{"product_id":"ai893-3bsc690141r1-abb-s800-i-o-intrinsic-safety-tc-rtd-input-module","title":"AI893 3BSC690141R1 | ABB | S800 I\/O Intrinsic Safety TC\/RTD Input Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB AI893 (3BSC690141R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-precision, intrinsically safe temperature acquisition interface within the S800 I\/O distributed system. This module provides eight differential input channels designed to interface directly with Thermocouples (TC) and Resistance Temperature Detectors (RTD) located in hazardous areas (Zone 0\/Class 1 Div 1). It converts low-level sensor signals into digital data with 15-bit plus sign resolution, ensuring extreme accuracy for critical thermal processes. We guarantee this unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, meeting all factory safety certifications for immediate deployment.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe AI893 delivers laboratory-grade precision in a ruggedized industrial form factor:\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\u003e8 Differential\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRTD or Thermocouple (TC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIntrinsic Safety\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes (Direct interface to Zone 0 \/ Div 1)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 bit + sign\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt;10 MΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCMRR (50\/60Hz)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt;100 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNMRR (50\/60Hz)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt;80 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUpdate Cycle Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e(No. of active channels) x 125 + 125 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 W (Ultra-low consumption)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eISA-S71.04: G3 (Harsh Environment Rated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to +55 °C (+32 to +131 °F)\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\u003eSeamless Hazardous Zone Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe AI893 features built-in Intrinsic Safety (IS) barriers. This allows engineers to connect sensors from Zone 0 or Class 1 Div 1 locations directly to the S800 I\/O rack without purchasing or mounting separate external barriers, saving significant rail space and reducing wiring complexity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExceptional Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a Common Mode Rejection Ratio (CMRR) exceeding 100 dB and high input impedance (\u0026gt;10 MΩ), the module effectively filters out electrical noise. This ensures accurate temperature readings even when sensor leads run parallel to high-voltage power cables in industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eG3-Rated Durability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module conforms to ISA-S71.04 G3 corrosion protection standards. It resists the corrosive effects of sulfurous gases and moisture, making it the standard choice for pulp and paper mills, refineries, and wastewater treatment plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow Thermal Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe AI893 dissipates only 0.5 W of power. This low heat emission prevents localized hotspots within the I\/O cabinet, extending the operational life of adjacent electronic components and reducing cooling requirements for the overall enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFront-panel LEDs (Fault, Run, Warning) provide immediate status updates. The module logic supervises each channel for open-circuit conditions and detects short-circuits for RTD sensors, drastically shortening troubleshooting windows during commissioning.\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\u003eDoes the AI893 support both RTD and TC sensors on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the AI893 accepts both RTD and Thermocouple signals. However, you must configure each channel group within the control software to match the specific sensor type and range connected to the hardware terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich safety certifications does this module carry?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AI893 carries extensive global certifications including ATEX\/IECEx Zone 2 (with interface to Zone 0) and cFMus Class 1, Div 2. These ratings authorize its use in highly regulated safety environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum resolution of the temperature data?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides a 15-bit plus sign resolution. For RTD measurements in the 0-400 Ω range, this translates to an error margin of less than 0.1 Ω, providing the high-fidelity data required for precise PID control loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow can I optimize the update cycle time for faster response?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe update cycle depends on the number of active channels (\u003cspan class=\"math-inline\"\u003e$n \\times 125 + 125$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ems). You can reduce the cycle time by disabling unused channels in the controller configuration, which prioritizes the processing power for active sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53172596408504,"sku":"AI893 3BSC690141R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AI8933BSC690141R1.jpg?v=1774837994","url":"https:\/\/www.globalpetroparts.com\/products\/ai893-3bsc690141r1-abb-s800-i-o-intrinsic-safety-tc-rtd-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}