{"product_id":"sb401-50-s1-yokogawa-centum-cs-3000-esb-bus-interface-module","title":"SB401-50 S1 | Yokogawa | CENTUM CS 3000 ESB Bus Interface Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SB401-50 S1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-speed ESB Bus Interface Module within the CENTUM CS 3000 Distributed Control System (DCS) architecture. This module facilitates the communication link between the Field Control Unit (FCU) and remote I\/O nodes via the Extended Serial Backplane (ESB). By managing deterministic data packets, the SB401-50 S1 ensures that real-time process data from field instrumentation reaches the central processor with minimal latency.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe SB401 series utilizes specific codes to define its functional style and protection rating:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\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\u003eSB401\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eESB Bus Interface Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-5\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard type with no explosion protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic functional type for standard I\/O nodes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eS1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStyle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStyle S1 hardware revision for optimized signal integrity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe SB401-50 S1 adheres to the following high-performance standards for industrial data transport:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYokogawa\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eESB Bus Interface (Slave)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCENTUM CS 3000, CS 1000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Speed:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e128 Mbps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBus Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual-connector support for redundant path communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard Basic Type\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Throughput:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SB401-50 S1 utilizes a fixed 128 Mbps bandwidth to eliminate the data collisions common in standard Ethernet architectures. This ensures that the control system executes safety interlocks and process loops within fixed, predictable scan times.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Path Switching:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module supports dual ESB bus cabling. In the event of a cable break or master-side failure, the SB401-50 S1 switches to the secondary communication path instantaneously, preventing system trips and maintaining process visibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Conditioning via Style S1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe S1 hardware revision incorporates updated electronic components that enhance signal filtering. This design minimizes the impact of electromagnetic interference (EMI) within the marshalling cabinet, protecting the integrity of process data in noisy industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Hardware Layout:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"Basic Type\" architecture provides a plug-and-play interface for standard I\/O nodes. This simplifies the expansion of the DCS, allowing engineers to add remote racks without requiring complex gateway configurations or software re-mapping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this Yokogawa SB401-50 S1 unit provided as new or used?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe supply this module exclusively as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eequipment. Every unit arrives in its original factory-sealed Yokogawa packaging, ensuring zero previous runtime and maximum reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the SB401-50 in hazardous areas?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The \"-5\" suffix indicates the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStandard Type with no explosion protection\u003c\/strong\u003e. You must install this module in a non-hazardous area or within a suitably rated, purged enclosure according to your plant's safety guidelines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SB401-50 S1 support both CENTUM CS 3000 and CENTUM VP?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB401-50 S1 primarily serves the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM CS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand CS 1000 systems. While some backward compatibility exists, we generally recommend the SSB401 series for modern CENTUM VP architectures. Please verify your specific controller firmware before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the communication status of this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module front panel features diagnostic LEDs. A steady green \"ACT\" light indicates the module is actively communicating on the ESB bus. If the \"ERR\" light activates, consult the system's HIS (Human Interface Station) for detailed error codes regarding bus synchronization or hardware failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52542500340021,"sku":"SB401-50","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SB401-50.jpg?v=1775553386","url":"https:\/\/www.5gplc.com\/products\/sb401-50-s1-yokogawa-centum-cs-3000-esb-bus-interface-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}