{"product_id":"yokogawa-snb10d-445-cu2t-safety-node-unit","title":"Yokogawa SNB10D-445\/CU2T Safety Node Unit","description":"\u003ch2\u003eYokogawa SNB10D-445\/CU2T Safety Node Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SNB10D-445\/CU2T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSNB10D-445\u003c\/strong\u003e Safety Node Unit, operates as a dedicated hardware component for high-integrity field I\/O communication within ProSafe-RS Safety Instrumented Systems. It executes deterministic signal acquisition, ESB Bus data transmission, and internal power distribution to connected safety I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eHardwareSpecifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa SNB10D-445\/CU2T\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\u003eProductType\u003c\/td\u003e\n\u003ctd\u003eSafety Node Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 5.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 mm (H) × 45 mm (W) × 130 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e−20 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorageTemp\u003c\/td\u003e\n\u003ctd\u003e−40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelativeHumidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerSupply\u003c\/td\u003e\n\u003ctd\u003eDual-redundant 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003eMax 5.5 A \/ Approx. 8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunicationInterface\u003c\/td\u003e\n\u003ctd\u003eESB Bus (Ethernet Safety Backbone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafetyCompliance\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMountingType\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mount \/ DIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupportedIOModules\u003c\/td\u003e\n\u003ctd\u003eUp to 8 per node\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetworkExpansion\u003c\/td\u003e\n\u003ctd\u003eUp to 13 nodes (SEC402 coupler), up to 9 nodes (SEC401 coupler)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, CSA, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eProcess Control \u0026amp; DCS Integration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports 4-20 mA HART loop protocol for analog signal interfacing.\u003c\/li\u003e\n\u003cli\u003eProvides channel-to-channel isolation to prevent cross-coupling of analog and digital signals.\u003c\/li\u003e\n\u003cli\u003eImplements cold junction compensation (CJC) for thermocouple inputs, ensuring precise temperature signal interpretation.\u003c\/li\u003e\n\u003cli\u003eCompatible with FOUNDATION Fieldbus and Profibus PA networks for deterministic field device communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eQ: Does the SNB10D-445\/CU2T support hot-swappable I\/O modules?\u003cbr\u003eA: No, the unit requires a powered-down state for safe insertion or removal of I\/O modules.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum current load per ESB Bus segment?\u003cbr\u003eA: The maximum combined current consumption of connected safety nodes should not exceed the rated 5.5 A input limit per power supply path.\u003c\/p\u003e\n\u003cp\u003eQ: Is firmware upgrade possible without node removal?\u003cbr\u003eA: Firmware upgrades are supported via the ProSafe-RS configuration interface without physical removal, provided the unit is operational and in a controlled maintenance mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField Installation Guidelines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMount on a 19-inch rack or panel using M5 screws with insulation bushes; ensure secure grounding.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cables for ESB Bus connections to minimize electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eTerminate the last node in the bus line with the integrated \/CU2T connector to prevent reflections.\u003c\/li\u003e\n\u003cli\u003eMaintain ambient operating temperature and humidity within specified ranges; avoid direct sunlight and corrosive exposure beyond ISA G3 tolerance.\u003c\/li\u003e\n\u003cli\u003eRoute power and communication cables separately where possible to reduce crosstalk and maintain signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44163177349208,"sku":"SNB10D-445\/CU2T","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SNB10D-445CU2T.jpg?v=1780283830","url":"https:\/\/www.industriaxplc.com\/products\/yokogawa-snb10d-445-cu2t-safety-node-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}