ABB AI845 Analog Input Module

ABB AI845 Analog Input Module

ABB · AI845 · S800 I/O

ABB AI845 Analog Input Module

ABB AI845 is an 8-channel redundant analog input module for the S800 I/O system, supporting 4...20 mA signals with 12-bit accuracy. It offers advanced HART pass-through communication, extensive transmitter monitoring diagnostics, and short-circuit protection features.

Brand-new originalOne-year warranty3–5 daysCondition: In stock
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Description
ABB S800 I/O

ABB AI845 Analog Input Module

ABB AI845 is a 16-channel, 24 V DC current-sourcing analog input module for s800 i/o for S800 I/O with advanced diagnostics and support for single or redundant applications.

New & original
One-year warranty
3–5 days
Condition: In stock
Request a quote

Description and purpose

ABB AI845 is a 16-channel, 24 V DC current-sourcing analog input module for s800 i/o for S800 I/O with advanced diagnostics and support for single or redundant applications. Confirm the complete order code and installed-system compatibility before replacement.

Technical specifications

AI845 verified specification summary · ABB System 800xA Product Catalog

Model
AI845
ABB article number
3BSE020838R1
Product family
S800 I/O
Module type
24 V DC digital output
Output channels
16; two isolated groups of eight
Rated output current
0.5 A per channel
Operating configuration
Single or redundant
Diagnostics
Advanced onboard diagnostics
Rated insulation voltage
50 V
Compatible MTUs
TU810, TU812, TU814, TU830, TU833, TU842, TU843, TU852
Reference
ABB System 800xA Product Catalog
CONFIGURATION SUPPORT

Trying to replace a difficult-to-source control module?

Send Myrtle the complete AI845 nameplate, suffix or product ID, installed system and required quantity. We will organize the configuration details before quoting.

Sales Manager · Myrtle
WHERE IT FITS

Application scenarios

Redundant 24 V DC output architecture

Use AI845 only after confirming the installed ABB system, order code and field connection requirements.

Critical process output supervision

Use AI845 only after confirming the installed ABB system, order code and field connection requirements.

Diagnostic-rich S800 I/O cabinets

Use AI845 only after confirming the installed ABB system, order code and field connection requirements.

AI845 maintenance and modernization

Use AI845 only after confirming the installed ABB system, order code and field connection requirements.

Ordering information

Payment
T/T
Port
Xiamen
Lead time
3–5 days
Condition
In stock
BUYER QUESTIONS

FAQ about ABB AI845

When is AI845 selected instead of DO810?

AI845 adds advanced onboard diagnostics and supports single or redundant operation. Selection must still follow the station design and article number.

How are AI845 outputs arranged?

The module has 16 outputs in two isolated groups of eight, rated at 0.5 A per channel.

Which MTUs are listed for AI845?

ABB lists TU810, TU812, TU814, TU830, TU833, TU842, TU843 and TU852.

What should be checked in a redundant AI845 replacement?

Confirm both module positions, MTU, field power, redundancy state and system diagnostics before removal or insertion, following the ABB maintenance procedure.

What identification should I send before ordering AI845?

Send the complete front and side labels, full suffix or ABB article number, installed terminal hardware, quantity and system arrangement. The short model alone is not enough for a controlled replacement.

Can AI845 be selected only from a similar front appearance?

No. Modules in the same family can share a housing while using different signal ranges, channel grouping or output behavior. Match the manufacturer identification and the installed engineering records.

Coordinated support from PLCEXPORT China

PLCEXPORT assists maintenance and project teams with model identification, quotation coordination and international automation-parts supply.

Our team, workplace and order preparation

 
China sales and support team

Our team coordinates identification, quotation and international order communication.

 
Technical discussion

Application details and nameplate information are reviewed before a suitable supply option is proposed.

 
Warehouse verification

Visible labels and package details are checked during order and dispatch preparation.

 
PLCEXPORT China

We support maintenance and project buyers seeking PLC and DCS components.

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DIRECT SALES SUPPORT

Need a quick compatibility and supply check?

Send Myrtle the full AI845 designation, clear nameplate photos, quantity and destination. We can organize the request and confirm commercial details before quotation.

Sales Manager: Myrtle

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