{"product_id":"honeywell-51304441-275-digital-input-field-termination-assembly","title":"Honeywell 51304441-275 Digital Input Field Termination Assembly","description":"\u003cdiv class=\"qk-md-paragraph qk-md-has-multi-modal\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51304441-275\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51304441-275\u003c\/strong\u003e Digital Input FTA, operates as a dedicated hardware component for field signal termination and isolation within Experion PKS and High-Performance Process Manager (HPM) architectures. It routes 24 VDC discrete field contact signals directly to I\/O processor modules, providing physical terminal connections, current-limiting protection, and status conditioning for field-side switches and sensors.\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\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\u003e300 mm x 120 mm x 80 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\u003e24 VDC field powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eField Termination Assembly (FTA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003e24 VDC Digital Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eCompression screw \/ barrier terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHigh-Performance Process Manager (HPM) \/ Experion PKS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol Integration and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe 51304441-275 provides the physical field-to-system boundary required to shield sensitive control electronics from field-induced electrical noise. Integrated galvanic channel-to-channel isolation and optocoupler barriers prevent field ground loops, surge spikes, and high-voltage transients from propagating to the backplane. Even when mounted in mixed-signal cabinets alongside analog Field Termination Assemblies processing 4-20 mA HART loop protocol transmitters or temperature inputs with cold junction compensation (CJC), the assembly maintains high signal immunity and cross-talk suppression across all termination points.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can field wiring be connected or serviced on the 51304441-275 while 24 VDC power is present?\u003c\/p\u003e\n\u003cp\u003eA: Field terminal servicing is permitted provided individual channel fuse holders are opened or field loops are isolated to prevent short circuits during conductor adjustment.\u003c\/p\u003e\n\u003cp\u003eQ: How is the 51304441-275 connected to the primary I\/O processor card?\u003c\/p\u003e\n\u003cp\u003eA: Connection is established via dedicated pre-fabricated multi-conductor cables that plug directly into the high-density ribbon\/D-shell connectors on the FTA circuit board.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 51304441-275 assembly onto the standard cabinet DIN-rail or mounting channel inside the marshalling enclosure.\u003c\/li\u003e\n\u003cli\u003eFasten the chassis grounding screw securely to the cabinet functional earth (FE) bus bar using a low-impedance copper strap.\u003c\/li\u003e\n\u003cli\u003eConnect the pre-fabricated system interface cable from the I\/O module rack to the main connector header on the FTA board.\u003c\/li\u003e\n\u003cli\u003eWire field contact leads to the designated 24 VDC screw terminals, ensuring correct signal polarity and stripping wire ends to 7 mm.\u003c\/li\u003e\n\u003cli\u003eSecure all field cable shield drain wires directly to the grounding rail adjacent to the termination assembly to ensure effective electromagnetic shielding.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52702969725208,"sku":"51304441-275","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/51304441-275_Cocoai.jpg?v=1789718953","url":"https:\/\/www.innoplcsync.com\/products\/honeywell-51304441-275-digital-input-field-termination-assembly","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}