<h2>Overview</h2>
<p>The <strong>Allen-Bradley 1794-ADN</strong> is a 24VDC DeviceNet media adapter designed for the Flex I/O product family. It connects a Flex I/O rack to a central DeviceNet scanner, enabling seamless I/O data exchange in distributed control architectures. This open-style module supports DIN-rail or panel mounting, making it suitable for both in-cabinet and field-mounted applications.</p>
<h2>Key Features</h2>
<ul>
<li>Supports up to 8 Flex I/O modules per adapter</li>
<li>Dual communication rates: 125 kbps, 250 kbps, or 500 kbps (auto-detectable)</li>
<li>One DeviceNet port with 5-pin or 10-pin linear connector options</li>
<li>Status LED indicators for I/O and network monitoring</li>
<li>Open-style enclosure for flexible panel integration</li>
<li>Compact footprint: 3.7 x 3.6 x 3.4 inches</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Input Voltage:</strong> 24VDC nominal (19.2 to 31.2VDC operating range, 5% AC ripple)</li>
<li><strong>Power Supply Current:</strong> 400 mA at 24VDC</li>
<li><strong>DeviceNet Power:</strong> 24VDC at 90 mA</li>
<li><strong>FlexBus Output Current:</strong> 640 mA at 5VDC maximum</li>
<li><strong>Communication Rate:</strong> 125, 250, 500 kbps</li>
<li><strong>I/O Module Capacity:</strong> 8 modules maximum</li>
<li><strong>Operating Temperature:</strong> 0°C to 55°C (32°F to 131°F)</li>
<li><strong>Storage Temperature:</strong> -40°C to 85°C (-40°F to 185°F)</li>
<li><strong>Dimensions:</strong> 3.7 x 3.6 x 3.4 inches</li>
<li><strong>Mounting:</strong> DIN-rail or panel mount</li>
<li><strong>Enclosure Type:</strong> Open-style, IP20</li>
<li><strong>Certifications:</strong> UL, CE, C-TICK, CUL, GOST, KC, MARINE</li>
</ul>
<h2>Typical Applications</h2>
<p>The 1794-ADN is widely deployed in manufacturing and process control environments where distributed I/O and DeviceNet communication are required:</p>
<ul>
<li>Assembly lines with remote I/O racks</li>
<li>Packaging machinery integrated with DeviceNet networks</li>
<li>Food and beverage processing systems</li>
<li>Automotive production facilities</li>
<li>Material handling systems</li>
<li>Any application requiring scalable, distributed I/O control</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Flex I/O product family (1794 series)</li>
<li>Allen-Bradley Flex I/O input and output modules</li>
<li>DeviceNet-compatible programmable controllers and scanners</li>
<li>Rockwell Automation control systems</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<p>Verify compatibility with your system integrator before ordering. Direct replacement verification recommended.</p>
<h3>Works With</h3>
<ul>
<li>DeviceNet protocol</li>
<li>Flex I/O communication standard</li>
<li>Allen-Bradley RSLogix and Studio 5000 control engineering software</li>
<li>Flex I/O configuration and diagnostic tools</li>
</ul>
