d100789 METSO

d100789 METSO Power Board

Product  Description：

Metso power boards are heavy-duty electronic assemblies engineered to distribute, regulate, and condition electrical power within advanced industrial automation and process control systems. These boards are widely utilized across Metso's automation platforms, including the DNA distributed control system (DCS). They function as the primary energy management layer, transforming raw external power into stable, filtered, and isolated low-voltage direct current (DC) required by central processing units, input/output modules, and fieldbus communication interfaces.

Product Parameters

The technical characteristics of a Metso Power Board are focused on delivering high power density and maintaining precise voltage control under varying load conditions:

• Input Voltage Range: Configurable to support common global industrial standards, including 100V to 240V AC at 50/60Hz, or 24V DC direct input for battery-backed systems.

• Output Voltage Rails: Delivers highly regulated multiple DC outputs, typically including 3.3V, 5V, 12V, and 24V DC, to satisfy both logic-level and field-side power requirements.

• Current and Power Capacity: Rated to handle total power outputs generally ranging from 120W to over 500W per board, depending on the chassis configuration and the number of connected sub-modules.

• Voltage Regulation and Ripple: Features high-precision voltage stability with output voltage ripple and noise kept below 50 millivolts peak-to-peak.

• Isolation Strength: Provides robust galvanic isolation between the primary input and secondary output circuits, often rated at 2500V AC or higher for 1 minute.

• Holdup Time: Integrated bulk capacitance provides a holdup time of 20 milliseconds or greater, allowing the system to ride through brief AC power sags without resetting the controller.

Product Advantages

Metso Power Boards are designed for mission-critical industrial applications where system downtime is not an option:

• High Energy Efficiency: Utilizes advanced synchronous rectification and switching topologies to achieve conversion efficiencies up to 92 percent, minimizing heat generation inside control cabinets.

• Fault-Tolerant Redundancy: Supports true N+1 parallel redundancy configurations, allowing multiple power boards to share the load and ensuring that the control system remains online if one board fails.

• Comprehensive Thermal Design: Engineered with heavy copper planes and efficient thermal vias that draw heat away from power semiconductors, enabling reliable operation at elevated ambient temperatures without relying on failure-prone cooling fans.

• Advanced Diagnostic Feedback: Includes onboard intelligent circuitry that monitors output status, internal temperature, and component degradation, reporting real-time diagnostic health data to the system controller.

• Built-In Electrical Protection: Outfitted with ultra-fast hardware-level defenses against overvoltage, overcurrent, short circuits, and reverse polarity, isolating faults instantly to prevent damage to downstream components.

Product Applications

These power boards are deployed in demanding processing industries that require continuous, uninterrupted operation:

• Pulp and Paper Mills: Supplying reliable power to DCS controllers managing high-speed paper machines, bleaching processes, and chemical recovery boilers.

• Mining and Mineral Processing: Operating within control enclosures for crushers, grinding mills, flotation cells, and thickeners where heavy dust and vibrations are present.

• Power and Heat Generation: Powering the critical logic and safety interlocks in biomass power plants, municipal district heating systems, and waste-to-energy facilities.

• Chemical and Petrochemical Refining: Hosting the energy infrastructure for distributed I/O racks managing hazardous area sensors and control valves.

• Marine and Offshore Automation: Providing stable power filtration on vessels and offshore rigs where the primary electrical grid is prone to frequent voltage and frequency fluctuations.

Important Precautions

To preserve the operational life of the power board and ensure technician safety, the following guidelines must be strictly observed:

• Shock Hazard and Discharge Time: High-voltage capacitors on the board retain dangerous levels of electrical energy after power is disconnected. Always wait a minimum of 5 minutes and verify with a voltmeter that the internal DC bus has discharged below 50V before handling the board.

• Static Dissipation Protocols: The board's control and diagnostic circuitry contains components highly sensitive to electrostatic discharge. Always wear a properly grounded static-dissipative wrist strap during installation, adjustment, or removal.

• Airflow Maintenance: While the board does not require a dedicated fan, it relies on natural convection. Mount the assembly in the exact physical orientation specified by the manufacturer and maintain the required clearance distances from adjacent modules to prevent heat trapping.

• Output Current Budgeting: Ensure that the total current draw of all connected I/O and processor modules does not exceed the continuous power rating of the board. Sustained operation near or above the limit will accelerate component aging and could trigger thermal shutdown.

• Secure Termination and Torque: For models using terminal blocks for input or output wiring, ensure all screws are tightened to the exact torque rating. Loose connections create localized high resistance, which leads to excessive heat generation, voltage drops, and potential fire risks in high-vibration environments.

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.