{"product_id":"ant401-50-centum-vp-optical-esb-bus-repeater-master-module-yokogawa","title":"ANT401-50 CENTUM VP Optical ESB Bus Repeater Master Module | Yokogawa","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa ANT401-50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-speed Optical ESB Bus Repeater Master Module for CENTUM VP Distributed Control Systems. This module facilitates long-distance communication between the Field Control Station (FCS) and remote I\/O nodes by converting electrical ESB bus signals into optical signals. By utilizing fiber optic media, the ANT401-50 extends the system reach while providing total electrical isolation between cabinet locations. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein factory packaging to ensure mission-critical network performance and zero-latency data synchronization.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe ANT401-50 follows Yokogawa's structured suffix logic for optical communication hardware:\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\u003eFunctional Definition\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\u003eANT401\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptical ESB Bus Repeater Master 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 Type for Optical Fiber Cable\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\u003eAlways 0 (Basic Type)\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 ANT401-50 provides the physical layer for high-bandwidth DCS backplane extension via fiber optics.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eESB Bus (Enhanced Service Bus).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFiber Optic (Master side).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Distance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports distances up to 5 km or 50 km depending on the associated slave module and cable type.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Ports:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 ports (Chain or Star topology support).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports dual-redundant configuration within the FCS.\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 5V DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGuaranteed 100% Brand New Original.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe ANT401-50 provides technical solutions for large-scale plant layouts and high-interference environments:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Galvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy converting electrical signals to light, the ANT401-50 eliminates ground loops and prevents lightning-induced surges from traveling between different buildings or control rooms. This protects expensive DCS processors from field-side electrical faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Deterministic Extension:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard Ethernet gateways, the ANT401-50 maintains the raw speed of the ESB bus. This ensures that remote I\/O modules respond with the same millisecond-level precision as local I\/O, maintaining the integrity of fast control loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eImmunity to Electromagnetic Interference (EMI):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn facilities with heavy motors and high-voltage switchgear, copper bus cables often pick up noise. The optical link of the ANT401-50 remains completely immune to EMI and RFI, ensuring error-free data transmission in the most demanding environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Long-Distance Topology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports both chain and star topologies. This allows engineers to design flexible network layouts that follow the physical piping and cabling trays of the plant, reducing the total volume of fiber optic cable required.\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\u003eDoes the ANT401-50 require a slave module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The ANT401-50 (Master) must communicate with an ANT502 (Slave) module located in the remote I\/O node. These modules work in pairs to bridge the optical link.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of fiber optic cable should I use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ANT401-50 typically utilizes quartz glass multimode or single-mode fiber depending on your specific distance requirements. Always verify the optical power budget against your cable length and patch panel losses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace an older ANT401 with this version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ANT401-50 is the standard current-generation master module for CENTUM VP. While it maintains backward compatibility with most ESB bus architectures, always verify your system's software revision for specific driver support.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a brand new original Yokogawa part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We only provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware. This module ships in the original Yokogawa box with the factory seal intact and includes full traceability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52824192844085,"sku":"ANT401-50","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ANT401-50.png?v=1778039492","url":"https:\/\/www.5gplc.com\/products\/ant401-50-centum-vp-optical-esb-bus-repeater-master-module-yokogawa","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}