IO-Link Master Dynamic Configuration Switching for Wireless Device Management
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Solution Overview
Problem
Existing IO-Link wireless systems are limited by a fixed configuration and a maximum of 40 wireless devices per master, requiring complex and time-consuming reconfiguration through a control system for dynamic device swapping or replacement.
Innovation Solution
Implementing a serial operating mode for the IO-Link master, allowing for dynamic configuration switching and enabling a single master to manage up to 1160 wireless devices by using 29 different configurations, each supporting up to 40 devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed configuration is used in IO-Link wireless systems, then device stability and connection reliability are improved, but adaptability and the ability to dynamically swap devices deteriorate
Solution Approach 1:
The patent implements dynamic configuration switching that allows the IO-Link master to change its operational configuration during runtime without requiring a complete reconfiguration through the control system. This enables devices to be dynamically swapped or replaced while maintaining connection reliability, as the master can adapt its configuration on-the-fly rather than requiring fixed permanent assignments.
Solution Approach 2:
The system allows changing configuration parameters of the IO-Link master dynamically. By modifying operational parameters such as device assignments and communication settings during runtime, the system achieves both stability (through controlled parameter changes) and adaptability (through the ability to swap device configurations).
2Reliability
If a single IO-Link master manages up to 40 wireless devices per configuration, then device connection stability is improved, but the total number of manageable devices and system versatility deteriorate
Solution Approach 1:
The IO-Link master is designed with multi-functionality to manage multiple device groups through configuration switching. A single master can handle up to 1160 devices by switching between different configurations, each supporting up to 40 devices. This universal capability allows one master to perform the function of multiple masters while maintaining stable connections within each configuration context.
Solution Approach 2:
The system uses periodic configuration switching to manage large numbers of devices. The master cycles through different configurations in a periodic manner, allowing it to service multiple device groups sequentially. This periodic action enables a single master to effectively manage thousands of devices across multiple configurations while maintaining stable connections during each active configuration period.
3Adaptability or versatility
If dynamic configuration switching is implemented, then adaptability and device management flexibility are improved, but system complexity and reconfiguration time deteriorate
Solution Approach 1:
The IO-Link master performs self-service by automatically managing configuration switching without requiring external control system intervention for each device swap. The master independently handles configuration changes, device assignments, and parameter adjustments, reducing the complexity of reconfiguration processes and eliminating the need for time-consuming manual reconfiguration through the control system.
4Measurement precision
If configuration changes are made through a control system, then system control precision is improved, but reconfiguration time and productivity deteriorate
Solution Approach 1:
Configuration options and device assignments are pre-configured and stored in the IO-Link master before runtime. This preliminary action allows the master to quickly switch between pre-defined configurations without requiring real-time control system intervention, thereby maintaining control precision while significantly reducing reconfiguration time and improving productivity during operational changes.
Data Source
AI summary
Operating IO-Link system having wirelessly connected IO-Link masters and several IO-Link devices divided into groups wirelessly connected by control system, at least one master with different configurations, one master with first configuration to operate first group of devices; a first process loop connected between at least one master and first group devices, checking communication status of connected devices of first group; at least second process loop reading devices of first group, setting configuration values for operation of first group devices, at least one master with at least second configuration operates at least second group of devices; at least third process loop connected between at least one master and devices of at least second group devices, checking communication status of connected devices of at least second group devices; at least fourth process loop reading devices of at least second group, setting configuration values for operation of at least second group devices.