{"product_id":"snt401-53-s1-yokogawa-optical-repeater-module-new-original-stock","title":"SNT401-53 S1 Yokogawa Optical Repeater Module | New \u0026 Original Stock","description":"\u003ch2\u003eYokogawa SNT401-53 S1 Optical ESB Bus Repeater Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed bus extension in CENTUM VP \/ CS 3000 FIO subsystems, the \u003cstrong\u003eYokogawa SNT401-53 S1\u003c\/strong\u003e (\u003cstrong\u003eYokogawa SNT401\u003c\/strong\u003e Optical ESB Bus Repeater Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSNT401-53 S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm x 12.4 cm x 12.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A baseline (5 VDC: ~1.0 A \/ 24 VDC: ~50 mA through baseplate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Function\u003c\/td\u003e\n\u003ctd\u003eConverts ESB bus signals to optical signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Topology\u003c\/td\u003e\n\u003ctd\u003eSupports star and chain type connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Distance\u003c\/td\u003e\n\u003ctd\u003e5 km standard (10 km with R1.03 or later Vnet\/IP system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Connecting Stages\u003c\/td\u003e\n\u003ctd\u003e2 stages\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion Protection\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptical isolation between FCS communication and I\/O bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Optical Bus Management\u003c\/h3\u003e\n\u003cp\u003eThe communication module interfaces with the Field Control Station (FCS) backplane to convert electrical ESB signals into optical propagation sequences. It governs real-time I\/O scanning and data buffering across distant nodes while maintaining complete channel-to-channel isolation through its native fiber-optic media. Operating within a 4-20 mA HART loop protocol architecture, the card isolates core processor logic from field-side surge potentials. The module implements strict signal timing to suppress transmission delays across star or chain topologies, preserving deterministic data synchronization independent of local system firmware flash versions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the backplane current constraints when deploying the SNT401-53 S1 in a redundant node configuration?\u003c\/p\u003e\n\u003cp\u003eA: The module draws approximately 1.0 A at 5 VDC and 50 mA at 24 VDC from the FIO baseplate power rail. Engineers must confirm that the total current load of the dual repeater modules does not exceed the hardware limits of the localized node power supply units.\u003c\/p\u003e\n\u003cp\u003eQ: How does the optical interface handle line faults or connection breaks during active DCS operations?\u003c\/p\u003e\n\u003cp\u003eA: In a redundant dual-line configuration, the internal logic monitors link status using built-in diagnostics. If an optical signal drops or a cable breaks, the module executes an automatic switchover to the secondary redundant path without disrupting the running process control logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseplate Slot Alignment and Locking:\u003c\/strong\u003e Insert the module firmly into the designated slot of the FIO baseplate. Push the card straight along the guide rails until the rear interface seats completely into the backplane connectors, then lock the mechanical latches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Fiber Routing and Bend Radii:\u003c\/strong\u003e Route all fiber-optic cables through protective low-noise conduits separated from high-voltage AC cables and motor drive lines. Maintain the manufacturer-specified minimum bend radius to prevent signal attenuation and data tracking dropouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Enclosure Considerations:\u003c\/strong\u003e Verify that the industrial cabinet installation maintains the ISA G3 conformal coating parameters by sealing unused openings. Keep the ambient operational boundary between -20 and +70 deg C to guarantee long-term stability under continuous thermal loads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43517494820954,"sku":"SNT401-53","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/197._c5b76f5e-391f-4872-99d9-6159bb5aefdc.jpg?v=1781744815","url":"https:\/\/www.spareoil.com\/products\/snt401-53-s1-yokogawa-optical-repeater-module-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}