{"product_id":"abb-tk821f-freelance-dual-channel-communication-cable","title":"ABB TK821F Freelance Dual Channel Communication Cable","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe ABB TK821F (Product ID: 3BDM000150R1) functions as a specialized dual-channel serial communication cable designed for the Freelance and INFI 90 DCS ecosystems. This 0.5-meter prefabricated cable provides the vital link between the FI 820F module and the TB 870F Terminal Block. By supporting two independent channels within a single assembly, the TK821F streamlines redundant data paths and ensures stable signal acquisition for critical process control. We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your industrial network maintains peak EMI resistance and timing accuracy.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTK821F\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3BDM000150R1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB Group\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCable Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSerial (Dual Channel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterface Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFI 820F to TB 870F\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCross Reference\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIdentical with DFA 021\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–40°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBaud Rate Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 115200 bps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg (Standard Protective Packing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe TK821F addresses the complexities of localized serial networking in high-density control cabinets through its dual-path architecture and robust shielding.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Channel Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis cable integrates two serial channels into one prefabricated assembly. This design reduces the number of physical cables required for redundant communication, effectively halving the space needed in cramped cable trays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe TK821F features high-grade shielding that rejects electromagnetic interference (EMI) generated by nearby variable frequency drives (VFDs) and high-power switchgear. This ensures error-free data transmission at baud rates up to 115200 bps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Plug-and-Play Connectors:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegral factory-molded connectors eliminate the signal attenuation often caused by field-crimped terminals. The locking mechanisms provide a gas-tight, vibration-proof connection essential for turbine decks and offshore platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Latency Interconnect:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe short 0.5m length minimizes propagation delay and signal reflection. This makes the TK821F the ideal choice for high-speed serial links between localized controllers and terminal distribution blocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the TK821F compatible with systems using the DFA 021 cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The TK821F (3BDM000150R1) is electrically and mechanically identical to the DFA 021. You can use it as a direct drop-in replacement without any hardware modifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this cable support redundancy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"dual-channel\" designation allows the TK821F to carry two separate serial streams simultaneously. This supports redundant communication strategies where the FI 820F requires two data paths to the terminal block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I extend the length of this cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSerial communication is sensitive to impedance changes. While extensions are technically possible, we recommend using the standard 0.5m length to ensure the cable meets ABB’s original EMI and signal attenuation specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the typical lead time for DHL shipping?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe maintain this product in a \"Brand New\" state with an estimated lead time of 1 to 10 working days. We utilize expedited services like DHL or FedEx to minimize downtime for your facility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43199185551450,"sku":"TK821F 3BDM000150R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/432_026b79a0-bc55-4f68-a1c5-86aee915257a.jpg?v=1775809573","url":"https:\/\/www.spareoil.com\/products\/abb-tk821f-freelance-dual-channel-communication-cable","provider":"SpareOil Automation","version":"1.0","type":"link"}