{"product_id":"sdv531-s23-functional-safety-digital-output-module-yokogawa","title":"SDV531-S23 Functional Safety Digital Output Module | YOKOGAWA","description":"\u003cp\u003eConfigured for discrete field device actuation in ProSafe-RS safety instrumented system networks, the \u003cstrong\u003eYOKOGAWA SDV531-S23\u003c\/strong\u003e (\u003cstrong\u003eSDV531\u003c\/strong\u003e Digital Output Module) provides direct physical\/electrical execution. The hardware operates eight independent output paths to route commands directly to final control elements while enforcing physical isolation boundaries.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\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\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm x 18.1 cm x 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC input voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Outputs\u003c\/td\u003e\n\u003ctd\u003e8 Form A (NPN) outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e5.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Certification\u003c\/td\u003e\n\u003ctd\u003eSIL 2 Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS Safety Instrumented System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module employs galvanic channel-to-channel isolation parameters to prevent fault propagation across the hardware architecture. Optical and transformer isolation barriers isolate individual field-side 24 VDC loops from the internal processor logic. This circuit topology mitigates cross-talk between adjacent channels and prevents external electrical faults from disrupting the logic processing core of the ProSafe-RS platform.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the module support online hot-swap operations during safety system execution?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is permitted provided the corresponding logic loop is bypassed or placed in a manual safe state prior to extraction. The backplane connector prevents transient bus disruptions during insertion, but field-side load currents up to 5.5 A must be de-energized to prevent contact arcing at the terminal block.\u003c\/p\u003e\n\u003cp\u003eQ: How do the Form A (NPN) outputs behave during a loss of logic communication?\u003c\/p\u003e\n\u003cp\u003eA: Upon loss of backplane communication or internal processor fault, the internal logic executes a fail-safe shutdown routine, driving all 8 Form A outputs to their de-energized open state to isolate external control elements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Integration\u003c\/strong\u003e: Mount the module vertically into the designated ProSafe-RS slot, tightening the retention mechanisms to verify backplane bus engagement. Ensure the ambient temperature inside the enclosure remains within -40 to +70 deg C limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding and Cable Routing\u003c\/strong\u003e: All digital output field wiring must use shielded instrumentation cables. Field drain wires must be terminated exclusively at the cabinet single-point ground bar to block induced electromagnetic noise from altering safety diagnostics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive Load Suppression\u003c\/strong\u003e: For DC inductive final control elements connected to the 5.5 A channels, external suppression diodes must be wired directly across the load terminals to prevent back-EMF voltage transients from degrading the solid-state output circuits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53124023353653,"sku":"SDV531-S23","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SDV531-S23.png?v=1783933027","url":"https:\/\/www.5gplc.com\/products\/sdv531-s23-functional-safety-digital-output-module-yokogawa","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}