{"product_id":"communication-interface-module-yokogawa-sb401-11-s1","title":"Communication Interface Module | Yokogawa SB401-11 S1","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SB401-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a vital ESB Bus Interface Slave Module within the CENTUM VP and CENTUM CS 3000 Distributed Control System (DCS) architectures. This module facilitates high-speed, deterministic data synchronization between Field Control Stations (FCS) and remote expansion nodes. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e, specifically designed to maintain the backbone of mission-critical industrial networks.\u003c\/p\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe SB401-11 acts as a communication gateway for remote I\/O nodes, bridging the gap between field-level hardware and the central supervisory system. It executes real-time data exchange across the system bus and Vnet\/IP network, ensuring that process variables and control commands reach operator stations without delay. By offloading communication tasks to this dedicated hardware, the system maintains the sub-millisecond response times required for safety-critical control loops in power generation and petrochemical processing.\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-11:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesignates the specific version for 100 Mbps Fast Ethernet 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 circuit design 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\u003eSB401-11 (Style S1)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\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\u003eCertification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, RoHS Compliance\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\u003eOptimized Bus Determinism:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SB401-11 utilizes a dedicated PCI-based architecture to manage 100 Mbps Fast Ethernet traffic. This eliminates \"network jitter\" and ensures that time-sensitive process data remains synchronized with the master controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePassive Power Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module draws its required 3.3 VDC directly from the station backplane. This reduces internal heat generation within the control cabinet and simplifies wiring by removing the need for external power leads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Noise Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEngineered for the electrical noise of factory floors, the module maintains stable signal integrity even when installed near high-power switchgear or variable frequency drives (VFDs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Hot-Expansion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe compact modular design allows for integration into existing control stations without disrupting the physical layout of neighboring cards. This enables operators to scale their DCS capacity by adding remote I\/O nodes while maintaining the original bus timing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Durability RJ-45 Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe card features a reinforced RJ-45 port designed for high-vibration industrial environments. It provides a secure lock for CAT5e or CAT6 cabling, preventing accidental disconnects during operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the SB401-11 compatible with both CENTUM CS 3000 and CENTUM VP?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Yokogawa designed the SB401-11 as a versatile interface compatible with both legacy CS 3000 systems and modern CENTUM VP architectures, providing an easy maintenance path for existing plants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require manual IP address configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The SB401-11 operates as a slave module on the ESB bus. The system automatically identifies the module through the Yokogawa engineering station software once you seat the card in the correct rack slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use standard CAT5e cabling with the SB401-11?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module supports CAT5e or higher UTP cabling. However, for industrial environments with high electromagnetic interference, we recommend using shielded (STP) CAT5e\/CAT6 cables to protect the 100 Mbps data packets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum cable distance for a single SB401-11 link?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports a maximum distance of 100 meters to the nearest Layer 2 switch or master node. For distances exceeding 100 meters, you must utilize a repeater or fiber optic converter.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43194917945434,"sku":"SB401-11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/199._2b6b1885-dc39-4eb1-9200-7c7a3a12dbcf.jpg?v=1775719282","url":"https:\/\/www.spareoil.com\/products\/communication-interface-module-yokogawa-sb401-11-s1","provider":"SpareOil Automation","version":"1.0","type":"link"}