{"product_id":"yokogawa-sed4d-11-prosafe-rs-32-channel-terminal-board","title":"Yokogawa SED4D-11 ProSafe-RS 32-Channel Terminal Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SED4D-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-integrity signal interface for the ProSafe-RS Safety Instrumented System (SIS). This terminal board facilitates the connection between field instrumentation and safety control modules, providing 32 channels of redundant or independent signal routing. It plays a critical role in Emergency Shutdown (ESD) and Fire and Gas (F\u0026amp;G) systems by maintaining electrical isolation and physical connection stability in SIL3-rated safety loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe SED4D-11 incorporates heavy-duty industrial components to meet rigorous functional safety standards:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Count:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 channels x 2 (32 Channels Total)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Integrity Level:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSIL3 Certified\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eM4 Screw Terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Cable:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAKB331 System Cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWithstand Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDIN Rail (Easy Installation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.8 cm x 48 cm x 13 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.8 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSIL3 Certified Safety Path:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SED4D-11 meets the strict hardware integrity requirements for Safety Integrity Level 3. This certification ensures the terminal board maintains signal transparency and circuit separation, preventing common-cause failures in critical plant safety loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure M4 Screw Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike tension-clamp alternatives, the M4 screw terminals provide a high-torque, vibration-resistant connection. This physical security prevents intermittent signal loss in high-vibration industrial environments, such as compressor stations or turbine decks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Dielectric Strength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe board architecture withstands up to 500 V AC. This robust insulation protects sensitive safety control modules from field-side electrical surges and ground loops, isolating the core system from catastrophic electrical faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density DIN Rail Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe slim 48 cm horizontal profile allows for seamless mounting on standard DIN rails. This design optimizes cabinet layout, enabling engineers to terminate 32 safety channels in a single compact row without requiring custom mounting brackets or specialized tools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Yokogawa SED4D-11 unit brand new?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply the SED4D-11 strictly as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estock. Every unit ships in its original Yokogawa factory packaging, ensuring the hardware meets all factory-tested safety specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich cable should I use to connect this board to the I\/O module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SED4D-11 specifically utilizes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAKB331\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnection cable. This specialized cable ensures proper impedance matching and shielding to maintain the SIL3 integrity of the signal path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this board for non-safety DCS applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the SED4D-11 functions as a terminal interface, it is specifically engineered and certified for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety system. Using it in a standard DCS (like CENTUM VP) may exceed technical requirements, but it is primarily intended for safety-critical environments where SIL3 compliance is mandatory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of the M4 screw terminals over M3 versions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe M4 terminals provide a larger contact surface and accommodate thicker gauge field wiring. This reduces contact resistance and increases mechanical pull-out strength, ensuring a more durable connection for heavy-duty industrial field cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52542788043061,"sku":"SED4D-11","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SED4D-11.png?v=1775555999","url":"https:\/\/www.5gplc.com\/products\/yokogawa-sed4d-11-prosafe-rs-32-channel-terminal-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}