{"product_id":"aai135-s00-k4a00-yokogawa-centum-vp-isolated-current-input-module","title":"AAI135-S00\/K4A00 | Yokogawa CENTUM VP Isolated Current Input Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AAI135-S00\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a reliable 16-channel isolated current input interface for the CENTUM VP and CS 3000 integrated production control systems. This module captures standard 4 to 20 mA DC signals from field transmitters, providing the essential data link for process monitoring and automated control loops. By utilizing high-speed signal processing and robust channel-to-system isolation, it maintains precise data flow even in electrically noisy industrial environments.\u003c\/p\u003e\n\u003ch2\u003ePart Number Breakdown: AAI135-S00\/K4A00\u003c\/h2\u003e\n\u003cp\u003eYokogawa employs a modular suffix system to define the specific electrical and physical attributes of each I\/O card:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAAI135:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBase model for Isolated Current Input (4 to 20 mA, 16-channel).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-S:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard type performance specification for general process control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard type with no explosion protection (General Purpose).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBasic functional specification for standard operating environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\/K4A00:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with the KS cable interface adapter, designed for seamless connection to AEA4D terminal boards via specialized system cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eWe supply this module in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure full compliance with your system's MTBF requirements.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\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\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16-channel, isolated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllowable Input Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25 mA DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWithstanding Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 V AC (between input and system)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterface Style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKS Cable Interface (\/K4A00)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 0.35 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe AAI135-S00 provides 500 V AC isolation between the field inputs and the internal system bus. This barrier prevents ground loops and protects the expensive FIO (Field network I\/O) nodes from field-side electrical surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified System Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \/K4A00 KS cable interface eliminates the need for individual terminal-by-terminal wiring at the module level. This plug-and-play approach reduces installation time and minimizes the risk of wiring errors during commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 isolated channels in a single slot allow for maximum I\/O density within the cabinet. This helps reduce the total number of I\/O nodes required, lowering both hardware costs and the physical footprint of the control room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen installed in a redundant configuration, the module supports seamless failover. If the active module detects an internal hardware failure, the system automatically switches to the standby module without interrupting the 4-20 mA process signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the AAI135-S00\/K4A00 for 2-wire transmitter power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AAI135 series typically acts as a signal receiver (sink). If your 2-wire transmitters require loop power directly from the I\/O module, you should verify if your field wiring includes an external 24 V DC supply or consider the AAI143 series which provides integrated loop power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the KS cable interface (\/K4A00) over a terminal block?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KS cable interface allows you to move the termination point to a separate AEA4D terminal board. This simplifies cabinet organization, makes cable management much cleaner, and allows for faster module replacement during maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with older CENTUM CS 3000 software?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the AAI135 is a legacy-friendly module that maintains compatibility across multiple generations of Yokogawa DCS software, provided the appropriate I\/O definitions are loaded in the system builder.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support HART communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AAI135-S00 is a standard analog input module and does not support HART digital signal pass-through. For HART-compatible applications, the AAI141 or AAI143 series are the recommended alternatives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52467869647157,"sku":"AAI135-S00\/K4A00","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/AAI135-H53_4fa59ce4-bf3a-4e6a-b4ff-bec3bc1f0133.png?v=1774253177","url":"https:\/\/www.5gplc.com\/products\/aai135-s00-k4a00-yokogawa-centum-vp-isolated-current-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}