{"product_id":"yokogawa-aai835-s50-centum-vp-analog-i-o-module","title":"Yokogawa AAI835-S50 CENTUM VP Analog I\/O Module","description":"\u003ch2\u003eYokogawa AAI835-S50 Analog I\/O Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI835-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAI835\u003c\/strong\u003e Analog I\/O Module, operates as a dedicated hardware component for 4-channel input and 4-channel output 4-20 mA DC signal processing within Yokogawa CENTUM VP and FIO networks.\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\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAAI835\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eAnalog I\/O Module (4 to 20 mA, 4-channel input \/ 4-channel output, Isolated channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType Code\u003c\/td\u003e\n\u003ctd\u003eStandard Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardware Option\u003c\/td\u003e\n\u003ctd\u003eWith no explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnvironmental Option\u003c\/td\u003e\n\u003ctd\u003eBasic Type\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\u003eAAI835-S50\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\u003eStandard Manufacturer Sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa FIO Module Dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 360 mA at 5 VDC, 450 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Configuration\u003c\/td\u003e\n\u003ctd\u003e4 channels, individually isolated (4 to 20 mA DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Configuration\u003c\/td\u003e\n\u003ctd\u003e4 channels, individually isolated (4 to 20 mA DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-16 uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-48 uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Output Load\u003c\/td\u003e\n\u003ctd\u003e0 to 750 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Period\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003e+\/-16 uA per 10 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Power Supply\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 15.0 VDC at 20 mA, \u0026lt;= 29.3 VDC at 0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e500 VAC for 1 minute (I\/O to system, channel to channel)\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\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates channel-to-channel individual isolation circuits that provide 500 VAC dielectric protection across all input and output loops, preventing ground loops and common-mode voltage offsets from destabilizing signal conversion. Internal power distribution feeds integrated loop power to 2-wire transmitters, delivering a minimum terminal voltage of 15.0 VDC at 20 mA full scale. Dynamic hardware logic scans active input and output channels across a 10 ms data update cycle, maintaining output current regulation across driving loads up to 750 ohm in single or dual-redundant Field Control Station (FCS) architectures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How are 2-wire and 4-wire field transmitters configured on the input channels of the AAI835-S50?\u003c\/p\u003e\n\u003cp\u003eA: Selection between 2-wire transmitter power supply and 4-wire unpowered current loops is configured using onboard setting pins located on the module circuit assembly prior to slot installation.\u003c\/p\u003e\n\u003cp\u003eQ: What dielectric isolation rating is maintained between individual I\/O channels?\u003c\/p\u003e\n\u003cp\u003eA: Internal galvanic barriers provide 500 VAC dielectric withstand capability for 1 minute between individual I\/O channels, as well as between field terminals and the system backplane bus.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAlign the module guide card with the slot rails of the designated FIO node chassis and slide the unit inward until the backplane connector engages completely. Tighten top and bottom panel captive mounting screws to establish physical retention and cabinet ground continuity.\u003c\/p\u003e\n\u003cp\u003eConnect field instrumentation wiring using twisted shielded pairs to prevent noise coupling. Verify that total loop resistance on the output channels remains within the 0 to 750 ohm operating limit. Terminate signal cable shielding at a single grounding bar within the control cabinet to maintain channel isolation integrity.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67662709096547,"sku":"AAI835","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/234._b6474396-6c85-4a46-8f50-0a3b7d71e081.jpg?v=1791424126","url":"https:\/\/www.autocontrolglobal.com\/products\/yokogawa-aai835-s50-centum-vp-analog-i-o-module","provider":"AutoControl Global","version":"1.0","type":"link"}