{"product_id":"yokogawa-sdv144-s53-stb4d-00-digital-input-module","title":"Yokogawa SDV144-S53\/STB4D-00 Digital Input Module","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDV144-S53\/STB4D-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esafety digital input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edeveloped for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa ProSafe-RS Safety Instrumented System\u003c\/strong\u003e. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 isolated digital input channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor interfacing with field devices such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epressure switches, emergency stop pushbuttons, and limit switches\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDesigned for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3 safety applications\u003c\/strong\u003e, the module performs\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econtinuous internal self-diagnostics\u003c\/strong\u003e, ensuring that every input signal is validated before being accepted by the safety logic solver. This guarantees deterministic and fault-tolerant operation in high-risk process environments.\u003c\/p\u003e\n\u003cp\u003eA key feature of the SDV144-S53\/STB4D-00 is its advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eline monitoring capability\u003c\/strong\u003e, which can clearly distinguish between a valid contact state and wiring faults such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eopen circuits or short circuits\u003c\/strong\u003e. Its compact footprint and efficient power usage make it well suited for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-density safety cabinets\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere space optimization is critical.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels, module-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Thresholds\u003c\/td\u003e\n\u003ctd\u003eON ≥ 18 V DC \/ OFF ≤ 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e4.1 mA @ 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity Level\u003c\/td\u003e\n\u003ctd\u003eSIL3 (IEC 61508 compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Monitoring\u003c\/td\u003e\n\u003ctd\u003eShort-circuit and open-loop detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Interval\u003c\/td\u003e\n\u003ctd\u003eHardware integrity checks every 100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Power Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 350 mA @ 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e25 × 127 × 102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe SDV144-S53\/STB4D-00 is widely deployed in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoil \u0026amp; gas\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epower generation\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003echemical processing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efacilities. It functions as the primary sensing interface in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmergency Shutdown (ESD)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFire \u0026amp; Gas (F\u0026amp;G)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy ensuring rapid and validated detection of hazardous conditions, the module enables immediate and reliable safety responses.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eRedundancy Support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SDV144-S53\/STB4D-00 supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant configuration\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin ProSafe-RS I\/O racks. In this setup, if one module experiences an internal fault, the partner module assumes operation instantly—allowing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehot swapping and online maintenance\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout interruption of the safety function or plant operation.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51706505855288,"sku":"SDV144-S53\/STB4D-00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SDV144-S53STB4D-001.jpg?v=1770256782","url":"https:\/\/www.automodulexpert.com\/tr\/products\/yokogawa-sdv144-s53-stb4d-00-digital-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}