{"product_id":"allen-bradley-1756-ifi6-a-controllogix-analog-input-module","title":"Allen-Bradley 1756-IFI6\/A ControlLogix Analog Input Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-IFI6\/A ControlLogix Analog Input Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-IFI6\/A\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IFI6\/A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eanalog input module, serves as the primary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix analog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilized to execute multi-channel voltage and current signal acquisition across ControlLogix backplane platforms. Configured for analog signal digitization in ControlLogix I\/O systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-IFI6\/A (1756-IFI6\/A analog input module)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides direct electrical sampling of field instrumentation signals through individually isolated input paths.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1756\u003c\/strong\u003e: ControlLogix chassis-based I\/O platform\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIFI6\u003c\/strong\u003e: 6-channel isolated analog input function block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\/A\u003c\/strong\u003e: Hardware revision identifier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo additional functional variants are defined in the provided dataset.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IFI6\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.7 W (backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e6 isolated analog channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types\u003c\/td\u003e\n\u003ctd\u003eVoltage: ±10.5 V, 0–10.5 V, 0–5.25 V; Current: 0–21 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e15 bits + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eVoltage: \u0026gt;10 MΩ; Current: 249 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003eConfigurable, sigma-delta conversion method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e~120 mA at 5.1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e36-pin RTB or 1492 IFM interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL, CE, CSA, hazardous location approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eControlLogix Backplane Signal Acquisition Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IFI6\/A operates on the ControlLogix backplane bus architecture, where deterministic I\/O scheduling governs scan alignment and data refresh sequencing. Channel-level isolation reduces inter-channel coupling effects during simultaneous sampling of mixed voltage and current inputs. The sigma-delta conversion path performs oversampling prior to backplane frame transmission, aligning digitized values with ControlLogix scheduled I\/O updates.\u003c\/p\u003e\n\u003cp\u003eBackplane communication timing is dependent on chassis configuration and controller task execution interval, where I\/O data is exchanged through deterministic EtherNet\/IP or backplane-integrated scheduling mechanisms without direct field-side protocol dependency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1756-IFI6\/A channels be configured independently for voltage and current modes?\u003cbr\u003eA: Yes. Each of the 6 channels supports independent configuration for voltage or current input ranges. Configuration is handled via ControlLogix module configuration tags.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module support hot-swap insertion in a live ControlLogix chassis?\u003cbr\u003eA: The module supports removal and insertion under chassis power conditions only when the ControlLogix system is configured for electronic keying and proper slot ownership handling. Backplane re-enumeration occurs during module re-detection.\u003c\/p\u003e\n\u003cp\u003eQ: What is the impact of channel isolation on signal sampling behavior?\u003cbr\u003eA: Channel-to-channel isolation prevents electrical coupling between input paths, ensuring independent sigma-delta conversion per channel without shared reference drift between adjacent inputs.\u003c\/p\u003e\n\u003chr\u003e\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInsert module into a compatible 1756 ControlLogix chassis slot with power removed or per system hot-swap procedure definition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure RTB or 1492 IFM interface is fully seated before energizing field loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain separation between analog signal wiring and high-energy switching conductors to reduce inductive coupling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded twisted pair cabling for voltage and current loop inputs; terminate shield at one end only per grounding scheme\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify channel configuration before loop energization to prevent over-range input conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure backplane connectors are free of debris prior to insertion to maintain signal integrity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43602379735130,"sku":"1756-IFI6\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-IFI6A2.jpg?v=1783318342","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-ifi6-a-controllogix-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}