{"product_id":"1771-ifm-allen-bradley-plc-5-series-analog-input-module","title":"1771-IFM Allen-Bradley PLC-5 Series Analog Input Module","description":"\u003cp\u003eConfigured for differential millivolt signal acquisition in 1771 universal I\/O chassis racks, the \u003cstrong\u003eAllen-Bradley 1771-IFM\u003c\/strong\u003e (\u003cstrong\u003e1771IFM\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eComponent Variant Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771-IFM\u003c\/strong\u003e: Standard catalog assembly supporting 8 differential channels for low-level millivolt voltage input signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771IFM\u003c\/strong\u003e: Base part number variant matching identical 8-point differential hardware processing circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Data Specifications\u003c\/h3\u003e\n\u003cfigure\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-IFM\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\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e28.0 x 21.0 x 7.5 cm\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\u003e3.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 Differential Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003eMillivolt (mV) DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e600 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network \u0026amp; Bus Integration\u003c\/h3\u003e\n\u003cp\u003eThe assembly uses optimized backplane bus communication velocity routines to transfer converted analog signal data to the central processor. High channel density allows compact I\/O density scaling inside standard 1771 chassis slots. The internal architecture maintains strict firmware flash compatibility across PLC-5 system controllers to eliminate data buffer overflow during cyclic scan updates.\u003c\/p\u003e\n\u003ch3\u003ePackage Component Checklist\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 1771-IFM Analog Input Module Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Field Wiring Arm Alignment Keying Clip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Installation \u0026amp; Field Wiring Procedures\u003c\/h3\u003e\n\u003ch4\u003eChassis Slot Insertion\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSnap plastic keying bands into the chassis backplane edge connector at designated pin locations to enforce mechanical slot keying.\u003c\/li\u003e\n\u003cli\u003eAlign top and bottom module circuit board edges with chassis card guides, pushing firmly until the rear connector seats into the backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWiring and Shielding Standards\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTerminate all field signals using twisted, shielded pair wiring to mitigate electromagnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields to frame ground at a single end only to prevent ground loop currents across low-level signal paths.\u003c\/li\u003e\n\u003cli\u003eSeparate signal conduits from high-voltage AC distribution power cables by at least 30 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Operational FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat input signal levels are supported by the 1771-IFM?\u003c\/p\u003e\n\u003cp\u003eThe module is specifically designed to acquire low-level millivolt (mV) DC voltage signals across 8 differential points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow much current does the unit draw from the 1771 backplane bus?\u003c\/p\u003e\n\u003cp\u003eThe module logic circuits draw a maximum of 600 mA at 5 VDC directly from the 1771 chassis backplane supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping permitted during rack operation?\u003c\/p\u003e\n\u003cp\u003eNo. Disconnect backplane power before inserting or removing the module to prevent electrical stress to internal components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are the 8 differential input channels wired?\u003c\/p\u003e\n\u003cp\u003eEach channel utilizes independent positive and negative signal terminals on the wiring arm to maintain common-mode rejection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat operating temperature limits apply to this hardware?\u003c\/p\u003e\n\u003cp\u003eThe module is rated for continuous operation within ambient cabinet temperatures ranging from 0 to 60 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module require external excitation voltage for millivolt inputs?\u003c\/p\u003e\n\u003cp\u003eNo external power loop excitation is needed; the card directly reads low-level millivolt sources attached to its inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhich wire gauge range fits the terminal arm connections?\u003c\/p\u003e\n\u003cp\u003eThe removable field wiring arm accepts solid or stranded copper wire sizes ranging from 14 AWG to 22 AWG.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the module handle backplane data exchange?\u003c\/p\u003e\n\u003cp\u003eThe card communicates using block transfer read and write commands synchronized with the host PLC-5 controller scan cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066443452589,"sku":"1771-IFM","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1771-og_2_3c041491-cdea-4690-9384-e83dd30a479d.jpg?v=1786891695","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1771-ifm-allen-bradley-plc-5-series-analog-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}