Detachable Communication and Application Modules for Firmware Updates
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Solution Overview
Problem
Conventional field devices integrate communication and application units, making it difficult to replace one without replacing the entire device, and firmware is stored externally, requiring full device changes for updates.
Innovation Solution
A detachable communication module with an application module that includes a processor, firmware memory, and a detachable connection unit, allowing for modular replacement and firmware management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If communication unit and application unit are integrated into one module, then device structure is simplified, but replacement flexibility deteriorates
Solution Approach 1:
The device is divided into two detachable modules: a communication module containing the communication unit and a firmware memory, and an application module containing the application unit. This segmentation allows each module to be independently replaced or upgraded without affecting the other, resolving the contradiction between structural simplicity and replacement flexibility.
2Adaptability or versatility
If firmware is stored outside application unit, then application unit can be replaced, but firmware management complexity increases
Solution Approach 1:
A firmware memory is introduced as an intermediary component that stores firmware separately from both the communication unit and application unit. The firmware memory can be detached with either module, providing a centralized location for firmware storage that simplifies management while maintaining the replaceability of individual functional modules.
3Reliability
If entire device must be changed for firmware update, then firmware reliability is ensured, but update time and cost increase
Solution Approach 1:
The firmware is extracted from the integrated device structure and stored in a separate firmware memory that can be independently accessed and replaced. This allows firmware updates to be performed by simply replacing the firmware memory component rather than the entire device, significantly reducing update time and cost while maintaining firmware reliability through controlled update procedures.
4Ease of operation
If communication module and application module are detachably coupled, then module replacement ease improves, but connection reliability may deteriorate
Solution Approach 1:
The communication module and application module are merged through a standardized detachable coupling mechanism that ensures reliable electrical and mechanical connections. The coupling design incorporates contact elements and alignment features that maintain connection reliability while allowing easy attachment and detachment of modules for replacement or upgrading.
Data Source
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AI summary
An apparatus comprises a communication unit and an application unit, either of which is easily replaceable. Provided is an apparatus including a communication module including a processor and a communication unit; and an application module detachably coupled to the communication module, wherein the application module includes a functional unit including at least one of a sensor, an actuator, or a communication port that is to be connected to at least one of an external sensor or an external actuator, and an application module memory for storing firmware that is executed by the processor.