{"product_id":"allen-bradley-1756-if8i-controllogix-high-precision-analog-input-module","title":"Allen-Bradley 1756-IF8I | ControlLogix High-Precision Analog Input Module","description":"\u003ch2\u003eProduct Content Example\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF8I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an Allen-Bradley ControlLogix analog input module designed for high-accuracy industrial applications. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eeight individually isolated channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat support voltage and current inputs. The module handles ±10.5V, 0–10.5V, 0–5V, and 0–20 mA signals.\u003c\/p\u003e\n\u003ch3\u003eHigh-Resolution Conversion and Data Format\u003c\/h3\u003e\n\u003cp\u003eEach channel of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF8I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses 24-bit sigma-delta conversion. It outputs IEEE 32-bit floating-point data and delivers an effective resolution between 16–21 bits. The module accurately converts signals as low as 1.49 μV\/count for voltage and 2.99 nA\/count for current.\u003c\/p\u003e\n\u003ch3\u003ePower and Backplane Specifications\u003c\/h3\u003e\n\u003cp\u003eThe module draws\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e200 mA at 5.1 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand 150 mA or 400 mA at 24 VDC depending on sourcing mode. Maximum power dissipation ranges from 4.6 W in voltage mode to 7.3 W in sourcing current mode. It provides loop power for 2-wire and 4-wire transmitters.\u003c\/p\u003e\n\u003ch3\u003eChannel Protection and Diagnostic Features\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1756-IF8I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotects each channel against overvoltage and short circuits. It monitors module temperature errors, ramp rates, and process alarms while providing advanced diagnostics for reliable operation.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe module uses removable terminal blocks\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBNH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBS6H\u003c\/strong\u003e. It fits standard ControlLogix backplane slots and ensures seamless integration into industrial automation systems.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50629101322536,"sku":"1756-IF8I","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/1756-IF8I3.jpg?v=1757400052","url":"https:\/\/www.powerdcs.com\/products\/allen-bradley-1756-if8i-controllogix-high-precision-analog-input-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}