DMVFB3C084G EATON

DMVFB3C084G EATON Memory Board, Dynamic

Product  Description：

The EATON Dynamic Memory Board is an internal component, typically a modular circuit card, integral to industrial control platforms such as older Programmable Logic Controllers (PLCs) or specialized motion controllers. Its primary function is to serve as the high-speed, volatile Random Access Memory (RAM) for the central processing unit (CPU) of the control device. This dynamic memory is where the controller stores all active program variables, real-time input and output (I/O) data, temporary calculation results, and the operating system's workspace during runtime. The board is meticulously designed to interface directly with the control system’s internal bus structure, facilitating rapid data access essential for executing time-critical control logic and maintaining system responsiveness. It provides a fast, temporary storage solution necessary for continuous, dynamic operation.

Product Parameters

The specific technical parameters are dependent on the exact EATON control system model it is designed for, but generally include the following specifications:

• Memory Type: It utilizes Dynamic Random Access Memory (DRAM), characterized by its volatility and requirement for constant electrical refreshing.

• Capacity: Memory sizes typically range from several kilobytes (KB) to a few megabytes (MB), tailored to the data needs of the specific generation of controller.

• Access Time: The speed is optimized for the host processor, often measured in nanoseconds (ns), to ensure rapid data retrieval and manipulation.

• Interface: It employs a proprietary edge connector or specialized pin header designed to integrate perfectly with the host controller's main board.

• Power Requirements: It operates on low-voltage DC power supplied by the host unit, commonly $+5 \text{ V}_{\text{DC}}$ or $+3.3 \text{ V}_{\text{DC}}$.

• Physical Format: It is a custom Printed Circuit Board (PCB) with dimensions designed to precisely fit within the designated slot or housing of the control module.

Product Advantages

The implementation of the Dynamic Memory Board offers distinct benefits for the control system. Its key advantage is superior processing speed, enabling the controller to perform complex mathematical and logical operations with minimal latency, which is crucial for high-frequency control applications. Historically, this type of memory provided a cost-effective and high-density solution for the required working space compared to equivalent Static RAM (SRAM) architectures. As an official EATON component, it guarantees perfect hardware and software compatibility with the specific controller model, ensuring stable and reliable operation. Furthermore, it offers a large, dedicated space for real-time data buffering needed for high-speed I/O updates and process monitoring.

Important Considerations (Precautions)

Several essential precautions must be observed when dealing with this volatile memory component. Given its volatile nature, all data stored on the Dynamic Memory Board is lost immediately when power is removed, necessitating that the main program and critical configuration data are stored in non-volatile memory elsewhere in the system. When handling the board during installation or removal, strict Electrostatic Discharge (ESD) protocols must be followed to prevent irreversible damage to the sensitive memory chips. It is paramount to verify the exact part number compatibility with the host controller model, as using an incorrect board can lead to system failures. Finally, reliance on the host controller's battery-backed memory is often necessary to retain essential parameters and data through brief power outages or restarts.

Product Applications

The EATON Dynamic Memory Board finds extensive application across various industrial domains that demand high-speed, reliable control. It is fundamentally used in the core controllers of complex machinery such as packaging equipment, high-speed assembly lines, and printing presses, where precise timing and data management are critical. It plays a vital role in real-time process control systems managing fluid dynamics, chemical reactions, or temperature regulation, which require continuous, high-rate data processing. It is also an integral part of legacy PLC and Drive platforms where it provides the foundational working memory for operational stability. Essentially, it is used in any automation scenario that necessitates the rapid execution of control logic based on immediate, changing process data.

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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