{"product_id":"honeywell-dc-tfb402-fim4-nr-iota","title":"Honeywell DC-TFB402 FIM4 NR IOTA","description":"\u003cp\u003eConfigured for field instrumentation interfacing in process control networks, the \u003cstrong\u003eHoneywell DC-TFB402\u003c\/strong\u003e (\u003cstrong\u003e51307616-176\u003c\/strong\u003e) I\/O Termination Assembly (IOTA) provides direct physical\/electrical execution of signal termination for FIM4 (Field Interface Module) architectures. The assembly features conformal coating for environmental protection and supports common-mode voltage (CMV) tolerances of up to ±250 V DC\/AC RMS with respect to the power system common.\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\u003eDC-TFB402\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\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\u003e0.22 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e22 cm x 12 cm x 5.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eConsult system technical manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDependent on host I\/O load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe DC-TFB402 assembly incorporates channel-to-channel isolation design principles to prevent signal crosstalk and ground loop interference within the FIM4 subsystem. By maintaining high isolation levels between individual I\/O channels, the IOTA ensures that transient disturbances or electrical faults at a single field device do not propagate through the termination assembly to the controller backplane. This isolation is mandatory for maintaining the signal-to-noise ratio required for high-accuracy process measurements in demanding industrial configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the conformal coating on this IOTA sufficient for high-humidity environments?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The coated assembly is designed to provide protection against environmental contaminants, including high humidity and corrosive airborne particulates, provided the installation is within the designated cabinet environment specifications.\u003c\/p\u003e\n\u003cp\u003eQ: Can this termination assembly be used in systems without an FIM4 module?\u003c\/p\u003e\n\u003cp\u003eA: No. The DC-TFB402 is specifically engineered as an IOTA for FIM4 architectures. Its pinout and electrical characteristics are optimized for compatibility with the FIM4 module interface and backplane.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Mounting\u003c\/strong\u003e: Secure the assembly to the designated cabinet DIN-rail or mounting plate. Ensure the module is properly grounded to the cabinet common to maintain the efficacy of the electrical isolation and CMV protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination Torque\u003c\/strong\u003e: Use a calibrated torque driver to secure field wires to the terminal blocks. Excessive torque can damage the terminal inserts, while insufficient torque may result in increased contact resistance and signal instability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Shielding\u003c\/strong\u003e: Ensure cable shields are terminated at the designated ground lug on the assembly. Failure to properly terminate shields can compromise the assembly's immunity to electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment Check\u003c\/strong\u003e: Verify that the operating environment remains within the system-specified temperature and humidity limits to prevent degradation of the conformal coating and terminal oxidation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52972272058677,"sku":"DC-TFB402 51307616-176","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/DC-TFB40251307616-176.png?v=1780903221","url":"https:\/\/www.5gplc.com\/products\/honeywell-dc-tfb402-fim4-nr-iota","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}