{"product_id":"yokogawa-sav144-s63-centum-vp-16-channel-di-module","title":"Yokogawa SAV144-S63 CENTUM VP 16-Channel DI Module","description":"\u003ch2\u003eYokogawa SAV144-S63 CENTUM VP Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SAV144-S63\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eYokogawa SAV144\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for process monitoring within CENTUM VP and CENTUM CS control system platforms. The terminal infrastructure executes localized loop scanning and acquisition of physical no-voltage dry contact signals to transmit deterministic status updates directly to the central control processor backplane.\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\u003eSAV144-S63\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e81 x 103 x 146 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 75 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5 VDC plus\/minus 5% via system bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.5 A current draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eNo-voltage contact (Dry contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Resistance\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 1 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Resistance\u003c\/td\u003e\n\u003ctd\u003eGreater than or equal to 100 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resolution\u003c\/td\u003e\n\u003ctd\u003e16-bit equivalent processing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003eOptical and electrical isolation across input and system bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDistributed Control System Galvanic Isolation\u003c\/h3\u003e\n\u003cp\u003eThe electronic layout incorporates optical and electrical isolation boundaries across all 16 input channels to intercept external common-mode electrical noise before it accesses the system bus. The input detection circuits interface transparently alongside 4-20 mA HART loop protocol architectures, ensuring that high-voltage spikes, field ground loops, or accidental cross-wiring anomalies do not pass into adjacent processing modules. This internal galvanic isolation layer filters electrical transients and limits signal cross-talk to maintain accurate digital state evaluation for critical interlock and alarm parameters.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal controller handle active input channel states during a field wiring break?\u003c\/p\u003e\n\u003cp\u003eA: The hardware logic evaluates input impedance boundaries; when the loop electrical resistance breaks past the 100 kΩ threshold, the internal register establishes a definitive OFF state and sets diagnostic bits to flag an open-loop condition.\u003c\/p\u003e\n\u003cp\u003eQ: Can this specific input card interface directly with active, powered field switches?\u003c\/p\u003e\n\u003cp\u003eA: The hardware terminal paths are engineered exclusively for no-voltage dry contact operations. Connecting external active voltage sources will bypass the internal current-limiting components and risk damaging the channel optocouplers.\u003c\/p\u003e\n\u003cp\u003eQ: What cables are specified to bridge this module to its respective field terminal board?\u003c\/p\u003e\n\u003cp\u003eA: The module physical interface is designed to pair with AKB-series system cables, matching pin-to-pin mapping layouts to maintain signal isolation integrity down to the terminal terminal rail.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eChassis Insertion: Align the module with the dedicated slot guides of the CENTUM VP rack assembly. Firmly seat the module to ensure the multi-pin backplane connector engages completely, then tighten the faceplate screws to secure the unit against vibration.\u003c\/li\u003e\n\u003cli\u003eSignal Cable Shielding: Route all external dry contact field wiring through independent low-voltage trays separate from AC power links. Ground the cable shields at a single instrumentation clean earth bus point to prevent electromagnetic interference from distorting input states.\u003c\/li\u003e\n\u003cli\u003eGrounding Verification: Verify the cabinet structural chassis maintains a low-resistance path to the facility central ground bar. Resistance metrics must measure below 1 ohm to ensure transient voltage spikes drain safely away from the internal electronic components.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43767838376026,"sku":"SAV144-S63","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/697.jpg?v=1785467078","url":"https:\/\/www.spareoil.com\/products\/yokogawa-sav144-s63-centum-vp-16-channel-di-module","provider":"SpareOil Automation","version":"1.0","type":"link"}