{"product_id":"yokogawa-aai835-s50-analog-i-o-module-4-channel-input-4-channel-output","title":"Yokogawa AAI835-S50 | Analog I\/O Module | 4-Channel Input \/ 4-Channel Output","description":"\u003ch2\u003e\u003cstrong\u003eTechnical Product Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan class=\"citation-90\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eAAI835-S50\u003c\/strong\u003e\u003cspan class=\"citation-90 citation-end-90\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance, isolated Analog I\/O module designed for integration within Yokogawa’s CENTUM VP and ProSafe-RS control systems.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-89 citation-end-89\"\u003eThis hybrid module provides a space-efficient solution by combining four channels of analog input and four channels of analog output into a single slot, making it ideal for localized control loops where both sensing and actuation are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-88\"\u003eAs a standard, non-explosion-protected variant, the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eAAI835-S50\u003c\/strong\u003e\u003cspan class=\"citation-88 citation-end-88\"\u003e\u003cspan\u003e \u003c\/span\u003eutilizes full channel-to-channel isolation.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis electrical separation prevents ground loop interference and protects the system's internal 5V and 24V DC rails from field-side transients.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-87 citation-end-87\"\u003eThe module supports 4-20 mA signaling for both input and output stages, ensuring compatibility with a vast range of industrial transmitters and valve positioners.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetailed Engineering Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-86\"\u003e\u003c\/span\u003e\u003cstrong\u003eI\/O Configuration\u003c\/strong\u003e\u003cspan class=\"citation-86 citation-end-86\"\u003e: 4-Channel Input and 4-Channel Output (Combined)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-85\"\u003e\u003c\/span\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003cspan class=\"citation-85 citation-end-85\"\u003e: 4 to 20 mA DC (Both Input and Output)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-84\"\u003e\u003c\/span\u003e\u003cstrong\u003eIsolation Architecture\u003c\/strong\u003e\u003cspan class=\"citation-84 citation-end-84\"\u003e: Fully isolated channels (Channel-to-Channel and Channel-to-System)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-83\"\u003e\u003c\/span\u003e\u003cstrong\u003eModel Configuration\u003c\/strong\u003e\u003cspan class=\"citation-83\"\u003e:\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eAAI835-S50\u003c\/strong\u003e\u003cspan class=\"citation-83 citation-end-83\"\u003e\u003cspan\u003e \u003c\/span\u003e(Standard, Basic Type, No Explosion Protection)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-82\"\u003e\u003c\/span\u003e\u003cstrong\u003eCurrent Consumption (Internal)\u003c\/strong\u003e\u003cspan class=\"citation-82 citation-end-82\"\u003e: 360 mA @ 5 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-81\"\u003e\u003c\/span\u003e\u003cstrong\u003eCurrent Consumption (Field\/Load)\u003c\/strong\u003e\u003cspan class=\"citation-81 citation-end-81\"\u003e: 450 mA @ 24 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Interface Options\u003c\/strong\u003e: Pressure clamp terminals, MIL connector, or dedicated KS1 cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-80\"\u003e\u003c\/span\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003cspan class=\"citation-80 citation-end-80\"\u003e: 13.0 cm (H) x 3.3 cm (W) x 10.7 cm (L)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-79\"\u003e\u003c\/span\u003e\u003cstrong\u003eModule Weight\u003c\/strong\u003e\u003cspan class=\"citation-79 citation-end-79\"\u003e: 0.3 kg (0.66 lbs)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Integration\u003c\/strong\u003e: Compatible with Yokogawa I\/O units and field control stations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eHardware Connectivity and Reliability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI835-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered for high-availability environments.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-78 citation-end-78\"\u003eThe support for multiple connection types—ranging from traditional pressure clamps to high-density MIL connectors—allows for flexible cabinet internal wiring.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eFor mission-critical applications, the module's 24V DC field-side power management ensures stable loop power even under maximum load conditions across all eight channels simultaneously.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AAI835-S50 support HART communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-77\"\u003eStandard\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eAAI835-S50\u003c\/strong\u003e\u003cspan class=\"citation-77 citation-end-77\"\u003e\u003cspan\u003e \u003c\/span\u003emodules primarily handle 4-20 mA analog signals.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIf HART digital overlay communication is required for device diagnostics, the HART-compatible version (typically designated with a different suffix) should be verified for your specific system revision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of isolated channels in this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-76\"\u003eIsolation in the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eAAI835-S50\u003c\/strong\u003e\u003cspan class=\"citation-76 citation-end-76\"\u003e\u003cspan\u003e \u003c\/span\u003eensures that a fault or short circuit on one field loop does not propagate to the other seven channels or the central processor, significantly increasing the fault tolerance of the control loop.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52467763970357,"sku":"AAI835-S50","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/AAI841-H00K4A00_9cb5a61b-5659-481a-ba3e-86cbf68652c1.jpg?v=1774247082","url":"https:\/\/www.5gplc.com\/products\/yokogawa-aai835-s50-analog-i-o-module-4-channel-input-4-channel-output","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}