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    ABB currently documents AO845A and article number 3BSE045584R1 in the official 800xA hardware selector. Confirm hardware revision, approvals and project compatibility before ordering.

AO845A 3BSE045584R1

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ABB AO845A is an S800 Analog Output Module for the S800 platform.
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Technical specifications for AO845A 3BSE045584R1

  • Manufacturer:
    ABB
  • Part Number:
    AO845A 3BSE045584R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    S800 Analog Output Module
  • Stock:
    1
  • Signal specification:
    4..20 mA
  • Number of channels:
    8
  • HART support:
    Yes
  • Redundancy support:
    Yes
  • High-integrity support:
    No
  • Intrinsic-safety support:
    No
  • Resolution:
    12 bit
  • Isolation:
    Groupwise isolated from ground
  • Tariff Code:
    85389000
  • Country of origin:
    Switzerland
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Signal Data Diagnostics Compatibility Installation Check

Features:

  • Signal specification: 4..20 mA
  • Number of channels: 8
  • HART support: Yes
AO845A integrates 8 channels into the ABB S800 platform.

Assess signal limits, isolation, update time and diagnostics as one design.

Use a compatible MTU and verify the field loop before commissioning AO845A.
Verified resources for ABB AO845A:

Signal Data:

  • Signal specification: 4..20 mA
  • Number of channels: 8
  • HART support: Yes
Apply official AO845A limits to the complete field circuit.

Diagnostics:

  • F(ault), R(un), W(arning), O(SP)
  • Module Error, Module Warning, Channel error
Resolve all AO845A diagnostics before operation.

Compatibility:

  • Compatible MTUs: TU810, TU812, TU814, TU830, TU833, TU842, TU843 or TU852
  • Verify module keying
  • Confirm controller support
Match AO845A to an approved ABB S800 configuration.

Installation Check:

  • Check signal and field power
  • Verify MTU and channel mapping
  • Perform end-to-end tests
Document testing after installing AO845A.
Description
ABB AO845A S800 Analog Output Module is an S800 Analog Output Module with 8 channels for 4..20 mA signals. ABB identifies it by article number 3BSE045584R1 for the S800 I/O platform.

Its documented channel design includes 12 bit resolution, Groupwise isolated from ground, an update cycle of 10 ms. Evaluate these limits together with the field device, process power and cabinet environment.

Use AO845A only with a compatible ABB module termination unit such as TU810, TU812, TU814, TU830, TU833, TU842, TU843 or TU852. Confirm signal range, keying, wiring, isolation, revision and channel tests before commissioning or replacement.
Alternative Names
AO845A AO 845 A ABB AO845A ABB AO 845 A AO845A 3BSE045584R1 ABB 3BSE045584R1 ABB AO845A 3BSE045584R1 AO845A S800 Analog Output Module
Technical notes
AO845A provides the documented ABB Analog Output channel set for 4..20 mA. Match signal, MTU, keying and hardware revision before commissioning.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which signals does AO845A handle?
ABB specifies 4..20 mA across 8 channels.
Which termination units are compatible with AO845A?
ABB lists TU810, TU812, TU814, TU830, TU833, TU842, TU843 or TU852; check revision and keying.
How is AO845A isolated?
Official data states Groupwise isolated from ground. Include field power and grounding.
Which timing or conversion limit matters for AO845A?
Use official resolution, filtering and update-cycle values when calculating response.
Can AO845A directly replace another ABB I/O module?
Only when signal, channels, MTU, keying, power, software, approvals and revision match.
Which diagnostics should be checked on AO845A?
Review front LEDs and channel, module, power and communication diagnostics.
What should be tested after installing AO845A?
Test every used channel through field device, wiring, MTU, database and final action.
What information is needed to quote AO845A?
Provide AO845A, article 3BSE045584R1, quantity, hardware revision, destination and certifications.