6ES7405-0DA02-0AA0 - Power Supply Module - SIEMENS

Alimentation Siemens 6ES7405-0DA02-0AA0 - SIMATIC S7-400 PS 405

The power module with reference 6ES7405-0DA02-0AA0 belongs to the PS 405 series dedicated to SIMATIC S7-400 systems from Siemens. Designed to deliver a regulated 5 V DC output with a nominal current of 4 A, it provides the stable power required for the backplane bus and the programmable controller modules. This power supply is aimed at maintenance managers, automation engineers and integrators who need a reliable replacement or a consistent expansion for existing architectures, especially where service continuity is critical. The multi-voltage input DC 24/48/60 V simplifies integration into varied industrial environments, while the mechanical interface adapted to the S7-400 chassis ensures quick and repeatable implementation. The compact dimensions 25 x 290 x 217 mm and the weight 0.945 kg make on-site installation and maintenance easier. Integrated into the TIA engineering platform, the S7-400 range benefits from proven diagnostic and documentation tools, securing commissioning and long-term operation. Thanks to its robust design and power reserves, the PS 405 contributes to overall reliability of the control cabinet by protecting the stability of the 5 V supply from upstream fluctuations.

Caractéristiques techniques

• Référence constructeur : 6ES7405-0DA02-0AA0
• Gamme : SIMATIC S7-400, module d’alimentation PS 405
• Constructeur : Siemens
• Type : Module d’alimentation pour châssis S7-400, sortie 5 V
• Tension d’entrée : DC 24/48/60 V
• Tension de sortie : 5 V DC régulée
• Courant de sortie nominal : 4 A
• Dimensions : 25 x 290 x 217 mm
• Poids : 0.945 kg
• Intégration logicielle : compatible avec la plateforme d’automatisation TIA pour ingénierie et diagnostic
• Usage prévu : alimentation du bus fond de panier et des modules SIMATIC S7-400
• Atouts d’architecture : modularité, réserves de puissance, remplacement simple dans les installations en service

Présentation de la gamme SIMATIC S7-400

The SIMATIC S7-400 series is Siemens' programmable controller architecture aimed at process applications and large industrial infrastructures. Built for complex systems and high throughputs, it relies on interchangeable modular components, including the PS 405 power supplies which ensure the energy stability of the backplane. The platform's longevity and broad installed base make it a relevant choice for equipment lifecycle, with maintenance simplified by standardized modules and comprehensive documentation.

• Architecture modulaire : chassis, central units, I/O modules and dedicated power supplies for fine adaptation to process requirements.
• Écosystème SIMATIC et TIA : centralized engineering, integrated diagnostics and standardised commissioning methods.

In this architecture, the PS 405 provides stable power to the CPU, communication cards and I/O modules, which conditions the availability of the entire system. Its DC input with three voltage levels simplifies deployment on sites where intermediate supply is already standardized at 24 V, 48 V or 60 V.

Applications industrielles

The power module 6ES7405-0DA02-0AA0 integrates into environments where the stability of the 5 V rail determines the reliability of automation cycles and the exchanges between modules. Typical use cases include, among others, PLC-controlled installations requiring minimized downtime and planned maintenance capability.

• Procédés continus et batch : chemical, food & beverage, pharmaceutical industries, where the energy consistency of the S7-400 rack supports production quality.
• Traitement de l’eau et utilities : station supervision, pumping, aeration, with high availability requirements for controllers.
• Intralogistique et convoyage : handling and sorting lines, where the 5 V stability for CPU and communication modules is critical.
• Énergie et infrastructures : substations, industrial boiler plants, monitoring of complex installations requiring a reliable S7-400 installed base.
• Machines spéciales et cellules robotisées : coordination of I/O and automation networks with a regulated backplane power supply.

Intégration et communication

The PS 405 is mounted directly into the S7-400 chassis to supply the 5 V to the bus and connected modules. The electrical connection is designed to limit assembly errors and reduce intervention time during corrective or preventive maintenance. In operation, the power stability contributes to the quality of exchanges between the CPU, I/O cards and communication modules of the SIMATIC architecture.

Engineering via the TIA platform relies on consistent libraries and diagnostic functions that facilitate root-cause identification at the automation system level. Without adding a specific protocol to the power supply itself, the PS 405 indirectly secures the reliability of the PLC's links with factory networks managed by the CPU and dedicated modules. This approach reduces voltage drifts that can affect measurement, control and communication within programmable controller architectures.

Disponibilité et garantie

The Siemens power module 6ES7405-0DA02-0AA0 is offered by Standard Exchange Industry as supply and exchange units, with repair options depending on the condition of your equipment. Each unit supplied is bench-tested in accordance with the manufacturer's functional criteria. Shipping is handled quickly to minimize downtime of your installations. Our technical team supports you in identifying the reference compatible with your SIMATIC S7-400 chassis and in qualifying environmental constraints to secure the replacement. This approach aims to restore a stable and durable 5 V supply to your programmable controller and its associated modules.