{"product_id":"digital-input-module-yokogawa-sav144-s6","title":"Digital Input Module | Yokogawa SAV144-S6","description":"\u003ch2\u003eYokogawa SAV144-S63 Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SAV144-S63\u003c\/strong\u003e also cataloged as the \u003cstrong\u003eSAV144\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for acquisition of no-voltage contact signals within CENTUM CS and CENTUM VP control system architectures. The module converts 16-channel discrete field contact states into system-recognizable digital input data via isolated internal scanning circuitry.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAV144\u003c\/strong\u003e: Base module family identifier for digital input processing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS63\u003c\/strong\u003e: Hardware configuration variant defining channel grouping and termination style within CENTUM I\/O architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa SAV144-S63\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\u003eApprox. 0.41 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 cm x 12.7 cm x 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC: 290 mA max, 24 VDC: 140 mA max\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\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eNo-voltage contact input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e6 mA ±20 percent (external 24 VDC supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Voltage\u003c\/td\u003e\n\u003ctd\u003e30 VDC instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 100 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kVAC for 1 minute (input to 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 Architecture (CENTUM I\/O Behavior)\u003c\/h3\u003e\n\u003cp\u003eThe SAV144-S63 implements isolated input scanning per channel group within Yokogawa CENTUM VP I\/O backplane architecture. Each input channel is electrically separated to reduce cross-coupling effects between field wiring loops and internal logic sampling circuits. The backplane communication layer performs cyclic polling with deterministic scan timing, ensuring consistent state acquisition across all 16 digital input points under mixed load switching conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the SAV144-S63 support hot-swap replacement under powered backplane conditions?\u003c\/strong\u003e\u003cbr\u003eA: Module replacement is typically constrained by system configuration. Backplane power integrity and rack-specific I\/O redundancy design determine whether removal under power is permitted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the functional impact of ON\/OFF resistance thresholds in field contact monitoring?\u003c\/strong\u003e\u003cbr\u003eA: The ON resistance threshold (\u0026lt;= 1 kOhm) defines valid contact closure detection, while OFF resistance (\u0026gt;= 100 kOhm) ensures leakage immunity during open-contact state evaluation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is channel isolation maintained during simultaneous input switching?\u003c\/strong\u003e\u003cbr\u003eA: Isolation is enforced via internal channel separation and backplane sampling segmentation, preventing transient coupling during concurrent state transitions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain separation between signal cables and power conductors to minimize induced noise on dry contact loops\u003c\/li\u003e\n\u003cli\u003eEnsure proper termination using specified MIL cable or pressure clamp terminals to avoid contact resistance drift\u003c\/li\u003e\n\u003cli\u003eVerify external 24 VDC supply stability within specified tolerance before energizing input loops\u003c\/li\u003e\n\u003cli\u003eGround shielded cable at a single-point earth reference to prevent ground loop currents across I\/O racks\u003c\/li\u003e\n\u003cli\u003eAvoid exceeding 30 VDC instantaneous input conditions on any channel to prevent input stage stress\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44220003287128,"sku":"SAV144-S63","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SAV144-S63-2.jpg?v=1781149798","url":"https:\/\/www.industriaxplc.com\/products\/digital-input-module-yokogawa-sav144-s6","provider":"IndustriaX Limited","version":"1.0","type":"link"}