{"product_id":"yokogawa-snb10d-445-cu2t-safety-node-unit-prosafe-rs","title":"Yokogawa SNB10D-445\/CU2T Safety Node Unit ProSafe-RS","description":"\u003ch1\u003eYokogawa SNB10D-445\/CU2T Safety Node Unit\u003c\/h1\u003e\n\u003cp\u003eConfigured for distributed I\/O expansion in ProSafe-RS safety systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SNB10D-445\/CU2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003eSNB10D-445\/CU2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Node Unit) provides direct physical housing, ESB bus integration, and redundant power distribution for high-integrity safety I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSNB10D-445\/CU2T\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.9 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e482.6 x 221.5 x 205 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10 deg C to +55 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.5 A (max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBus Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eESB bus with CU2T terminator\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSafety SIS Integration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNB10D-445\/CU2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincorporates high-reliability features designed for Safety Instrumented Systems (SIS). The unit supports galvanic isolation between the power distribution rails and the ESB bus interface, preventing fault propagation from field-side circuitry into the main safety controller. To maintain system-wide safety integrity, this node unit utilizes fail-safe state execution, ensuring that in the event of power rail disruption or bus communication loss, connected I\/O modules revert to a defined safe state. The integration of ISA G3 corrosion-resistant protection ensures the electrical terminals and backplane components remain unaffected by environmental contaminants during long-term operational cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the SNB10D-445\/CU2T support on-line replacement of power supply modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The dual-redundant power configuration permits the extraction and replacement of power supply components while the unit is operational, maintaining continuous power delivery to the I\/O bus.\u003c\/p\u003e\n\u003cp\u003eQ: What are the primary considerations when configuring the ESB bus with the CU2T terminator?\u003c\/p\u003e\n\u003cp\u003eA: The CU2T terminator must be correctly seated at the physical end of the ESB bus segment to prevent signal reflections. Improper termination will result in CRC errors and degraded communication latency between the safety node and the processor module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRack Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit is designed for 19-inch rack mounting. Secure the chassis using 4 M5 screws equipped with insulation bushes to prevent direct metal-to-metal contact and potential ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConnect the chassis ground terminal to the main cabinet ground bus using a multi-stranded copper conductor. This provides a low-impedance path for noise discharge and satisfies electromagnetic compatibility requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBus Cabling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRoute ESB bus cables through dedicated conduits or cable trays, maintaining physical separation from high-current power cables to prevent electromagnetic coupling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Sealing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the cabinet housing the unit provides adequate ingress protection. While the unit features G3-rated corrosion resistance, avoid direct exposure to moisture or high-velocity airflow containing conductive dust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43612013101146,"sku":"SNB10D-445\/CU2T","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/211._3cacd563-1e8b-4ed3-854f-bcf92d221988.jpg?v=1783403471","url":"https:\/\/www.spareoil.com\/es\/products\/yokogawa-snb10d-445-cu2t-safety-node-unit-prosafe-rs","provider":"SpareOil Automation","version":"1.0","type":"link"}