{"product_id":"aai835-s50-yokogawa-centum-vp-analog-i-o-module","title":"AAI835-S50 | Yokogawa CENTUM VP Analog I\/O Module","description":"\u003ch3\u003eProduct Summary\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI835-S50\u003c\/strong\u003e is a \u003cstrong\u003e4-20mA Analog Input\/Output Module\u003c\/strong\u003e for the Yokogawa CENTUM VP \/ CS 3000 distributed control system (DCS). It provides \u003cstrong\u003e4 isolated 4-20mA analog input channels\u003c\/strong\u003e and \u003cstrong\u003e4 isolated 4-20mA analog output channels\u003c\/strong\u003e in a single module, enabling bidirectional process variable acquisition and control output in compact I\/O configurations. The \u003cstrong\u003e-S50\u003c\/strong\u003e configuration includes the standard module with the \u003cstrong\u003eATK4A-00 KS cable interface adapter\u003c\/strong\u003e for connection to terminal boards via KS cables.\u003c\/p\u003e\n\n\u003ch3\u003eCore Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e AAI835-S50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 4-20mA Analog Input\/Output Module (4 Inputs + 4 Outputs, Isolated Channels)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Channels:\u003c\/strong\u003e 4 isolated 4-20mA inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Channels:\u003c\/strong\u003e 4 isolated 4-20mA outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Signal:\u003c\/strong\u003e 4–20 mA DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e 4–20 mA DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAllowable Input Current:\u003c\/strong\u003e 25 mA maximum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAllowable Output Load:\u003c\/strong\u003e 0–750 Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Accuracy:\u003c\/strong\u003e ±16 µA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Accuracy:\u003c\/strong\u003e ±16 µA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 16-bit (both input and output)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Update Period:\u003c\/strong\u003e 10 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Drift:\u003c\/strong\u003e ±16 µA\/10°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmitter Power Supply:\u003c\/strong\u003e 15.0 V or higher (at 20 mA); 29.3 V or less (at 0 mA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e 360 mA (5 V DC); 450 mA (24 V DC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (L × W × H):\u003c\/strong\u003e 107 × 130 × 33 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.3 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Yokogawa Electric Corporation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Functional Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Isolation:\u003c\/strong\u003e Individual channel isolation prevents ground loops and cross-interference between field devices; isolated between field and system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Redundant Configuration:\u003c\/strong\u003e Can be used in dual-redundant I\/O configuration for high-availability applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmitter Power Supply:\u003c\/strong\u003e Built-in 24V loop power supply for 2-wire input transmitters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Protection:\u003c\/strong\u003e Overcurrent and overvoltage protection on each output channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Protection:\u003c\/strong\u003e Overcurrent protection up to 25 mA per input channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Conditioning:\u003c\/strong\u003e Built-in filtering and linearization for stable process variable readings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e Module status LEDs for power, communication, and channel health\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHot Swappable:\u003c\/strong\u003e Supports online replacement without system shutdown (when configured)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSystem Integration \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Platform:\u003c\/strong\u003e Yokogawa CENTUM VP \/ CS 3000 DCS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e FCS (Field Control Station) node unit or I\/O expansion rack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Vnet\/IP or Vnet bus connection to FCS controller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Configured via CENTUM VP Engineering Station (EWS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Connection:\u003c\/strong\u003e ATK4A-00 KS cable interface adapter (included with -S50 suffix); KS cable to terminal board; MIL connector cable; pressure clamp terminal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Terminal Boards:\u003c\/strong\u003e AEA8D (for mixed input\/output, selectable 2-wire\/4-wire)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelated Modules:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eAAI835-H00 — HART communication type, non-explosion proof, basic type\u003c\/li\u003e\n      \u003cli\u003eAAI835-H50 — HART communication type, non-explosion proof, basic type, with ATK4A-00\u003c\/li\u003e\n      \u003cli\u003eAAI835-S00 — Standard type, non-explosion proof, basic type\u003c\/li\u003e\n      \u003cli\u003eAAI835-S50 — Standard type, non-explosion proof, basic type, with ATK4A-00 (this part)\u003c\/li\u003e\n      \u003cli\u003eAAI835-S53 — Standard type, non-explosion proof, with ISA G3 + temperature (-20 to 70°C) option, with ATK4A-00\u003c\/li\u003e\n      \u003cli\u003eAAI135 — 4-20mA analog input module (8-channel, isolated)\u003c\/li\u003e\n      \u003cli\u003eAAV144 — 1-5V analog input module (16-channel, non-isolated)\u003c\/li\u003e\n      \u003cli\u003eAAV542 — 1-5V analog output module (16-channel, non-isolated)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Operational Limits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 50°C (32°F to 122°F) (basic type); -20°C to 70°C with option code 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -20°C to +70°C (-4°F to 158°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 10% to 90% RH, non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration:\u003c\/strong\u003e Compliant with IEC 60068-2-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock:\u003c\/strong\u003e Compliant with IEC 60068-2-27\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e CE, UL, CSA (depending on region and certification)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cp\u003eWidely deployed in oil \u0026amp; gas refining, petrochemical processing, power generation, water\/wastewater treatment, pharmaceutical manufacturing, food \u0026amp; beverage, and pulp \u0026amp; paper industries where compact combined analog input\/output with individual channel isolation is required for process control loops, PID control, and cascade control applications.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is the AAI835-S50 used for?\u003c\/h4\u003e\n\u003cp\u003eIt is a 4-input + 4-output 4-20mA analog I\/O module for Yokogawa CENTUM VP \/ CS 3000 DCS systems, providing bidirectional process variable acquisition and control output with individual channel isolation.\u003c\/p\u003e\n\n\u003ch4\u003eWhat does the -S50 suffix mean?\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e-S\u003c\/strong\u003e = Standard type (non-HART); \u003cstrong\u003e5\u003c\/strong\u003e = Non-explosion proof; \u003cstrong\u003e0\u003c\/strong\u003e = Basic type; \u003cstrong\u003e\/K4A00\u003c\/strong\u003e (implied by -50) = With ATK4A-00 KS cable interface adapter included.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between AAI835-S00 and AAI835-S50?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eAAI835-S00\u003c\/strong\u003e is the basic module \u003cstrong\u003ewithout\u003c\/strong\u003e the ATK4A-00 adapter. The \u003cstrong\u003eAAI835-S50\u003c\/strong\u003e includes the \u003cstrong\u003eATK4A-00 KS cable interface adapter\u003c\/strong\u003e for connection to terminal boards via KS cables.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between AAI835-S50 and AAI835-H50?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eAAI835-S50\u003c\/strong\u003e is the \u003cstrong\u003estandard\u003c\/strong\u003e type without HART communication. The \u003cstrong\u003eAAI835-H50\u003c\/strong\u003e includes \u003cstrong\u003eHART digital communication\u003c\/strong\u003e capability for smart transmitter configuration and diagnostics on input channels.\u003c\/p\u003e\n\n\u003ch4\u003eCan this module support dual-redundant configuration?\u003c\/h4\u003e\n\u003cp\u003eYes — the AAI835 series supports \u003cstrong\u003edual-redundant I\/O configuration\u003c\/strong\u003e when paired with dual-redundant terminal boards and appropriate system configuration.\u003c\/p\u003e\n\n\u003ch4\u003eWhat terminal board do I need?\u003c\/h4\u003e\n\u003cp\u003eUse \u003cstrong\u003eAEA8D\u003c\/strong\u003e terminal board for mixed input\/output with selectable 2-wire\/4-wire configuration per channel. The KS cable (model KS1) connects the included ATK4A-00 adapter to the terminal board.\u003c\/p\u003e\n\n\u003ch4\u003eWhat are the related part numbers?\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAAI835-H00 — HART type, non-explosion proof, basic type\u003c\/li\u003e\n  \u003cli\u003eAAI835-H50 — HART type, non-explosion proof, basic type, with ATK4A-00\u003c\/li\u003e\n  \u003cli\u003eAAI835-S00 — Standard type, non-explosion proof, basic type\u003c\/li\u003e\n  \u003cli\u003eAAI835-S50 — Standard type, non-explosion proof, basic type, with ATK4A-00 (this part)\u003c\/li\u003e\n  \u003cli\u003eAAI835-S53 — Standard type, non-explosion proof, G3 + temp option, with ATK4A-00\u003c\/li\u003e\n  \u003cli\u003eAAI135 — 4-20mA analog input module (8-channel, isolated)\u003c\/li\u003e\n  \u003cli\u003eAAV144 — 1-5V analog input module (16-channel, non-isolated)\u003c\/li\u003e\n  \u003cli\u003eATK4A-00 — KS cable interface adapter (included with -S50)\u003c\/li\u003e\n  \u003cli\u003eAEA8D — Terminal board for mixed analog I\/O\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53684277346488,"sku":"AAI835-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AAI835-S50.png?v=1782974521","url":"https:\/\/www.globalpetroparts.com\/products\/aai835-s50-yokogawa-centum-vp-analog-i-o-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}