Motor Control Center Optical Network Connectivity
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Solution Overview
Problem
Conventional motor control centers lack efficient solutions for routing Internet and Ethernet protocol media within high voltage environments, particularly for distributing data between components in individual bays.
Innovation Solution
The implementation of wireway optical network conductors and distribution nodes within motor control centers, coupled with in-bay data terminals, enables the routing of Ethernet and Internet protocol data, using plastic optical fibers to facilitate connectivity between components and external networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional industrial data exchange protocols with dedicated physical media are used in MCCs, then data exchange for control and reporting is sufficient, but Internet and EtherNet protocol connectivity is not achieved
Solution Approach 1:
The patent introduces distribution nodes as intermediary devices that bridge the gap between conventional industrial protocols and modern Internet/EtherNet protocols. These nodes are positioned within the wireway system and act as mediators that translate and relay data between different protocol types, enabling both legacy and modern communication requirements to coexist within the same MCC infrastructure
Solution Approach 2:
The wireway infrastructure is designed to serve multiple functions simultaneously: it continues to carry traditional power and control signaling while also accommodating optical network conductors for Internet and EtherNet connectivity. The distribution nodes themselves are multi-functional, handling both industrial protocol data and standard network protocols through a single integrated platform
2Adaptability or versatility
If optical network conductors are routed through wireways to individual bays, then Internet and EtherNet connectivity is achieved, but the complexity of routing and distributing data media increases
Solution Approach 1:
The network distribution system is segmented into discrete distribution nodes positioned at strategic locations within the wireway. Each node handles a specific segment or group of bays, breaking down the complex task of routing network conductors to every individual bay into manageable segments. This modular approach simplifies installation and maintenance while achieving comprehensive coverage
Solution Approach 2:
Distribution nodes serve as intermediary points that simplify the routing complexity by providing centralized connection points within the wireway. Instead of running individual conductors from a central location to each bay, the nodes act as intermediate distribution points that localise connectivity, reducing overall routing complexity
3Adaptability or versatility
If distribution nodes are installed in all bays, then comprehensive network coverage is achieved, but the cost and complexity of the system increases
Solution Approach 1:
The patent implements distribution nodes selectively rather than universally in all bays. Nodes are installed only in bays where Internet or EtherNet connectivity is actually required, applying the principle of partial action. This approach achieves comprehensive network coverage for needed components while avoiding the unnecessary cost and complexity of installing nodes in every single bay
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution provides reliable and efficient Ethernet and Internet connectivity within motor control centers, enabling flexible and resilient data transmission in high voltage environments, supporting real-time applications and enhancing integration with external networks.
Implementation Method 1
Wireway optical network conductors are disposed a wireway for conducting data during operation
Data Source
AI summary
A motor control center comprises a plurality of bays in which switchgear components, circuit protective components, automation components and power electronic components are disposed for driving motors and other loads. Network optical conductors are routed through one or more wireways adjacent to the bays. Distribution nodes are coupled to the conductors and are interconnected with respective network terminals within the bays. Components within individual bays for which EtherNet and/or Internet connectivity is desired are coupled to the network terminals. The conductors may comprise plastic optical fibers and may be designed to operate in the relatively high voltage environment of the motor control center bays.