{"product_id":"yokogawa-abc11d-v2121-dual-redundant-bus-converter","title":"Yokogawa ABC11D-V2121 Dual-Redundant Bus Converter","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ABC11D-V2121\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eABC11D-V2121\u003c\/strong\u003e Dual-Redundant Bus Converter, operates as a dedicated hardware component for bus signal conversion and fault-tolerant communication within CENTUM VP integrated production control architectures.\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\u003eABC11D-V2121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSystem dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard industrial rack-mount enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial control environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.5 A (24 V DC) \/ 320 VA (AC variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e30 V DC, 0.3 A (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Instrumentation Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART loop protocol:\u003c\/strong\u003e While primarily a bus converter, the hardware is designed to maintain the integrity of HART-compatible process loops by providing a stable, interference-free environment for digital signal transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFOUNDATION Fieldbus \/ Profibus PA connectivity:\u003c\/strong\u003e The unit serves as a high-reliability gateway for fieldbus signals, ensuring that communication data is accurately mirrored across redundant bus segments without latency drift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-channel isolation:\u003c\/strong\u003e The converter employs internal galvanic isolation to prevent the propagation of potential electrical faults between bus segments, safeguarding the DCS backplane from external disturbances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold junction compensation (CJC):\u003c\/strong\u003e The unit manages signal conversion with high thermal stability, ensuring that converted bus data remains precise even when the module is subjected to temperature variations within the control cabinet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the behavior of the processor status contact output?\u003c\/p\u003e\n\u003cp\u003eA: The contact output is normally closed during standard operation and transitions to an open state upon detection of a CPU abnormality or internal hardware fault, triggering external alarm monitoring systems.\u003c\/p\u003e\n\u003cp\u003eQ: Is the dual-redundant configuration hot-swappable?\u003c\/p\u003e\n\u003cp\u003eA: The redundant architecture allows for the maintenance of a single bus converter unit while the system remains operational via the redundant path; however, verify the specific DCS application status before performing any physical module replacement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Secure the ABC11D-V2121 enclosure into a standard industrial rack. Ensure proper mechanical fastening to the rack chassis to accommodate the unit’s 22 kg mass and mitigate potential vibration-related connector issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the chassis ground point to the cabinet's instrument earth bus using a low-impedance conductor. This bond is mandatory to ensure EMC compliance and to provide a stable return path for transient protection circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Connect the redundant power feeds and bus communication cables to the rear terminals. Maintain a minimum separation of 150 mm between bus communication lines and high-voltage power conduits to ensure signal integrity and avoid electromagnetic crosstalk.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45213791912051,"sku":"ABC11D-V2121","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-14_09-48-24_bc314cd9-54ae-4e7e-a8c9-c0f9bf7091f8.png?v=1783676990","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-abc11d-v2121-dual-redundant-bus-converter","provider":"DcsSupplier Limited","version":"1.0","type":"link"}