{"product_id":"yokogawa-aab841-s50-s2-centum-vp-16-channel-analog-input-module","title":"Yokogawa AAB841-S50 S2 CENTUM VP 16-Channel Analog Input Module","description":"\u003ch2\u003eYokogawa AAB841-S50 S2 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for analog signal acquisition and process variable monitoring in CENTUM VP networks, the \u003cstrong\u003eYokogawa AAB841-S50 S2\u003c\/strong\u003e (\u003cstrong\u003eAAB841\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode Suffix\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption \/ Configuration\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAAB841\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module for field transmitter signal acquisition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-S50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModule Configuration\u003c\/td\u003e\n\u003ctd\u003eStandard 16-channel isolated analog processing unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRevision \/ Option\u003c\/td\u003e\n\u003ctd\u003eEnhanced diagnostic and safety compliance version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eAAB841-S50 S2\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 mm x 107.5 mm x 32.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.3 A at 24 VDC backplane supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channel Count\u003c\/td\u003e\n\u003ctd\u003e16 analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Signal Ranges\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC, 1-5 VDC (software configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 ohms minimum (current input), 1 Mohm minimum (voltage input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Barrier\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-ground galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e100 ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Processing \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe AAB841-S50 S2 processes 16 isolated analog input channels to interface pressure, temperature, and flow transmitters directly into CENTUM VP controller nodes. Integrating individual channel-to-channel optical galvanic isolation, the module eliminates ground loop interference and prevents field noise propagation across adjacent channels. Onboard circuit diagnostic routines monitor each loop continuously for open-circuit field wiring, out-of-range signal limits, and loop power drops. Precision signal conditioning maintains a +\/-0.1% full-scale accuracy threshold across standard 4-20 mA HART and 1-5 VDC input paths, ensuring steady loop feedback during continuous process operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AAB841-S50 S2 support hot-swapping inside an active CENTUM VP node?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module supports online hot-replacement within compatible Yokogawa I\/O racks, allowing technicians to swap hardware without interrupting power or signal processing on adjacent rack modules.\u003c\/p\u003e\n\u003cp\u003eQ: What diagnostic conditions cause the AAB841-S50 S2 channel fault indicator to trip?\u003c\/p\u003e\n\u003cp\u003eA: Channel fault logic trips upon detecting open field loop wiring, input signal levels falling below 3.8 mA (or rising above 20.5 mA), or when a hardware AD conversion failure occurs on that specific channel.\u003c\/p\u003e\n\u003cp\u003eQ: How does the S2 revision code impact module functionality compared to standard revisions?\u003c\/p\u003e\n\u003cp\u003eA: The S2 suffix designates an enhanced diagnostic hardware build that provides additional internal self-testing routines and elevated safety compliance standards required for integrated DCS\/SIS safety instrumented loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eSlide the AAB841-S50 S2 vertically into the designated I\/O slot of the node unit, verifying that the backplane bus connector fully seats before tightening the top and bottom panel locking screws. Connect field wiring through standard Yokogawa signal terminal blocks or KS connector interface cables, ensuring 4-20 mA current loops maintain an input impedance load of at least 250 ohms. Fasten cable shielding directly to the cabinet protective earth grounding bar using low-impedance grounding clamps. Keep ambient panel conditions within -10 deg C to 60 deg C with relative humidity non-condensing below 95%.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43843689087066,"sku":"AAB841-S50 S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/814.jpg?v=1786679710","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aab841-s50-s2-centum-vp-16-channel-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}