{"product_id":"ec401-50-yokogawa-esb-bus-coupler-module-new-original-stock","title":"EC401-50 YOKOGAWA ESB Bus Coupler Module | New \u0026 Original Stock","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA EC401-50\u003c\/strong\u003e (\u003cstrong\u003eEC401-50\u003c\/strong\u003e) serves as a critical interface module within the Yokogawa control architecture, specifically designed to couple the Extended Synchronous Bus (ESB) across distributed nodes. This module ensures high-speed, deterministic data exchange between Field Control Units (FCUs) and I\/O node units, maintaining the synchronization required for demanding process control applications.\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\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\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eESB Bus coupling and signal management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM series \/ FIO systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control System Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEC401-50\u003c\/strong\u003e acts as the physical layer bridge for the ESB bus network. By managing signal distribution between the controller and remote I\/O nodes, it ensures that process data—such as analog measurements and status inputs—is transmitted with minimal latency and high integrity. This is essential for maintaining the stability of control loops and ensuring that safety or regulatory processes meet strict timing requirements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the EC401-50 differ from an ESB bus repeater?\u003c\/p\u003e\n\u003cp\u003eA: While a repeater is used to regenerate signals for extended distances, the coupler module (EC401) is primarily responsible for interfacing the ESB bus network with the specific node infrastructure, effectively joining segments of the control network.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module compatible with existing redundant bus configurations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the EC401-50 is engineered to support the physical and logical requirements of Yokogawa's redundant ESB architectures, provided it is installed in accordance with the system-specific bus topology guidelines.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBefore insertion, inspect the backplane connector pins for any signs of oxidation or bending to ensure a stable electrical connection.\u003c\/li\u003e\n\u003cli\u003eEnsure the system power is fully isolated and the cabinet is de-energized before mounting the module to prevent accidental shorts on the backplane.\u003c\/li\u003e\n\u003cli\u003eOnce seated, verify that the module is flush against the rack and secured with the retention screws; this is vital for maintaining the chassis ground path.\u003c\/li\u003e\n\u003cli\u003eRoute any auxiliary signal cabling away from high-voltage power leads to prevent electromagnetic interference (EMI) from affecting the bus data integrity.\u003c\/li\u003e\n\u003cli\u003ePerform a system diagnostic check using the DCS engineering station software immediately after installation to verify that the communication link to the node is established and stable.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49185117274364,"sku":"EC401-50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/EC401-501.jpg?v=1781229270","url":"https:\/\/www.electronicplc.com\/ar\/products\/ec401-50-yokogawa-esb-bus-coupler-module-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}