{"product_id":"51202971-212-honeywell-combo-i-o-link-cable","title":"51202971-212 | Honeywell | Combo I\/O Link Cable","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51202971-212\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51202971\u003c\/strong\u003e Combo I\/O Link Cable, operates as a dedicated hardware component for high-speed signal routing and power distribution between Combo I\/O modules and Field Termination Assemblies (FTAs) within Honeywell High-Performance Process Manager (HPM) and TDC 3000 systems.\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\u003e51202971-212\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\u003eApprox. 0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard cabinet cable assembly length\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 interconnect assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003eCombo I\/O Link Cable Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell High-Performance Process Manager (HPM) \/ TDC 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty multi-pin I\/O link connectors\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 and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe assembly contains multi-conductor shielded twisted pairs engineered to maintain complete channel-to-channel isolation across individual Combo I\/O signal paths. High-density braided shielding suppresses cross-talk and high-frequency electromagnetic interference (EMI\/RFI), protecting both analog 4-20 mA HART loop protocol signals and digital I\/O lines running in close physical proximity. The insulating jacket isolates field signal commons from cabinet ground loops to preserve measurement precision.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary role does the 51202971-212 cable perform in an HPM rack?\u003c\/p\u003e\n\u003cp\u003eA: The cable provides physical and electrical interconnection between Combo I\/O cards in the controller file and associated field termination assemblies mounted in the cabinet.\u003c\/p\u003e\n\u003cp\u003eQ: How does the cable construction prevent signal degradation across channels?\u003c\/p\u003e\n\u003cp\u003eA: Individually twisted and shielded conductor pairs isolate high-speed digital switching logic from low-level 4-20 mA analog input\/output circuits.\u003c\/p\u003e\n\u003cp\u003eQ: Is power isolation required prior to disconnecting the cable assembly?\u003c\/p\u003e\n\u003cp\u003eA: To prevent transient voltage surges or false trip outputs on active control loops, power to the affected I\/O slot or termination board should be isolated before cable replacement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoute the cable through dedicated low-voltage wiring troughs within the control enclosure, keeping clear of high-voltage AC distribution lines.\u003c\/li\u003e\n\u003cli\u003eAlign multi-pin connectors squarely with backplane header jacks and tighten locking screws to ensure low-resistance pin contact and strain relief.\u003c\/li\u003e\n\u003cli\u003eConnect the cable shield drain wire to the cabinet protective earth (PE) bus at a single ground point to avoid circulating ground loop currents.\u003c\/li\u003e\n\u003cli\u003eAdhere to specified bend radius limits along the cable run to prevent conductor strain or shielding braid separation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53631825969461,"sku":"51202971-212","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51202329-412_1b0ec5b4-824b-4a25-a0f9-b20f6415213d.png?v=1790147271","url":"https:\/\/www.5gplc.com\/products\/51202971-212-honeywell-combo-i-o-link-cable","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}