{"product_id":"yokogawa-snt401-53-s1-optical-esb-bus-repeater-module","title":"Yokogawa SNT401-53 S1 Optical ESB Bus Repeater Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SNT401-53\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-performance Optical ESB Bus Repeater Module within the CENTUM VP and CS 3000 distributed control system (DCS) architectures. This module converts electrical ESB bus signals into optical signals, allowing for significant distance extension between the Field Control Station (FCS) and remote I\/O nodes. By utilizing fiber optic media, it bridges geographically dispersed units while maintaining high-speed data synchronization. We supply this component as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original, ensuring factory-certified signal integrity for mission-critical automation networks.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eYokogawa utilizes specific alphanumeric suffixes to define hardware performance and communication standards:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCode Segment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical 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\u003eSNT401\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBase Model: Optical ESB Bus Repeater 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 communication speed and protocol revision\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHardware style code for enhanced fiber optic transceiver compatibility\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\u003eRevision level for optimized power consumption and heat dissipation\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 SNT401-53 features a slim, high-efficiency design optimized for cabinet-level integration.\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 Electric Corporation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eJapan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMedia Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFiber Optic (for long-distance ESB bus extension)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.2 cm x 12.4 cm x 12.6 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.3 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCENTUM VP, CENTUM CS 3000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5 VDC (Supplied via the module nest)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New and Original\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe SNT401-53 addresses several critical industrial networking challenges:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Electromagnetic Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy transitioning from copper to fiber optics, this module completely eliminates risks associated with electromagnetic interference (EMI) and radio frequency interference (RFI). This ensures stable communication even when routing bus lines near high-voltage switchgear or variable frequency drives (VFDs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Network Reach:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTraditional copper ESB bus cables limit distance between nodes. The SNT401-53 extends the control network over kilometers, enabling the integration of remote pump houses or auxiliary plants into a centralized control room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Isolation and Surge Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe optical interface provides total electrical galvanic isolation between the master FCS and slave nodes. This architecture prevents ground loops and protects the central processor from lightning strikes or high-voltage surges occurring at remote field sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Slim Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 2.2 cm width allows engineers to install redundant repeater pairs in tight cabinet spaces. This maximizes the available slots for functional I\/O modules while maintaining full network redundancy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SNT401-53 support redundant bus configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. For mission-critical applications, you must install SNT401-53 modules in pairs. The CENTUM system utilizes these redundant paths to ensure the FCS maintains communication with I\/O nodes if one fiber optic link sustains damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of fiber optic cable does this module require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SNT401-53 typically requires multi-mode fiber optic cabling. Always verify the specific transceiver specifications and distance requirements in your Yokogawa system hardware manual to ensure proper signal attenuation levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I hot-swap the SNT401-53 during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile Yokogawa hardware supports high availability, we recommend following standard DCS maintenance protocols. Replacing a repeater in a non-redundant configuration will cause a communication loss to all downstream I\/O nodes. Always verify the redundancy status of the bus before attempting a replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I monitor the link status of the optical connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features front-panel LED indicators that display the status of the optical link and data traffic. Additionally, the CENTUM HIS (Human Interface Station) provides detailed system alarms if the optical signal strength drops below the required threshold.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52566016917813,"sku":"SNT401-53","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SNT401-53.png?v=1776136173","url":"https:\/\/www.5gplc.com\/products\/yokogawa-snt401-53-s1-optical-esb-bus-repeater-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}