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RFID Warehouse Management Application

1970-01-01

RFID (Radio Frequency Identification), commonly known as "RFID Tag", is a non-contact automatic identification technology. It automatically recognizes target objects and obtains related data through radio frequency signals. The identification work requires no manual intervention and is a wireless version of the barcode. RFID technology has the advantages of waterproof, anti-magnetic, high-temperature resistance, long service life, far read distance, data encryption on the label, larger storage data capacity, and easy change of stored information. RFID revolutionizes warehouse management:

1. Automatic access to and from the warehouse: 
Hand-held readers can read and write at distances of up to 2-5 meters. Read-write readers can read and write distances of up to 12 meters. If you use active electronic tags, the effective identification distance can reach 30 meters. It effectively solves the problem that the bar code store must manually scan the bar code in the past, achieve automatic access to the warehouse, and greatly improve the storage labor costs and the use of forklifts.

2. Reading instantly: 
Once the tag enters the magnetic field, the reader can instantly read the information, using RFID anti-collision technology and fixed reader, you can instantly read dozens of hundreds of Tags greatly improve scanning efficiency and reduce labor costs.

3. No obstructive reading: 
When scanning traditional bar codes, the labels cannot be blocked. RFID can penetrate through non-metallic and non-transparent materials such as paper, wood, and plastics, and communicates transparently without the need for light sources. It can provide a better scanning experience for quick sorting, finding and inventory. 

4. Large data capacity: 
The capacity of the dimensional bar code is 50 Bytes, the maximum capacity of the 2D barcode can store 2 to 3,000 characters, and the maximum capacity of the RFID is several MBytes. With the development of memory carriers, the data capacity has also continued to expand. The amount of data required to carry future items will increase, and the demand for the capacity of labels to expand will increase accordingly.

5. Long service life, adapting to harsh environment: 
RFID's radio communication method can make it applicable to high pollution and radioactive environment such as dust, oil, etc. It has more than 10 years (100,000 reading and writing) life; carrier label of traditional barcode Paper is susceptible to contamination, but RFID is highly resistant to substances such as water, oil, and chemicals. In addition, since the bar code is attached to a plastic bag or an outer carton, it is particularly vulnerable to breakage. The RFID tag is designed to store data in the chip, so it can be protected from contamination, and the anti-pollution ability and durability of RFID are strong.

6. Repeated use: 
The RFID tag content can be changed. The direct benefit is that RFID tags can be reused. This eliminates the need for traditional bar code labels to be used only once, which can effectively reduce the cost of corporate supplies. Enterprises that use bar code storage systems must purchase a large amount each year. 

7. Security: 
RFID tags can not only be embedded or attached to different shapes and types of products, but also can set passwords for the reading and writing of tag data, so as to have higher security. The data content can be protected by passwords, making it difficult for the content to be forged and altered, making it more secure.

8. Compact size and shape diversity: 
RFID does not need to match the fixed size and print quality of the paper for reading accuracy, and is more suitable for miniaturization and various forms of development to facilitate embedding or attachment to different shapes and types of products.
 
Compare with traditional barcode labels
Traditional barcode Tags
RFID Tags
Reading and writing distance is
 near, generally within 0.5m
Reading and writing distance is far, UHF tag up to 12m
Only one tag can be read at a time
Hundreds of tags can be read at the same time
Can’t penetrate media
Accessible reading, can penetrate paper, wood, etc.
Small data storage capacity
Large data storage capacity
Easily damaged and easily contaminated
Long service life, adapt to harsh environment
Not reusable
Reusable
Usually paper labels
Small size and various shapes. Available in plastic, ceramic, etc. packages

Solution Overview

Using advanced RFID technology, RFID tags are placed on the goods in the warehouse, each product is marked, or the pallets are identified, so that the goods are connected to the pallets; then, antennas and readers are installed at the entrances to and exit from the warehouses. When the cargo tray passes through the gate, the tag will be read by the reader, so that the quantity of the incoming and outgoing goods can be known by counting the number of tags, and then the warehouse software can be used to automatically process the inbound and outbound warehouses to complete the operation of automatic storage.

Placing labels on shelves to identify shelves and installing readers and on-board computers on forklifts will enable the correlation of goods and shelves; reading the labels of shelves and goods by forklift readers can accurately record goods. The storage location of the forklift truck can also provide information on the position of the forklift in the warehouse, so as to assemble the forklift.

The process of inventorying is done using a handheld device. The employee reads the data on the goods he wants to inventory. At the same time, he can read the tags to know the relevant information of the goods, and can also enter the name of the goods to find the location of the goods in the warehouse.

Implementation benefits
Availability of inventory can be increased by 5% to 10%.
Speed of delivery can be increased by 10%.
Labor costs can be deducted by 20%.
Site management fees can be deducted by 30%.
Throughput of warehouse products can be increased by 20%
Damage rate and Expired goods accounted can be deducted by 20%