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PRODUCT DESCRIPTION
ABB AI845 3BSE023675R1 redundant hart analog input
ABB AI845 (3BSE023675R1) is an S800 analog input module with eight single-ended unipolar channels for current or voltage signals. It supports HART pass-through, current-limited transmitter power distribution and single or redundant operation in process measurement systems.
Each channel can accept 0–20 mA, 4–20 mA, 0–5 V or 1–5 V signals when used with the appropriate MTU. Advanced diagnostics supervise module, channel, transmitter-power and external-shunt conditions before and after commissioning.
Each channel can accept 0–20 mA, 4–20 mA, 0–5 V or 1–5 V signals when used with the appropriate MTU. Advanced diagnostics supervise module, channel, transmitter-power and external-shunt conditions before and after commissioning.
BEFORE YOU BUY
Confirm the complete AI845 configuration
ACTUAL APPLICATIONS
Application fields for AI845
AI845 acquires voltage or current measurements and supports HART transmitter communication within S800 I/O systems. These applications follow ABB’s documented input, transmitter-power and redundancy functions.
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01 · PROCESS MEASUREMENT
Acquire current and voltage process signals
0–20 mA and 4–20 mA inputs0–5 V and 1–5 V inputs -
02 · HART INSTRUMENTATION
Connect supervised smart transmitters
HART pass-through communicationCurrent-limited transmitter supply -
03 · REDUNDANT I/O
High-availability measurement paths
Single or redundant operationAdvanced channel diagnostics
Technical specifications for AI845
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Product ModelAI845
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Spare Model3BSE023675R1
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Product ParametersRedundant HART analog input
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Estimated Shipping Size4.5x10.5x12cm
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ManufacturerABB
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Weight0.24 kg
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Article number3BSE023675R1
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Module typeAnalog input
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Signal ranges0–20 mA, 4–20 mA, 0–5 V, 1–5 V
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Number of channels8
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Input typeUnipolar single-ended
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Resolution12 bit
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HARTPass-through supported
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RedundancySingle or redundant
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Input impedance10 MΩ voltage / 250 Ω current
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IsolationGroupwise isolated from ground
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AccuracyMaximum error 0.1%
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Input filter290 ms
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Update cycle10 ms
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Field cable lengthMaximum 600 m
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Keying codeCC
View all additional
Alternative Names
3BSE023675R1
AI845 Analog Input S/R HART 8 ch
S800 8-channel HART analog input module
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
S800 I/O ANALOG INPUT
Integrate AI845 with verified signal and MTU settings
ABB AI845 is an eight-channel S800 analog input module for current or voltage measurement with HART pass-through communication and supervised transmitter power.
Signal mode depends on the selected MTU. With TU844 or TU845 each channel can be configured for voltage or current; other MTUs make all channels voltage or current inputs.
Commissioning should verify signal range, transmitter supply, HART communication, channel scaling and redundancy status. ABB specifies 12-bit resolution, a 10 ms update cycle and advanced diagnostics.
Features:
- Eight unipolar analog input channels
- HART transmitter power and communication
- Signal mode depends on compatible MTU
The ABB AI845 / 3BSE023675R1 S800 I/O module should be matched to the compatible MTU, field wiring and controller configuration before system integration and commissioning.
INTERCHANGEABILITY
Match AI845 signal mode and MTU before replacement
Replace AI845 only after confirming article number 3BSE023675R1 and the installed S800 I/O configuration. Similar analog input modules may differ in signal range, channel isolation, HART support or redundancy.
Verify the MTU, keying code CC, current or voltage mode, transmitter supply, field wiring, HART devices and redundancy pairing. Preserve controller scaling and channel assignments before removal.
After installation, confirm module and channel diagnostics, transmitter power, measured values, HART pass-through and failover behavior where redundancy is used. Do not assume another S800 analog input module is a direct substitute.
Features:
- Match article number 3BSE023675R1
- Confirm MTU, signal mode and keying
- Test readings, diagnostics and redundancy
The ABB AI845 / 3BSE023675R1 S800 I/O module requires replacement verification based on the complete article number, MTU, wiring and controller configuration before commissioning.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.Features:
- ABB product data is matched to article number 3BSE023675R1
- Compatible MTU and controller configuration must be verified
- Accessories and documents are supplied only when listed
Documentation for the ABB AI845 / 3BSE023675R1 S800 I/O module must be matched to the complete article number and installed configuration; confirm manual availability in the written quotation.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed sizeConfirm with quotation
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Shipping weightConfirm with quotation
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS referenceConfirm by buyer
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OriginConfirm from product label
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about AI845
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Which signals can AI845 measure?
AI845 supports 0–20 mA, 4–20 mA, 0–5 V and 1–5 V unipolar single-ended inputs with the appropriate MTU. -
Does AI845 support HART communication?
Yes. ABB specifies HART pass-through communication for AI845. -
Can AI845 be used redundantly?
Yes. ABB documents AI845 for single or redundant applications. -
How many input channels does AI845 provide?
AI845 provides eight analog input channels with 12-bit resolution. -
What is the documented input accuracy?
ABB specifies a maximum error of 0.1% for AI845 under reference conditions. -
What must be checked before replacing AI845?
Match article number 3BSE023675R1, signal mode, compatible MTU, wiring, transmitter power, HART requirements and redundancy configuration.
READY TO VERIFY YOUR PART?
Get a AI845 quote with price, lead time and revision check.
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