{"product_id":"yokogawa-aat145-s03-centum-vp-analog-input-module","title":"Yokogawa AAT145-S03 CENTUM VP Analog Input Module","description":"\u003ch2\u003eYokogawa AAT145-S03 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-precision temperature and millivolt acquisition in CENTUM VP\/CS DCS platforms and FCN autonomous controllers, the \u003cstrong\u003eYokogawa AAT145-S03\u003c\/strong\u003e (\u003cstrong\u003eAAT145\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution. This hardware component interfaces directly with multiple thermocouple types and low-voltage analog sources, converting raw thermal and voltage signals into digital process values. The unit incorporates dedicated hardware-level electrical safeguards to maintain signal integrity across localized industrial instrument loops.\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\u003eAAT145-S03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003eThermocouples (Types J, K, E, B, R, S, T, N); mV (-100 to +150 mV \/ -20 to +80 mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Junction Compensation\u003c\/td\u003e\n\u003ctd\u003e+\/- 1 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Limit\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1000 Ohm (signal source + wiring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffect of Resistance\u003c\/td\u003e\n\u003ctd\u003e+\/- 20 uV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 40 uV (TC\/mV); RTD +\/- 150 mOhm; POT +\/- 0.2% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time \/ Update Period\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurn-out Detection\u003c\/td\u003e\n\u003ctd\u003eConfigurable (UP\/DOWN), detection time 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003e+\/- 80 uV \/ 10 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V AC (signal-to-system, 1 min); 200 V AC between channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e350 mA (5 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 127.2 x 32.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Connection\u003c\/td\u003e\n\u003ctd\u003eKS1\/KS8 cable (terminal block equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 conformal coating\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 Technical Attributes\u003c\/h3\u003e\n\u003cp\u003eThe module utilizes a dedicated 4-20 mA HART loop protocol architecture overlay alongside direct analog-to-digital processing paths. Channel-to-channel isolation is established at a hardware rating of 200 V AC, mitigating ground loop currents and suppressing common-mode electrical noise that induces measurement degradation. To ensure precision during thermal fluctuations, embedded cold junction compensation (CJC) circuits execute real-time drift stabilization at +\/- 1 deg C. The internal physical layout routes every channel through independent galvanic barriers, eliminating electrical cross-talk and protecting the system backplane bus from external field faults up to 500 V AC. Furthermore, the ISA G3 compliant conformal coating provides robust chemical resistance against airborne corrosive elements, guaranteeing continuous operation across harsh industrial environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the AAT145-S03 module be hot-swapped while the FCN or CENTUM backplane is energized?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping must comply strictly with Yokogawa system manual constraints. While the module architecture supports online replacement, the user must ensure that the specific node configuration is designated for high-availability hot-swap execution and that no transient open-circuit spikes are induced on adjacent channels during structural extraction.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle a physical sensor disconnection or wire break?\u003c\/p\u003e\n\u003cp\u003eA: The hardware features an integrated downscale or upscale burn-out detection mechanism. Upon detection of an open loop (source + wiring resistance exceeding 1000 Ohm), the module forces the channel data to a predefined full-scale fault limit within a maximum detection window of 60 seconds.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting and Alignment\u003c\/strong\u003e: Secure the module firmly onto the dedicated system slot of the FCN autonomous controller or CENTUM DCS node interface. Verify that the alignment pins engage cleanly without forcing the physical backplane connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Wiring\u003c\/strong\u003e: Connect field instrumentation using the standardized KS1 or KS8 interface cable assemblies. Maintain separation between signal cabling and high-voltage power lines to prevent electromagnetic induction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding\u003c\/strong\u003e: Terminate all external instrument cable shields at the designated instrumentation ground bar. Do not loop ground connections or allow multi-point shield grounding, as this generates destructive ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e: Maintain ambient operating conditions between -20 deg C and +70 deg C. Ensure the enclosure doors remain sealed to preserve the structural longevity provided by the ISA G3 conformal coating against corrosive gases.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43778101444698,"sku":"AAT145-S03","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/674._26e11403-9e7e-413b-8382-b2c1286700a9.jpg?v=1785724737","url":"https:\/\/www.spareoil.com\/es\/products\/yokogawa-aat145-s03-centum-vp-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}