{"product_id":"yokogawa-rb401-s9451db-03-remote-i-o-bus-master-module","title":"Yokogawa RB401 S9451DB-03 | Remote I\/O Bus Master Module","description":"\u003ch3\u003e\n\u003cstrong\u003e​Overview\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRB401 S9451DB-03\u003c\/strong\u003e is a high-performance Remote I\/O (RIO) Bus Interface Master Module from Yokogawa, engineered to manage communication between central controllers and distributed I\/O nodes in advanced DCS setups such as CENTUM VP. Its robust design ensures accurate, high-speed data transfer across industrial networks.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\nFeature\n\u003c\/th\u003e\n\u003cth\u003e\nSpecification\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nModel\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eRB401 S9451DB-03\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nProduct Type\n\u003c\/td\u003e\n\u003ctd\u003e\nRIO Bus Interface Master Module\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nSupported Protocols\n\u003c\/td\u003e\n\u003ctd\u003e\nFOUNDATION Fieldbus (31.25 kbps), PROFIBUS (up to 12 Mbps), Modbus RTU\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nCommunication Interface\n\u003c\/td\u003e\n\u003ctd\u003e\nRS-485 or Optical Fiber (version dependent)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nSupply Voltage\n\u003c\/td\u003e\n\u003ctd\u003e\n24 V DC (range: 20–28 V DC)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nPower Consumption\n\u003c\/td\u003e\n\u003ctd\u003e\nMaximum 4.5 W\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOperating Temperature\n\u003c\/td\u003e\n\u003ctd\u003e\n-20°C to +60°C\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nDimensions\n\u003c\/td\u003e\n\u003ctd\u003e\n25 mm × 254 mm × 203 mm\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nWeight\n\u003c\/td\u003e\n\u003ctd\u003e\n0.3 kg\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nMounting\n\u003c\/td\u003e\n\u003ctd\u003e\nRack-mountable\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nFunctions as a master interface for remote I\/O communication in DCS networks.\n\u003c\/li\u003e\n\u003cli\u003e\nSupports multiple industrial protocols, enabling integration with diverse field devices.\n\u003c\/li\u003e\n\u003cli\u003e\nCompact design allows efficient cabinet installation without compromising performance.\n\u003c\/li\u003e\n\u003cli\u003e\nHigh environmental tolerance ensures stable operation under harsh industrial conditions.\n\u003c\/li\u003e\n\u003cli\u003e\nBuilt-in diagnostics facilitate proactive system monitoring and reduced downtime.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Industry:\u003c\/strong\u003e Precise monitoring and control of pumps, valves, and reactors.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Real-time communication for turbines, boilers, and auxiliary systems.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Gas:\u003c\/strong\u003e Reliable long-distance data transfer for refineries, pipelines, and field operations.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceuticals:\u003c\/strong\u003e Stable bus communication for batch and continuous production processes.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQ\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the RB401 S9451DB-03 interface with multiple fieldbus protocols simultaneously?\u003c\/strong\u003e\r\nA: It supports FOUNDATION Fieldbus, PROFIBUS, or Modbus depending on module configuration, but each module operates on a single protocol at a time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the module suitable for outdoor installations?\u003c\/strong\u003e\r\nA: The operating temperature range (-20°C to +60°C) supports indoor industrial environments; additional environmental protection is required for outdoor use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this model differ from RB401 S9451DB-01?\u003c\/strong\u003e\r\nA: The S9451DB-03 offers enhanced diagnostic capabilities and supports higher protocol flexibility compared to earlier revisions.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52762009436445,"sku":"RB401 S9451DB-03","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/RB401-S9451DB-03-2_1000.jpg?v=1787222061","url":"https:\/\/www.6gcontrols.com\/products\/yokogawa-rb401-s9451db-03-remote-i-o-bus-master-module","provider":"6G Controls","version":"1.0","type":"link"}