>
<li>LED output indicator for visual status confirmation</li>
<li>2 meter PVC-jacketed cable with bare flying leads for flexible wiring</li>
<li>Shielded construction; IP67-rated for washdown and humid environments</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Input Voltage:</strong> 10–65 VDC</li>
<li><strong>Sensing Distance:</strong> 2 mm (adjustable approximately 0.5–2 mm)</li>
<li><strong>Output Type:</strong> DC 2-wire transistor (PNP normally open)</li>
<li><strong>Maximum Output Current:</strong> 100 mA</li>
<li><strong>Barrel Diameter:</strong> M12 × 1 (12 mm)</li>
<li><strong>Barrel Length:</strong> Partially threaded</li>
<li><strong>Housing Material:</strong> Chrome-plated brass</li>
<li><strong>Sensing Face:</strong> PA12-GF30 (glass-fiber-reinforced polyamide)</li>
<li><strong>Cable Length:</strong> 2 meters (6.5 feet)</li>
<li><strong>Operating Temperature:</strong> −13 °F to +158 °F (−10 °C to +70 °C)</li>
<li><strong>Protection Rating:</strong> IP67; NEMA 1, 3, 4, 6, 13</li>
<li><strong>Connector Type:</strong> Bare flying leads (not M12 connector)</li>
<li><strong>Factor 1:</strong> Responds to all ferrous and non-ferrous metals</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Assembly line part positioning and presence detection</li>
<li>Material handling conveyor systems and sorting gates</li>
<li>Machine tool limit switching and workpiece clamping verification</li>
<li>Packaging and labeling equipment object counting</li>
<li>Automated guided vehicle (AGV) and robotics navigation and collision avoidance</li>
<li>Food and beverage processing where submersion resistance is required</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Allen-Bradley CompactLogix, ControlLogix, and MicroLogix PLCs (via 24 VDC input module)</li>
<li>Siemens S7-1200, S7-1500, and LOGO! controllers</li>
<li>Mitsubishi FX, Q-series, and iQ-R PLCs</li>
<li>Omron CP, NX, and NJ series controllers</li>
<li>Generic 10–65 VDC DC input cards and digital I/O modules</li>
<li>Any automation system with discrete DC 2-wire input capability</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Turck BI 2-M12 (non-cable variant)</li>
<li>Other 2 mm M12 inductive sensors with DC 2-wire transistor output and similar voltage range</li>
<li>Verify part number compatibility before ordering to ensure mechanical fit and cable configuration match.</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Studio 5000 (Allen-Bradley) for I/O configuration</li>
<li>TIA Portal (Siemens) for sensor integration and logic programming</li>
<li>GX Works (Mitsubishi) for PLC I/O assignment</li>
<li>Sysmac Studio (Omron) for discrete input configuration</li>
<li>EtherNet/IP, PROFIBUS, PROFINET, and DeviceNet gateways (via I/O coupler or terminal interface)</li>
</ul>
