{"product_id":"allen-bradley-1492-ifm40f-feed-through-digital-interface-module","title":"Allen Bradley 1492-IFM40F Feed-Through Digital Interface Module","description":"\u003cp\u003eConfigured for discrete signal termination in ControlLogix and PLC-5 I\/O systems, the \u003cstrong\u003eAllen Bradley 1492-IFM40F\u003c\/strong\u003e (\u003cstrong\u003e1492-IFM40F\u003c\/strong\u003e Feed-Through Interface Module) provides direct physical and electrical execution of 40-point digital field signal distribution.\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\u003e1492-IFM40F\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\u003eStandard module weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1492-IFM footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial rated range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage\u003c\/td\u003e\n\u003ctd\u003e132 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Points\u003c\/td\u003e\n\u003ctd\u003e40 Digital Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1492-IFM40F module serves as a passive interface link within automation architectures, facilitating the transition from field cabling to PLC I\/O cards. While the interface is passive, its application must be synchronized with the backplane bus communication velocity of the connected controller to maintain signal timing. The module supports I\/O density scaling by grouping 40 points, allowing for structured wiring configurations. Firmware flash compatibility is not applicable, as the module functions as a feed-through terminal block. Users must verify the electrical load limits of the connected I\/O circuits to ensure they do not exceed the 132 V AC\/DC maximum threshold.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does this module perform signal isolation?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1492-IFM40F is a feed-through interface module and does not provide galvanic or optical isolation between field inputs and the PLC I\/O card.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module compatible with all 40-point I\/O cards?\u003c\/p\u003e\n\u003cp\u003eA: Compatibility depends on the specific pinout of the I\/O card and the cabling used. Ensure the wiring interface cable matches the pin assignment of the 1492-IFM40F terminal block to prevent wiring errors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Secure the interface module onto a 35 mm DIN rail. Ensure the module is snapped firmly into position to maintain mechanical stability in high-vibration environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use wire ferrules for all field terminations to ensure a consistent, low-resistance connection. Torque all terminal screws to the manufacturer-specified value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Terminate cable shields at the designated ground lug on the cabinet backplane to mitigate EMI. Do not leave floating shields, as they can act as antennas for noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSegregation:\u003c\/strong\u003e Separate AC and DC wiring runs within the wire ducts to reduce the risk of cross-coupling noise into the digital input circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerification:\u003c\/strong\u003e Prior to energizing the system, verify continuity between field sensors and the PLC input registers using a multimeter to confirm correct point mapping.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53523372179640,"sku":"1492-IFM40F","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1492-IFM40F.jpg?v=1780026636","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1492-ifm40f-feed-through-digital-interface-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}