FTE Status Display via EUCN Segmentation
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Solution Overview
Problem
Process control systems with Ethernet connectivity require enhanced methods to display and synchronize fault-tolerant Ethernet (FTE) status, particularly in systems with redundant cables, to improve reliability and diagnosability, as existing technologies are limited in their ability to effectively monitor and troubleshoot Ethernet cable issues within large networks.
Innovation Solution
The implementation of Enhanced Universal Control Networks (EUCNs) with Enhanced Network Interface Modules (ENIMs) and Enhanced High Performance Process Managers (EHPMs) that collect and display FTE cable status data, providing two user-selectable diagnostic views filtered by EUCN node number or FTE device index, enabling comprehensive monitoring and troubleshooting of Ethernet cable status across the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If redundant Ethernet cables are implemented to increase network reliability, then the reliability of the control system is improved, but the complexity of monitoring and diagnosing cable faults increases
Solution Approach 1:
The system implements automatic feedback mechanisms where ENIM devices continuously monitor FTE cable status and transmit this information to the universal station. The system provides real-time feedback about cable faults through standardized displays, automatically updating the universal station when status changes occur, thereby reducing the complexity of fault monitoring despite the presence of redundant cables
Solution Approach 2:
The patent introduces an intermediary layer (ENIM devices and universal station) that mediates between the physical cable infrastructure and the user. This intermediary automatically collects, processes, and presents cable status information, shielding users from the complexity of directly monitoring multiple redundant cables while maintaining high reliability
2Difficulty of detecting and measuring
If comprehensive FTE status monitoring is implemented across all devices, then the diagnosability of cable faults is improved, but the amount of data to be processed and displayed increases
Solution Approach 1:
The system segments the network into discrete EUCNs, each with its own ENIM devices that independently monitor their local FTE status. This segmentation allows the universal station to receive and display status information in organized, manageable units rather than as a single large data set, making comprehensive monitoring feasible without overwhelming data processing requirements
Solution Approach 2:
The patent organizes status data along multiple dimensions: by EUCN, by device index, and by cable status type. Users can view data filtered by EUCN node number or FTE device index, effectively reducing the dimension of data presentation from a single comprehensive view to multiple organized perspectives, thereby managing data volume while maintaining comprehensive diagnosability
3Ease of operation
If multiple display views are provided for different filtering options, then the ease of operation for troubleshooting is improved, but the device complexity increases
Solution Approach 1:
The universal station is designed with multi-functionality to provide multiple display views (filtered by EUCN node number or FTE device index) within a single device. This universal interface handles different troubleshooting scenarios through standardized display modes, improving ease of operation without requiring separate specialized devices for each view type
Data Source
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AI summary
A method (200) of displaying fault tolerant Ethernet (FTE) status in a process control system having FTE devices in a FTE community including a plurality of Enhanced Universal Control Networks (EUCNs) each having an Enhanced Network Interface Module (ENIM). FTE cable status data is collected (201) from the FTE devices during system operation. Responsive to receiving user's request (203), generating diagnostic display view data filtered by a FTE Device index including FTE status for any combination of the FTE devices or second FTE diagnostic display view data filtered by EUCN node number including FTE status for FTE devices in a user selected EUCN. The first FTE diagnostic display view data or second FTE diagnostic display view data are transmitted (204) to a device of the user (218), and is then displayed (205) on a user's display (262).