{"product_id":"abb-ai893-3bsc690141r1-s800-analog-input-module","title":"ABB AI893 3BSC690141R1 S800 Analog Input Module","description":"\u003ch2\u003eABB AI893 3BSC690141R1 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for temperature sensor termination in S800 I\/O networks, the \u003cstrong\u003eABB AI893\u003c\/strong\u003e (\u003cstrong\u003eAI893\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution. The module acts as an intrinsically safe 8-channel acquisition device designed to interface directly with RTD and thermocouple sensors situated in hazardous field areas.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAI893\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\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\u003e119 x 45 x 102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDerived from backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 differential channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eThermocouples and RTDs (2-wire or 3-wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntrinsic Safety\u003c\/td\u003e\n\u003ctd\u003eIntegrated (Ex i) per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Units\u003c\/td\u003e\n\u003ctd\u003eTU890 (Ex) or TU891 (non-Ex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eS800 Backplane Bus Communication and Deterministic Scaling\u003c\/h3\u003e\n\u003cp\u003eThe module communicates with the cluster master via the S800 I\/O backplane bus, transferring digitized temperature values with high-speed cycle times. To maintain high accuracy across its broad I\/O density scaling configuration, the module's firmware flash compatibility enables dynamic channel diagnostic mapping. High-frequency digital filtering on each channel reduces signal distortion from electrical noise while maintaining rapid data conversion rates over the internal bus structure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is cold junction compensation (CJC) managed for thermocouple inputs on the AI893?\u003c\/p\u003e\n\u003cp\u003eA: Channel 8 can be dedicated to local cold-junction measurement using a 3-wire Pt100 sensor connected to the MTU terminals, or configured for remote CJC, or set to a user-defined fixed junction temperature.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping of the AI893 module supported under power?\u003c\/p\u003e\n\u003cp\u003eA: Yes, hot-swapping is supported on S800 I\/O systems when utilizing compatible, active backplanes and termination units, allowing replacement without interrupting communications on adjacent active modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the compatible Termination Unit (TU890 for Ex or TU891 for non-Ex) onto the DIN rail and verify ground connection stability before plugging in the active module.\u003c\/li\u003e\n\u003cli\u003eAlign the AI893 module with the guide rails on the Termination Unit and push firmly until the locking mechanism engages completely.\u003c\/li\u003e\n\u003cli\u003eRoute all intrinsically safe field cabling away from non-intrinsically safe cabling, maintaining the minimum 50 mm physical segregation required by industrial safety codes.\u003c\/li\u003e\n\u003cli\u003eConnect shield wires only to the designated ground terminals on the module termination base to prevent ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43865698795619,"sku":"AI893 3BSC690141R1","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/148_d5d632da-ed1b-4fea-8c1f-fd7e29bde10d.jpg?v=1764581520","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-ai893-3bsc690141r1-s800-analog-input-module","provider":"AutoControl Global","version":"1.0","type":"link"}