{"product_id":"yokogawa-aai143-s53-centum-vp-16-channel-isolated-analog-input-module","title":"Yokogawa AAI143-S53 CENTUM VP 16-Channel Isolated Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AAI143-S53\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density, isolated analog input interface for the CENTUM VP Distributed Control System (DCS). This module captures 4 to 20 mA signals from 16 independent channels, providing the central controller with precise process telemetry. By utilizing full galvanic isolation between channels, it ensures signal integrity in complex electrical environments. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS53\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration specifically incorporates ISA Standard G3 conformal coating, enabling the hardware to withstand corrosive atmospheres. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original, ensuring peak performance for mission-critical control loops.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe AAI143-S53 utilizes a specific suffix logic to define its environmental resilience and safety configuration:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineering Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAAI143\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBase Model: 16-Channel Analog Input Module (Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard type hardware architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e5\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExplosion Protection: With no explosion protection (Standard safe-zone use)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProtection: ISA Standard G3 conformal coating and wide temperature range\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe AAI143-S53 delivers high-performance data acquisition with the following technical parameters:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Input Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16, fully isolated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Signal:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4 to 20 mA DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±16\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\mu$\u003c\/span\u003eA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Update Period:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWithstanding Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1500 V AC (Between input and system for 1 minute)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Resistance (Power ON):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e270\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\Omega$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eat 20 mA; 350\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\Omega$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eat 4 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Resistance (Power OFF):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\ge$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e500 k$\\Omega$\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmitter Power Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e19.0 V min (at 20 mA) to 25.5 V max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Limit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e25 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eISA Standard G3 compliant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New and Original\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe AAI143-S53 addresses critical integration and environmental challenges in harsh process industries:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Integrity Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1500 V AC galvanic isolation separates field-side inputs from the system backplane. This barrier prevents ground loop currents and high-voltage surges from damaging the central DCS processors, maintaining system uptime during field-side electrical faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosive Atmosphere Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe ISA Standard G3 conformal coating protects internal circuitry from \"creeping corrosion\" caused by Hydrogen Sulfide (\u003cspan class=\"math-inline\"\u003e$H_{2}S$\u003c\/span\u003e), Chlorine (\u003cspan class=\"math-inline\"\u003e$Cl_{2}$\u003c\/span\u003e), and high humidity. This makes the module essential for refineries, chemical plants, and wastewater treatment facilities where standard electronics fail prematurely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Control Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA 10 ms data update period ensures the DCS receives real-time telemetry. This high-speed processing supports fast-acting control loops, such as turbine speed or pressure regulation, where millisecond delays could compromise process stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Transmitter Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated power supply provides a minimum of 19.0 V at full loop current. This ensures sufficient voltage for 2-wire transmitters even across long cable runs with significant impedance, eliminating the need for external loop power boosters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the AAI143-S53 handle a failure in the field wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module includes a current limit of 25 mA and features a high-impedance state (\u003cspan class=\"math-inline\"\u003e$\\ge$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e500 k$\\Omega$) when powered off. This protects the internal circuitry from overcurrent and ensures that a fault on one channel does not propagate to the other 15 isolated channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace a standard AAI143-S00 with this S53 version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The AAI143-S53 acts as a \"drop-in\" high-specification replacement for the S00 variant. It offers identical electrical input characteristics while adding superior environmental protection (G3 coating). Simply verify that your specific system configuration does not require explosion protection (Suffix 5 indicates no explosion protection).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the isolated architecture in this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChannel-to-system isolation ensures that noise or electrical interference on the field side cannot enter the internal DCS logic. It also allows field sensors to reside at different ground potentials without causing the circulating currents that frequently corrupt data in non-isolated modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs any special software configuration required for the 10 ms update period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The AAI143-S53 hardware natively supports the 10 ms update period within the CENTUM VP environment. You simply configure the scan rate within the System View software to match your control requirements.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53297059692728,"sku":"AAI143-S53","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AAI143-S532_cc6b59d3-4d1e-46ad-85aa-61048ecaa4e2.jpg?v=1776159056","url":"https:\/\/www.globalpetroparts.com\/products\/yokogawa-aai143-s53-centum-vp-16-channel-isolated-analog-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}