Controller I/O Auto-Configuration via Instrumentation Database
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Solution Overview
Problem
Current methods for engineering automation systems are inefficient, requiring manual labor to set up and reconfigure distributed control nodes (DCNs) in automation systems, leading to increased workload and inefficiency.
Innovation Solution
A controller and setting method that includes a receiver to identify relay devices and cables, a search unit to find corresponding input-output information in an instrumentation database, and a setting unit to automatically set this information in the controller's input-output module, reducing manual intervention and enhancing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual methods are used to set up and reconfigure distributed control nodes, then flexibility and control are maintained, but engineering efficiency and productivity decrease
Solution Approach 1:
The system enables self-service automation where the controller automatically retrieves instrument connection information from the database and configures input-output module settings without requiring manual intervention. The automation system serves itself by using its own database resources to perform configuration tasks autonomously
Solution Approach 2:
The instrumentation database acts as an intermediary between the controller and the instrument connection information. Instead of manually configuring each connection, the controller queries the database which mediates the retrieval and provides the necessary connection details, automating the configuration process
2Loss of time
If manual configuration of input-output settings is performed, then accuracy can be verified, but time consumption and workload increase
Solution Approach 1:
The instrument connection information is pre-stored in the instrumentation database before the configuration process begins. By preparing this data in advance and making it readily accessible, the system eliminates time-consuming manual lookup and configuration steps while ensuring accuracy through the use of pre-verified database information
3Productivity
If automated retrieval of instrument connection information is implemented, then engineering speed increases, but system complexity increases
Solution Approach 1:
The instrumentation database serves multiple functions: it stores instrument connection information, provides data for controller configuration, and acts as a centralized repository for the entire automation system. This multi-functionality reduces the need for separate systems and databases, thereby limiting the increase in overall system complexity while enabling automated retrieval
Data Source
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AI summary
A controller includes a receiver that receives specification of identification information representing a number that identifies a relay device that is connected to a plurality of instruments or a number that identifies a cable that connects the relay device and the controller; a search unit that searches an instrumentation database that records the identification information and input-output information on the instruments that are connected to the relay device in association with each other for input-output information corresponding to the specified identification information; and a setting unit that sets the searched input-output information in an input-output module of the controller.