{"product_id":"yokogawa-aai841-h00-k4a00-centum-vp-analog-i-o-module","title":"Yokogawa AAI841-H00\/K4A00 CENTUM VP Analog I\/O Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AAI841-H00\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-performance, multi-channel analog interface for the CENTUM VP Distributed Control System (DCS). This module combines 8-channel input and 8-channel output capabilities into a single, isolated unit, optimizing rack space and system architecture. By supporting digital communication via the HART protocol, it bridges field intelligence with control room logic. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, ensuring seamless integration into your critical process automation loops.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix\/Option Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFunctional Impact\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAAI841\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBase Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog I\/O Module (8-channel Input \/ 8-channel Output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-H\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHART Support\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEnables bidirectional digital communication with smart field instruments\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard functional configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo Explosion Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard environmental specification\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e\/K4A00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInterface Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncludes ATK4A-00 KS Cable Interface Adapter for high-density wiring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe AAI841-H00\/K4A00 utilizes precise hardware parameters to maintain signal purity:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 channels, 4 to 20 mA DC, isolated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 channels, 4 to 20 mA DC, isolated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHART Communication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuperimposed digital signal on 4-20 mA loops (Inputs and Outputs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e250 Ω (during power-on).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAllowable Load Resistance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 750 Ω (for outputs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±0.1% of span for both inputs and outputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Update Period:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 ms (High-speed processing).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWithstanding Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1500 V AC between field signals and system logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eKS Cable connection via the integrated \/K4A00 adapter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Cabinet Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis \"Combo\" I\/O design handles both sensing and actuation in a single slot. It effectively halves the required hardware for small-scale loops, making it an ideal solution for retrofitting crowded cabinets where DIN-rail space remains at a premium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Marshalling with KS Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eadapter eliminates the need for labor-intensive, point-to-point screw terminal wiring. Engineers connect the entire 16-signal block (8 In\/8 Out) using a single KS cable. This method slashes commissioning time and prevents human errors during the \"wiring-out\" phase.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Device Asset Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe HART-enabled circuitry allows the DCS to retrieve diagnostic alerts, secondary variables, and configuration data from smart transmitters and positioners. This enables predictive maintenance strategies, as the module identifies failing field hardware before a process trip occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach I\/O channel features galvanic isolation. This architecture blocks common-mode noise and ground loops that frequently plague industrial sites with heavy motor loads or poor grounding, ensuring stable 4-20 mA signal transmission in electromagnetically noisy environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AAI841-H00\/K4A00 support redundant configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You can install the AAI841 in a dual-redundant configuration within the CENTUM VP I\/O nest. The system automatically manages the switch-over logic to ensure continuous process control if one module detects an internal hardware fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary benefit of the \/K4A00 option?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \/K4A00 code indicates the module comes pre-fitted with the ATK4A-00 interface adapter. This allows you to use standard Yokogawa KS cables to connect the module to a terminal board (like the AEA4D), which simplifies cable management and reduces cabinet clutter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module with 2-wire transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. The input channels support standard 2-wire (loop-powered) transmitters. Ensure your external power distribution or terminal board setup aligns with the module's 24 V DC supply requirements for the field side.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this is a brand new unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery unit we ship remains in its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoriginal Yokogawa factory packaging\u003c\/strong\u003e. The box includes the original serial numbers and factory inspection seals, guaranteeing the hardware has never seen service in a plant or been refurbished.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53439043764408,"sku":"AAI841-H00\/K4A00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AAI841-S00_9ca67254-b767-47ee-9ebb-fbadc2090aac.jpg?v=1778058483","url":"https:\/\/www.globalpetroparts.com\/products\/yokogawa-aai841-h00-k4a00-centum-vp-analog-i-o-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}