Industrial Fieldbus Configuration via Time-Sliced Synchronization
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Solution Overview
Problem
Existing industrial internet field broadband bus technologies face challenges in real-time transmission of configuration parameters due to heavy network loads, which degrade manufacturing efficiency, particularly when using CSMA/CD collision detection modes.
Innovation Solution
A method for managing configuration of an industrial internet field broadband bus that synchronizes a bus controller and terminals in clock, allocating time slices for data transfer using Time-Trigger Ethernet (TTE) or Time Division Multiple Access (TDMA), and creating a three-dimension correspondence relationship between IP addresses, MAC addresses, and type identifiers to ensure real-time configuration information transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If CSMA/CD collision detection mode is used for transmitting configuration parameters over Ethernet, then network compatibility is maintained, but real-time transmission performance deteriorates under heavy network load
Solution Approach 1:
The patent segments the Ethernet frame into two distinct types: real-time configuration parameter transmission frames and ordinary data frames. Real-time frames use a dedicated transmission mechanism with priority handling, while ordinary frames continue to use standard CSMA/CD. This segmentation allows real-time parameters to be transmitted without being affected by network collisions and heavy load, thus resolving the contradiction between maintaining network compatibility and achieving real-time transmission performance.
2Productivity
If configuration parameters are transmitted in real-time, then manufacturing efficiency is improved, but network complexity increases
Solution Approach 1:
The patent extracts the real-time configuration parameter transmission function from the standard Ethernet protocol stack and implements it as a separate, dedicated transmission mechanism. This extracted mechanism operates independently with its own frame format and transmission rules, allowing real-time parameter transmission without complicating the overall network configuration. The extraction principle enables manufacturing efficiency improvement while keeping network complexity manageable.
Solution Approach 2:
The patent introduces specific parameter changes to enable real-time transmission: a dedicated real-time flag bit in the frame header, priority transmission parameters, and timing synchronization parameters. These parameter changes are localized to real-time frames only, allowing the network to maintain standard operation for ordinary traffic while achieving real-time performance for configuration parameters, thus improving manufacturing efficiency without significantly increasing overall network complexity.
Data Source
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Figure 2
AI summary
The invention relates to a method for managing configuration of an industrial internet field broadband bus, the method being applicable to a two-wire data transfer network in which a bus controller and respective bus terminals are synchronized in clock, and the bus controller allocates time slices for the respective bus terminals and the bus controller, so that the bus controller firstly acquires the configuration information, and determines the bus terminal corresponding to the configuration information, and then the bus controller transmits the configuration information to the bus terminal in the time slice occupied by the bus controller, when the bus controller need transmit configuration information to the respective bus terminals, to thereby make the bus terminal perform corresponding configuration operations according to the configuration information.