{"product_id":"yokogawa-sdv531-s23-d4a00-s3-digital-output-module","title":"Yokogawa SDV531-S23\/D4A00 S3 Digital Output Module","description":"\u003cp\u003eThe Yokogawa SDV531-S23\/D4A00 S3 is an 8-channel, 24 V DC digital output module for the ProSafe-RS safety control system. It converts output commands from the Safety Control Station (SCS) into discrete electrical signals for field devices. Its module-isolated output architecture separates the field output circuits from the system side, supporting discrete control of connected loads.\u003c\/p\u003e\n\u003ch3\u003eFunctional Description\u003c\/h3\u003e\n\u003cp\u003eThe SDV531 series provides 24 V DC digital outputs through eight channels. Each channel switches a discrete field signal according to the output data received from the safety control system. Typical connected loads include solenoid-operated devices and relay interfaces, subject to the module's electrical load specifications.\u003c\/p\u003e\n\u003cp\u003eThe module isolation separates the output signal circuits from the internal system circuitry. This arrangement helps limit the propagation of electrical disturbances between the field wiring and the control system.\u003c\/p\u003e\n\u003ch3\u003eOutput Characteristics and Protection\u003c\/h3\u003e\n\u003cp\u003eThe SDV531-S23 has a specific short-circuit response that distinguishes it from the SDV531-S13 version. When a short circuit occurs on the field side, the affected output channel switches OFF, while the other output channels are not described as being shut down by this channel-specific response.\u003c\/p\u003e\n\u003cp\u003eAfter the short-circuit condition is cleared, the affected channel requires an Output Enable Operation. Until this operation is performed, the channel maintains its configured fail-safe output value. This behavior is important when checking application logic and recovery procedures in an existing ProSafe-RS installation.\u003c\/p\u003e\n\u003ch3\u003eTechnical 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\/D4A00 S3\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Format\u003c\/td\u003e\n\u003ctd\u003eCurrent source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Current\u003c\/td\u003e\n\u003ctd\u003e0.6 A per output line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Output Current\u003c\/td\u003e\n\u003ctd\u003e4.8 A\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\u003eLoad Resistance Range\u003c\/td\u003e\n\u003ctd\u003e40 to 685 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e1 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Leakage Current\u003c\/td\u003e\n\u003ctd\u003e1.6 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Response Time\u003c\/td\u003e\n\u003ctd\u003e30 ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 V DC, +20% \/ -10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power Supply Capacity\u003c\/td\u003e\n\u003ctd\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Isolation\u003c\/td\u003e\n\u003ctd\u003eOutput signal lines to system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kV AC for 1 minute (specified test configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Current Consumption\u003c\/td\u003e\n\u003ctd\u003e280 mA maximum at 5 V DC; 140 mA maximum at 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 107.5 x 32.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eField Connection and Installation\u003c\/h3\u003e\n\u003cp\u003eThe SDV531 supports different field connection arrangements depending on the terminal and cable configuration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePressure-clamp terminal connection.\u003c\/li\u003e\n\u003cli\u003eMIL cable connection.\u003c\/li\u003e\n\u003cli\u003eDedicated signal cable connection using the applicable interface arrangement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe external 24 V DC supply powers the field output circuits. When selecting the field wiring, account for cable resistance, terminal-board resistance and the resulting voltage drop. Yokogawa specifies a maximum output voltage drop of 1 V, so the voltage available at the field load must be considered when checking the operating conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What happens when an output channel experiences a field-side short circuit?\u003c\/p\u003e\n\u003cp\u003eA: For the SDV531-S23, the affected channel switches OFF rather than shutting down all eight output channels. Once the fault is cleared, an Output Enable Operation is required to restore the channel to its application logic output.\u003c\/p\u003e\n\u003cp\u003eQ: What external power supply does the SDV531-S23 require?\u003c\/p\u003e\n\u003cp\u003eA: The module uses an external 24 V DC field supply with a permitted range of +20% \/ -10%. The specified supply capacity is 5 A, based on the rated load requirements.\u003c\/p\u003e\n\u003cp\u003eQ: Can the SDV531-S23 directly drive field devices?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Its current-source outputs provide discrete 24 V DC signals for compatible field loads. Each output line must remain within the specified current and load-resistance limits, including load inrush current and field wiring resistance.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":69286531006706,"sku":"SDV531-S23\/D4A00 S3","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/5589\/5794\/files\/SDV531-S23D4A00S3.jpg?v=1794382678","url":"https:\/\/www.petrospare.com\/products\/yokogawa-sdv531-s23-d4a00-s3-digital-output-module","provider":"Petro Spare Industrial Limited","version":"1.0","type":"link"}