WSRDW63542CHS901 EATON

WSRDW63542CHS901 EATON Memory Board, Dynamic

Product  Description：

The EATON Dynamic Memory Board is a component designed to function as the working memory for a host industrial control device, such as an automation controller or a drive. Unlike static memory (like EPROM or Flash) which stores the program and configuration permanently, this dynamic board (likely DRAM or similar technology) holds the active program variables, real-time data logs, temporary calculation results, and the operating system stack during runtime. It allows the main processor to access and manipulate data quickly, which is critical for the high-speed execution of control loops and logic. It typically connects directly to the host system's main bus or CPU board via a proprietary connector or slot.

Product Parameters (General/Representative)

Since this product is often specific to a legacy system, exact parameters vary significantly by part number (e.g., D520BC6, D120PM2). Representative parameters include:

• Memory Type: Typically DRAM (Dynamic Random Access Memory), which requires frequent refreshing to maintain data.

• Capacity: Ranging from kilobytes (KB) to megabytes (MB), depending on the controller generation and complexity (e.g., $128 \text{ KB}$ or $512 \text{ KB}$).

• Access Speed: Measured in nanoseconds (ns), optimized for the controller's processor speed.

• Operating Voltage: Specific to the host system, typically $+5 \text{ V}_{\text{DC}}$ or $+3.3 \text{ V}_{\text{DC}}$.

• Form Factor: A custom-designed PCB (Printed Circuit Board) that fits into a dedicated slot within the control unit enclosure.

• Data Retention: Volatile, meaning all data is lost immediately upon power loss unless backed up by a capacitor or battery on the host system.

Product Advantages

The primary advantages of using this type of memory board within the control system are:

• High-Speed Operation: Dynamic memory offers faster read/write speeds compared to non-volatile memory, enabling the processor to execute complex control logic and mathematical operations in real time with minimal latency.

• Cost-Effectiveness (Historically): In previous generations, DRAM offered a higher density of memory at a lower cost than static RAM (SRAM).

• Seamless Integration: As an original equipment manufacturer (OEM) part, it is guaranteed to be fully compatible with the specific EATON controller's hardware and firmware.

• Temporary Data Handling: It provides a large, fast area for real-time variable storage and buffering, essential for managing high-frequency I/O updates and process data.

Important Considerations (Precautions)

Several factors must be noted for the successful operation and maintenance of a Dynamic Memory Board:

• Volatility: Due to its dynamic nature, data on this board is completely lost upon power removal. The control system must be configured to load the program and initial data from a non-volatile source (like Flash or EEPROM) upon startup.

• Backup Power: The host system's battery or capacitor-backed memory section (if available) is often required to retain critical data or parameters during brief power interruptions or when the main power is cycled.

• Electrostatic Discharge (ESD): As with any memory module, extreme care must be taken during handling and installation to prevent damage from electrostatic discharge.

• Compatibility: The specific board must match the exact model and series of the EATON controller (PLC/Drive) to ensure the correct electrical and communication interfaces.

Product Applications

The EATON Dynamic Memory Board is applied in any industrial scenario requiring fast, complex control logic execution and real-time data handling:

• High-Speed Manufacturing: Used in systems controlling synchronized motion (e.g., packaging machines, printing presses) where variables need constant, rapid updating.

• Process Control: Employed in controllers managing complex chemical or fluid processes that rely on continuous, high-resolution sensor data and proportional-integral-derivative (PID) loop calculations.

• Legacy PLC and Drive Systems: Serves as a replacement or upgrade module for older EATON (Cutler-Hammer) industrial automation platforms that utilize this specific architecture.

• Data Logging and Buffering: Provides the necessary temporary storage space for buffering high-volume I/O data before it is transferred to more permanent, slower storage or communication interfaces.

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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