{"product_id":"yokogawa-aai143-s50-analog-input-module-new-original-stock","title":"Yokogawa AAI143-S50 Analog Input Module | New \u0026 Original Stock","description":"\u003ch2\u003eYokogawa AAI143-S50\/K4S00 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI143-S50\/K4S00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAI143-S50\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for converting analog signals from field transmitters into digital values within CENTUM VP, CS3000, and ProSafe-RS FIO platforms.\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\u003eAAI143-S50\/K4S00 (Includes Suffix\/Option Variant Breakdown)\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\u003e2.0 kg (Total shipping weight package; module baseline ~0.3-0.4 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified (standard FIO form factor slot width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C (Standard environment envelope)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 mA @ 5 VDC, 540 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e16 Isolated Analog Input Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Input Envelopes\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC, 0-20 mA DC, 1-5 V DC, 0-10 V DC, +-10 V DC, TC, RTD, mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003eCurrent: 250 Ohm; Voltage: \u0026gt;=1 MOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Accuracy\u003c\/td\u003e\n\u003ctd\u003e+-0.1% of span (at 25 deg C), +-0.2% over full temperature range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Period\u003c\/td\u003e\n\u003ctd\u003e10 ms typical (Configurable up to 1 s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-system (Withstands 1500 VAC for 1 minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCold Junction Compensation\u003c\/td\u003e\n\u003ctd\u003eBuilt-in sensor, +-1 deg C accuracy for thermocouple inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Blocks\u003c\/td\u003e\n\u003ctd\u003e\/A4S00 Configuration matches Pressure Clamp Terminal Block (Model: ATA4S-00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Properties\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa AAI143-S50\/K4S00 implements full channel-to-channel isolation to block common-mode noise voltages and eliminate ground loops across field networks. Built-in cold junction compensation (CJC) routing provides automatic offset balancing for thermocouple input types, supporting sensor variations including K, J, E, T, R, S, B, N, WRe, and PLII without external reference modules. This specific S50 base processing engine does not process HART loop protocols natively, operating instead as a purely analog-to-digital signal conversion barrier with integrated wire-breakage and thermocouple open-circuit diagnostics.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does this specific S50 variant support HART passthrough communications to the asset management software?\u003c\/p\u003e\n\u003cp\u003eA: No, the AAI143-S50 architecture is standard type non-HART. Handheld calibrators or secondary modem links cannot extract digital HART sub-packets through this card. Digital instrument validation loops require the Alternative \"H\" suffix module (AAI143-H50).\u003c\/p\u003e\n\u003cp\u003eQ: What step must be performed regarding unassigned or unused channels on the termination block?\u003c\/p\u003e\n\u003cp\u003eA: Unused analog input channels must be shorted physically at the pressure clamp terminal connection or explicitly disabled in the system builder configuration tool. Leaving channels un-terminated can introduce stray electrostatic induction and display false open-circuit diagnostic codes.\u003c\/p\u003e\n\u003cp\u003eQ: How is power provided to external two-wire loop transmitters when utilizing this module?\u003c\/p\u003e\n\u003cp\u003eA: The AAI143-S50 serves as an isolated sink reader interface. External loop distribution power or dedicated powered terminal distribution boards must be integrated into the loop wire schedule to energize standard two-wire passive transmitters.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Assembly Interlocking:\u003c\/strong\u003e Secure the module into the active FIO backplane slot tracking. When optioned with the \/A4S00 code, fasten the ATA4S-00 pressure clamp terminal block using the integral retaining screws to ensure proper interface continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Infrastructure:\u003c\/strong\u003e Route individual instrument wires using twisted-pair, shielded cables. Connect the shield drain wire to the dedicated instrumentation terminal bus bar inside the cabinet housing; do not connect ground braids at both terminal ends to prevent induction paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Voltage Cable Separation:\u003c\/strong\u003e Segregate the low-level 4-20 mA, millivolt, and RTD sensor cables from high-current AC motor leads, relay control busways, or dynamic switching circuits to retain a high common-mode rejection ratio (CMRR).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Torque Enforcement:\u003c\/strong\u003e Verify that all field pressure clamp termination screws are secured to designated tight-torque ratings. Loose wire clamping can induce input resistance spikes, distorting the conversion accuracy metrics across the 10 ms update cycle.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43497686499418,"sku":"AAI143-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/349._b682d77c-bfda-44ba-9470-da8046bb3134.jpg?v=1781507507","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aai143-s50-analog-input-module-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}