{"product_id":"yokogawa-sdv531-s23-functional-safety-digital-output-module","title":"Yokogawa SDV531-S23 Functional Safety Digital Output Module","description":"\u003ch2\u003eYokogawa SDV531-S23 Functional Safety Digital Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SDV531-S23\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSDV531-S23\u003c\/strong\u003e Functional Safety Digital Output Module, provides eight isolated 24 V DC discrete output channels for safety logic execution in Yokogawa ProSafe-RS Safety Instrumented Systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSDV531-S23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eFunctional Safety Digital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS; integrated CENTUM VP \/ CS 3000 networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eCurrent source, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Output Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC (+20% \/ -10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Current\u003c\/td\u003e\n\u003ctd\u003e0.6 A per channel; 4.8 A total maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load Current\u003c\/td\u003e\n\u003ctd\u003e35 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF-State Leakage Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1.6 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Drop\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1.0 V DC\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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 280 mA at 5 V DC; \u0026lt;= 140 mA at 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e2,000 V AC for 1 minute between output lines and system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e100 Mohm minimum at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Certification\u003c\/td\u003e\n\u003ctd\u003eSIL3, IEC 61508\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGalvanic Isolation and Output Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe SDV531-S23 provides isolated output channels between the system side and external field circuits. The isolation is specified for protection against external voltage disturbances, ground-loop effects, and electrical noise. The output stage supplies 24 V DC current-source signals for field devices such as actuators, solenoids, relays, contactors, and indicator circuits.\u003c\/p\u003e\n\u003cp\u003eIntegrated field diagnostics monitor output-loop conditions. The supplied specifications identify detection of open circuits, short circuits, and field-loop anomalies. The specified maximum load is 0.6 A per channel, with a total maximum load of 4.8 A.\u003c\/p\u003e\n\u003cp\u003eThe output electrical interface has a specified voltage drop of no more than 1.0 V DC and an OFF-state leakage current of no more than 1.6 mA. The specified response time is no more than 30 ms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: How many discrete output channels are provided?\u003c\/p\u003e\n\u003cp\u003eA: The SDV531-S23 provides 8 isolated digital output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What output voltage and load current are specified?\u003c\/p\u003e\n\u003cp\u003eA: The rated output is 24 V DC with a tolerance of +20% \/ -10%. The maximum load is 0.6 A per channel and 4.8 A for all channels combined.\u003c\/p\u003e\n\u003cp\u003eQ: Is the module suitable for SIL3 applications?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The supplied data specifies SIL3 certification according to IEC 61508 for use within ProSafe-RS safety systems.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module only in the designated Yokogawa system hardware configuration and compatible base or backplane assembly.\u003c\/li\u003e\n\u003cli\u003eVerify the field wiring against the applicable ProSafe-RS system wiring documentation before energization.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between discrete output wiring and circuits carrying high transient current or strong electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eRoute signal cables to minimize unnecessary parallel runs with power cables.\u003c\/li\u003e\n\u003cli\u003eApply cable shielding and shield termination according to the system grounding design and Yokogawa installation documentation.\u003c\/li\u003e\n\u003cli\u003eConfirm field device voltage and current requirements before connecting actuators, solenoids, relays, or contactors.\u003c\/li\u003e\n\u003cli\u003eCheck output polarity and terminal assignment before applying field power.\u003c\/li\u003e\n\u003cli\u003eVerify that the connected field load remains within the specified 35 mA minimum and 0.6 A maximum channel current.\u003c\/li\u003e\n\u003cli\u003eInspect field-loop continuity and short-circuit conditions during commissioning using the applicable system diagnostics.\u003c\/li\u003e\n\u003cli\u003eDo not assume hot-swap capability unless it is explicitly permitted by the applicable Yokogawa hardware documentation.\u003c\/li\u003e\n\u003cli\u003eVerify insulation and isolation requirements before connecting circuits with independent external power sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43671610622019,"sku":"SDV531-S23","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/SDV531-S23.png?v=1741329584","url":"https:\/\/www.plcdcspro.com\/th\/products\/yokogawa-sdv531-s23-functional-safety-digital-output-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}