{"product_id":"honeywel-51202971-111-communication-cable-assemblies","title":"Honeywel  51202971-111 Communication Cable Assemblies","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51202971-111\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51202971-111\u003c\/strong\u003e I\/O Link Cable, operates as a dedicated hardware component for serial data distribution and bus segment execution within industrial automation platforms. This 3-drop gray header cable assembly provides direct physical and electrical execution of localized network links, connecting Experion PKS C300 controllers to Series 8 input\/output modules. It maintains synchronized, multi-point signal propagation across pre-spaced tap drops, serving as the high-integrity physical layer required to transport real-time process data over a 1.5-meter segment without signal attenuation.\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\u003e51202971-111\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e1.5 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Product Type\u003c\/td\u003e\n\u003ctd\u003eGray header I\/O Link drop cable assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTap Configuration\u003c\/td\u003e\n\u003ctd\u003e3-drop multi-point interface topology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrop Spacing\u003c\/td\u003e\n\u003ctd\u003e6 inches (152 mm) pitch between adjacent connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectromagnetic Shielding\u003c\/td\u003e\n\u003ctd\u003eIntegrated EMI\/RFI-resistant shielding matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget System Integration\u003c\/td\u003e\n\u003ctd\u003eHoneywell Experion PKS and Series 8 I\/O Platforms\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 Parameters\u003c\/h3\u003e\n\u003cp\u003eThe 51202971-111 incorporates specialized electrical barriers to isolate field-side monitoring zones from the internal processing core of the distributed control system (DCS). By enforcing strict channel-to-channel isolation limits across its interface matrix, the assembly blocks transient voltage surges and high-frequency inductive feedback loops generated by electric motor windings from migrating into adjacent data buses. This topology limits common-mode noise propagation, ensuring that localized thermal monitoring loops remain stable and that the physical signaling outputs deliver steady state logic parameters to the upstream network interface without data corruption.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 3-drop mechanical layout constrain I\/O density scaling inside the Series 8 mounting subrack?\u003c\/p\u003e\n\u003cp\u003eA: The 3-drop configuration features a fixed 6-inch pitch between adjacent connectors, which matches the standardized chassis width of three consecutive Series 8 I\/O modules. This forces a compact vertical or horizontal cluster configuration on the carrier rail, enabling precise I\/O density scaling without inducing physical twisting or structural stress on the internal connector contacts.\u003c\/p\u003e\n\u003cp\u003eQ: What are the consequences of an isolation breakdown or severe shield degradation on the 1.5-meter cable segment?\u003c\/p\u003e\n\u003cp\u003eA: An insulation breakdown allows external common-mode voltage transients or inductive factory noise to cross directly into the low-voltage processing plane. This cross-coupling induces register bit flips, drops local communication lines, corrupts data packet headers, and forces the host controller node into an uncommanded initialization sequence or hardware lockout state.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45052834676851,"sku":"51202971-111","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-28_09-06-40_16468b24-b542-4b4b-80f8-e6befbe2f190.png?v=1779933321","url":"https:\/\/www.dcssupplier.com\/products\/honeywel-51202971-111-communication-cable-assemblies","provider":"DcsSupplier Limited","version":"1.0","type":"link"}