{"product_id":"ssb401-13-yokogawa-prosafe-rs-esb-bus-interface-module","title":"SSB401-13  Yokogawa ProSafe-RS ESB Bus Interface Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SSB401-13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance ESB Bus Interface Module designed specifically for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Instrumented System (SIS). This module facilitates the connection between Safety Control Units and remote Safety Node Units. It integrates seamlessly with optical repeaters like the SNT411 to extend safety bus signals over vast distances, ensuring deterministic communication and high-integrity data transport for critical emergency shutdown (ESD) and fire and gas (F\u0026amp;G) applications.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eYokogawa utilizes specific suffixes to define the hardware configuration and termination requirements:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix Code\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\u003eSSB401\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBase Model: ESB Bus Interface Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-13\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSpecific Revision \/ Mounting Type (Check system compatibility)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOption: \/T\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncludes built-in ESB Bus Terminator\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOption: \/NT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-terminator variant for mid-chain configurations\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 SSB401-13 maintains strict electrical and optical parameters for safety-critical networking:\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\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProSafe-RS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnection Topology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports Star-type and Chain-type connections (simultaneous use permitted)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Connection Stages:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 Stages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Distance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExtends from 5 km up to 50 km (via two-stage optical repetition)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.5 A (at 5 V DC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Attenuation Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 dB to 4 dB (Inter-module standard)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 0.3 kg\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\u003eExtended Reach for Large-Scale Facilities:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen paired with optical bus repeaters, the SSB401-13 enables safety nodes to reside up to 50 km away from the central controller. This capability solves the challenge of protecting remote satellite instrument houses in massive petrochemical complexes or offshore networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHybrid Topology Flexibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module supports both star and chain topologies simultaneously. Engineers utilize this flexibility to optimize cable routing within the plant, reducing total fiber installation costs while maintaining redundant communication paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Signal Integrity Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module architecture accounts for optical power attenuation. To prevent receiver saturation and signal errors, technicians must install a 3 dB attenuator if the fiber link attenuation drops below 3 dB, ensuring the SSB401-13 receives a perfectly balanced signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Safety Node Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SSB401-13 plugs directly into the Safety Node Unit. Its high-speed backplane interface ensures that the safety processor treats remote I\/O data with the same priority and speed as local I\/O, maintaining the required Safety Integrity Level (SIL).\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 the Yokogawa SSB401-13 unit brand new?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. Every module ships in its original Yokogawa factory box with the manufacturer's quality control seals intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SSB401-13 include an internal terminator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"-13\" suffix specifies the hardware version; however, you must verify if your specific part number includes the \"\/T\" (Terminated) or \"\/NT\" (Non-Terminated) option. Use the terminated version only at the end of an ESB bus chain to prevent signal reflection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if my optical fiber link is too short?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your fiber link measures less than 3 dB of attenuation, you must install an external 3 dB attenuator. Failure to do so may result in excessive optical power reaching the module, potentially causing communication errors or hardware damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the SSB401-13 with standard CENTUM DCS modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the ESB bus shares some physical characteristics with DCS buses, the SSB401-13 is specifically designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety system. Always verify software and hardware compatibility in the ProSafe-RS engineering station before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52542217257269,"sku":"SSB401-13","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SSB401-13.png?v=1775550766","url":"https:\/\/www.5gplc.com\/products\/ssb401-13-yokogawa-prosafe-rs-esb-bus-interface-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}