{"product_id":"yokogawa-aab841-s00-centum-vp-analog-input-output-module","title":"Yokogawa AAB841-S00 CENTUM VP Analog Input Output Module","description":"\u003ch2\u003eYokogawa AAB841-S00 Analog Input\/Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for simultaneous analog signal processing in CENTUM CS and CENTUM VP systems, the \u003cstrong\u003eYokogawa AAB841-S00\u003c\/strong\u003e (\u003cstrong\u003eAAB841\u003c\/strong\u003e Analog Input\/Output Module) provides direct physical\/electrical execution. This non-isolated standard-type module handles 8 channels of 1 to 5 V analog input alongside 8 channels of 4 to 20 mA analog output. Operating within Yokogawa Field I\/O subsystems, the unit converts field voltage variables for the DCS controller while simultaneously driving control valves and field actuators via current loops.\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 Segment\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eConfiguration Detail\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Model: AAB841\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog Input\/Output Module\u003c\/td\u003e\n\u003ctd\u003eCombined 8-channel input (1-5 V) \/ 8-channel output (4-20 mA) unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: -S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Type\u003c\/td\u003e\n\u003ctd\u003eNon-isolated hardware configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: 0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBasic Option\u003c\/td\u003e\n\u003ctd\u003eStandard functionality revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: 0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlways 0\u003c\/td\u003e\n\u003ctd\u003eFactory default code\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAAB841-S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e127 mm x 25 mm x 127 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard backplane power load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 channels (1 to 5 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 channels (4 to 20 mA DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-isolated (shared common reference across channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM CS and CENTUM VP Field I\/O systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10% to 90% 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 Protocol and Field Circuit Integrity\u003c\/h3\u003e\n\u003cp\u003eThe AAB841-S00 executes simultaneous loop management by combining voltage-sensing inputs and current-driving outputs on a single card edge. On the output side, 4-20 mA signals control final control elements, maintaining analog fidelity for HART loop protocol passthrough to field positioners. Because this module features a non-isolated architectural design, field wiring loops share a common electrical reference; external loop isolators or signal conditioners must be installed upstream when interfacing with ungrounded field transmitters to eliminate common-mode ground voltage shifts across adjacent I\/O channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the non-isolated architecture of the AAB841-S00 permit mixing different external power sources across field loops?\u003c\/p\u003e\n\u003cp\u003eA: No, because all channels share a common internal signal ground, connecting external power supplies with varying earth potentials will cause ground loop currents and degrade analog conversion accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 4 to 20 mA output loops be powered directly from the internal backplane supply?\u003c\/p\u003e\n\u003cp\u003eA: Output channels operate based on module-driven current loops, but field wiring impedance limits must be calculated to ensure total loop load resistance does not exceed the driver's voltage headroom.\u003c\/p\u003e\n\u003cp\u003eQ: How should unused input channels be configured during commissioning to prevent signal floating?\u003c\/p\u003e\n\u003cp\u003eA: Unused 1 to 5 V input channels must be shorted or tied to a stable reference voltage to prevent high-impedance floating inputs from injecting electrical noise onto adjacent active channels.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eWhen installing the Yokogawa AAB841-S00 module in control enclosures, follow these technical procedures:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the target rack node or ensure proper hot-swap safety clearance before inserting the module into its backplane slot.\u003c\/li\u003e\n\u003cli\u003eAlign the module card edges carefully with the slot guide rails and push firmly until the top and bottom mounting latches fully engage.\u003c\/li\u003e\n\u003cli\u003eRoute 1 to 5 V input wires and 4 to 20 mA output wires through separate field wiring ducts, keeping a minimum clearance of 300 mm from high-voltage AC lines.\u003c\/li\u003e\n\u003cli\u003eTerminate cable shields at a single dedicated earth ground bar in the cabinet to prevent stray noise coupling into the non-isolated channel commons.\u003c\/li\u003e\n\u003cli\u003eVerify that all field loops match the 1 to 5 V DC input or 4 to 20 mA DC output electrical ratings before applying signal power.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43855779627098,"sku":"AAB841-S00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/37._71ecd6e2-b4a0-4255-b8ca-e05de694334b.jpg?v=1786935543","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aab841-s00-centum-vp-analog-input-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}