{"product_id":"allen-bradley-1492-ifm40f-f24ad-4-fusible-digital-interface-module","title":"Allen-Bradley 1492-IFM40F-F24AD-4 Fusible Digital Interface Module","description":"\u003ch1\u003eAllen-Bradley 1492-IFM40F-F24AD-4 Fusible Digital Interface Module\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1492-IFM40F-F24AD-4\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-IFM40F\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFusible Digital Interface Module, operates as a dedicated hardware component for fused digital signal distribution and field circuit protection within ControlLogix I\/O wiring systems. The module provides 40 interface points, 16 individually fused circuits, low-leakage blown fuse indication, and four isolated field groups.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe supplied documentation identifies a fixed catalog configuration:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1492-IFM40F-F24AD-4\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDocumented characteristics include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e40-point fusible interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e16 individually fused points\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e24 V AC\/DC blown fuse indication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4 isolated groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4 input terminals per group\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e40-pin cable interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo official suffix decomposition is provided in the source data.\u003c\/p\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\u003e1492-IFM40F-F24AD-4\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.35 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eHeight: 83.06 mm, Width: 180.09 mm, Depth: 70.61 mm\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\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Circuits\u003c\/td\u003e\n\u003ctd\u003e40-point fusible interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFused Points\u003c\/td\u003e\n\u003ctd\u003e16 individually fused points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrouping\u003c\/td\u003e\n\u003ctd\u003e4 isolated groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e24 V AC\/DC (10-30 V operating range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e2 A per circuit, 8-12 A per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003e5 x 20 mm fuse clips (fuses not supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator Type\u003c\/td\u003e\n\u003ctd\u003eLow-leakage blown fuse LED indicators (0.05 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e40-contact female cable connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e12-22 AWG (0.2-4 mm2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95 % RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, C-UL-US, FM, IECEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eI\/O Density Scaling Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1492-IFM40F-F24AD-4 increases field termination density by consolidating 40 digital interface points into a single DIN-rail-mounted assembly. Four isolated groups permit segmentation of field circuits while maintaining a common interface structure to PLC I\/O modules. The architecture supports migration from PLC-5 and Modicon 800 wiring schemes to ControlLogix platforms using prewired connection systems. Individually fused channels provide localized circuit protection without increasing terminal count.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module provide fuse protection on all 40 interface points?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. The module contains 16 individually fused points. The remaining interface connections operate according to the documented wiring configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are the fuse elements supplied with the module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. The module utilizes 5 x 20 mm fuse clips, but fuse elements must be installed separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module be removed or rewired while energized?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe documentation does not specify hot-swap capability. Standard industrial practice is to de-energize associated circuits before replacing wiring, connectors, or fuse elements.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMount the module on a properly secured DIN rail within the control enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify that field wiring remains within the specified 12-22 AWG conductor range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeparate low-voltage signal conductors from higher-energy power wiring to reduce electrical interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm fuse ratings match the protected field circuit requirements before energization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain clear identification of the four isolated groups during termination and commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect all 40-pin cable connections for proper seating before applying power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplace blown fuses only with correctly rated 5 x 20 mm fuse types approved for the application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43438764458074,"sku":"1492-IFM40F-F24AD-4","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1492-IFM40F-F24AD-42.jpg?v=1780298622","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1492-ifm40f-f24ad-4-fusible-digital-interface-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}