Field Sensor Parameter Set Switching for Adaptive Plant Operation
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Solution Overview
Problem
Field devices in industrial plants often require manual parameter changes, which can be cumbersome and inefficient, especially when process variables like temperature affect parameter settings, necessitating multiple devices with different settings.
Innovation Solution
A field device with a sensor unit, memory unit, and electronic unit that allows switching between predefined parameter sets via a signal, eliminating the need for manual access and enabling automatic adaptation to changing conditions through wireless or wired communication networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual parameter changes are implemented in field devices, then parameter settings can be adjusted, but the operation becomes cumbersome and inefficient
Solution Approach 1:
The field device dynamically switches between different parameter sets based on process conditions (e.g., temperature changes). Instead of static manual configuration, the device automatically loads appropriate parameter sets from memory when triggered by process variables or external signals, making the system adaptive without manual intervention.
Solution Approach 2:
The invention implements multiple pre-stored parameter sets that can be selectively loaded. The electronic unit stores different parameter configurations in memory and switches between them based on process conditions or received signals, enabling parameter adaptation without manual reconfiguration.
2Adaptability or versatility
If multiple field devices with different parameter settings are used, then different parameter requirements are met, but device quantity and system complexity increase
Solution Approach 1:
A single field device is designed to perform multiple parameter configurations by storing and switching between different parameter sets. The device universally handles various process conditions (different temperatures, media types, etc.) through one unit rather than requiring multiple specialized devices, reducing system complexity while maintaining flexibility.
Solution Approach 2:
The invention combines multiple parameter configurations into a single field device. Instead of having separate devices for different parameter sets, the electronic unit integrates multiple parameter sets in memory and selectively activates them, merging the functionality of what would otherwise require multiple devices.
3Reliability
If manual access to field device is required for parameter changes, then parameter security is maintained, but response time to changing conditions increases
Solution Approach 1:
Multiple parameter sets are pre-configured and stored in the electronic unit's memory during device commissioning. When process conditions change (e.g., temperature exceeds a threshold) or external signals are received, the device instantly switches to the pre-prepared parameter set without requiring manual access, achieving rapid response while maintaining security through controlled switching mechanisms.
Solution Approach 2:
The field device monitors process variables (such as temperature) and automatically triggers parameter set switching when predefined conditions are met. This feedback mechanism allows the device to respond autonomously to changing conditions, eliminating manual intervention delays while maintaining parameter security through controlled access protocols.
Data Source
AI summary
Disclosed is an automation engineering field device, comprising: a sensor unit for capturing a physical measured variable for a medium; a memory unit, wherein the memory unit stores at least one standard parameter set and further parameter sets; an electronic unit, wherein the electronic unit is configured so as, after the field device starts, to load the standard parameter set and to operate the field device on the basis of the standard parameter set and wherein the electronic unit is configured so as, when a signal is received, to take the configuration of the signal as a basis for loading one of the further parameter sets and to operate the field device, or components of the field device, on the basis of the further parameter set.