{"product_id":"ec401-10-s3-yokogawa-centum-vp-esb-bus-coupler-module","title":"EC401-10 S3 Yokogawa CENTUM VP ESB Bus Coupler Module","description":"\u003ch2\u003eYokogawa EC401-10 S3 ESB Bus Coupler Modules\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa EC401-10 S3\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eEC402\u003c\/strong\u003e or \u003cstrong\u003eEC401\u003c\/strong\u003e ESB Bus Coupler Module, operates as a dedicated hardware component for high-speed bus communication execution within CENTUM VP and ProSafe-RS control platforms. The unit interfaces up to 9 nodes across dual redundant Ethernet communication paths, transferring I\/O data at rates up to 128 Mbps over max 10 m bus distances. Featuring 1500 VAC dielectric isolation and style S3 environmental build parameters, the module maintains deterministic real-time data flow across system backplane architectures.\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\u003eEC401-10 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\u003eSingapore \/ Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.24 - 0.40 kg (1.5 kg shipping weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa I\/O rack slot footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 60 deg C (S3 version tolerance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e400 mA to 0.5 A at 5 VDC (backplane powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eVnet\/IP, Ethernet TCP\/IP, ESB Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Speed\u003c\/td\u003e\n\u003ctd\u003e128 Mbps (I\/O module data transmission)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectable Nodes\u003c\/td\u003e\n\u003ctd\u003eMax. 9 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eMax. 10 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC between communication and system logic for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eYokogawa process automation architectures mandate physical dielectric isolation to prevent stray field currents and ground loops from impacting backplane processing logic. The EC401-10 S3 maintains 1500 VAC withstand galvanic isolation between external network connections and internal system buses. When operating in hybrid control racks alongside 4-20 mA HART loop transmitters, this high dielectric isolation suppresses noise coupling and safeguards network frame timing across primary and secondary communication paths.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What transmission speed and distance limits govern the EC401-10 S3 module? A: The module executes I\/O data transfers at 128 Mbps across a maximum transmission distance of 10 m.\u003c\/p\u003e\n\u003cp\u003eQ: How many node units connect to a single EC401-10 S3 module? A: The ESB bus interface supports connections for up to 9 node units within the system rack chain.\u003c\/p\u003e\n\u003cp\u003eQ: What primary voltage powers the EC401-10 S3 hardware? A: The module operates directly from the 5 VDC backplane supply, drawing between 400 mA and 0.5 A during operation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the rack chassis or verify dual-redundant module execution prior to mounting the unit into the backplane slot.\u003c\/li\u003e\n\u003cli\u003eAlign module connector pins carefully with backplane guide rails to avoid pin bending during physical insertion.\u003c\/li\u003e\n\u003cli\u003eAttach standard ESB bus cabling or RJ-45 Ethernet lines firmly to both primary and secondary redundant ports.\u003c\/li\u003e\n\u003cli\u003eRoute communication cables through separate wire raceways isolated from high-voltage power lines to prevent electro-magnetic interference.\u003c\/li\u003e\n\u003cli\u003eGround cable shield wires directly to the main cabinet grounding bar using short, low-impedance copper conductors.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43787408834650,"sku":"EC401-10 S3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/725..jpg?v=1785899418","url":"https:\/\/www.spareoil.com\/products\/ec401-10-s3-yokogawa-centum-vp-esb-bus-coupler-module","provider":"SpareOil Automation","version":"1.0","type":"link"}