Description
The ABB DSDX404 is a remote input/output (I/O) unit associated with ABB industrial automation equipment. Its product identifier is 57160001-TE, and the model designation is also written as DSDX 404. The unit is relevant to the identification and maintenance of existing ABB control-system installations that use this hardware.
For procurement and replacement planning, the DSDX404 model designation and product identifier are the primary identification details. Engineers should compare the complete hardware label, revision marking and existing system configuration before selecting a replacement. The installed I/O arrangement, connection hardware and control-system requirements should also be considered when establishing suitability.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | DSDX404 |
| Type designation | DSDX 404 |
| Product identifier | 57160001-TE |
| Product category | Remote I/O unit |
Detailed Product Overview
Product Identification
The ABB DSDX404 is identified as a remote I/O unit in legacy ABB automation equipment references. Its function is associated with the input/output portion of an automation architecture, where the I/O hardware forms part of the interface between the control system and connected equipment.
Correct product identification is especially important when maintaining an existing installation. Similar product descriptions may cover different hardware assemblies, so the DSDX404 designation should be checked alongside the complete product identifier on the installed unit.
System Integration Considerations
When evaluating the DSDX404 for an existing control system, the principal consideration is whether the replacement matches the installed hardware arrangement. The physical assembly, connection method and configured I/O architecture should be considered together rather than treating the model designation as the sole compatibility criterion.
The relevant system documentation and installed configuration should guide decisions involving wiring, module placement and commissioning. Product selection should be based on the actual application requirements rather than specifications attributed to another ABB I/O model.
Procurement and Maintenance
For spare-parts procurement, retain the complete model designation and product identifier in purchasing records. Photographs of the equipment label and connector arrangement can help distinguish visually similar products and reduce identification errors.
Where a replacement is intended for an operating installation, compare the existing unit’s markings and hardware arrangement with the proposed replacement before removing or installing equipment.

ABB Advant OCS Product Guide

ABB Advant OCS Product Guide
Applications & System Role
The ABB DSDX404 is associated with the remote I/O layer of industrial automation systems.
Its relevant engineering context includes:
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Remote I/O hardware identification: Identifying the installed unit within an existing ABB automation architecture.
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Control-system maintenance: Supporting spare-part selection and maintenance planning for existing installations.
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Replacement assessment: Comparing product identifiers, hardware markings and physical connection arrangements before procurement.
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I/O system documentation: Maintaining accurate equipment records for service, inventory and future replacement activities.
Application-specific signal configurations, channel capacities and controller compatibility should be established from the documentation for the installed system.
Verification & Troubleshooting Notes
Before selecting or replacing an ABB DSDX404, review the following:
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Product label: Match the DSDX404 designation and product identifier against the existing equipment records.
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Hardware revision: Compare the revision markings where applicable.
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Physical connections: Check the connector arrangement and installed hardware configuration.
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System configuration: Review the applicable ABB control-system documentation before installation.
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Commissioning: Follow the approved installation and diagnostic procedures for the installed system.
Electrical isolation and equipment handling should follow the site’s approved maintenance procedures.

ABB Advant OCS Product Guide
FAQ
What is the ABB DSDX404?
The ABB DSDX404 is a remote input/output unit associated with ABB industrial automation equipment.
What is the product identifier for the ABB DSDX404?
The associated product identifier is 57160001-TE.
What is the main function of the DSDX404?
The DSDX404 belongs to the remote I/O hardware category. Its suitability for a particular control-system installation depends on the installed hardware configuration and application requirements.
What should be checked before ordering an ABB DSDX404?
Compare the model designation, product identifier, hardware revision, physical connections and existing system configuration before ordering.
Can the DSDX404 be used as a replacement for another ABB I/O module?
Replacement suitability depends on the specific hardware and system configuration. A similar appearance or general I/O classification alone does not establish compatibility.
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