{"product_id":"optical-bus-repeater-module-yokogawa-ant401-5e-cu1t","title":"Optical Bus Repeater Module Yokogawa ANT401-5E\/CU1T","description":"\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eANT401-5E\/CU1T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance optical ESB master interface designed to bridge electrical ESB bus segments with long-haul single-mode fiber optic cabling. By converting standard electrical ESB signals into optical data streams, the module eliminates the distance constraints associated with copper wiring and enables reliable communication between a Safety Control Station (SCS) or Field Control Station (FCS) and geographically remote I\/O units.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\/CU1T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant includes a dedicated connector unit with an integrated 100 Ω bus terminator. This ensures proper impedance matching at the end of an ESB segment, preventing signal reflection and maintaining communication integrity. The integrated termination design makes it a practical plug-and-play solution for extended ESB architectures.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCore Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus Repeater \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Port\u003c\/td\u003e\n\u003ctd\u003eLC-type fiber connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Interface\u003c\/td\u003e\n\u003ctd\u003eESB Bus connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eDual-redundant configuration supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Termination\u003c\/td\u003e\n\u003ctd\u003eIntegrated 100 Ω resistor (via CU1T unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Architecture\u003c\/td\u003e\n\u003ctd\u003eLow-power CMOS design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.25 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGeographically Distributed Control Systems\u003c\/strong\u003e\u003cbr\u003eInterconnecting remote terminal units (RTUs) across large refineries, petrochemical complexes, or power generation facilities where long-distance communication is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh EMI Environments\u003c\/strong\u003e\u003cbr\u003eUsing fiber optics to eliminate electromagnetic interference (EMI) issues common in high-voltage substations or turbine control areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant I\/O Expansion\u003c\/strong\u003e\u003cbr\u003eDeploying dual ANT401-5E units in redundant topology to maintain continuous ESB communication in the event of fiber link failure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ANT401-5E support multi-mode fiber?\u003c\/strong\u003e\u003cbr\u003eNo. The ANT401-5E is specifically designed for single-mode fiber (SMF) to achieve transmission distances up to 50 km. For shorter multi-mode applications, the ANT401-5B series is typically used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the \/CU1T suffix?\u003c\/strong\u003e\u003cbr\u003eThe CU1T designation indicates the module includes a connector unit with a built-in 100 Ω terminator. This is required at the end of an ESB bus chain to prevent signal reflections and ensure stable communication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be hot-swapped?\u003c\/strong\u003e\u003cbr\u003eIn a redundant configuration, the ANT401-5E\/CU1T can be replaced while the system remains online, provided the secondary module is operational and bus redundancy is properly configured.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51820754501944,"sku":"ANT401-5E\/CU1T","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/ANT401-5E.jpg?v=1771983859","url":"https:\/\/www.automodulexpert.com\/products\/optical-bus-repeater-module-yokogawa-ant401-5e-cu1t","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}