6DR1901-5/6DR1902-5 SIEMENS

6DR1901-5/6DR1902-5 SIEMENS Basis unit

Product  Description：

The ABB SA801F (part number 3BDH000011R1) is a primary power supply module designed for use within the ABB Freelance AC 800F control system. While it is often associated with legacy Bailey Infi 90 / Symphony Plus environments through system integration and migrations, its core function is to provide stable DC power to the CPU boards, Ethernet modules, and fieldbus communication modules of the AC 800F controller family.

Product Specifications

• Input Voltage: Wide range alternating current 115 to 230 VAC (Self-adjusting).

• Input Voltage Range: 90 to 260 VAC.

• Input Frequency: 50 to 60 Hz (Tolerance 47 to 63 Hz).

• Output Voltages: Provides dual outputs of 3.3 VDC and 5 VDC.

• Output Current: Up to 5 A for each voltage rail.

• Total Output Power: Rated at approximately 26.5 W.

• Hold-up Time: 20 ms (Maintains output voltage during brief power interruptions).

• Power Consumption: Approximately 48 VA at nominal load.

• Weight: Approximately 0.46 kg (1.01 lbs).

• Cooling: Natural convection cooling.

Product Advantages

• Auto-Sensing Input: The module automatically adjusts to the respective mains voltage between 115 and 230 VAC, reducing the risk of configuration errors during installation.

• Enhanced Protection: Features comprehensive safety mechanisms including short-circuit protection, current limiting, and overvoltage protection to safeguard sensitive CPU and communication components.

• System Monitoring: The front panel includes status LEDs that provide immediate visual diagnostics for both the power supply health and the operating status of the AC 800F controller.

• Graceful Shutdown: In the event of a power loss, the module generates a power-fail signal after 5 ms. This allows the CPU module to save critical data and enter a safe state before the output voltage drops below tolerance levels 15 ms later.

• Compact Modular Design: Its slim form factor allows for efficient use of space within the controller rack while maintaining high reliability and galvanic isolation between the input and output.

Important Considerations

• Installation Environment: The module is rated for IP20 protection and must be installed in a clean, dry, and dust-free industrial cabinet or enclosure.

• Power Failure Logic: Users should ensure that the system software is configured to handle the "power-fail" signal correctly to guarantee a controlled restart once power is restored.

• Maintenance Safety: Always disconnect the main AC power before removing or inserting the module. Although it is rugged, the internal subminiature fuse is soldered and not intended for field replacement.

• Redundancy Planning: For critical applications requiring high availability, consider using the SD802F module which supports redundant 24 VDC power inputs instead of single AC mains.

• Lifecycle Awareness: As part of the Freelance and legacy Bailey integration lines, users should verify the current availability of spare parts and technical support for long-term maintenance.

Product Applications

The SA801F is primarily utilized in large-scale industrial automation and process control environments where the AC 800F controller is deployed.

• DCS System Powering: Serving as the central power source for Distributed Control System (DCS) components, specifically the AC 800F field controllers.

• Fieldbus Management: Providing the necessary voltage for Profibus, Foundation Fieldbus, and Modbus communication interfaces attached to the controller.

• System Modernization: Used in "evolution" projects where legacy Bailey Infi 90 or Harmony systems are being upgraded to or integrated with modern Symphony Plus and Freelance architectures.

• Process Industries: Widely applied in chemical processing, power plants, water treatment, and oil and gas facilities to ensure continuous operation of the control logic layer.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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