{"product_id":"aai143-s50-a4s00-isolated-analog-input-module-yokogawa","title":"AAI143-S50\/A4S00 Isolated Analog Input Module Yokogawa","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI143-S50\/A4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol system. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 fully isolated 4–20 mA input channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant configurations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor high-availability applications.\u003cbr\u003eA key feature is the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintegrated transmitter power supply\u003c\/strong\u003e, which supports both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-wire and 4-wire field instruments\u003c\/strong\u003e. The input mode is selected via\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephysical setting pins\u003c\/strong\u003e, allowing flexible field configuration without external power supplies.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 channels, isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance (Power ON)\u003c\/td\u003e\n\u003ctd\u003e270 Ω @ 20 mA to 350 Ω @ 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance (Power OFF)\u003c\/td\u003e\n\u003ctd\u003e≥500 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Power (2-wire)\u003c\/td\u003e\n\u003ctd\u003e≥19.0 V @ 20 mA; ≤25.5 V @ 0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Limit\u003c\/td\u003e\n\u003ctd\u003e25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e±16 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e1500 V AC (input to system), 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003e±16 μA per 10 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 mA @ 5 V DC; 540 mA @ 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Weight\u003c\/td\u003e\n\u003ctd\u003e 0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe AAI143-S50\/A4S00 is well suited for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecritical process loops\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoil \u0026amp; gas\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003echemical\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epetrochemical\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplants where\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esignal isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis essential to eliminate ground loops and electrical noise.\u003cbr\u003eIts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebuilt-in transmitter power supply\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esimplifies wiring for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-wire transmitters\u003c\/strong\u003e, reducing cabinet complexity and eliminating the need for external power distribution hardware.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module support redundant operation?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The AAI143-S50\/A4S00 supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant installation\u003c\/strong\u003e, allowing two modules to operate in parallel for high-availability systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is the 2-wire \/ 4-wire transmitter mode selected?\u003c\/strong\u003e\u003cbr\u003eA: The mode is set using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephysical configuration pins\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon the module. Proper pin placement enables or disables the internal\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 V transmitter power supply\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the \/A4S00 suffix indicate?\u003c\/strong\u003e\u003cbr\u003eA: The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\/A4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuffix specifies the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eterminal block \/ interface configuration\u003c\/strong\u003e, ensuring compatibility with standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epressure clamp terminal arrangements\u003c\/strong\u003e.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51664569631032,"sku":"AAI143-S50\/A4S00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI143-S50A4S00.jpg?v=1769478346","url":"https:\/\/www.automodulexpert.com\/products\/aai143-s50-a4s00-isolated-analog-input-module-yokogawa","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}