{"product_id":"ec401-51-s3-yokogawa-prosafe-rs-esb-bus-coupler-module","title":"EC401-51 S3 Yokogawa ProSafe-RS ESB Bus Coupler Module","description":"\u003ch2\u003eYokogawa EC401-51 S3 ESB Bus Coupler Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed deterministic data transfer in ProSafe-RS and CENTUM VP systems, the \u003cstrong\u003eYokogawa EC401-51 S3\u003c\/strong\u003e (\u003cstrong\u003eEC401\u003c\/strong\u003e ESB Bus Coupler Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption \/ Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC401\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eESB Bus Coupler Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-51\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModel Option\u003c\/td\u003e\n\u003ctd\u003eStandard type with enhanced ISA G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStyle Code\u003c\/td\u003e\n\u003ctd\u003eStyle 3 hardware revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eEC401-51 S3\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\u003e0.1 kg (Net), 0.4 kg (Shipping)\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 @ 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS SIS \/ CENTUM VP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003e128 Mbps (I\/O bus transmission)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eESB Bus Cable (36-pin interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Rating\u003c\/td\u003e\n\u003ctd\u003eCertified SIL3 (IEC 61508)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptical isolation via ESB bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot-Swap Support\u003c\/td\u003e\n\u003ctd\u003eSupported in dual-redundant configurations\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 Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe EC401-51 S3 interfaces field control nodes across the ESB bus architecture, executing high-speed data synchronization at 128 Mbps. Internal optical isolation blocks cross-talk and field-side electrical surges, preserving signal integrity across 4-20 mA HART loop protocol connections and digital safety circuits. The module supports redundant CPU configurations to guarantee uninterrupted process control and SIL3 safety logic execution during online system maintenance.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the EC401-51 S3 module be replaced while the control chassis remains powered?\u003c\/p\u003e\n\u003cp\u003eA: Yes, hot-swapping is supported when the host Field Control Unit is configured in a dual-redundant architecture.\u003c\/p\u003e\n\u003cp\u003eQ: How is physical communication established between the module and extension nodes?\u003c\/p\u003e\n\u003cp\u003eA: Interconnection requires a dedicated 36-pin ESB bus cable attached to the front connector port.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAlign the EC401-51 S3 card vertically with the designated backplane guide rails of the Field Control Unit slot. Slide the module inward until the rear bus pins lock securely into the rack connector. Hand-tighten the top and bottom securing screws to maintain chassis grounding. Ensure the 36-pin ESB communication cable is fully latched and strain-relieved away from high-voltage AC conduits to prevent signal interference.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43838658347098,"sku":"EC401-51 S3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/551._cb60f6fe-9318-41f0-9fc6-2be1e96e7543.jpg?v=1786591670","url":"https:\/\/www.spareoil.com\/products\/ec401-51-s3-yokogawa-prosafe-rs-esb-bus-coupler-module","provider":"SpareOil Automation","version":"1.0","type":"link"}