What is CompactPCI?
CompactPCI is a standards-based system architecture designed for reliable operation in demanding industrial settings. It provides a robust platform for integrating high-performance computing and connectivity capabilities in applications such as telecommunications, data acquisition, medical devices, military and aerospace systems, and industrial automation.
Standards used in industrial computers
Industrial computers require specific standards to ensure compatibility, reliability, and scalability. CompactPCI provides a set of standards that address these requirements effectively. These standards define the physical, mechanical, and electrical characteristics of the CompactPCI bus and its components, ensuring interoperability among different vendors’ products.
Here are some of the key standards used in CompactPCI:
1. Physical Dimensions: CompactPCI modules are 3U or 6U in height, with a standard width of 160mm. The 3U modules are suitable for applications with limited space, while 6U modules offer more expansion possibilities.
2. Backplane: The CompactPCI backplane provides the physical interconnection between modules. It consists of a series of connectors that allow modules to communicate with each other and share power, data, and control signals.
3. Power and Ground: CompactPCI systems use a +3.3V, +5V, and +12V power distribution scheme to provide reliable power to the modules. A robust ground connection ensures electrical integrity and noise immunity.
4. Peripheral Component Interconnect (PCI) Bus: CompactPCI utilizes the PCI bus, a well-established industry standard for high-speed data transfer. The PCI bus provides a flexible and scalable interconnect for a wide range of devices, including processors, memory, network interfaces, and storage.
5. Hot Swap: CompactPCI supports hot swap functionality, allowing modules to be inserted or removed without interrupting system operation. This feature is crucial for applications that require high availability and minimal downtime.
6. Extended Temperature Range: Industrial environments often expose computing systems to extreme temperatures. CompactPCI offers extended temperature range options, ensuring reliable operation in harsh conditions.
CompactPCI offers high reliability, scalability, and performance, making it a popular choice in industrial computing. The modularity of the architecture allows for easy customization and future expansion without significant redesign efforts.
In conclusion, CompactPCI is a well-established system architecture that provides the necessary standards for building reliable and high-performance industrial computers. Its use of industry-standard components and robust design make it suitable for a wide range of applications, where durability and compatibility are crucial.
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