{"product_id":"allen-bradley-1756-if8a","title":"1756-IF8A","description":"\u003ch2\u003eOverview of Allen-Bradley 1756-IF8A ControlLogix Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 1756-IF8A is an 8-channel analog input module for ControlLogix systems, supporting both voltage and current input signals for flexible high-density analog data acquisition. It allows per-channel configuration and offers fast, precise input measurement, making it suitable for process automation and industrial control environments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of 1756-IF8A\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e 8 single-ended (or 4 differential or 2 high-speed differential channels)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupported Ranges:\u003c\/strong\u003e Voltage input: ±10V, 0–10V, 0–5V DC. Current input: 0–20mA, 4–20mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 16 bits (15 bits plus sign for bipolar)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e 250 V continuous (reinforced insulation, input-to-backplane)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Conversion Method:\u003c\/strong\u003e Sigma-delta ADC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Error:\u003c\/strong\u003e Voltage: 0.1% of range; Current: 0.3% of range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e Voltage: \u0026gt;1 MΩ; Current: 249 Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNoise Rejection:\u003c\/strong\u003e Common-mode \u0026gt;100 dB, normal-mode \u0026gt;80 dB at 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScan Time:\u003c\/strong\u003e 8 pt single-ended (floating point): 16–488 ms; 4 pt differential: 8–244 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e Voltage: Better than 0.05% of range @ 25°C; Current: Better than 0.15% of range @ 25°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvervoltage Protection:\u003c\/strong\u003e 30V DC (voltage); 8V DC (current)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackplane Current Draw:\u003c\/strong\u003e 150 mA @ 5.1V, 40 mA @ 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 1.73 W max\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to 60°C (32 to 140°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiagnosis Features:\u003c\/strong\u003e Overrange, underrange, open-circuit, alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e8 single-ended \/ 4 differential \/ 2 high-speed differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Range\u003c\/td\u003e\n\u003ctd\u003e±10.5V, 0–10V, 0–5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e0–20mA, 4–20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;1 MΩ (voltage), 249 Ω (current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e150 mA @ 5.1V; 40 mA @ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.05% (voltage), \u0026lt;0.15% (current) @ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp.\u003c\/td\u003e\n\u003ctd\u003e0 to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard ControlLogix module size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Cases\u003c\/h2\u003e\n\u003cp\u003eThe 1756-IF8A module is ideal for high-density analog input tasks in process automation, manufacturing, and industrial facilities requiring accurate acquisition of voltage and current data from sensors and transmitters.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47809553137963,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_fdda2828-4f1e-4634-b5c6-7238a13c4ebc.png?v=1723546556","url":"https:\/\/leadtime.ca\/products\/allen-bradley-1756-if8a","provider":"LEADTIME","version":"1.0","type":"link"}