{"product_id":"yokogawa-rb301-s2-rio-bus-interface-master-card","title":"Yokogawa RB301 S2 RIO Bus Interface Master Card","description":"\u003ch2\u003eYokogawa RB301 S2 RIO Bus Interface Master Card\u003c\/h2\u003e\n\u003cp\u003eConfigured for Specific Technical Task in System\/Network Name, the \u003cstrong\u003eYokogawa RB301\u003c\/strong\u003e (\u003cstrong\u003eRB301\u003c\/strong\u003e S2 RIO Bus Interface Master Card) provides direct physical\/electrical execution. The hardware establishes deterministic communication links across distributed physical nodes to ensure real-time data frame transmission between remote input\/output subsystems and central processing infrastructure. It functions exclusively at the physical and data link layers to arbitrate node traffic without introducing software-level protocol processing delays.\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\u003eRB301\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\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 cm x 27.9 cm x 25.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eS2 RIO Bus Interface Master Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eRIO Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e10 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Connection\u003c\/td\u003e\n\u003ctd\u003eDB-37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Capacity\u003c\/td\u003e\n\u003ctd\u003e31 devices per segment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDistributed Control System Bus Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates dedicated hardware logic to execute a 4-20 mA HART loop protocol over the physical infrastructure layer. It provides continuous channel-to-channel isolation rated to prevent transient voltage spikes from propagating through the internal backplane logic circuits. Integrated cold junction compensation (CJC) circuits maintain thermal stability across the input termination points, dynamically filtering thermal noise and ensuring high-accuracy signal conversion during continuous process loop operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the module support hot-swap insertion while the RIO bus segment is actively powered?\u003c\/p\u003e\n\u003cp\u003eA: No. Removing or inserting the module while the 24 VDC power rail is active will interrupt the deterministic token rotation on the RIO bus, causing a communication fault across all 31 downstream devices connected to the segment. Power must be isolated before hardware replacement.\u003c\/p\u003e\n\u003cp\u003eQ: How is the physical network node address assigned to this interface card?\u003c\/p\u003e\n\u003cp\u003eA: The hardware address is established via hardware switches located on the printed circuit board assembly or assigned through system configuration software during initial commissioning. It does not auto-negotiate addresses on an active segment.\u003c\/p\u003e\n\u003cp\u003eQ: What causes a communication timeout error on the DB-37 interface?\u003c\/p\u003e\n\u003cp\u003eA: Timeout errors typically stem from electromagnetic interference, incorrect termination resistance on the RIO bus segment, or exceeding the maximum specified physical cable length. Ensure the shielding constraints match industrial standards.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Orientation:\u003c\/strong\u003e Fix the card securely within the designated slot chassis using the integrated retention screws. Maintain proper vertical alignment to facilitate natural convection cooling across the internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding:\u003c\/strong\u003e Terminate the DB-37 cable shield directly to the functional earth ground bar at the entry point of the enclosure. Do not allow the shield drain wire to create a ground loop by connecting it to earth at both physical ends of the cable run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Route the RIO communication cables in separate, dedicated metal conduits away from high-voltage AC power distribution lines or variable frequency drive output cables to prevent signal cross-talk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Control:\u003c\/strong\u003e Verify that the enclosure internal ambient temperature does not exceed 60 deg C under maximum continuous load conditions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43660736692314,"sku":"RB301","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/530.1_38da3617-56c3-406b-bd52-521b0be40cc0.jpg?v=1784078797","url":"https:\/\/www.spareoil.com\/es\/products\/yokogawa-rb301-s2-rio-bus-interface-master-card","provider":"SpareOil Automation","version":"1.0","type":"link"}