JAMSC-120DDO34310 YASKAWA

JAMSC-120DDO34310 YASKAWA Memory Board, Dynamic

Product  Description：

The Yaskawa Dynamic Memory Board, often utilized within the MP series machine controllers and specialized drive units, is a high-speed volatile storage expansion module. These boards provide the necessary workspace for large-scale data handling, real-time buffering, and complex motion profile storage. Unlike static memory, dynamic memory modules are designed for high-frequency read/write cycles, making them essential for applications that involve constant data refreshing and high-speed computational tasks.

Product Parameters

The technical characteristics of the Yaskawa Dynamic Memory Board are focused on capacity and data throughput efficiency:

• Memory Capacity: Typically available in varying configurations, often ranging from 4MB to 64MB or more, depending on the specific controller generation.

• Access Speed: Optimized for zero-wait-state access, allowing the central processor to retrieve motion parameters and variable data without cycle time delays.

• Data Retention: Being dynamic (volatile) memory, it requires active power to maintain data; however, it is often supported by the controller's internal battery backup system for short-term power loss.

• Interface Type: Proprietary high-speed bus connector designed for direct mounting onto the central unit or specialized expansion slots.

• Refresh Rate: Managed automatically by the memory controller to ensure data integrity without interrupting user program execution.

• Operating Voltage: Draws power directly from the system backplane, typically at 3.3V or 5V DC levels.

Product Advantages

Integrating a Yaskawa Dynamic Memory Board into a control system provides several key performance benefits:

• Massive Data Buffering: Allows for the storage of thousands of data points for "on-the-fly" motion changes, which is critical for complex curved paths and high-speed camming.

• Improved Computational Efficiency: Provides the CPU with a large workspace to execute advanced mathematical algorithms without being constrained by the smaller built-in memory of the base unit.

• High-Speed Recipe Management: Facilitates the rapid switching of machine parameters and recipes, enabling "batch-of-one" manufacturing flexibility.

• Enhanced Traceability: Offers sufficient space for high-resolution data logging of machine states, motor currents, and error codes for advanced diagnostics.

• Seamless System Expansion: Designed for plug-and-play compatibility, allowing users to increase the memory capacity of existing systems without replacing the primary controller.

Product Applications

These memory boards are found in systems where data density and speed are paramount:

• Complex Motion Contouring: Storing large sets of coordinate data for 3D CNC machining, laser cutting, and robotic spatial movements.

• High-Speed Data Logging: Capturing real-time performance metrics in high-speed printing or semiconductor manufacturing for quality assurance.

• Electronic Camming (ECAM): Managing large and intricate cam profile tables that require rapid access during high-speed machine cycles.

• Multi-Axis Synchronization: Coordinating the memory-intensive tasks involved in synchronizing dozens of servo axes in large-scale packaging lines.

• Automated Inspection Systems: Temporary storage for data gathered from sensors and vision systems before it is processed by the main CPU.

Important Precautions

To ensure the longevity and reliability of the dynamic memory board, the following precautions are necessary:

• Anti-Static Handling: Like all high-density memory components, these boards are extremely sensitive to electrostatic discharge (ESD). Always handle the board by its edges and use an anti-static wrist strap during installation.

• Power-Off Installation: Never install or remove the memory board while the controller is powered on. Doing so can cause permanent damage to the memory chips and the controller's internal bus.

• Battery Maintenance: Since the memory is dynamic and volatile, ensure that the system battery is healthy. If the battery fails during a power outage, all data stored on the dynamic board will be lost.

• Proper Seating: Ensure the board is fully seated and the locking clips or screws are secured. A loose memory connection can cause intermittent system crashes, "blue screen" errors in the software, or CPU stops.

• Environmental Protection: Do not expose the board to conductive dust or moisture. Use the memory in an environment that meets the specified humidity and temperature ranges to prevent bit-errors or physical deterioration.

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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