{"product_id":"digital-input-module-yokogawa-sdv144-s63-s4-prosafe-rs","title":"Digital Input Module | Yokogawa SDV144-S63 S4 ProSafe-RS","description":"\u003ch2\u003eYokogawa SDV144-S63 S4 Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SDV144-S63\/PRP S4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSDV144\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for 24 VDC signal acquisition within ProSafe-RS and CENTUM VP platforms. It receives input signals from field switches, sensors, and relays, converting physical state inputs into internal logical data. Designed with dual-redundancy capabilities, the unit ensures continuous operation across distributed control and safety instrumented architectures without signal interruption.\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-S63\/PRP S4\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\u003e0.5 kg (0.36 - 0.41 kg module base)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e81 mm x 103 mm x 146 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 300 mA (5 VDC), 150 mA (24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC +\/- 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003eApprox. 6 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Threshold\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 15 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Threshold\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Permissible Input Voltage\u003c\/td\u003e\n\u003ctd\u003e30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Response Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC between input and system for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Support\u003c\/td\u003e\n\u003ctd\u003eCompatible with SCB modules for open\/short circuit detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSignal Galvanic Isolation and DCS Bus Architecture\u003c\/h3\u003e\n\u003cp\u003eYokogawa DCS and safety systems require strict isolation barriers to prevent cross-channel contamination and ground loop current spikes. The SDV144 module provides 1500 VAC galvanic isolation between the field input terminals and the internal system backplane. Channel-to-channel isolation design prevents localized field electrical faults from propagating across adjacent channels or affecting the system processing units.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the module support online module replacement (hot-swapping) during active control logic execution?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the SDV144 module supports online hot-swapping when installed in a dual-redundant configuration, allowing module replacement without disrupting active control processing or safety loop execution.\u003c\/p\u003e\n\u003cp\u003eQ: What cable connection options are compatible with the SDV144 input terminals?\u003c\/p\u003e\n\u003cp\u003eA: The module supports direct pressure clamp terminal blocks, MIL cable interfaces, and dedicated signal cable adapters for system cabinet integration.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit detect open-circuit or short-circuit conditions on input lines?\u003c\/p\u003e\n\u003cp\u003eA: Line monitoring is achieved by integrating optional Signal Conditioner Block (SCB) modules, which evaluate loop resistance variations to signal fault diagnostics to the host controller.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the system power supply is disconnected or redundant module pair is active prior to physical insertion or removal.\u003c\/li\u003e\n\u003cli\u003eAlign module guide rails with the rack slot and press firmly until the locking mechanism engages completely.\u003c\/li\u003e\n\u003cli\u003eRoute field wiring separately from high-voltage AC cables to minimize electromagnetic interference across signal pairs.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields directly to the designated cabinet earth ground bar with short, low-impedance grounding straps.\u003c\/li\u003e\n\u003cli\u003eVerify that external loop power supplies remain ungrounded (floating) to maximize common-mode noise rejection.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43787214782554,"sku":"SDV144-S63 S4","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/719.jpg?v=1785896136","url":"https:\/\/www.spareoil.com\/ar\/products\/digital-input-module-yokogawa-sdv144-s63-s4-prosafe-rs","provider":"SpareOil Automation","version":"1.0","type":"link"}