{"product_id":"ai845-ea-3bse023675r2-abb-s800-i-o-analog-input-modules","title":"AI845-eA 3BSE023675R2 ABB S800 I\/O Analog Input Modules","description":"\u003ch2\u003eABB AI845-eA 3BSE023675R2 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for analog signal acquisition and HART device pass-through in ABB S800 I\/O platforms, the \u003cstrong\u003eABB AI845-eA 3BSE023675R2\u003c\/strong\u003e (\u003cstrong\u003eAI845-eA\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution across process control loops. The module interfaces 8 unipolar, single-ended channels for 0-20 mA, 4-20 mA, 0-5 VDC, or 1-5 VDC field signals with 12-bit resolution and a maximum error of 0.1%. Operating in single or redundant topologies, the unit incorporates short-circuit-proof, current-limited power distribution for 2-wire and 3-wire field transmitters.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePart \/ Suffix Designation\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOrder Code \/ Article Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Configuration \u0026amp; Electrical Interface\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAI845-eA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3BSE023675R2\u003c\/td\u003e\n\u003ctd\u003eBase 8-channel analog input hardware supporting 0(4)-20 mA and 0(1)-5 VDC ranges with HART pass-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTU844 \/ TU845 MTU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Option\u003c\/td\u003e\n\u003ctd\u003eExtended Module Termination Units providing individual channel selection between voltage and current inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTU810 \/ TU830 \/ TU854 MTU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Option\u003c\/td\u003e\n\u003ctd\u003eStandard Module Termination Units configuring all module channels collectively to either current or voltage mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eAI845-eA (Order Number: 3BSE023675R2)\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\u003eSwitzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.34 kg (Package), 0.23 kg (Module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e45 x 119 x 102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.5 W dissipation; 100 mA at 5 VDC (ModuleBus), 50 mA at 24 VDC (ModuleBus), 265 mA maximum external 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e8 unipolar, single-ended channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Ranges\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA, 0-5 VDC, 1-5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution \/ Accuracy\u003c\/td\u003e\n\u003ctd\u003e12-bit \/ Max. 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eGreater than 10 Mohm (Voltage mode), 250 ohm (Current mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Withstand\u003c\/td\u003e\n\u003ctd\u003eUp to 11 VDC continuous non-destructive limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eGroupwise isolated from ground; 50 V rated insulation, 500 VAC dielectric test voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Update \/ Filter\u003c\/td\u003e\n\u003ctd\u003e10 ms update cycle time; 290 ms rise time (0-90%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure \/ Environment\u003c\/td\u003e\n\u003ctd\u003eIP20, ISA-S71.04 G3 corrosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe module communicates with the central controller across the ModuleBus backplane, preserving signal integrity during real-time scan cycles. The internal interface updates all 8 channels within a 10 ms update cycle, allowing high backplane bus communication velocity across expanded S800 I\/O clusters. When deployed alongside high-density I\/O configurations, onboard logic routes digital HART diagnostic data without compromising analog loop conversion speeds. Comprehensive diagnostic routines continuously monitor field wiring conditions, transmitter power loop integrity, and internal channel states.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How are individual channel input types determined on the AI845-eA module?\u003c\/p\u003e\n\u003cp\u003eA: Channel modes depend on the selected Module Termination Unit (MTU). When paired with TU844 or TU845 MTUs, each channel can be independently set to voltage or current mode. When using standard MTUs like the TU810 or TU830, all channels operate collectively as either voltage inputs or current inputs.\u003c\/p\u003e\n\u003cp\u003eQ: What protection mechanisms prevent damage from field line overvoltage conditions?\u003c\/p\u003e\n\u003cp\u003eA: Each input circuit contains overvoltage and undervoltage protection designed to withstand continuous signal excursions of at least 11 VDC without component degradation. Additionally, integrated transmitter power outputs include current-limiting circuits to protect against field short circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eSnap the AI845-eA module firmly onto its compatible S800 Module Termination Unit (such as TU810, TU844, or TU845) mounted on a standard 35 mm DIN rail. Ensure all field wiring for 2-wire or 3-wire transmitters is routed through twisted-pair shielded cables, grounding the overall shield drain wire to the dedicated earth busbar at the enclosure entry point. Maintain field cable runs below the maximum allowable limit of 600 m to prevent signal attenuation and noise pickup. Verify that external 24 VDC transmitter power supplies are regulated and routed through appropriate fuse protection before energizing the module.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53059069444408,"sku":"AI845-eA 3BSE023675R2","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/690..jpg?v=1790748480","url":"https:\/\/www.automodulexpert.com\/products\/ai845-ea-3bse023675r2-abb-s800-i-o-analog-input-modules","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}