109070-015R RELIANCE

Reliance 109070-015R Circuit Board

Brand：RELIANCE Model number：109070-015R

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

A Reliance Circuit Board refers to a custom-designed Printed Circuit Board (PCB) developed by Reliance Electric for its specific industrial control and power electronics equipment. These boards serve as the foundation for mounting and interconnecting various electronic components (integrated circuits, resistors, capacitors, etc.) to perform dedicated functions within a larger system. They are the "brains" or "muscle" of a specific part of a drive, a controller, or an I/O module.

Functionality: Each circuit board had a highly specialized function within a Reliance Electric product. This could range from power conversion (e.g., rectifier boards in drives), signal processing (e.g., control boards in PLCs), communication interfaces, or input/output conditioning. They facilitated the execution of complex algorithms for motor control, process automation, data acquisition, and communication.
Design: These boards were engineered for robust industrial environments, often featuring multi-layered designs, specific copper weights for power handling, and specialized materials to withstand temperature variations, vibration, and electrical noise inherent in industrial settings.

Product Parameters

Given the vast range of products Reliance Electric produced, the parameters of their circuit boards varied significantly depending on the application:

Voltage/Current Ratings: Highly specific to the circuit's purpose. Power boards would handle high voltages (e.g., hundreds of volts AC/DC) and high currents (e.g., tens to thousands of amps), while control boards would operate at lower voltages (e.g., 5V, 12V, 24V DC) with low current signals.
Number of Layers: Could range from simple single-sided or double-sided boards for basic functions to complex multi-layer boards (e.g., 4 to 14+ layers) for high-density components and signal integrity.
Component Density: Reflected the complexity, from boards with a few large power components to those densely populated with surface-mount devices (SMDs) and fine-pitch ICs.
Processing Power: If the board housed a microcontroller or DSP, its processing speed and memory capacity would be relevant.
Communication Interfaces: Boards might include specific physical layers for industrial communication protocols like serial (RS-232/485), Ethernet, or proprietary buses.
Operating Temperature Range: Designed for industrial temperatures, typically -25°C to 70°C, sometimes wider.
Thermal Management: Often incorporated design features for heat dissipation, such as large copper planes or provisions for heat sinks.
Physical Dimensions: Varied greatly based on the product enclosure and function.

Product Advantages

The advantages of Reliance Electric's circuit boards were inherent to the performance and reliability of the complete industrial product they were part of:

High Reliability: Engineered for long-term operation in demanding industrial conditions, minimizing equipment downtime.
Optimized Performance: Custom-designed to achieve peak performance for their specific function, whether it's precise motor control, fast data processing, or robust power conversion.
Integration and Compatibility: Seamlessly integrated within Reliance Electric's broader product ecosystems (drives, PLCs), ensuring optimal compatibility and system performance.
Robustness: Built with industrial-grade components and construction methods to withstand electrical noise, vibration, and temperature extremes.
Maintainability (for the overall product): While the board itself might not be field-repairable, its modular design within the larger product often allowed for easier replacement, reducing repair times for the overall system.

Important Considerations

Specific Model: Since "Reliance Circuit Board" is a generic term, understanding the specific model number of the original Reliance Electric product (e.g., a particular drive, PLC module) is crucial to identify the exact circuit board and its function.
Replacement/Repair: Many older Reliance Electric circuit boards are no longer manufactured. Replacement often involves finding refurbished units from specialized industrial electronics suppliers or utilizing repair services.
Compatibility: If replacing a board, ensuring exact model and firmware compatibility is vital for the proper function of the industrial equipment.
Installation Environment: Though designed for industrial use, ensuring the overall equipment enclosure provides adequate protection from contaminants (dust, moisture, corrosive gases) and maintains proper operating temperature is important for the board's longevity.
Static Discharge (ESD) Protection: Like all electronic circuit boards, careful handling with ESD precautions is essential during installation or removal.

Product Applications

Reliance Electric's circuit boards were core components in a vast array of industrial applications where their drives, PLCs, and control systems were deployed:

Motor Control:

Variable Speed Drives (VSDs): Power boards for rectifying/inverting power, control boards for motor speed/torque regulation, and communication boards for network integration.
DC Drives: Power conversion and control for DC motors.

Industrial Automation:

Programmable Logic Controllers (PLCs): CPU boards for logic execution, I/O boards for field device interfacing, and communication boards.
Distributed Control Systems (DCS): Similar roles to PLCs but in larger, more complex process control environments.

Material Handling:

Controlling conveyors, cranes, and robotic systems in factories and warehouses.

Paper and Pulp Industry:

Precise control of paper machines, winders, and rewinders.

Metals Industry:

Controlling rolling mills, coil processing lines, and furnaces.

Food and Beverage:

Automation of bottling, packaging, and processing lines.

Water and Wastewater Treatment:

Controlling pumps, valves, and filtration systems.

0726-07-010 RELIANCE

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