{"product_id":"allen-bradley-1794-ie12-flex-i-o-24v-dc-12-channel-input","title":"Allen-Bradley 1794-IE12 | FLEX I\/O 24V DC 12-Channel Input","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-IE12\u003c\/strong\u003e is a high-density Analog Input Module specifically designed for the FLEX I\/O™ platform. This module features 12 single-ended input channels, allowing for significant I\/O expansion in a compact footprint. Engineered for speed and precision, the 1794-IE12 offers a rapid 5 ms response time, making it ideal for high-speed process monitoring and data acquisition in industrial environments. At only \u003cstrong\u003e97 g\u003c\/strong\u003e, it provides one of the best power-to-weight ratios in distributed I\/O hardware, ensuring efficient DIN rail mounting and reduced cabinet heat-load.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Configuration\u003c\/h2\u003e\n\u003ch3\u003eModel Analysis: 1794-IE12\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1794:\u003c\/strong\u003e FLEX I\/O™ Series — The modular, distributed I\/O benchmark for Rockwell Automation systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIE:\u003c\/strong\u003e Analog Input — Specialized for voltage and current signal processing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12:\u003c\/strong\u003e 12-Channel Capacity — High-density, single-ended configuration for maximum point count.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e Supports 0 to 31.2 VDC inputs with a 10 kΩ impedance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left;\"\u003eFeature\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e12 Single-Ended\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e0 to 31.2 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e5 ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e\u003cstrong\u003eUnit Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e97 g (3.4 oz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e1.2 W @ 31.2 VDC (Max)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e\u003cstrong\u003eExternal Supply\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 10px;\"\u003e24 VDC Nominal (10.0-31.2V Range)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Engineering Guide\u003c\/h2\u003e\n\u003cp\u003eProper engineering of the high-density FLEX I\/O stack is vital for signal accuracy:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring Category:\u003c\/strong\u003e This module is rated as Wiring Category 2 for both signal and power ports. Use shielded twisted-pair cabling to minimize noise interference on the 12 single-ended channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e With a maximum thermal dissipation of 4.1 BTU\/hr, the 1794-IE12 is designed for cool operation. Ensure ambient temperatures remain between 0°C and 55°C (32°F to 131°F).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e The lightweight 97 g module snaps directly onto standard zinc-plated 35mm DIN rails. Ensure the terminal base is securely grounded to the rail to maintain the T4A North American Temperature Code safety rating.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e The module includes a 5% AC ripple tolerance on its 24V DC input, allowing for use with standard industrial power supplies without additional filtering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Point Density:\u003c\/strong\u003e By offering 12 inputs in a single module, the 1794-IE12 reduces the number of terminal bases and adapters required, lowering the total cost of ownership (TCO).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Lightweight Design:\u003c\/strong\u003e At only 97 g, this module reduces the mechanical load on the DIN rail and internal mounting hardware, which is critical in mobile or high-vibration applications (rated for 5g vibration).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRapid Data Acquisition:\u003c\/strong\u003e The 5 ms response time allows for more frequent process updates, improving the resolution of trend data and control loop performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Range:\u003c\/strong\u003e Capable of operating down to 10.0 VDC, providing resilience against voltage drops in distributed control networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between single-ended and differential inputs for this module?\u003c\/strong\u003e\u003cbr\u003e\nA1: The 1794-IE12 uses single-ended inputs, meaning all 12 channels share a common return path. This allows for higher density but requires careful attention to grounding to prevent ground loops.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Is the 97 g weight including the terminal base?\u003c\/strong\u003e\u003cbr\u003e\nA2: No, the 97 g weight refers to the 1794-IE12 module itself. The terminal base (e.g., 1794-TB3) will add additional weight to the total assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: Can this module handle 30V inputs?\u003c\/strong\u003e\u003cbr\u003e\nA3: Yes, the input voltage range is rated up to 31.2 VDC, accommodating 24V systems that may experience fluctuations or \"over-charging\" conditions from power supplies.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51050727276676,"sku":"1794-IE12","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1794-IE12-4.jpg?v=1777388713","url":"https:\/\/www.etowonauto.com\/tk\/products\/allen-bradley-1794-ie12-flex-i-o-24v-dc-12-channel-input","provider":"Etowon Auto","version":"1.0","type":"link"}