{"product_id":"esb-bus-coupler-modules-ec401-11-yokogawa","title":"ESB Bus Coupler Modules | EC401-11 | Yokogawa","description":"\u003ch2\u003eYokogawa EC401-11 ESB Bus Coupler Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa EC401-11\u003c\/strong\u003e also cataloged as the \u003cstrong\u003eEC401-11 ESB Bus Coupler Module\u003c\/strong\u003e operates as a dedicated hardware component for communication routing between Field Control Unit (FCU) and Node Unit within ESB bus network.\u003c\/p\u003e\n\u003cp\u003eConfigured for deterministic inter-module data exchange in ESB backplane architecture, the \u003cstrong\u003eYokogawa EC401-11\u003c\/strong\u003e (\u003cstrong\u003eEC401-11 ESB Bus Coupler Module\u003c\/strong\u003e) provides direct electrical interface and protocol-level coupling between distributed N-IO\/FIO node structures and the central control station over ESB bus topology.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEC401-11: ESB Bus Coupler Module base model for N-IO \/ FIO systems\u003c\/li\u003e\n\u003cli\u003e-0: Basic type configuration\u003c\/li\u003e\n\u003cli\u003e-1: ISA Standard G3 option enabled variant\u003c\/li\u003e\n\u003cli\u003e-5: Standard type without explosion protection\u003c\/li\u003e\n\u003cli\u003e-E: Standard type with explosion protection option\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa EC401-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Connectable Nodes\u003c\/td\u003e\n\u003ctd\u003eUp to 9 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003e128 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 10 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eESB Bus (FCU to Node Unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eESB Bus Communication Architecture Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe EC401-11 implements ESB bus coupling for modular distributed I\/O segmentation in Yokogawa control systems. The interface supports synchronized backplane-level communication timing between FCU and node assemblies. ESB transmission layer behavior is aligned with cyclic process data exchange requirements, enabling structured node expansion up to defined hardware limits.\u003c\/p\u003e\n\u003cp\u003eElectrical and logical separation between FCU and node domains is maintained through dedicated bus coupling logic, ensuring controlled propagation of process data frames across ESB segments under fixed-speed transmission conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the EC401-11 be hot-swapped during ESB bus operation?\u003cbr\u003eA: Hot-swap capability depends on system configuration and FCU state. In typical ESB architecture, module replacement requires controlled shutdown of the affected node segment.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum node loading on a single EC401-11 module?\u003cbr\u003eA: Up to 9 connectable node units are supported under standard ESB bus configuration limits.\u003c\/p\u003e\n\u003cp\u003eQ: Does transmission speed remain constant under full node utilization?\u003cbr\u003eA: The module operates at a fixed 128 Mbps ESB transmission rate; throughput is governed by system cycle load and node communication scheduling.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure FCU power is isolated before insertion or removal of EC401-11 module\u003c\/li\u003e\n\u003cli\u003eMaintain ESB bus cable routing within specified 10 m maximum transmission distance\u003c\/li\u003e\n\u003cli\u003eAvoid signal line bundling with high voltage or VFD output cabling to reduce electromagnetic interference coupling\u003c\/li\u003e\n\u003cli\u003eVerify correct node addressing prior to system commissioning\u003c\/li\u003e\n\u003cli\u003eUse proper grounding practices for ESB backplane shielding continuity\u003c\/li\u003e\n\u003cli\u003eConfirm module seating alignment on rack connector to avoid intermittent bus faults\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44147181650008,"sku":"EC401-11","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/EC401-11.jpg?v=1779853693","url":"https:\/\/www.industriaxplc.com\/products\/esb-bus-coupler-modules-ec401-11-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}