{"product_id":"sed2d-01-yokogawa-4-channel-i-o-board-prosafe-rs","title":"SED2D-01 Yokogawa 4-Channel I\/O Board | ProSafe-RS","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SED2D-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a specialized 4-channel terminal board designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Instrumented System (SIS). It acts as the critical physical interface between field-side sensors\/actuators and high-level safety I\/O modules, such as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDV521\u003c\/strong\u003e. By providing a secure mounting platform with high insulation resistance and significant voltage tolerance, the SED2D-01 ensures that emergency shutdown (ESD) and fire and gas (F\u0026amp;G) signals remain uncompromised. This board meets the rigorous\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety integrity requirements, making it a standard choice for high-risk industrial process protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New Original.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe SED2D-01 provides laboratory-grade insulation and robust physical connectivity for safety-critical loops.\u003c\/p\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\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Modules\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSDV521, AKB651 Cable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Certification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL3 (Safety Integrity Level 3)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWithstanding Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2000 V AC for 1 minute\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMinimum 100 MΩ (at 500 V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Hardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 x M4 Screws\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.3 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Industrial Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSIL3 Compliance for Safety Loops:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SED2D-01 supports safety functions up to SIL3. This certification guarantees that the hardware architecture minimizes the probability of failure on demand, ensuring your safety-instrumented functions (SIF) activate correctly during a process crisis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Dielectric Strength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a voltage tolerance of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2000 V AC\u003c\/strong\u003e, this terminal board provides a massive safety margin against field-side electrical surges. This insulation prevents high-voltage transients from crossing into the safety controller, protecting the logic hardware from catastrophic damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Mechanical Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe board utilizes four industrial-grade M4 mounting screws, creating a vibration-proof connection. This mechanical stability prevents signal intermittent failures in high-vibration environments like compressor sheds or offshore platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Impedance Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintaining a minimum of 100 MΩ insulation resistance prevents subtle current leakage between channels. This ensures signal purity for low-voltage safety loops, where even minor leakage could lead to false trips or \"nuisance\" alarms in the control room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the SED2D-01 compatible with standard CENTUM VP I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The SED2D-01 targets safety-critical applications within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenvironment. It primarily interfaces with safety modules like the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDV521\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edigital output module via\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAKB651\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecables. For general-purpose CENTUM VP I\/O, you should use the SB401 or similar terminal boards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this terminal board be used in explosive atmospheres?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: While the board itself features high insulation, its hazardous area rating depends on the cabinet installation and the safety barriers used in the loop. Always verify the overall system's intrinsic safety (IS) parameters before installing in Zone 1 or Zone 2 environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the M4 screw connection over smaller terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: M4 screws allow for higher torque application during wiring, ensuring a \"gas-tight\" connection that resists oxidation. This is vital for long-term reliability in corrosive environments where smaller terminals might fail due to contact degradation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the board require any active power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The SED2D-01 is a passive terminal board. It routes signals and provides electrical isolation\/termination but does not consume system power or require a dedicated voltage input.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43158199271514,"sku":"SED2D-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/185._44be21e1-9f1e-4b04-8dcb-7f1fb134bda1.jpg?v=1774936450","url":"https:\/\/www.spareoil.com\/products\/sed2d-01-yokogawa-4-channel-i-o-board-prosafe-rs","provider":"SpareOil Automation","version":"1.0","type":"link"}