{"product_id":"yokogawa-centum-cs-3000-sb401-50-bus-interface-original","title":"Yokogawa CENTUM CS 3000 SB401-50 Bus Interface Original","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SB401-50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-speed ESB Bus Interface Slave Module designed for the CENTUM VP and CENTUM CS 3000 Distributed Control System (DCS). This module establishes the critical communication link between remote expansion units and the Field Control Station (FCS). We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein factory packing, ensuring the highest level of network stability for mission-critical industrial applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe SB401-50 manages deterministic data exchange across the system bus and Vnet\/IP network. It acts as a dedicated slave node, synchronizing real-time process variables, alarms, and control commands between the field-level hardware and the supervisory system. By utilizing a PCI-based architecture, the module handles high-speed 100 Mbps Fast Ethernet communication, providing the low-latency response required for complex process control in power plants, refineries, and chemical facilities.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eYokogawa SB401 series components utilize specific suffix codes for system matching:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSB401:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBase model for the ESB Bus Interface Slave Module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-50:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesignates the specific version for 100 Mbps Fast Ethernet S1 bus integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eS1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndicates the physical hardware revision and internal board style.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa Electric Corporation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\u003eSB401-50\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCENTUM VP \/ CENTUM CS 3000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eESB Bus Slave Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 Mbps Fast Ethernet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePCI-based Station Integration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRJ-45 Ethernet Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.3 VDC via Station Backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 – 2.5 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to +60°C (32°F to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew \u0026amp; Original in Factory 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\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Network Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SB401-50 provides a dedicated 100 Mbps path, ensuring that critical process data reaches the controller without the jitter or latency found in non-industrial network interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePassive Power Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module draws all required operational power (3.3 VDC) directly from the station backplane. This reduces thermal load within the cabinet and eliminates the need for separate external power wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial-Grade Noise Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEngineered for harsh environments, the card features robust electromagnetic interference (EMI) shielding. It maintains uncorrupted signal transmission even when located near heavy-duty switchgear or high-frequency drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpace-Efficient Modular Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe compact form factor allows for high-density mounting in standard Yokogawa racks. This enables system expansion in confined control rooms without requiring additional cabinet footprint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe card features a reinforced RJ-45 port designed for high-vibration environments. It ensures a secure mechanical lock for CAT5e or CAT6 cabling, preventing accidental signal loss during plant operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the role of the SB401-50 in a \"Slave\" configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB401-50 resides in the remote I\/O node or expansion rack. It receives and transmits data back to the \"Master\" interface module located in the Field Control Station (FCS), allowing the main controller to manage distributed field assets seamlessly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install the SB401-50 while the system is running?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHardware installation procedures vary by rack type. While many Yokogawa components support high availability, we recommend following the specific safety protocols in your CENTUM hardware manual regarding hot-swapping to ensure the integrity of the active control bus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a specific type of cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module supports 100 Mbps Fast Ethernet. We recommend using shielded CAT5e or CAT6 industrial Ethernet cables for maximum reliability and to protect data packets from external electrical noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the SB401-50 compatible with older CS 3000 systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Yokogawa maintains backward compatibility for the SB401-50, allowing it to function in legacy CS 3000 racks as well as modern CENTUM VP systems, providing a versatile replacement part for plant maintenance.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43194925678682,"sku":"SB401-50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/94._1d6ea126-1712-4df5-941b-9622a6ca0380.jpg?v=1775719983","url":"https:\/\/www.spareoil.com\/products\/yokogawa-centum-cs-3000-sb401-50-bus-interface-original","provider":"SpareOil Automation","version":"1.0","type":"link"}