Auto-Commissioning Power Line Communication System
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Solution Overview
Problem
Conventional power line communication systems for controlling multiple devices connected to a common DC power line are costly and difficult to service due to the need for expensive communication nodes and complex configurations, especially when addressable components need to be replaced or exchanged.
Innovation Solution
A DC power line communication system that uses relatively inexpensive components and implements auto-commissioning during power-up, allowing for serial communications between multiple devices connected to a common DC power line, with unique addresses assigned to each device controller upon power-up, enabling easy replacement or addition of devices without affecting the system setup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional power line communication systems use expensive communication nodes for controlling multiple devices, then communication reliability is improved, but system cost increases significantly
Solution Approach 1:
The patent replaces expensive, specialized communication nodes with inexpensive microcontrollers that can be easily replaced. Each lighting element incorporates a low-cost microcontroller that handles both power management and communication functions, eliminating the need for costly dedicated PLC communication modules while maintaining system reliability through redundancy and ease of replacement.
Solution Approach 2:
The patent integrates multiple functions into a single inexpensive microcontroller unit. Each device controller combines power line communication capabilities, address management, and lighting control functions, eliminating the need for separate expensive communication nodes and reducing overall system cost while maintaining reliability through functional integration.
2Measurement precision
If conventional PLC systems use complex configurations with addressable components, then communication precision is improved, but ease of repair deteriorates when components need replacement
Solution Approach 1:
The patent implements dynamic address assignment where device addresses are not fixed but are automatically assigned and reassignable. When a lighting element is replaced, the system dynamically reassigns addresses through the auto-commissioning process, eliminating the need for manual reconfiguration and simplifying repair while maintaining communication precision through automated address management.
Solution Approach 2:
The patent employs self-service through auto-commissioning capability that automatically detects new or replaced devices and assigns appropriate addresses without human intervention. The system autonomously manages device registration, address allocation, and communication configuration, eliminating complex manual setup procedures and simplifying maintenance operations.
3Stability of the object's composition
If conventional PLC systems require manual configuration when devices are replaced, then system stability is improved, but productivity deteriorates due to time-consuming setup
Solution Approach 1:
The patent implements preliminary action through pre-programmed auto-commissioning routines that are ready to execute immediately upon system startup or device replacement. The system预先 prepares the commissioning sequence, address assignment algorithms, and device detection protocols, enabling rapid automatic configuration without manual intervention and maintaining system stability through standardized procedures.
Solution Approach 2:
The patent uses feedback mechanisms where the system continuously monitors device status, detects changes in the network topology, and automatically adjusts address assignments accordingly. This closed-loop approach maintains system stability by ensuring consistent communication while dramatically improving productivity through elimination of manual reconfiguration time.
Data Source
AI summary
A method for auto-commissioning of multiple device control modules on a power line during the power up of the system. Device control modules associated with the peripheral devices are powered up sequentially and a unique address is assigned to each device controller when it is powered up.