Safety Relay Configuration Interface Using Graphical Function Blocks

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Solution Overview

Problem

Current systems for configuring industrial safety relays lack an intuitive and efficient method for creating and managing configuration programs, leading to potential errors and inconsistencies in safety relay configurations.

Innovation Solution

A system comprising a configuration component and graphical interface component that organizes graphical function block elements into a structured editing window, allowing users to create configuration programs for safety relays through a user-friendly interface, ensuring design consistency and reducing errors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a traditional configuration method for safety relays is used, then the configuration process may be completed, but the method lacks intuitiveness and efficiency, leading to potential errors and inconsistencies

Engineering Contradiction:
Improveintuitiveness of configuration methodVSAvoiderror-free configuration
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces traditional text-based or manual configuration methods with a graphical user interface that uses visual function block elements. This substitution of mechanical/manual operations with graphical interactions improves intuitiveness while maintaining configuration accuracy through visual feedback and structured organization.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent uses graphical representations (copies) of function blocks to represent actual safety relay functions. These visual copies allow users to configure complex safety logic through intuitive drag-and-drop operations while the system ensures proper interpretation and error-free translation to the actual relay configuration.

Inventive Principle:
Principle #26Copying

2Ease of operation

If a graphical interface with organized function block elements is implemented, then ease of operation and design consistency are improved, but system complexity increases

Engineering Contradiction:
Improveuser-friendliness of configuration interfaceVSAvoidcomplexity of configuration system
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The configuration interface is segmented into distinct functional areas: a toolbox containing function block elements, an editing window with organized columns for different configuration aspects, and a structured layout for arranging function blocks. This segmentation makes the complex configuration process manageable and intuitive while the system handles the underlying complexity automatically.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The graphical interface acts as an intermediary layer between the user and the complex safety relay configuration system. It provides visual function block elements that simplify user interaction while the system manages the complex translation, validation, and organization of configuration parameters behind the scenes.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If manual configuration methods are used, then configuration can be created, but time consumption increases and productivity decreases

Engineering Contradiction:
Improveconfiguration creation speedVSAvoidtime for configuration process
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system prepares and organizes function block elements in advance within the graphical interface, with pre-defined structures and parameters. Users can quickly configure safety relays by selecting and arranging these pre-prepared graphical elements, significantly reducing configuration time compared to manual text-based methods while maintaining high productivity.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP2891934B1Development environment for a safety relay configuration system
Publication Date: 2019.09.18 ROCKWELL AUTOMATION TECH INC
  • EP2891934B1 patent drawingFigure 1
  • EP2891934B1 patent drawingFigure 2
  • EP2891934B1 patent drawingFigure 3

AI summary

A safety relay configuration system for configuring safety functions to be carried out by a safety relay is provided. The configuration system comprises a number of features that facilitate intuitive and simplified configuration of an industrial safety relay, including but not limited to features that guide the user through the configuration process using an intuitive sequential procedure that provides feedback and prompts based on user interaction, enforce design consistency throughout the configuration project by intelligently limiting user selections, and visually organize configuration and status information in a manner that efficiently utilizes display space and allows the user to quickly evaluate available configuration options.