{"product_id":"1492-ifm40f-fs-2-allen-bradley-plc-interface-module-with-fused-protection","title":"Module d'interface PLC avec protection fusible Allen-Bradley 1492-IFM40F-FS-2","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Termination Efficiency\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-IFM40F-FS-2 (1492IFM40FFS2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWiring System Interface Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to streamline the connection between Allen-Bradley I\/O modules and field devices. Part of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492 Digital\/Analog Wiring System\u003c\/strong\u003e, this module features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e40-pin header connectivity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efused protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor each circuit. It acts as a ruggedized termination point that replaces traditional terminal blocks, significantly reducing cabinet wiring time and the potential for point-to-point wiring errors. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-IFM40F-FS-2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an essential component for high-point-count ControlLogix and PLC-5 systems, providing a clean, serviceable interface with built-in blown-fuse indicators for rapid troubleshooting in industrial environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Protective Logic\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is designed to mount on standard DIN rails and serves as a physical bridge, utilizing pre-wired cables to connect directly to the I\/O module's front connector.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures 40 terminals in a compact footprint, specifically matched for high-density 1756 and 1771 I\/O modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFused Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach signal path is protected by a secondary fuse, isolating field faults and protecting the expensive PLC I\/O card from overcurrent conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStatus Visualization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBlown Fuse Indicators (LEDs)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat illuminate when a circuit's fuse has failed, allowing maintenance teams to identify faulty field sensors or short circuits instantly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes removable fuses and clearly labeled terminal points, allowing for individual circuit isolation without disturbing the rest of the I\/O system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1492-IFM40F-FS-2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWiring System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1492 Digital PLC Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Points\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFused (with LED indicators)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 VAC \/ VDC Max (Indicator dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 A per channel \/ 12 A per module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40-pin Header\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail (35 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.2 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich cables are compatible with the 1492-IFM40F-FS-2?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module is typically used with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-CABLE[x]\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries pre-wired cables. The specific cable depends on the I\/O module you are connecting to (e.g., a 1756-IB32 requires a specific 1492-CABLE[x]H cable to match the 40-pin header).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the \"-2\" suffix in the part number?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe suffix \"-2\" typically refers to the voltage level of the blown-fuse indicator circuit. In the 1492 series, this is often designated for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100-120 VAC\/VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapplications, ensuring the LED illuminates correctly when a fuse blows at those voltage levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for analog signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile 40-pin headers are common in digital I\/O, this specific fused module is primarily intended for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edigital signals\u003c\/strong\u003e. For analog applications, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-AIFM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries is generally preferred to maintain signal shielding and prevent impedance mismatches.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFuse Selection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the replacement fuses match the original factory specifications (typically small glass or ceramic ferrule fuses). Using a fuse with a higher amperage rating than the I\/O module's maximum output current will negate the protective benefits of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-IFM40F-FS-2\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Strain Relief:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen connecting the 40-pin pre-wired cable, use the integrated locking tabs on the header. Ensure the cable is supported by wire ducting to prevent mechanical stress on the header pins, which can lead to intermittent signal loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLED Indicator Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVerify that your field power matches the indicator voltage. If you use a 24 VDC signal on a 120 V indicator module, the blown-fuse LED may not illuminate brightly enough to be seen, or at all.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-IFM40F-FS-2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\"Safety Buffer\"\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween the field and the PLC. In the event of a field-side short circuit, the fuse on the interface module blows first, preventing the surge from reaching the PLC backplane. This can save thousands of dollars in hardware replacement costs and hours of downtime. Furthermore, the use of pre-wired cables reduces the \"per-point\" wiring cost by up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e75%\u003c\/strong\u003e, making it an economically superior choice for large-scale automation deployments where time-to-market is critical.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695192535403,"sku":"Allen Bradley 1492-IFM40F-FS-2","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1492-ifm40f-fs-2-wiring-systems-modules-xkdyb1a3yyp_df0425a2-d8df-4aa4-9f17-048a8b9b9b99.jpg?v=1766114685","url":"https:\/\/www.plcprotech.com\/fr\/products\/1492-ifm40f-fs-2-allen-bradley-plc-interface-module-with-fused-protection","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}