{"product_id":"yokogawa-aai841-s50-k4a00-analog-i-o-module","title":"Yokogawa AAI841-S50\/K4A00 Analog I\/O Module","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AAI841-S50\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an Analog Input\/Output (I\/O) module for Yokogawa’s CENTUM series Distributed Control Systems (DCS), including CENTUM VP. It connects with field instruments and converts analog signals for process control and monitoring. The module supports both input and output channels with 4–20 mA signals. It features non-isolated channels designed for reliable operation in industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAAI841-S50\/K4A00\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 (4–20 mA, non-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 (4–20 mA, non-isolated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Resistance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePower ON: 290–450 Ω (depends on current)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower OFF: ≥ 500 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAllowable Input Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 25 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAllowable Load Resistance (Output):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 750 Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCircuit-Open Detection Threshold:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026lt; 0.65 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInput: ±16 µA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput: ±48 µA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Update Period:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Drift:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±16 µA per 10°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWithstand Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500 V AC for 1 minute between I\/O and system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e5 V DC: Max 230 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e24 V DC: Max 540 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Connections:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eKS cable interface adapter (ATK4A-00)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDIN rail or panel mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e–20°C to +60°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.3 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHART Communication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNot supported on this variant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42005214036058,"sku":"AAI841-S50\/K4A00","price":147.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/AAI841-S50K4A00.jpg?v=1750406423","url":"https:\/\/www.plcmasters.com\/products\/yokogawa-aai841-s50-k4a00-analog-i-o-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}