DO3401
DO3401
DO3401
DO3401
DO3401
DO3401
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3401

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Schneider Electric Triconex 3401 is a 16-point, 24 VDC commoned digital output module for Trident systems. It drives field loads while monitoring output and field-power faults.
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Technical specifications for 3401

  • Manufacturer:
    Invensys
  • Part Number:
    3401
  • Product Family:
    Tricon System
  • Product Type:
    Trident Digital Output Module
  • Stock:
    1
  • Output points:
    16
  • Nominal output:
    24 Vdc
  • Output arrangement:
    Commoned
  • Platform:
    Trident
  • Typical Carry Current:
    1.5 A
  • Field Alarms:
    Loss of field power; output point shorted
  • Loopback Scan Time:
    Less than 1 ms
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • 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 Applications Installation Diagnostics Environmental Ratings

Features:

  • Provides discrete output control for compatible Trident safety-controller installations.
  • Transfers voted controller commands to documented field-load circuits.
  • Uses model-specific output and termination characteristics identified by 3401.
The selected item is the Trident Digital Output Module used for discrete final-element control.

It converts controller decisions into field switching actions for shutdown, isolation and indication duties.

Confirm load type, field supply, channel mapping, termination and de-energized-state behavior before installation.

Availability is subject to Apter Power inventory and sourcing confirmation.
Verified resources for Triconex 3401: 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.
  • Drives compatible solenoids, relays and discrete indicators from Trident safety logic.
  • Supports shutdown and isolation functions requiring fault-tolerant output control.
  • Provides a model-specific spare for existing digital-output circuits and termination assemblies.
  • Isolate field power and verify the safe state of connected loads before disturbing wiring.
  • Match terminal groups, common conductors and output-channel numbering to the approved drawings.
  • Inspect backplane and field connectors before seating the replacement module.
  • Review channel and module diagnostics before concluding that an output card has failed.
  • Check field supply, fusing, terminal continuity and load condition alongside controller status.
  • After replacement, prove commanded and de-energized behavior for every affected output.
  • Operate the module within the temperature and humidity limits specified for the complete chassis.
  • Maintain cabinet cleanliness, grounding and ventilation around energized output hardware.
  • Apply only the hazardous-area and safety approvals documented for the installed configuration.
Description
Schneider Electric Triconex 3401 provides sixteen 24 VDC output points for commanding solenoids, interposing devices and other discrete field loads in a Trident installation. The commoned output arrangement is designed for the platform’s documented field-power and terminal configuration. The sixteen-point format supports concentrated discrete control while the common field-power topology keeps the module aligned with the documented Trident termination scheme.

Fast internal loopback supervision compares commanded and actual output behavior in under one millisecond. The module reports loss of field power and shorted output points, giving the controller diagnostic information that can be incorporated into maintenance response and proof-test procedures. These hardware checks give maintenance personnel channel-level evidence without requiring a commanded process movement solely to determine whether the output path is intact.

Replacement work must account for external load current, field-supply grouping and the state of every safety output. De-energize or maintain loads through an approved bypass plan, then verify terminal mapping, polarity and channel response before clearing diagnostics. A controlled functional test should prove de-energized and energized behavior at the actual field device, ensuring that loopback health also corresponds to correct external wiring.
Alternative Names
Triconex 3401 3401 Digital Output Module 3401 16-Point Digital Output Schneider Electric 3401 Trident 3401 24 VDC Output 3401 Commoned DO Module Invensys Triconex 3401 3401 Trident Output Card
Technical notes
Before replacing Triconex 3401, place every commanded load in a safe state and verify the common field-power return; unintended energization can occur during rewiring.
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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.
What faults can Triconex 3401 report?
The module reports loss of field power and a shorted output point.
How does 3401 supervise outputs?
Its documented loopback scan checks commanded versus actual output behavior in under one millisecond.
Which loads suit 3401?
It drives compatible 24 VDC discrete loads within the approved current and field-power design.
Can 3401 replace another digital output module?
Only after matching voltage, point grouping, terminal assembly, diagnostics and load requirements.
Which manual covers 3401 wiring?
Use the official Trident installation and field-wiring documentation for the installed system release.
What supports a 3401 quotation?
Provide the label, terminal assembly, field supply and load details, quantity and destination.