{"product_id":"yokogawa-sdv-series-digital-output-module-sdv531-lfc","title":"Yokogawa SDV Series Digital Output Module | SDV531-LFC","description":"\u003ch1\u003eYokogawa SDV531-LFC Digital Output Module\u003c\/h1\u003e\n\u003cp\u003eConfigured for digital output signal execution in Yokogawa DCS I\/O systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SDV531-LFC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003eSDV531\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDigital Output Module) provides direct physical\/electrical execution of 24 VDC current source switching across isolated output channels within distributed control hardware architectures.\u003c\/p\u003e\n\u003cp\u003eThe module implements 8 channel electrically isolated output stages designed for field load actuation in long-distance wiring configurations. Output structure is based on current source topology with per-channel isolation, supporting independent load switching without shared return path coupling. The L suffix variant extends cable reach capability using dedicated signal cable adapters. Internal diagnostics support wiring integrity checks without external test circuitry. The design targets high-density I\/O racks with redundant configuration compatibility.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-L\u003c\/strong\u003e: Long-distance type configuration enabling extended signal cable routing using dedicated adapter assemblies (AKB331 \/ AKB651)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa SDV531-LFC\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\u003e~0.34 kg (with signal cable adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 degC (ISA G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC: 280 mA \/ 24 VDC: 140 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 (module-isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e24 VDC current source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load Current\u003c\/td\u003e\n\u003ctd\u003e0.6 A \/ channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Load Current\u003c\/td\u003e\n\u003ctd\u003e4.8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Resistance\u003c\/td\u003e\n\u003ctd\u003e40 to 685 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 30 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and system isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kVAC (1 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current (OFF)\u003c\/td\u003e\n\u003ctd\u003e1.6 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eYokogawa DCS Channel Isolation \u0026amp; Output Execution Architecture\u003c\/h3\u003e\n\u003cp\u003eThe SDV531-LFC output stage implements per-channel galvanic separation aligned with Yokogawa process I\/O design rules, minimizing inter-channel backfeed under mixed inductive load conditions. Channel isolation supports deterministic switching behavior in distributed rack configurations where shared return impedance must be avoided. Output drivers maintain defined current source behavior with voltage drop limitation of 1 V, ensuring stable actuation across varying field loop resistances. Long-distance configuration uses dedicated cable assemblies to preserve signal integrity under extended routing conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the SDV531-LFC channels be hot-swapped under load conditions?\u003c\/strong\u003e\u003cbr\u003eA: Hot-swap capability depends on system rack configuration. Electrically, output channels are isolated, but load state should be driven to safe condition before module insertion or removal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does each channel share a common return path?\u003c\/strong\u003e\u003cbr\u003eA: No. Each channel is module-isolated, preventing shared return coupling between output circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the impact of leakage current in OFF state on field devices?\u003c\/strong\u003e\u003cbr\u003eA: OFF-state leakage current is specified up to 1.6 mA, which must be considered for high-impedance input loads or solid-state field devices.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain segregation between output wiring and high-noise power conductors to reduce inductive coupling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded cables for long-distance configurations and terminate shields at designated earth reference point only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify load resistance remains within 40 to 685 ohm operating envelope per channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure torque compliance for pressure clamp terminals to prevent intermittent contact resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApply proper grounding of cable shield at control cabinet side only, avoiding dual-end ground loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm system power sequencing to avoid transient backfeed during module insertion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44143474638936,"sku":"SDV531-LFC","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SDV531-LFC.jpg?v=1779764970","url":"https:\/\/www.industriaxplc.com\/products\/yokogawa-sdv-series-digital-output-module-sdv531-lfc","provider":"IndustriaX Limited","version":"1.0","type":"link"}