Functional Description

The IS215VCMIH2CC is a GE-developed bus master controller module that is part of the Mark VI control system.

It is part of the Mark VI control system.The VCMI bus master controller plays a key role in the system architecture as an integrated communications interface that coordinates the exchange of data and commands.

As the link between the master controller and the array of I/O boards, the VCMI ensures smooth and efficient communication channels and facilitates seamless integration of the various components.

In addition, VCMI’s importance is reflected in its connection to the wider system control network, known as the IONet, which plays a vital role in coordinating communications across the network infrastructure.

Features

A distinctive feature of the VCMI is that it acts exclusively as a VMEbus master within the control and input/output racks.

The VCMI is responsible for the VMEbus, a standardized computer bus structure, and oversees the coordination of data transfer and control signals within these racks.

The VCMI manages the assignment of unique identification (ID) to all boards in the rack and their associated terminal boards.

This ID management function ensures that the various components within the rack are identified and interacted with in a systematic and organized manner, thereby increasing the overall efficiency and reliability of the system.

The VCMI Bus Master Controller is a multifaceted communications hub that seamlessly www.abb-drive.com connects controllers, I/O boards and the broader system control network.

As a VME Bus Master Controller in a given rack, it enhances its ability to manage and optimize the flow of information, ultimately improving the performance and cohesiveness of the integrated system.

Board Type: 6U High VME Boards

The boards specified are classified as 6U High VME boards and are dimensioned to meet the widely adopted VME standard. At 6U high, the boards conform to a standard form factor and are compatible with a range of systems and platforms that meet the same specifications.

At 0.787 inches wide, this VME board integrates seamlessly into the VME chassis, contributing to the modularity and scalability of the overall system.

Processors

Texas Instruments TMS320C32 32-bit Digital Signal Processor: At the heart of this VME board is the highly capable Texas Instruments TMS320C32.

This processor is a 32-bit digital signal processor (DSP) known for its ability to handle complex mathematical calculations and signal processing tasks.

The TMS320C32 is a rugged, purpose-built processor ideally suited for applications requiring high-speed, efficient digital signal processing, and is therefore well suited to the intended function of this board.

Memory

Dual-port memory, 32-bit transfer configuration 32 Kbytes: The memory architecture of this VME board is designed for optimal performance and data processing.

The board is equipped with dual-ported memory, which facilitates simultaneous access to data from multiple sources, increasing overall efficiency.

The memory configuration includes 32 Kbytes of SRAM (Static Random Access Memory) in a 32-bit transfer setup.

This memory selection meets the requirements of data-intensive applications, ensuring fast access and retrieval of information.

SRAM, 64k x 32; Flash, 128k x 8: For further memory specifications, the boards are equipped with 64k x 32 SRAM, providing a large cache for storing and processing data in real time.

In addition, a 128k x 8 Flash memory further extends the board’s storage capacity, providing non-volatile memory for program storage and data retention.

This dual-memory configuration meets the diverse needs of the applications supported by the board, balancing speed and data persistence.

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