Metso Auttomation A413135 AOU4
Metso Auttomation A413135 AOU4
Metso Auttomation A413135 AOU4
Metso Auttomation A413135 AOU4
Metso Auttomation A413135 AOU4
Metso Auttomation A413135 AOU4
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A413135 AOU4

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The A413135 AOU4 is a Metso Automation 4-channel analog output module for Valmet DNA DCS, providing configurable 4-20mA or ±10V signals with 16-bit resolution and 250V AC isolation.
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Technical specifications for A413135 AOU4

  • Manufacturer:
    Metso Auttomation
  • Part Number:
    A413135 AOU4
  • Product Family:
    Metso Auttomation
  • Product Type:
    Analog Output Module
  • Output Channels:
    4 (individually configurable)
  • Resolution:
    16‑bit
  • Accuracy:
    ±0.1% of full scale
  • Load Resistance:
    ≤600 Ω
  • Isolation:
    250V AC
  • Power Supply:
    24V DC (18‑32V range)
  • Power Consumption:
    Max. 5W
  • Protection Rating:
    IP20 (panel‑mounted)
  • Weight:
    0.14 kg
  • Estimated shipping dimensions:
    2x18.5x12.8cm
  • Tariff Code:
    8517795000
  • Country of origin:
    Finland
  • 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 Specifications Application Communication & Connectivity Safety & Compliance

Features:

  • Each of the four channels can be independently configured for current or voltage output; 16‑bit resolution; ±0.1% accuracy; supports control of valves, VFDs, and actuators
  • Module can be replaced under power without system shutdown; 250V AC channel‑to‑ground isolation prevents ground loops and protects the controller; ideal for high‑availability processes
  • LED indicators for power, communication, and channel status; automatic online recalibration; open/short circuit detection; software configurable fail‑safe modes (hold last value or set to safe value)
The A413135 AOU4 is a 4‑channel analog output module that serves as the interface between the Valmet DNA DCS and final control elements such as positioners, I/P converters, variable frequency drives, and actuators. Each of the four channels can be independently configured via software to output either 4‑20 mA (or 0‑20 mA) current signals or ±10 V voltage signals. The 16‑bit resolution provides 65,536 discrete steps over the full range, enabling extremely fine adjustments.

In continuous process industries such as pulp and paper, power generation, and chemical manufacturing, unplanned downtime is measured in thousands of dollars per minute. The A413135 AOU4 addresses this by supporting hot‑swapping – the ability to remove and replace a faulty module while the system remains powered and operational. Only the output channels on the failed module are affected; other I/O continues normal operation. This feature dramatically reduces mean time to repair (MTTR) and eliminates the need for a full system shutdown for routine maintenance.

The A413135 AOU4 includes a suite of diagnostic features that simplify troubleshooting and ensure long‑term accuracy. On the front panel, LED indicators show power status, communication activity, and per‑channel fault conditions (e.g., open circuit, short circuit, or overload). These visual indicators allow a technician to instantly identify a faulty channel without any test equipment. Internally, the module performs automatic self‑calibration at power‑up and periodically during operation. This online recalibration compensates for component aging and temperature drift, maintaining the specified ±0.1% accuracy over the entire operating temperature range (-25°C to +70°C).

The A413135 AOU4 Metso Auttomation Analog Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

Metso Auttomation A413135 AOU4 Analog Output Module Manuals, Datasheets,Drivers,Link 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.
Metso Auttomation A413135 AOU4 Analog Output Module Specs

General

  • Manufacturer Metso Auttomation
  • Model A413135 AOU4
  • Condition New Original ready stock
  • Product Family AO4H D201190,AO4H0A413136
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.
  • Power Generation: Used in power plant control systems for regulating turbines and balancing electrical loads.
  • Pulp, Paper, and Energy: Common in Valmet (formerly Metso) Damatic DNA environments to manage complex chemical and thermal processes.
  • Minerals & Mining: Controls equipment like crushers, screens, and conveyors in minerals processing plants.
  • Field Device Control: Specifically drives control valves, actuators, and signal converters where precise 4-20mA or 0-10V positioning is required.
  • Output Channels: Features 4 analog output channels providing high-resolution signal transmission (typically 14-bit or higher).
  • System Integration: It integrates seamlessly with Valmet/Metso DNA control stations (ACN controllers) via a dedicated backplane or Ethernet field bus.
  • Field Communication: Supports standard industrial signal loops and is often HART-capable, allowing for remote diagnostics and configuration of connected smart instruments without additional hardware.
  • Diagnostics: Includes LED status indicators on the front panel for immediate visual confirmation of power, communication health, and channel status.
  • Electrical Isolation: Provides significant isolation (e.g., channel-to-channel and field-to-logic) to protect sensitive control electronics from field-side electrical surges.
  • Cybersecurity: As part of the Valmet DNA ecosystem, it adheres to high cybersecurity standards, including ISO 27001 and IEC 62443-4-1.
  • Environmental Resilience: Designed for harsh industrial environments, with optional G3 conformal coating to resist corrosion in chemical-heavy atmospheres.
  • Redundancy: Supports system-level redundancy configurations, ensuring that a single module or cable failure does not cause a process shutdown.
Description
The A413135 AOU4 is a 4‑channel analog output module designed for Metso (now Valmet) DNA distributed control systems (DCS). It converts digital control signals from the CPU into precise analog outputs such as 4‑20 mA current or ±10 V voltage, which are used to drive field devices like control valves, variable frequency drives (VFDs), actuators, and dampers.

When using the A413135 AOU4, engineers can configure each channel independently for either current or voltage output. The module features 16‑bit resolution and ±0.1% full‑scale accuracy, ensuring smooth and precise control of critical process parameters such as flow, pressure, temperature, and level. 

The A413135 AOU4 supports hot‑swapping, allowing a faulty module to be replaced without powering down the entire system – a critical feature for continuous processes in pulp & paper, power generation, chemical plants, and mining. The module mounts on a standard 35 mm DIN rail and has a 24V DC power supply requirement (18‑32V operating range). 

For legacy Metso DNA system expansions or repairs, the A413135 AOU4 is an essential spare part. It has been succeeded by newer Valmet‑branded modules (such as AO4H0), but remains widely available through industrial automation suppliers. 
Alternative Names
AO4H D201190 AO4H0 A413136
Technical notes
The A413135 AOU4 is designed to communicate over the Valmet DNA system bus, which is a proprietary backplane communication protocol. It is not compatible with standard PROFIBUS or Modbus networks without a gateway. Always verify that your system revision supports this module.
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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 A413135 AOU4 accurately control a valve positioner?
Yes. The A413135 AOU4 outputs a 4‑20 mA signal with 16‑bit resolution and ±0.1% accuracy.
Does A413135 AOU4 support hot‑swap?
Yes. The A413135 AOU4 supports hot‑swapping, allowing replacement of a faulty module without powering down the system.
Is A413135 AOU4 protected against electrical noise?
Yes. The module provides galvanic isolation (250V AC channel‑to‑ground), which blocks ground loops and common‑mode noise.
Which systems work with A413135 AOU4?
The A413135 AOU4 is designed for Valmet DNA DCS and Metso DNA automation systems. It is not compatible with other vendor systems.