{"product_id":"allen-bradley-1771-iff-analog-input","title":"Allen-Bradley 1771-IFF Analog Input","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-IFF\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1771-IFF\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for high-speed voltage and current signal conversion within Allen-Bradley PLC-5 chassis platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1771-IFF\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\u003e1.15 lbs (0.52 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 single-slot chassis module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 backplane bus current draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 differential or 16 single-ended inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types\u003c\/td\u003e\n\u003ctd\u003eCurrent or Voltage selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bit + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Density Analog Isolation and Backplane Determinism\u003c\/h3\u003e\n\u003cp\u003eThe 1771-IFF module scales analog input handling by offering configurable 8 differential or 16 single-ended input topologies within a single 1771 slot. Optimized for operation across EtherNet\/IP and remote I\/O deterministic network architectures, the internal analog-to-digital processing circuitry isolates field noise and voltage transients, maintaining backplane bus communication velocity and ensuring rapid data word updates to the controller table without scan cycle degradation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is the input channel capacity configured on the 1771-IFF module?\u003c\/p\u003e\n\u003cp\u003eA: The 1771-IFF can be configured for either 8 differential inputs to maximize noise rejection or 16 single-ended inputs to maximize channel density.\u003c\/p\u003e\n\u003cp\u003eQ: What resolution does the 1771-IFF module provide for analog conversion?\u003c\/p\u003e\n\u003cp\u003eA: The module converts incoming analog signals using a 12-bit plus sign resolution scheme.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the 1771 chassis backplane supply and external field wiring loops prior to inserting or removing the 1771-IFF module.\u003c\/li\u003e\n\u003cli\u003eAlign the circuit board with the top and bottom chassis slot guide rails, pressing firmly until the card edge connector seats fully into the backplane.\u003c\/li\u003e\n\u003cli\u003eSecure signal leads to the designated terminal wiring arm, grounding cable shields at a single chassis point to minimize ground loop interference.\u003c\/li\u003e\n\u003cli\u003eRoute analog signal lines in separate wire ducts away from high-voltage AC lines and inductive load switching devices.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48779958517950,"sku":"1771-IFF","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1771-OBD_43e2ea91-2b57-4bfa-9848-f93c65a12290.png?v=1787541626","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1771-iff-analog-input","provider":"AutoOilTech Limited","version":"1.0","type":"link"}