Configurable Sensor Heartbeat Switching for Reliable Productive Mode
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Solution Overview
Problem
Sensors in industrial processes often require manual switching between configuration and production modes, leading to increased risk of remaining in performance-limited configuration mode due to unplanned software crashes or device failures.
Innovation Solution
A sensor with a control and evaluation unit that receives a heartbeat signal from an application program, automatically switching to productive mode if the signal is not received within a specified time interval, ensuring reliable transition regardless of application program state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual switching between configuration and production modes is implemented, then configuration can be performed, but the risk of remaining in configuration mode increases due to software crashes or device failures
Solution Approach 1:
The control and evaluation unit continuously monitors activity signals from the application program and automatically switches modes based on the absence of these signals, creating a feedback mechanism that eliminates the need for manual mode switching and prevents the sensor from remaining in configuration mode due to crashes or failures
Solution Approach 2:
The sensor system performs self-monitoring and automatic mode switching without requiring user intervention. The control and evaluation unit independently detects the absence of activity signals and autonomously transitions from configuration mode to production mode, making the system self-correcting
2Adaptability or versatility
If configuration mode is activated for parameterization, then sensor can be configured, but performance is limited during configuration mode
Solution Approach 1:
The sensor dynamically transitions between configuration mode and production mode based on real-time monitoring of activity signals. The system adapts its performance characteristics automatically, switching from limited performance in configuration mode to full performance in production mode without manual intervention
3Reliability
If activity signal monitoring is implemented, then automatic mode switching is achieved, but device complexity increases
Solution Approach 1:
The control and evaluation unit performs multiple functions: it processes sensor data, manages configuration operations, monitors activity signals, and automatically switches modes. By consolidating these functions in a single multi-functional unit, the patent avoids adding separate monitoring hardware while achieving reliable automatic mode switching
Data Source
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AI summary
A configurable sensor with a control and evaluation unit and a memory is specified, wherein a configuration mode of the sensor can be activated in the control and evaluation unit by an application program provided on a terminal device connected to the sensor, and at least one parameter set of the sensor can be stored in the memory. The control and evaluation unit is configured to receive an activity signal from the application program sent by the application program to the control and evaluation unit and to deactivate the configuration mode of the sensor and put the sensor into a productive mode if the activity signal is not received within a predetermined time interval. A system for configuring a sensor and a method for configuring a sensor are also specified.