RKW-352XZ METSO

RKW-352XZ METSO Circuit Board

Product  Description：

Metso Outotec (now Metso) circuit boards are specialized electronic assemblies designed for the heavy processing industries, particularly mining, aggregates, and metals refining. These industrial-grade boards function as the core control components within crushing, screening, grinding, and pyro-processing machinery. Engineered to interface directly with distributed control systems (DCS) and field instrumentation, they process complex sensor feedback and execute precise control commands under extreme operating conditions.

Product Parameters

The technical configuration of a Metso circuit board focuses on electrical isolation, processing reliability, and high structural resilience:

• Operating Input Voltage: Typically supports a wide tolerance band around standard industrial levels, such as 24V DC for logic control circuits and up to 110V or 230V AC for specific relay output boards.

• Signal Type Compatibility: Capable of processing high-precision analog signals (4-20mA, 0-10V DC) from heavy-duty sensors, as well as discrete 24V DC binary signals from safety interlocks.

• Processing Architecture: Built around dedicated microcontrollers or field-programmable gate arrays (FPGAs) optimized for low-latency loop execution and real-time diagnostic reporting.

• Galvanic Isolation: High-level circuit isolation, typically rated up to 2500V AC or higher, separating vulnerable logic processing zones from harsh field-side electrical interference.

• Dielectric and Heat Tolerance: Substrates are manufactured utilizing high-glass-transition-temperature FR-4 or specialized composite materials rated to operate continuously between -40°C and 75°C.

• Conformal Coating Standard: Circuit traces are protected with specialized coatings (often adhering to class G3 standards) to prevent moisture, chemical vapor, and conductive mineral dust from bridging connections.

Product Advantages

Metso circuit boards offer distinct engineering benefits tailored for heavy-industry manufacturing and processing environments:

• Exceptional Shock and Vibration Resistance: Built with heavy-duty solder connections, anchored heat sinks, and robust mounting interfaces to withstand the intense continuous mechanical vibration of industrial crushers and screens.

• Onboard Diagnostics and Fault Detection: Integrated with smart monitoring components that track internal board temperatures, supply voltage drops, and loop discontinuities, flashing localized fault states before catastrophic component damage occurs.

• Advanced Noise and Surge Protection: Features built-in metal oxide varistors (MOVs) and transient voltage suppression (TVS) diodes that safely ground power surges caused by lightning strikes or large motor startups on the industrial grid.

• Modular and Scalable Design: Built to seamlessly interface with Metso’s proprietary control architectures, allowing maintenance technicians to swap boards quickly without updating system-wide control software.

• Energy Efficiency: Uses optimized switching regulators that reduce internal heat generation, prolonging the operational lifespan of neighboring capacitors and logic gates.

Product Applications

These circuit boards are deployed globally across capital-intensive raw material processing plants:

• Mineral Processing: Serving as the main logic driver in heavy-duty grinding mills, flotation cells, and thickeners used during ore extraction.

• Aggregate Crushing and Screening: Managing the automated jaw adjustment, conveyor feed rates, and lubrication cycles of mobile and stationary crushing plants.

• Pyrometallurgy and Refining: Controlling temperature loops, air-to-fuel ratios, and exhaust fans in high-temperature kilns, smelters, and roasting furnaces.

• Bulk Material Handling: Synchronizing the speed and belt-tension monitoring systems of long-distance overland conveyor belts and stacker-reclaimers.

• Recycling Automation: Powering the sensor arrays and hydraulic control valves in industrial metal shredders and waste separation machinery.

Important Precautions

To preserve board functionality and ensure the safety of plant personnel, the following maintenance and operational practices are mandatory:

• Strict Electrostatic Discharge Safety: Never touch the circuit board surface without wearing a properly grounded anti-static wrist strap. Static discharge can invisibly fracture logic gate junctions, causing random operational failures down the line.

• Power Discharge Waiting Period: High-capacity capacitors on power-delivery sections of the board can hold dangerous electrical charges for several minutes after external isolation. Wait a minimum of five minutes before handling the board after a power shutoff.

• Enclosure Sealing Requirements: Due to the conductive nature of mineral and metallic dusts found in mining environments, these boards must always be housed in an IP65 or better enclosure with tightly sealed cable glands.

• Cable Routing Discretion: Keep sensitive analog signal cables connected to the board completely separated from high-voltage variable frequency drive (VFD) power cables to avoid electromagnetic cross-talk and signal corruption.

• Torque Specifications: When securing field wiring to the board's terminal blocks, adhere precisely to the manufacturer's specified screw torque limits. Overtightening can crack the underlying PCB layer, while undertightening causes high electrical resistance and localized heat damage.

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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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.