{"product_id":"yokogawa-ec401-10-s2-centum-vp-128mbps-esb-bus-coupler-module","title":"Yokogawa EC401-10-S2 CENTUM VP 128Mbps ESB Bus Coupler Module","description":"\u003ch2\u003eYokogawa EC401-10-S2 ESB Bus Coupler Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa EC401-10-S2\u003c\/strong\u003e serves as the primary \u003cstrong\u003eYokogawa EC401-10\u003c\/strong\u003e ESB Bus Coupler Module utilized to execute high-speed I\/O data transmission across CENTUM VP and CENTUM CS 3000 platforms. The hardware functions as a dedicated Layer 1 master communication block that extends the internal system backplane fabric over an external interface, enabling synchronous inter-node communication between control units and remote expansion baseplates without intermediate bridge drivers.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe alphanumeric suffix matrix identifies the specific explosion safety ratings, base system generations, and manufacturing hardware revisions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model (EC401):\u003c\/strong\u003e Establishes the standard ESB master bus interface hardware containing specialized driver circuits for FIO\/N-IO subsystem expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Suffix (-1):\u003c\/strong\u003e Specifies the standard hardware compilation type designated with no explosion protection ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic Type Suffix (0):\u003c\/strong\u003e Identifies the basic functional interface block, utilizing a single-port connection physical layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevision Code (S2):\u003c\/strong\u003e Indicates the current manufacturing revision standard. This specific revision guarantees mechanical and electrical form-factor alignment with standard slot layouts.\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\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-S2\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\u003e0.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25 mm x 127 mm x 127 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A at 5 VDC (Current Consumption via Backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Protocol\u003c\/td\u003e\n\u003ctd\u003eProprietary ESB Bus \/ FIO Bus Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Throughput 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\u003ePhysical Distance Limit\u003c\/td\u003e\n\u003ctd\u003e10 m maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Scale Capacity\u003c\/td\u003e\n\u003ctd\u003eMaximum 9 connected units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Allocation\u003c\/td\u003e\n\u003ctd\u003eDedicated Field Control Unit (FCU) slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDistributed Process Integration \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eOperating as a foundational backbone element within distributed control nodes, this module coordinates high-density data updates across up to 9 expansion nests. The module transmits data frames at a raw hardware execution rate of 128 Mbps, securing deterministic cyclic updates for mixed I\/O configurations. To maintain system uptime, the card features physical isolation layers between the high-speed bus transceivers and the core backplane logic processing loops. This channel-to-channel isolation safeguards the primary control processors from localized external line surges, preventing noise induced by parallel 4-20 mA HART loop protocol lines or FOUNDATION Fieldbus segments from entering the internal logic framework.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the EC401-10-S2 bus coupler module be pulled or hot-swapped while the field control unit is powered and running active processes?\u003c\/p\u003e\n\u003cp\u003eA: No, physical extraction of this module from a live backplane slot will instantly break the master ESB bus loop. This results in an immediate loss of communication to all downstream extension nodes, causing the connected I\/O points to enter their pre-configured fail-safe states and generating a critical system configuration fault.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum physical cable layout length allowed when chaining expansion nodes using this specific module?\u003c\/p\u003e\n\u003cp\u003eA: The physical cable layout using standard YCB301 bus cables is restricted to a maximum total length of 10 m. Exceeding this physical limitation will introduce signal attenuation and timing latency, corrupting the 128 Mbps transmission path and causing bus synchronization failures.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Positioning and Alignment:\u003c\/strong\u003e Mount the card inside the designated Field Control Unit (FCU) rack slot. Slide the module completely along the guide rails to ensure full pin engagement on the backplane connector, then secure the integrated mounting screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Connection Lock:\u003c\/strong\u003e Connect the dedicated 36-pin ESB bus cable to the front port panel. Engage the mechanical spring clips on the cable connector housing fully to prevent micro-disconnections caused by low-frequency industrial cabinet vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Grounding Protocol:\u003c\/strong\u003e Ensure the host FCU rack structure is bonded directly to a single-point instrument earth bus bar. Correct grounding ensures the external cable shields divert induced high-frequency electromagnetic noise away from the internal logic loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Monitoring Boundaries:\u003c\/strong\u003e Maintain clear airflow through the vertical ventilation slots of the module housing. Verify that cabinet cooling fans maintain ambient operating temperatures between the 0 and 50 deg C boundaries to prevent thermal stress failures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43683909042266,"sku":"EC401-10 S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/636.jpg?v=1784600621","url":"https:\/\/www.spareoil.com\/products\/yokogawa-ec401-10-s2-centum-vp-128mbps-esb-bus-coupler-module","provider":"SpareOil Automation","version":"1.0","type":"link"}