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1. System background
In the process of establishing and continuously improving the quality system, the production enterprise requires a set of clear, complete, easy-to-access and retrieve quality records for the product production line. The current bar code-based production management system enables various quality analysis and control to be easily realized. The traditional bar code system has its advantages, but also has obvious disadvantages, such as easy contamination, breakage, and the need to stop waiting for scanning one by one. The batch reading efficiency is not high, and it cannot meet the needs of fast and accurate.
2. System introduction
based onRFIDThe production line management system integrates RFID information with the existing bar code-based production management system, and organically incorporates RFID applications into the overall structure of enterprise informatization.
Use RFID, barcode, and sensors to collect real-time data on the production line, and transmit the read data to the upper equipment (controller, computer) through the network. The system realizes production line status monitoring, employee behavior monitoring, production management, quality management and tracking, material management, job scheduling, on-site operation guidance, and real-time upload of production data.
The entire network architecture must provide the function of information tracking. According to the identification code of the product, all the information of the product and the information of each flow point can be listed. In order to ensure that the tracking information is complete and the information chain can be queried in real time, the information chain backup function is provided, so that the tracking information can be found even if there is a little interruption.
Three, system function
1) Work station production and material planning management
Complete the download of production and material plans (from the ERP system to the MES server), and subdivide the production and material plans into stations according to the process, and send them to the corresponding station controllers of the production line.
2) Process management
Complete the maintenance and management of the production line process flow and process organization plan.
3) Finished product quality tracking management
Complete the full life cycle tracking of the finished product and the quality traceability of the user’s repaired product, and provide the quality inspection department with a comprehensive analysis function of the finished product quality.
4) Production monitoring
Used to monitor the execution of production plans and the real-time operating status of the production line. At the same time, managers can also issue production instructions to single or multiple workstations through this system.
5) Ingredients management
Realize material comparison and information recording of important parts.
6) Production control equipment management
Customized for system administrators to realize production site system topology management, equipment (control equipment and peripherals) management, software (control equipment loading software) management, configuration file (control equipment key parameter configuration file) management and fault management (control equipment) (Real-time monitoring of operating status, remote restart, breakpoint recovery)
7) Run schedule:
The operation scheduling function is the core of the correct and efficient operation of the system. The operation scheduling function mainly includes the following functions: control of material movement, priority scheduling, production synchronization, etc. The operation control function is the background function of the system, and there is no specific user type.
8) Production monitoring:
The production monitoring function is provided to general users, enterprise managers, leaders, etc., to keep abreast of the production progress in a timely manner. It mainly includes real-time monitoring of order execution, real-time monitoring of process production, and real-time monitoring of station (set) production. These real-time monitoring functions provide users with overall or partial production execution information, so that users can adjust production in time according to actual conditions.
Four, system characteristics
1) Strong controllability, can accurately plan the allowable range of data collection;
2) The content of the label can be read and written, and can be reused, saving costs;
3) Provide automated means for information systems to obtain real-time data;
4) Realize fine production and on-time production;
5) Optimize the production process, improve production and management efficiency;
6) Cost saving;
7) Analysis of production bottlenecks and alarms;
8) High real-time, safe and stable;
9) Realize product quality traceability.
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