428647-4 EATON

428647-4 EATON Power Board

Product  Description：

The EATON Power Board, often called a Power Supply Module (PSM) or Power Supply Unit (PSU), is the dedicated component within a control system that converts external utility power (AC or high-voltage DC) into the stable, regulated DC voltages required by the internal electronics of the controller, I/O modules, and associated devices. This board typically accepts a wide range of input voltages to accommodate global use and features sophisticated internal circuitry, including filters, rectifiers, and regulators, to ensure the output power is clean, protected from surges, and highly stable, even under fluctuating load conditions. Its primary function is to provide reliable, continuous power to maintain the integrity of the control system's operation.

Product Parameters

The specific parameters for an EATON Power Board vary significantly based on the intended application and series (e.g., $185\text{ W}$ or $400\text{ W}$ models). Typical parameters include:

• Input Voltage Range: Often universal, such as $85 \text{ V}_{\text{AC}}$ to $264 \text{ V}_{\text{AC}}$ (single-phase) or three-phase options, or $24 \text{ V}_{\text{DC}}$ or $48 \text{ V}_{\text{DC}}$ for low-voltage systems.

• Output Voltage: The regulated voltages supplied to the backplane, typically $+5 \text{ V}_{\text{DC}}$, $+3.3 \text{ V}_{\text{DC}}$, and $+24 \text{ V}_{\text{DC}}$ (for field power).

• Output Power/Current: Rated total power output (e.g., $150 \text{ W}$) and current capacity for each voltage rail (e.g., $5 \text{ V}$ at $10 \text{ A}$).

• Efficiency: High efficiency rating, typically $90\%$ or greater, to minimize heat generation.

• Overload Protection: Built-in features for overcurrent, overvoltage, and short-circuit protection.

• Operating Temperature: Designed for industrial ranges, often $-25^{\circ}\text{C}$ to $+70^{\circ}\text{C}$.

Product Advantages

EATON Power Boards offer several key advantages crucial for industrial automation:

• High Reliability and Robustness: They are engineered for continuous, long-term operation in harsh industrial settings, offering high Mean Time Between Failures (MTBF) and minimizing system downtime.

• Clean, Regulated Power: They provide exceptionally stable and filtered output power, which is critical for the reliable operation of sensitive digital electronics and accurate analog I/O modules.

• Advanced Protection Features: Integrated protection against power surges, brownouts, and short circuits safeguards expensive downstream components like the CPU and I/O modules.

• Global Compatibility: Their wide input voltage range allows for use in various international locations without requiring additional voltage converters.

• Diagnostic Capabilities: Many models include features like LED indicators or communication interfaces to report power status, health, and potential fault conditions, simplifying troubleshooting.

Important Considerations (Precautions)

Proper installation and maintenance are vital for an EATON Power Board:

• Adequate Ventilation: The board must be installed with sufficient clearance and cooling as specified by EATON to dissipate heat, prevent thermal shutdown, and ensure its lifespan.

• Input Wiring Integrity: All input and ground wiring must be correctly sized and secured according to electrical codes to prevent fire hazards and ensure proper operation.

• Total Load Calculation: The sum of the current draw from all connected modules (CPU, I/O, etc.) must not exceed the Power Board's rated output capacity to prevent overload and premature failure.

• Redundancy Planning: For mission-critical applications, redundant power supply modules should be considered to allow for fault-tolerant operation and hot-swapping during maintenance.

• Grounding: Correctly connecting the protective earth (PE) ground is mandatory for safety and to ensure the suppression of electrical noise and surges.

Product Applications

The EATON Power Board is an essential foundation in virtually all industrial control environments:

• Industrial Control Cabinets: They are the primary power source for PLC racks, distributed I/O systems, and industrial PC backplanes.

• Machine Control Systems: Used to provide stable power for servo drives, motor controllers, and integrated safety systems within automated machinery.

• Process Instrumentation: Employed in powering field transmitters, sensors, and remote terminal units (RTUs) in environments like oil and gas, chemical, or pharmaceutical plants.

• Telecommunications and Infrastructure: Utilized in cabinets and enclosures to provide reliable DC power for networking equipment and monitoring devices.

• Energy Distribution Systems: Integrated into switchgear and control panels to power the monitoring, protection, and communication relays essential for grid management.

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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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.