{"product_id":"honeywell-51304441-275-fta-digital-input-board","title":"Honeywell 51304441-275 FTA Digital Input Board","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51304441-275\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51304441-275\u003c\/strong\u003e FTA Digital Input Board, operates as a dedicated hardware component for 24 VDC digital input signal termination within distributed control systems.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe unit designation separates the manufacturer part number \u003cstrong\u003e51304441-275\u003c\/strong\u003e from the specific field termination assembly function, denoting a 24 VDC digital input configuration engineered for industrial PLC and machine control rack environments.\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\u003e51304441-275\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 \/ Global Manufacturing Facilities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.44 kg (12.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Honeywell FTA Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Termination Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003ePLCs\/Machine Control, PLC Module\/Rack\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 and HART Loop Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe termination assembly manages incoming 24 VDC digital states while maintaining robust channel-to-channel isolation across signal terminals to suppress common-mode transient voltages and prevent ground loops. Signal routing architecture ensures reliable switching state acquisition and integrates cleanly with standard control loop network architectures and industrial grounding protocols.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the maintenance considerations when replacing the 51304441-275 termination assembly in an active panel? A: Field wiring and loop power must be fully isolated and de-energized prior to disconnecting terminal blocks or replacing the assembly to prevent short circuits and signal disruption.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit interface with higher-level control systems? A: The field termination assembly connects directly to corresponding digital input processor cards within the Honeywell control rack architecture.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions are necessary for field wiring termination? A: Signal conductors must use appropriately rated insulation and be secured firmly into the terminal blocks to maintain stable electrical contact under vibration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the field termination assembly securely onto a designated panel backplane or mounting rail inside a NEMA-rated industrial enclosure. Route all 24 VDC digital input wiring separately from high-voltage AC power lines and variable frequency drive cables to minimize electromagnetic interference (EMI).\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48403245400254,"sku":"51304441-275","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-08-04_09-19-48_4049068f-8de6-4b6f-aad7-cc730b1d50b8.png?v=1785807208","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51304441-275-fta-digital-input-board","provider":"AutoOilTech Limited","version":"1.0","type":"link"}