{"product_id":"ec401-50-s3-yokogawa-esb-bus-coupler-new-original-stock","title":"EC401-50 S3 Yokogawa ESB Bus Coupler | New \u0026 Original Stock","description":"\u003cp\u003eConfigured for high-speed data backbone connectivity in DCS architectures, the \u003cstrong\u003eYokogawa EC401-50 S3\u003c\/strong\u003e (\u003cstrong\u003eEC401-50\u003c\/strong\u003e ESB Bus Coupler Module) provides direct physical signal bridging between the Field Control Unit (FCU) and remote I\/O nodes.\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\u003eEC401-50 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\u003e0.3 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\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFOUNDATION Fieldbus and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe EC401-50 S3 module manages the Extended Standard Bus (ESB) communication protocol, facilitating deterministic data transfer between control stations and input\/output subsystems. The module incorporates galvanic isolation to decouple the ESB bus from the local backplane, preventing propagation of electrical noise or transient surges from external remote racks. This configuration maintains the integrity of the control heartbeat across the distributed architecture, ensuring that signal latency remains within the defined millisecond thresholds required for process safety and regulation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can this coupler module be replaced during active operation?\u003c\/p\u003e\n\u003cp\u003eA: No, the EC401-50 does not support hot-swapping. The specific communication segment must be offlined in the control software, and power must be removed before the module is extracted from the node unit to prevent bus master errors.\u003c\/p\u003e\n\u003cp\u003eQ: How does the \"S3\" suffix impact compatibility with existing nodes?\u003c\/p\u003e\n\u003cp\u003eA: The \"S3\" designation indicates a specific hardware revision level; it is critical to verify the current firmware compatibility with the existing FCU and remote node units to avoid communication protocol mismatches.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the module is seated fully into the node unit slot, engaging both the top and bottom locking latches to maintain structural rigidity against mechanical vibrations.\u003c\/li\u003e\n\u003cli\u003eInspect the ESB bus cable connectors for debris before insertion; a poor connection can induce bit-errors that propagate across the entire control bus.\u003c\/li\u003e\n\u003cli\u003eRoute ESB communication cables through designated low-voltage conduits, maintaining physical separation from power lines to avoid induced crosstalk.\u003c\/li\u003e\n\u003cli\u003eAfter installation, verify the \"Status\" LED indicators on the front panel to confirm successful handshake with the FCU master controller.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49203388088572,"sku":"EC401-50 S3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/EC401-50_S3.jpg?v=1781575114","url":"https:\/\/www.electronicplc.com\/products\/ec401-50-s3-yokogawa-esb-bus-coupler-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}