{"product_id":"honeywell-51402455-100-dual-node-controller-module","title":"Honeywell 51402455-100 Dual Node Controller Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 51402455-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Dual Node Card File (DNCF) engineered for Honeywell TDC 3000 Distributed Control Systems. It serves as a physical and electrical hosting platform for up to two independent controller nodes, enabling scalable control architectures and improved system resilience within LCN-based control environments.\u003c\/p\u003e\n\u003cp\u003eDesigned for continuous industrial operation, this module integrates a rigid aluminum card cage, internal backplane, and forced-air cooling to support stable controller performance over extended service life. Each installed node operates autonomously with its own dedicated power supply, allowing mixed node configurations without operational dependency.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Functionality and Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWithin a TDC 3000 control system, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51402455-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the central mounting and interconnection frame for controller nodes communicating over the Local Control Network (LCN). The dual-node architecture allows engineers to deploy redundant or parallel control strategies while minimizing cabinet space and wiring complexity.\u003c\/p\u003e\n\u003cp\u003eThe module supports heterogeneous node configurations, including one three-board controller node alongside one two-board controller node. Electrical isolation between nodes enhances fault containment and improves overall system availability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical Design and Thermal Management\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe chassis is constructed from industrial-grade aluminum to provide structural rigidity and effective thermal dissipation. An integrated cooling fan assembly maintains consistent airflow across installed boards, reducing thermal stress and supporting long-term reliability in control room and cabinet installations.\u003c\/p\u003e\n\u003cp\u003eThe card cage and backpanel are precision-aligned to ensure secure board seating and dependable signal integrity under vibration and continuous load conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical and Communication Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51402455-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einterfaces directly with the Honeywell LCN infrastructure, enabling deterministic control communication between controllers and supervisory systems. While the card file itself does not perform control logic, it is critical to power distribution, backplane signaling, and network connectivity for hosted nodes.\u003c\/p\u003e\n\u003cp\u003eCertain supplier listings attribute generic electrical values to this assembly; however, actual operating voltage, current draw, and communication interfaces are defined by the installed controller nodes and associated power modules rather than the card file alone. Engineers should always reference the specific node and DNPWR documentation when designing power budgets.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturer: Honeywell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51402455-100\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Classification: Dual Node Card File \/ Controller Chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible System: Honeywell TDC 3000 DCS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNode Capacity: Up to two independent controller nodes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupported Configurations: One 3-board node and one 2-board node\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower Architecture: Separate power supply per node (DNPWR modules)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNetwork Interface: Local Control Network (LCN) via installed nodes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnclosure Material: Aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCooling Method: Integrated forced-air fan assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation Environment: Control cabinets and industrial DCS rooms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51402455-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHoneywell TDC 3000 control cabinets requiring node density optimization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-availability process control systems using independent controller nodes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystem expansions where additional LCN nodes are added without redesigning the cabinet layout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong-life industrial installations where mechanical robustness and thermal stability are critical\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan both controller nodes operate independently?\u003c\/strong\u003e\u003cbr\u003eYes. Each node hosted in the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51402455-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a fully independent controller with its own power supply and LCN connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module include control electronics?\u003c\/strong\u003e\u003cbr\u003eNo. The card file provides mechanical mounting, backplane connections, cooling, and power distribution support. Control logic resides entirely within the installed controller nodes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs redundancy mandatory when using a dual node card file?\u003c\/strong\u003e\u003cbr\u003eNo. The dual-node design allows redundancy, parallel control, or mixed configurations depending on system requirements.\u003c\/p\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":42915726065754,"sku":"51402455-100","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/51402455-1002.jpg?v=1770863991","url":"https:\/\/www.plcmasters.com\/ar\/products\/honeywell-51402455-100-dual-node-controller-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}