ABB DAO01
ABB DAO01
ABB DAO01
ABB DAO01
ABB DAO01
ABB DAO01
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DAO01

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ABB DAO01 is a 16-channel Freelance rack analog output module for isolated 0/4–20 mA process-current commands.
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Technical specifications for DAO01

  • Manufacturer:
    ABB
  • Part Number:
    DAO01
  • Product Family:
    ABB H&B Freelance 2000
  • Product Type:
    16-channel analog output module
  • Stock:
    1
  • Output channels:
    16
  • Signal ranges:
    0–20 mA or 4–20 mA, software configurable
  • Channel architecture:
    Two digital-to-analog converters with eight channels each
  • Group isolation:
    Two electrically isolated groups of eight outputs
  • Resolution:
    12 bit
  • Resolution step:
    5 µA
  • Permissible load:
    400 Ω maximum
  • Maximum output voltage:
    8 V at 20 mA
  • Basic accuracy:
    ±1.0 ‰
  • Temperature coefficient:
    ±1.8 ‰ per 10 K
  • Overload current:
    Approximately 21 mA
  • Transfer time:
    Less than 100 µs
  • Minimum output cycle:
    10 ms
  • Ripple:
    0.05% maximum
  • Protection:
    Short-circuit, overload and external-supply proof
  • Fail-safe behavior:
    Configured 0–20 mA value or last value; default 0 mA
  • External supply:
    24 V DC ±25%
  • Rack power consumption:
    1.2 W
  • Hot replacement:
    Permitted after switching off the external supply
  • Maximum field cable:
    1000 m, twisted pair
  • Dimensions:
    4.2 × 18.5 × 31 cm
  • Weight:
    1.7 kg
  • Tariff Code:
    8538900000
  • Country of origin:
    Sweden
  • 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 Output Arrangement Fail-Safe Response Load Integration Application
  • Sixteen software-configurable process-current outputs
  • Two isolated output groups with protected circuitry
  • Configurable safety response for communication interruption

DAO01 is the current-output interface used to deliver controller commands to analog field devices in a Freelance rack.

Its output architecture separates the channels into two isolated groups while providing overload protection and a defined response when rack communication is lost.

Match the backplane position, system cable, external supply, loop resistance and saved range settings before returning controlled equipment to operation.

Availability, condition, price, and shipping time for DAO01 are confirmed during quotation.

ABB DAO01 16-channel analog output module Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Channel mapping follows the documented rack backplane and system-cable assignment.
  • The first and second modules occupy different logical positions in a paired arrangement.
  • Field-loop polarity and the selected current range must agree with the saved project.
  • The application can use a defined safety current or retain the last commanded value.
  • Safety behavior is established in the controller project rather than by module appearance.
  • The selected response should be proven with the affected process placed in a safe condition.
  • The receiving device and cable form one current-loop load that must remain within the module limit.
  • External field power must be isolated before the module is removed from an energized rack.
  • Commissioning should compare commanded current with the actual actuator or indicator response.
  • Analog positioning commands for control valves and actuators
  • Current-reference outputs for drives and process equipment
  • Multi-loop 0/4–20 mA control in Freelance rack systems
Description
DAO01 is an ABB Freelance rack module that converts controller output values into isolated process-current signals across sixteen channels.

The module supports software-selected 0–20 mA or 4–20 mA operation, two electrically isolated channel groups, short-circuit protection and configurable output behavior during communication loss.

For installation, confirm the designated backplane, system cable, external 24 V DC supply, field load and safety-value configuration before reconnecting actuators.
Alternative Names
DAO01 DAO 01 ABB DAO01 ABB DAO 01 0369629 P3717-4-0369629
Technical notes
DAO01 requires verification of the backplane, channel mapping, 24 V DC field supply, loop resistance, safety-value configuration and system cable before replacement to prevent incorrect actuator current.
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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.
Can ABB DAO01 be used when the project requires both 0–20 mA and 4–20 mA outputs?
Yes. The range is selected in the module configuration, so each replacement must be checked against the saved channel setup before the field loops are energized.
What load must be checked before connecting an actuator to ABB DAO01?
The complete loop resistance must remain within the documented 400 Ω limit. Cable resistance and the receiving device input resistance both count toward that total.
How does ABB DAO01 behave if rack communication is interrupted?
The configured safety response can drive a defined 0–20 mA value or retain the last value. Confirm the intended response in the project before commissioning.
Can ABB DAO01 be exchanged while the rack remains powered?
The rack module is hot-replaceable, but ABB instructs users to switch off the external output supply first so connected field circuits are not energized during removal.
What must be preserved when ABB DAO01 is used in a redundant 32-channel arrangement?
Preserve the documented first/second-module position, backplane mapping, channel assignment and system-cable arrangement; the two cards do not share identical logical channel positions.
Why should ABB DAO01 not be selected only by the number of analog channels?
Range, isolation groups, load limit, safety-value behavior, backplane and cable assignment are all part of compatibility, so a same-count analog card is not automatically equivalent.
How should ABB DAO01 loops be checked after installation?
Verify external supply polarity, command a controlled low and high output on each affected loop, confirm receiver response, and test the configured communication-loss safety action before service.

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