{"product_id":"1794-if4i-allen-bradley-flex-i-o-4-channel-isolated-analog-input-module","title":"1794-IF4I |Allen-Bradley | Flex I\/O 4-Channel Isolated Analog Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eAllen-Bradley 1794-IF4I\u003c\/strong\u003e is a Flex I\/O isolated analog input module designed for precise signal acquisition in distributed control systems. With four isolated input channels, high-resolution conversion, and robust isolation voltage, it ensures accurate measurement of current and voltage signals in demanding industrial environments. Its compact DIN rail mounting design and compatibility with multiple terminal bases make it a versatile choice for scalable automation architectures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rockwell Automation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e1794-IF4I\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Flex I\/O 1794\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Isolated Analog Input Module\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e 4 isolated channels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSupported Signal Types:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCurrent: 0–20 mA, 4–20 mA, ±20 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVoltage: ±10 VDC, 0–10 VDC, ±5 VDC, 0–5 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e16-bit unipolar\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e15-bit plus sign bipolar\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eConversion Type:\u003c\/strong\u003e Sigma-Delta\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eConversion Accuracy:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCurrent: 0.320 µA\/count (unipolar), 0.640 µA\/count (bipolar)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVoltage: 0.156 mV\/count (unipolar), 0.313 mV\/count (bipolar)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Base Compatibility:\u003c\/strong\u003e 1794-TB2, TB3, TB3S, TB3T, TB3TS, TBN\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExternal DC Supply:\u003c\/strong\u003e Nominal 24 VDC (range 19–31.2 VDC, including 5% AC ripple)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFlexBus Current Draw:\u003c\/strong\u003e 50 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 120 V continuous\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 2.0 W max @ 31.2 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e 6.8 BTU\/hr max @ 31.2 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0–55 °C (32–131 °F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e –40–85 °C (–40–185 °F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e 5 g @ 10–500 Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eShock Resistance:\u003c\/strong\u003e 30 g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.31 lbs (≈ 0.14 kg)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplication Scenarios\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProcess Control Systems:\u003c\/strong\u003e Accurate analog signal acquisition for monitoring and regulation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDistributed Automation:\u003c\/strong\u003e Designed for Flex I\/O systems with modular expansion capability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHigh-Precision Measurement:\u003c\/strong\u003e 16-bit resolution ensures reliable data for critical applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIndustrial Environments:\u003c\/strong\u003e Robust isolation and shock\/vibration resistance for harsh conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: How many input channels does the 1794-IF4I provide?\u003c\/strong\u003e  A: It supports 4 isolated analog input channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What signal types are supported?\u003c\/strong\u003e  A: Current (0–20 mA, 4–20 mA, ±20 mA) and voltage (±10 VDC, 0–10 VDC, ±5 VDC, 0–5 VDC).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What is the resolution of the module?\u003c\/strong\u003e  A: 16-bit unipolar and 15-bit plus sign bipolar.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: How does it compare to the 1794-IF4XOF2 module?\u003c\/strong\u003e  A: The \u003cstrong\u003e1794-IF4I\u003c\/strong\u003e provides isolated analog inputs only, while the \u003cstrong\u003e1794-IF4XOF2\u003c\/strong\u003e combines analog inputs with analog outputs, offering mixed functionality.\u003c\/span\u003e\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52992509870264,"sku":"1794-IF4I","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-IF4I.jpg?v=1773311219","url":"https:\/\/www.globalpetroparts.com\/products\/1794-if4i-allen-bradley-flex-i-o-4-channel-isolated-analog-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}