{"product_id":"safety-node-unit-yokogawa-snb10d-425-cu2t","title":"Safety Node Unit | Yokogawa SNB10D-425\/CU2T","description":"\u003ch2\u003eYokogawa SNB10D-425\/CU2T Safety Node Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SNB10D-425\/CU2T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSNB10D-425\u003c\/strong\u003e Safety Node Unit, operates as a dedicated hardware component for transmitting analog input and contact signals to the Safety Control Unit within ProSafe-RS systems. It integrates dual-redundant power modules and ESB bus interfaces to maintain continuous data and power flow for safety I\/O modules.\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\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\u003eModel Brand\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\u003e5.9 kg (without I\/O modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm (W) x 221.5 mm (H) x 205.0 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e100-120 VAC: 200 VA220-240 VAC: 230 VA24 VDC: 5.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDual-redundant, AC 100-120 V \/ 220-240 V, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eESB Bus with \/CU2T Connector Unit (Part No: S9343FA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Safety Node Units\u003c\/td\u003e\n\u003ctd\u003e13 (with SEC402) \/ 9 (with SEC401)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Module Compatibility\u003c\/td\u003e\n\u003ctd\u003eSafety-certified analog and discrete I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Cable\u003c\/td\u003e\n\u003ctd\u003eYokogawa YCB301 (≥ 1 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConformal Coating\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Features\u003c\/h3\u003e\n\u003cp\u003eThe SNB10D-425\/CU2T provides \u003cstrong\u003echannel-to-channel isolation\u003c\/strong\u003e to prevent signal interference between analog inputs and contact signals. It supports \u003cstrong\u003e4-20 mA HART loop protocols\u003c\/strong\u003e for analog process instrumentation and ensures cold junction compensation (CJc) for thermocouple inputs. The ESB bus interface maintains synchronized communication with the ProSafe-RS Safety Control Unit, with galvanic isolation between power and signal paths.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum number of SNB10D-425\/CU2T units per safety control system?\u003cbr\u003eA: Up to 13 units with SEC402 ESB coupler modules, and up to 9 units with SEC401 modules.\u003c\/p\u003e\n\u003cp\u003eQ: Can I hot-swap I\/O modules inside this unit?\u003cbr\u003eA: Modules can be replaced only under powered-down conditions to maintain SIL3 compliance; hot-swap is not supported.\u003c\/p\u003e\n\u003cp\u003eQ: What type of cables are required for ESB bus communication?\u003cbr\u003eA: Standard Yokogawa YCB301 ESB bus cables of 1 m or longer are required.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall inside a keyed, grounded industrial metallic cabinet to meet EMC and safety requirements.\u003c\/li\u003e\n\u003cli\u003eSeal unused I\/O slots with SDCV01 dummy covers to prevent dust entry and thermal unevenness.\u003c\/li\u003e\n\u003cli\u003eMaintain correct ESB bus termination using the \/CU2T connector unit; do not add external terminators.\u003c\/li\u003e\n\u003cli\u003eRoute power and signal cables separately to reduce interference; ensure minimum bend radius and secure fastening.\u003c\/li\u003e\n\u003cli\u003eGround chassis and metallic parts to the plant grounding system to prevent electrical noise propagation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44163644981336,"sku":"SNB10D-425\/CU2T","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SNB10D-425CU2T-3.jpg?v=1780293106","url":"https:\/\/www.industriaxplc.com\/products\/safety-node-unit-yokogawa-snb10d-425-cu2t","provider":"IndustriaX Limited","version":"1.0","type":"link"}