{"product_id":"sdv144-s33-s2-digital-input-module-yokogawa-prosafe-rs-sdv144","title":"SDV144-S33 S2 Digital Input Module Yokogawa ProSafe-RS SDV144","description":"\u003ch2\u003eYokogawa SDV144-S33 S2 Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SDV144-S33 S2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSDV144-S33\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for collecting dry-contact field signal states within ProSafe-RS safety instrumented systems and CENTUM VP automation architectures.\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\u003eSDV144-S33 S2 (Base Model: SDV144-S33)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSingapore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.36 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 30 x 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e290 mA max (5 VDC backplane), 140 mA max (24 VDC external)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels (module isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003eNo-voltage contact signals (ON \u0026lt;= 1 kOhm, OFF \u0026gt;= 100 kOhm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC +\/- 5% (200 mA current capacity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Voltage\u003c\/td\u003e\n\u003ctd\u003e30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2000 VAC for 1 minute (input-to-system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e40 ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control and Signal Isolation Features\u003c\/h3\u003e\n\u003cp\u003eThe SDV144-S33 S2 transfers binary contact states from field switches and relay contacts directly to the safety node unit backplane. Integrated galvanically isolated bus interface protection suppresses high-voltage common-mode transients up to 2000 VAC, protecting internal logic circuits against field wiring surges. Designed for high-integrity safety loops, the module supports dual-redundant pairing to execute continuous fail-safe state execution without interruption during module maintenance. Additionally, downstream signal integrity integrates optional SCB100 open-circuit and SCB110 short-circuit diagnostic termination blocks to continuously monitor field wiring loop continuity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the functional differences between style suffix revisions S1, S2, and S3 for the SDV144 module?\u003c\/p\u003e\n\u003cp\u003eA: Style suffix codes designate internal power supply component tolerances, circuit board layout revisions, and system bus driver compatibility levels. System engineers must verify that the replacement module style matches the existing rack backplane and station software revision.\u003c\/p\u003e\n\u003cp\u003eQ: Can the SDV144-S33 S2 operate in a dual-redundant safety input configuration?\u003c\/p\u003e\n\u003cp\u003eA: Engineers can deploy two SDV144-S33 S2 modules in adjacent slots on a dual-redundant safety node unit. The module bus hardware synchronizes contact state sampling across both units, allowing seamless online replacement of a faulted channel card without interrupting loop safety logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the SDV144-S33 S2 vertically into an authorized slot of a ProSafe-RS or CENTUM VP FIO node unit rack inside a NEMA or IP54 industrial enclosure. Connect external 24 VDC field wiring through a pressure clamp terminal block, MIL cable connector, or AKB331 dedicated signal cable adapter. Maintain separate wire troughs for field input signal wiring and high-voltage power distribution lines to prevent electromagnetic cross-talk. To maximize noise immunity across digital contact loops, engineers must isolate and float the 24 VDC field supply rather than referencing it to the local cabinet structural ground.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43787211047002,"sku":"SDV144-S33 S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/718..jpg?v=1785895524","url":"https:\/\/www.spareoil.com\/es\/products\/sdv144-s33-s2-digital-input-module-yokogawa-prosafe-rs-sdv144","provider":"SpareOil Automation","version":"1.0","type":"link"}