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Reference plan
Chapter 1 Introduction to RFID
1.1 Basic Principles of RFID
The radio frequency automatic identification system adopts advanced electronic technology, radio frequency technology, computer technology and network technology. After processing the collected electronic label information in real time, it can be transmitted to the production dispatch center or enterprise intelligent management system through the computer network. It is mainly composed of three parts: an electronic tag, a reading (writing) device and an antenna.
The basic principle is to use the spatial coupling (electromagnetic coupling or electromagnetic propagation) transmission characteristics of radio frequency signals to realize automatic identification of identified objects and information collection of identified objects.The picture below shows the working principle of the RFID system
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Schematic diagram of the working principle of the RFID system
Due to the small size, large capacity, long life, and reusability of RFID tags, it can support fast reading and writing, multi-eye identification reading, non-visual identification, mobile identification, positioning and long-term tracking management. Therefore, in recent years, RFID technology has been continuously combined with Internet, communication and other technologies, and has been applied to many fields such as industrial automation, commercial automation, transportation, logistics, supply chain management, public information services, etc., gradually realizing global item tracking Sharing with information, greatly improving management and operation efficiency, and reducing costs, RFID technology is considered to be one of the most promising information technologies in the 21st century.
1.2 Comparison of RFID and barcode
RFID has always been shown to the world as a bar code substitute. RFID has the following characteristics:
Reading data is convenient and fast: data reading and writing do not need to be touched, and there is no need to aim at the target object, and multiple objects can be processed at the same time, which can be identified in batches.
Good penetration: Because RFID uses radio waves, it is not interfered by tangible objects and can even be identified through the outer packaging. It can also be used in high-polluting, radioactive environments such as dust and oil, or dark environments.
Data can be read and written dynamically: The electronic tag can communicate with the reader at a frequency of 50 to 100 times per second. As long as it is within the effective recognition range, the position of the object can be dynamically tracked and monitored. The programmer can write data to the tag. How to write the logistics processing status into the label, and provide the next process to read and judge.
Large data capacity: RFID tag data storage specifications range from 32Kbit to 1024Kbit.
Easy to miniaturize and diversify: The reader is not restricted by size and shape when reading electronic tags.
RFID is a kind of automatic identification technology. Compared with barcode, RFID has greater technical advantages. The following table compares barcode technology and RFID technology.
Table 1: Comparison of RFID and barcode functions
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Table 2: Comparison of RFID and barcode processing speed
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1.3 RFID system architecture
The RFID application system includes the front-end RFID data collection system, middleware, and data transmission according to certain business rules, and the back-end business systems related to the RFID data system, such as CRM, ERP, WMS, SCM, etc.
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For the paper packaging factory WMS (Warehouse Management System), we have developed a system based on your production process and functional requirements. In the data collection module, we use RFID technology to perform subsequent operations on the labeled raw materials and finished products. The printing of lists and reports, as well as the collection of data in statistics and analysis, is accurate and fast, and can be used as needed.
Chapter 2 System Introduction
This system is developed based on the technological process and office operation of the paper packaging factory, and is developed using modern information management system design technology. And adopt the use of a large number of customers to verify, feedback suggestions, continuous optimization and improvement, to form an efficient, easy-to-use system with massive data processing capabilities.
System Features:
Accuracy: The system provides verification settings. For example, after entering the cost of the order, the system will verify whether the value is correct, and it will prompt if it is incorrect; the system can set the range of cutting width and the wide range of materials used, if the result is calculated If it is not in this range, it means there is an error, and the user will be prompted to correct it.
Flexibility: Users can set the paperboard cost calculation formula, loss formula, cutting formula, etc. to make the system automatically calculate the corresponding results, avoiding low work efficiency and easy errors caused by repeated operations.
Ease of use: Multi-window operation mode, full keyboard operation, various shortcut keys, and user-friendly design make it easier for customers to quickly grasp the system, enter the working state, and improve efficiency.
2.1 Main functions of the system
The system covers raw paper (purchasing, receiving, warehousing), inventory, production management, freight management, material management, customer relations, business analysis, financial management, branch remote management and other functions, to achieve logistics, capital flow, information flow The integrated management of the company realizes the integrated management from planning (orders) to production, from purchasing to products, from business to finance, and from products to customers.
Inventory information
Inventory category, inventory information, inventory billing, etc.
Procurement management
According to the purchase information, purchase contract, and purchase order generation, the purchase status can be updated and processed in real time during the implementation of the purchase process, and the purchase status list can be printed out to clearly know the raw material purchase situation. It also includes supplier information.
Warehousing and freight
Purchase warehousing, other warehousing, material output, inventory status, purchase returns, receipt details, inventory query, inventory ledger, inventory counting.
This part is an important functional module of the entire system, because it can timely feedback the information in the raw material warehouse to the production department, purchasing department, development department, financial department… Among them, in the data collection, such as purchase and storage, data collection They are all using RFID technology, so with its fast, accurate and efficient collection capabilities, it provides strong data support for enterprise production decision-making and production management.
cost analysis
Period-end cost analysis, manual adjustment of unit price, installment cost summary, labor cost summary, labor cost query, period-end inventory carry-forward.
basic information
Departments, personnel, currency exchange rates, paper settings, etc.
System Management
Authority management, backup database, restore database, change password, language selection, etc.
2.2 RFID raw material labeling process
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[1]If an enterprise wants to apply an ERP system, considering the cost, it can consider adopting bar codes in the WMS module and RFID technology in the finished product warehouse management module. However, due to the continuous advancement and renewal of technology, in order to improve the production efficiency and management capabilities of enterprises on a large scale, RFID should be the first choice in the WMS module. Refer to the ERP solution.
Chapter 3 Summary
This set of solutions can effectively solve the current storage management problems of printing products companies, because printing products companies may still use the old method of pen and paper records in the process of raw material warehouse management due to the variety of raw materials and cumbersome data. To be fast, accurate, and efficient, so when using WMS (Warehouse Management System), data collection uses RFID technology, which can greatly increase the amount and speed of data and information collection, and a series of processing functions after these data collection are for production Management has broadened new horizons and a higher level. The improvement of production efficiency, the efficient use of human resources…In short, the benefits brought to the enterprise will be a qualitative leap.
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