{"product_id":"abb-s800-ai820-4-channel-bipolar-analog-input-module","title":"ABB S800 AI820 4-Channel Bipolar Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAI820\u003c\/strong\u003e is a high-performance analog input module engineered for industrial automation control systems. Manufactured by \u003cstrong\u003eABB\u003c\/strong\u003e under the \u003cstrong\u003eS800 I\/O\u003c\/strong\u003e series, this module delivers robust signal processing across four independent channels. Designed for continuous industrial environments, it features groupwise isolation and flexible signal configurations to support diverse automation architectures.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature Category\u003c\/th\u003e\n\u003cth\u003eParameter Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \u0026amp; Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eABB \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/s800-i-o\"\u003eS800 I\/O\u003c\/a\u003e\u003c\/strong\u003e Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eAI820\u003c\/strong\u003e (Article Number: \u003cstrong\u003e3BSE008544R1\u003c\/strong\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 differential, bipolar channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to +20 mA, 0 to 20 mA, 4 to 20 mA, -10 to +10 V, 0 to 10 V, 2 to 10 V, -5 to +5 V, 0 to 5 V, 1 to 5 V d.c.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 bit plus sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinearity \u0026amp; Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum error 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response \u0026amp; Filtering\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput filter rise time (0-90%) of 40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating: 0 to +55 °C; Storage: -40 to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20 protection class, ISA-S71.04 G3 corrosion protection, 5 to 95% non-condensing relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterference Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 61000-6-4, EN 61000-6-2 EMC compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagnostic Capabilities\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront LEDs for Fault, Run, and Warning; Internal power supply supervision; Status indication for module errors, warnings, and channel errors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Setup:\u003c\/strong\u003e Mount vertically or horizontally on compatible MTUs supporting the \u003cstrong\u003eAI820\u003c\/strong\u003e module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Restrictions:\u003c\/strong\u003e Ensure ambient temperature remains below 40 °C for vertical mounting in compact MTUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Specifications:\u003c\/strong\u003e Connect field cables up to 600 meters using shielded twisted pairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Distribution:\u003c\/strong\u003e Utilize extended MTUs to distribute external transmitter power without internal current limiting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning and Maintenance Convenience\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Monitoring:\u003c\/strong\u003e Check front-panel LEDs for immediate visual status of Fault, Run, and Warning states.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuit Protection:\u003c\/strong\u003e Rely on built-in 250 ohm current sense resistors rated to withstand accidental 30 V d.c. normal mode connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Simplicity:\u003c\/strong\u003e Hot-swap compatible design allows rapid module replacement on active S800 base plates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible MTU Models:\u003c\/strong\u003e \u003cstrong\u003eTU810\u003c\/strong\u003e, \u003cstrong\u003eTU812\u003c\/strong\u003e, \u003cstrong\u003eTU814\u003c\/strong\u003e, \u003cstrong\u003eTU830\u003c\/strong\u003e, \u003cstrong\u003eTU833\u003c\/strong\u003e (Keying Code: BB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Safety Standards:\u003c\/strong\u003e EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Location Approvals:\u003c\/strong\u003e C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Certifications:\u003c\/strong\u003e ABS, BV, DNV, LR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Package Contents:\u003c\/strong\u003e One \u003cstrong\u003eABB AI820\u003c\/strong\u003e Analog Input Module and associated technical documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Terms:\u003c\/strong\u003e Backed by a comprehensive \u003cstrong\u003e12-month warranty\u003c\/strong\u003e covering manufacturing defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment \u0026amp; Shipping:\u003c\/strong\u003e Rapid dispatch within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e utilizing global carriers including \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control Systems:\u003c\/strong\u003e Interfacing multivariable transmitters in chemical and petrochemical plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Management:\u003c\/strong\u003e Monitoring high-precision voltage and current signals in power generation units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Automation:\u003c\/strong\u003e Collecting sensor data from distributed industrial control nodes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Review\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB Review\u003c\/strong\u003e: The \u003cstrong\u003eAI820\u003c\/strong\u003e module offers exceptional signal versatility for complex S800 architectures. Its robust differential input design effectively minimizes common-mode noise in heavy industrial settings, ensuring stable data acquisition across long cable runs.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e: When commissioning the \u003cstrong\u003eAI820\u003c\/strong\u003e in high-vibration environments, verify that the module clicks securely into its matching MTU to prevent intermittent ModuleBus communication errors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePractical Engineering Example\u003c\/em\u003e: In a recent chemical plant retrofit, field technicians accidentally applied a 24 V supply directly to a current input channel configured on the \u003cstrong\u003eAI820\u003c\/strong\u003e. The onboard 5-watt current sense resistors successfully absorbed the transient overload, protecting the internal analog front end from permanent damage and allowing immediate system recovery after fault clearance.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the AI820 module handle HART communication signals?\u003c\/strong\u003e\u003cbr\u003eNo, the standard \u003cstrong\u003eAI820\u003c\/strong\u003e module does not support HART protocol transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat happens if a 24 V source is accidentally connected to a current input?\u003c\/strong\u003e\u003cbr\u003eThe internal 250 ohm current sense resistors feature a 5-watt rating designed to temporarily protect individual channels against accidental 30 V d.c. connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich MTU models are fully compatible with this unit?\u003c\/strong\u003e\u003cbr\u003eThe module pairs directly with \u003cstrong\u003eTU810\u003c\/strong\u003e, \u003cstrong\u003eTU812\u003c\/strong\u003e, \u003cstrong\u003eTU814\u003c\/strong\u003e, \u003cstrong\u003eTU830\u003c\/strong\u003e, and \u003cstrong\u003eTU833\u003c\/strong\u003e mounting units utilizing keying code BB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does vertical mounting affect operational temperature limits?\u003c\/strong\u003e\u003cbr\u003eFor vertical mounting inside a compact MTU, the maximum allowable ambient temperature is reduced to 40 °C (104 °F).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45013889056950,"sku":"AI820","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/AI820_37a5e85e-668b-4213-b02a-6e5c4f6aa3e4.jpg?v=1787642597","url":"https:\/\/www.plcsparehub.com\/products\/abb-s800-ai820-4-channel-bipolar-analog-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}