{"product_id":"snb10d-225-cu2t-yokogawa-snb10d-safety-node-unit","title":"SNB10D-225\/CU2T | Yokogawa | SNB10D Safety Node Unit","description":"\u003ch2\u003eYokogawa SNB10D-225\/CU2T Safety Node Unit\u003c\/h2\u003e\n\u003cp\u003eConfigured for safety I\/O expansion and ESB bus communication in the ProSafe-RS Safety Instrumented System, the \u003cstrong\u003eYokogawa SNB10D-225\/CU2T\u003c\/strong\u003e (\u003cstrong\u003eSNB10D\u003c\/strong\u003e Safety Node Unit) provides direct physical and electrical execution of remote safety signal interfacing between field-connected I\/O modules and Safety Control Units through a dual-redundant Extended System Bus architecture.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\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\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eSNB10D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSafety Node Unit, Rack-Mountable Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code 1\u003c\/td\u003e\n\u003ctd\u003e2 = Dual-redundant power supply with node expansion software license\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code 2\u003c\/td\u003e\n\u003ctd\u003e2 = 220 to 240 VAC power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code 3\u003c\/td\u003e\n\u003ctd\u003e5 = ISA G3 environmental specification, -20 to 70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption Code\u003c\/td\u003e\n\u003ctd\u003e\/CU2T = Connector Unit with ESB Bus Terminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Unit Part No.\u003c\/td\u003e\n\u003ctd\u003eS9343FA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003c\/td\u003e\n\u003ctd\u003eSNB10D-225\/CU2T\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSafety Node Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm x 132.5 mm x 205 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e220 to 240 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 VA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Redundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant internal power supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Rating\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04 G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC between power terminal and ground for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESB Bus Interface\u003c\/td\u003e\n\u003ctd\u003eConnector Unit with integrated terminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Expansion\u003c\/td\u003e\n\u003ctd\u003eUp to 9 units via SEC401, up to 13 units via SEC402\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Modules\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS safety I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Accessories\u003c\/td\u003e\n\u003ctd\u003eFour S9049PM insulating bushings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Safety Signal Integration\u003c\/h3\u003e\n\u003cp\u003eWithin ProSafe-RS architectures, the SNB10D Safety Node Unit functions as an intermediary platform for safety-related digital and analog I\/O modules. Signal transmission between the node unit and the associated Safety Control Unit is performed through the Extended System Bus (ESB) using redundant communication paths.\u003c\/p\u003e\n\u003cp\u003eThe rack incorporates dual power inputs and automatic power-source switchover capability. The \/CU2T configuration includes a dedicated ESB termination assembly that provides bus-end matching for the communication segment. Installation is intended inside a metallic control cabinet to maintain EMC compliance and system grounding requirements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the SNB10D-225\/CU2T support redundant power operation?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The unit includes dual-redundant internal power supply functionality. If one power source becomes unavailable, operation continues through the remaining power supply path.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is external ESB bus termination required when the \/CU2T option is installed?\u003c\/strong\u003e\u003cbr\u003eA: No. The \/CU2T option includes a Connector Unit with an integrated ESB bus terminator, providing end-of-line termination within the supplied assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the SNB10D be mounted directly in an open industrial area?\u003c\/strong\u003e\u003cbr\u003eA: No. Installation documentation specifies mounting within a keyed metallic enclosure to satisfy EMC and safety compliance requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit in a standard 19-inch rack using the specified insulating bushings supplied with the chassis.\u003c\/li\u003e\n\u003cli\u003eVerify incoming supply voltage is within the 220 to 240 VAC operating range before energizing the node.\u003c\/li\u003e\n\u003cli\u003eRoute ESB communication cables separately from high-power conductors to reduce conducted electrical interference.\u003c\/li\u003e\n\u003cli\u003eMaintain cabinet grounding in accordance with plant grounding standards and Yokogawa installation practices.\u003c\/li\u003e\n\u003cli\u003eInstall the \/CU2T connector assembly at the designated ESB bus termination location.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate cabinet ventilation when operating near the upper temperature limit of 70 degC.\u003c\/li\u003e\n\u003cli\u003eConfirm all I\/O modules are approved ProSafe-RS compatible modules before insertion into the node assembly.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44165696127064,"sku":"SNB10D-225\/CU2T","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SNB10D-225CU2T-2.jpg?v=1780365388","url":"https:\/\/www.industriaxplc.com\/products\/snb10d-225-cu2t-yokogawa-snb10d-safety-node-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}