GE IC698CMX016 PACSystems RX7i Control Memory Xchange 16MB Memory

GE IC698CMX016 PACSystems RX7i Control Memory Xchange 16MB Memory

The IC698CMX016 is a specialized module used in demanding, high-performance control systems where data sharing and system integrity are paramount. Common applications include:

  • Redundant Control Systems: Used in mission-critical applications like power generation, oil and gas, and water treatment, where a system failure is not an option.
  • Distributed Control: For large-scale manufacturing lines or processes where different parts of the application are controlled by separate CPUs, but they need to share common data in real-time.
  • Data Logging: It can be used to store high-speed process data for later analysis or to provide a buffer for data transfer to a higher-level system.
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الوصف

The GE IC698CMX016 is a Control Memory Xchange (CMX) module for the PACSystems RX7i series of Programmable Logic Controllers (PLCs). Its primary purpose is to provide a dedicated, high-speed shared memory space that can be accessed by multiple CPUs in a redundant or distributed control system.

 

Key Features

 

  • Shared Memory: The core function of the CMX module is to create a common memory block that is accessible to multiple CPUs. This allows for extremely fast, low-latency data exchange between controllers without the overhead of traditional communication protocols like Ethernet.
  • Size: The “016” in the part number indicates it provides 16 Megabytes of shared memory. This is used for storing large data sets, recipes, or critical variables that must be synchronized across multiple processors.
  • Redundancy and High Availability: The CMX module is a critical component in redundant RX7i systems. It is used by the primary and standby CPUs to continuously share data and ensure a seamless, bumpless transfer of control in the event of a failure.
  • High-Speed Backplane: The CMX module connects directly to the RX7i’s high-speed backplane, allowing for real-time, deterministic data access. This high-speed capability is essential for applications that require rapid synchronization and coordination between controllers.

 

Applications

 

The IC698CMX016 is a specialized module used in demanding, high-performance control systems where data sharing and system integrity are paramount. Common applications include:

  • Redundant Control Systems: Used in mission-critical applications like power generation, oil and gas, and water treatment, where a system failure is not an option.
  • Distributed Control: For large-scale manufacturing lines or processes where different parts of the application are controlled by separate CPUs, but they need to share common data in real-time.
  • Data Logging: It can be used to store high-speed process data for later analysis or to provide a buffer for data transfer to a higher-level system.

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