{"product_id":"aai835-s50-yokogawa-analog-i-o-modules","title":"AAI835-S50 | Yokogawa | Analog I\/O Modules","description":"\u003ch2\u003eYokogawa AAI835-S50 Analog I\/O Modules\u003c\/h2\u003e\n\u003cp\u003eThe\u003cstrong\u003eYokogawa AAI835-S50\u003c\/strong\u003ealso cataloged as the\u003cstrong\u003eAAI835\u003c\/strong\u003eAnalog I\/O Modules, operates as a dedicated hardware component for analog signal acquisition and analog signal actuation within STARDOM distributed controller I\/O architectures. Configured for 4 to 20 mA current loop interfacing in STARDOM I\/O networks,the\u003cstrong\u003eYokogawa AAI835-S50\u003c\/strong\u003e(\u003cstrong\u003eAAI835\u003c\/strong\u003eAnalog I\/O Modules) provides direct physical\/electrical execution. The module implements 4-channel isolated input and 4-channel isolated output conversion with channel-to-channel electrical separation and loop current handling for field instrumentation interfaces.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAAI835\u003c\/strong\u003e: Analog input\/output mixed module family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S\u003c\/strong\u003e: Standard type configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e: No explosion protection rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0\u003c\/strong\u003e: Basic type hardware revision\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa AAI835-S50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e33 mm x 130 mm x 107 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e360 mA @ 5 VDC \/ 450 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e4 input \/ 4 output isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Resistance\u003c\/td\u003e\n\u003ctd\u003e0 to 750 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Refresh Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; 4-20 mA Loop Architecture\u003c\/h3\u003e\n\u003cp\u003eThe AAI835-S50 implements galvanically isolated analog channel architecture for both input and output stages, reducing inter-channel coupling effects in multi-loop process control configurations. Each channel supports 4 to 20 mA transmission class signaling, aligned with standard process instrumentation loops. The isolation structure is designed to maintain signal integrity under mixed field wiring conditions where loop ground potential differences may exist. Input\/output conversion is synchronized through a deterministic refresh cycle suitable for STARDOM controller scan integration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the AAI835-S50 channels be hot-swapped during operation?\u003c\/strong\u003e\u003cbr\u003eA: Hot-swap capability is not specified for this module. In standard practice, removal or insertion should be performed under system power isolation to prevent backplane transient disturbance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the backplane current impact of this module?\u003c\/strong\u003e\u003cbr\u003eA: The module draws 360 mA at 5 VDC and 450 mA at 24 VDC depending on system supply configuration, which must be considered in rack-level power budgeting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does each channel support independent isolation?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the module implements isolated channel architecture, ensuring separation between individual analog input and output channels.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure system power is fully isolated prior to module insertion or removal\u003c\/li\u003e\n\u003cli\u003eMaintain shield termination at designated grounding points to minimize loop noise\u003c\/li\u003e\n\u003cli\u003eUse approved MIL connector cable or KS1 dedicated wiring to maintain signal integrity\u003c\/li\u003e\n\u003cli\u003eObserve correct polarity for 4 to 20 mA loop wiring on each channel terminal\u003c\/li\u003e\n\u003cli\u003eAvoid routing analog loops parallel to high-voltage or high-frequency switching conductors\u003c\/li\u003e\n\u003cli\u003eVerify backplane current capacity before full I\/O slot population\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44182216147032,"sku":"NFAI835-S50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/NFAI835-S50-3.jpg?v=1780544186","url":"https:\/\/www.industriaxplc.com\/products\/aai835-s50-yokogawa-analog-i-o-modules","provider":"IndustriaX Limited","version":"1.0","type":"link"}