5437-839 - Triple Modular Redundant Chassis

SPECIFICATIONS

Part Number: 5437-839
Manufacturer: Woodward
Product type: Triple Modular Redundant Chassis
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

5437-839 is a Triple Modular Redundant Chassis developed by Woodward. TMR Main Chassis, whether employing TMR040 or TMR5200 CPUs, features a pivotal configuration wherein I/O modules are intrinsically tied to a particular Kernel. This design approach ensures that if a Kernel experiences a failure, the associated I/O modules are immediately identified as failed as well. This strategy not only contributes to the system's resilience but also simplifies troubleshooting and maintenance by providing clear indicators of impacted components.

Features

• In the MicroNet TMR Main Chassis, regardless of whether TMR040 or TMR5200 CPUs are implemented, a significant organizational principle governs the interconnection between the central processing units (CPUs) and the input/output (I/O) modules. This organizational structure plays a crucial role in ensuring the integrity and reliability of the system's operation.
• Within this configuration, the I/O modules are inherently linked to a specific Kernel. This association forms the basis for communication and data exchange between the CPUs and the various external devices, sensors, and interfaces connected to the I/O modules. The concept of a "Kernel" refers to a core processing unit that orchestrates and manages the overall system functionality, including data processing, communication, and control.
• In the unfortunate event that a Kernel experiences a failure, a carefully designed mechanism comes into play. This mechanism ensures that the I/O modules linked to that specific Kernel are identified as failed. In other words, the I/O modules associated with a particular Kernel are dependent on the proper operation of that Kernel. If the Kernel fails, the corresponding I/O modules are also flagged as failed.
• This fail-safe design is implemented to enhance the system's overall robustness and reliability. By associating I/O modules with a specific Kernel, the system can quickly identify and isolate the affected components in the event of a Kernel failure. This targeted response prevents potential data corruption, miscommunication, or faulty operations resulting from failed Kernels.

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Frequently Asked Questions

What is 5437-839?
It is an MicroNet Triple Modular Redundant Chassis developed by Woodward.

What is the purpose of the Redundant Trunk Network (RTN) in expanding the TMR5200 processor-based system?
RTN networks facilitate the expansion of TMR5200 processor-based systems by allowing up to three I/O chassis, granting each CPU access to expanded I/O resources while treating I/O in the expansion chassis as shared resources.

How does the approach to expanding the TMR system differ with TMR040 processors?
With TMR040 processors, expansion involves utilizing Transceiver modules and copper or fiber cables to establish connections between multiple chassis. The I/O in this setup is dedicated to specific CPUs.

How do these various configurations contribute to the adaptability of TMR systems?
The TMR Main chassis and its associated configurations provide flexibility, enabling TMR systems to adapt to different operational requirements and expand their capabilities while maintaining reliability and communication integrity.