{"product_id":"digital-input-module-sdv144-s53-s4-yokogawa","title":"Digital Input Module SDV144-S53 S4 Yokogawa","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDV144-S53 S4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-integrity\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esafety digital input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa ProSafe-RS Safety Instrumented System\u003c\/strong\u003e. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS4-series hardware revision\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 isolated digital input channels\u003c\/strong\u003e, optimized for acquiring discrete signals from safety-critical field devices such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epressure switches, emergency stop pushbuttons, and valve position indicators\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCertified for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3 safety applications\u003c\/strong\u003e, the SDV144-S53 S4 incorporates\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econtinuous hardware self-diagnostics\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure input signal validity and long-term system availability. Its compact mechanical profile and low heat dissipation make it especially suitable for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-density safety cabinets\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA key technical advantage of this module is its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-layer diagnostic architecture\u003c\/strong\u003e. In addition to monitoring internal electronics, it actively supervises\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efield wiring integrity\u003c\/strong\u003e, detecting\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eopen circuits and short circuits\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat could otherwise remain hidden and compromise the safety loop.\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 Quantity\u003c\/td\u003e\n\u003ctd\u003e16 channels, module-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e24 V DC (dry contact or voltage input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage 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 per channel @ 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\u003eInternal Diagnostics\u003c\/td\u003e\n\u003ctd\u003eHardware self-testing every 100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Line Monitoring\u003c\/td\u003e\n\u003ctd\u003eOpen\/short detection (with EOL resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e350 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\u003e0.22 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 S4 is widely used in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLNG processing\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003echemical refining\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epower generation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efacilities. It is specifically suited for:\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\u003elogic\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\u003edetection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ewhere loss or corruption of a discrete signal could lead to severe process or safety consequences.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eS4 Revision Explanation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS4 suffix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eidentifies a specific\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehardware revision level\u003c\/strong\u003e. While the functional behavior remains consistent with the SDV144-S53 series,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS4-level modules typically incorporate optimized component selection\u003c\/strong\u003e, resulting in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eimproved thermal stability and increased MTBF\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecompared to earlier legacy revisions.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51706549371192,"sku":"SDV144-S53 S4","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SDV144-S33_S2.jpg?v=1770256782","url":"https:\/\/www.automodulexpert.com\/products\/digital-input-module-sdv144-s53-s4-yokogawa","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}