{"product_id":"yokogawa-sce401-11-s1-centum-vp-esb-bus-coupler-module","title":"YOKOGAWA SCE401-11 S1 CENTUM VP ESB Bus Coupler Module","description":"\u003ch2\u003eYOKOGAWA SCE401-11 S1 Bus Coupler Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed ESB bus communication in CENTUM VP systems, the \u003cstrong\u003eYOKOGAWA SCE401-11 S1\u003c\/strong\u003e (\u003cstrong\u003eSCE401-11\u003c\/strong\u003e Bus Coupler Module) provides direct physical and electrical execution of data transfer between Field Control Units and remote I\/O node units.\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\u003eSCE401-11 S1\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\u003e32.8 mm x 129.5 mm x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard cabinet environmental specs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC \/ 0.5 A\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\u003eMax Node Units\u003c\/td\u003e\n\u003ctd\u003e9 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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe SCE401-11 module maintains integrity within the CENTUM VP architecture by implementing strict electrical separation for its ESB bus communication ports. This channel-to-channel isolation is required to prevent ground loops and high-frequency noise interference originating from external I\/O subsystems from reaching the processor backplane. The module supports precise cold junction compensation (CJC) logic where integrated with analog input subsystems, ensuring that the 128 Mbps throughput remains deterministic. By utilizing high-speed serial framing, the module ensures that the time-critical data exchange between the CPU and remote node units (such as ANB10S\/D) adheres to the strict timing requirements of the DCS control cycle.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the SCE401-11 module be configured for redundant operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports dual-redundant configurations. When operating in a redundant mode, the modules must be installed in both the 7th and 8th slots of the control station rack to enable automatic failover.\u003c\/p\u003e\n\u003cp\u003eQ: What are the physical limitations when planning the ESB bus layout?\u003c\/p\u003e\n\u003cp\u003eA: The total transmission distance for the ESB bus using the SCE401-11 is limited to 10 m. Exceeding this distance will introduce data packet degradation and communication errors, requiring the use of compatible optical extenders if the I\/O node units are located further away.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the control station power supply is set to 24 VDC and is isolated from high-voltage noise sources.\u003c\/li\u003e\n\u003cli\u003eInspect the 7th and 8th slot backplane connectors for debris or pin damage prior to module insertion.\u003c\/li\u003e\n\u003cli\u003eAlign the module housing with the card guides and apply firm, even pressure until the locking lever clicks, ensuring full engagement with the backplane bus.\u003c\/li\u003e\n\u003cli\u003eIf implementing redundant configuration, install the secondary module in the adjacent slot and verify the bus synchronization via the CENTUM VP engineering station.\u003c\/li\u003e\n\u003cli\u003eEnsure all ESB bus cables are properly shielded and grounded at the cabinet entry point to maintain electromagnetic compatibility (EMC) standards.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43577310642266,"sku":"SCE401-11 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/178._8958beab-5162-40fd-a6a1-c6183cc984cf.jpg?v=1782884655","url":"https:\/\/www.spareoil.com\/products\/yokogawa-sce401-11-s1-centum-vp-esb-bus-coupler-module","provider":"SpareOil Automation","version":"1.0","type":"link"}