{"product_id":"yokogawa-ssnb10d-425-cu2n-dual-redundant-esb-bus-node-unit","title":"YOKOGAWA SSNB10D-425\/CU2N Dual-Redundant ESB Bus Node Unit","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA SSNB10D-425\/CU2N\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSSNB10D-425\/CU2N\u003c\/strong\u003e ESB Bus Node Unit, operates as a dedicated hardware component for deterministic I\/O communication and bus expansion within Yokogawa Centum VP\/CS 3000 control platforms.\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\u003eSSNB10D-425\/CU2N\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\u003e10 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm x 221.5 mm x 150.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e120 W (AC) \/ 5.5 A (24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e8 modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM5 screws (4 points)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual power\/ESB interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe SSNB10D-425\/CU2N utilizes high-speed ESB (Extended Serial Bus) bus communication to facilitate deterministic data exchange between the field control station and remote I\/O modules. The unit features dedicated ESB bus connector units (\/CU2N) that enable seamless scaling of I\/O density while maintaining strict synchronization across the bus backplane. This architecture supports high-velocity firmware flash compatibility for system updates, ensuring that communication latencies remain within the specified operational tolerances required for integrated process control and safety-related functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the dual-redundant power configuration require two independent power sources?\u003c\/p\u003e\n\u003cp\u003eA: Yes, to achieve full power redundancy, the dual power modules must be connected to independent 100-240 VAC or 24 VDC sources to prevent single-point failures from disrupting bus communication.\u003c\/p\u003e\n\u003cp\u003eQ: Can this node unit be hot-swapped during active system operation?\u003c\/p\u003e\n\u003cp\u003eA: While the ESB interface modules are designed for high availability, the backplane-mounted node unit itself requires strict adherence to system-specific maintenance procedures and proper shut-down or bypass logic to prevent communication loss to the connected I\/O.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit using four M5 screws to ensure structural stability within the standard 19-inch rack enclosure.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation spacing around the unit to prevent thermal accumulation, as the 120 W power consumption generates significant heat under full load.\u003c\/li\u003e\n\u003cli\u003eTerminate ESB bus cables using the provided \/CU2N connectors, ensuring the cables are properly shielded and grounded to avoid electromagnetic interference (EMI) on the backplane bus.\u003c\/li\u003e\n\u003cli\u003eVerify that all 8 I\/O module slots are properly seated and that the backplane connector pins are free from debris before power-up.\u003c\/li\u003e\n\u003cli\u003eCheck the dual power supply wiring to ensure polarity is correct for the 24 VDC configuration, or that the AC input matches the 100-240 VAC auto-ranging specification.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49262232502524,"sku":"ESB SSNB10D-425\/CU2N","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/SNB10D-225CU2N.jpg?v=1783388623","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-ssnb10d-425-cu2n-dual-redundant-esb-bus-node-unit","provider":"Electronic PLC","version":"1.0","type":"link"}