{"product_id":"allen-bradley-1756-if8-controllogix-analog-input-module-current-voltage-8-points","title":"Allen-Bradley 1756-IF8 ControlLogix Analog Input Module Current\/Voltage 8-Points","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1756-IF8 is an analog input module from the ControlLogix family. It provides eight configurable input channels supporting ±10 VDC, 0–10 VDC, 0–5 VDC, and 0–20 mA signal ranges. With up to 16-bit resolution and flexible wiring modes, this module is widely used in industrial automation for connecting transmitters, transducers, and other analog devices.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eI\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e1756-IF8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eAnalog Input Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eVoltage \/ Current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eSupported Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e±10 V, 0–10 V, 0–5 V, 0–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e15–16 bit depending on range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eConversion Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eSigma-Delta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eData Format\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eInteger (2’s complement) \/ IEEE 32-bit float\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eWiring Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eSingle-ended, differential, high-speed differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eHigh-Speed Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e2 differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eTerminal Blocks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e1756-TBCH or 1756-TBSH (required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eBackplane Current (5V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e40 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eVoltage: 1.73 W \/ Current: 2.33 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eOvervoltage Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eUp to 30 VDC (voltage mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e0–60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eCE, CSA, KC, Marine, NRTL, RCM, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003eChassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.7211%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9641%;\"\u003e0.75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1756-IF8\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 1756-IF8 is part of Rockwell Automation’s ControlLogix family, engineered to interface multiple analog signals with advanced precision and configurability. It supports eight inputs that can be wired in single-ended, differential, or high-speed differential modes, letting users balance noise immunity, update rates, or channel count based on application needs. With Sigma-Delta conversion, the module digitizes ±10 VDC signals at 15-bit resolution and delivers 16-bit precision for 0–10 V, 0–5 V, and 0–20 mA inputs, enabling accurate data acquisition for process and machine control. Built with robust diagnostics including wire-off, over\/under-range, process alarms, and rate monitoring, it integrates seamlessly into ControlLogix architectures while maintaining stable operation across industrial temperature ranges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight Analog Input Channels: Provides flexible connection points for voltage or current signals within a ControlLogix rack.\u003c\/li\u003e\n\u003cli\u003eMultiple Input Ranges: Supports ±10 VDC, 0–10 VDC, 0–5 VDC, and 0–20 mA inputs for diverse field instrumentation.\u003c\/li\u003e\n\u003cli\u003eHigh-Precision Conversion: Offers 15–16 bit resolution for accurate monitoring of process variables.\u003c\/li\u003e\n\u003cli\u003eConfigurable Wiring Modes: Operates in single-ended, differential, and high-speed differential modes for optimized performance.\u003c\/li\u003e\n\u003cli\u003eSigma-Delta Architecture: Ensures stable, noise-resistant digital conversion across all channel types.\u003c\/li\u003e\n\u003cli\u003eAdvanced Diagnostics: Features wire-off detection, range alarms, and process alerts to enhance system reliability.\u003c\/li\u003e\n\u003cli\u003eFlexible Data Formats: Outputs both integer and IEEE floating-point data for ease of integration with PLC logic.\u003c\/li\u003e\n\u003cli\u003eTerminal Block Compatibility: Requires 1756-TBCH or 1756-TBSH blocks for safe and organized field wiring.\u003c\/li\u003e\n\u003cli\u003eHigh Noise Immunity: Differential channels offer improved signal stability in electrically harsh environments.\u003c\/li\u003e\n\u003cli\u003eWide Temperature Endurance: Maintains full performance from 0–60 °C for demanding industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1756-IF8 delivers the reliability and precision required for high-performance analog signal acquisition in ControlLogix automation systems.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46991452373290,"sku":"1756-IF8","price":357.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/0055_-_1756-IF8_1___72475.jpg?v=1718294716","url":"https:\/\/iqelectro.com\/products\/allen-bradley-1756-if8-controllogix-analog-input-module-current-voltage-8-points","provider":"IQElectro","version":"1.0","type":"link"}