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‘RFID gates’ for instant inventory management at the time of delivery. Proposal of an RFID solution through the collaboration of 3 Japanese-affiliated companies in Thailand
05/01/2022
Freewill-Mars Tohken Co., Ltd.
▲ "RFID Gates" completed with the technologies from Sato Auto-ID (Thailand), Patlite (Thailand), and Mars TohkenTohken
We have brought together the technologies from Sato Auto-ID (Thailand), Patlite (Thailand), and our company to create a demo "RFID gate" that combines UHF band IC tags, UHF band RFID antennas and a network monitoring indicator.
There are reasons why we created the RFID gate. Technology using RFID (Radio Frequency IDentification) has been around for more than a decade, but in the automatic recognition industry, barcode reading is still the mainstream.
Compared to the barcode method, which reads information one by one with a scanner, the RFID method can read multiple pieces of information at the same time. In the early days of RFID, there were problems with the sensitivity of the tags, the accuracy of the antennas, and the characteristics of each object, but now that know-how has been accumulated, it has become a very practical system.
In Japan, in addition to apparel and supermarket cash registers, RFID utilization in distribution warehouses and factory applications is becoming popular. On the other hand, in Thailand, the use in the apparel industry can be seen in the same way as in Japan, but the utilization for industrial applications is yet to come.
RFID products have completely different efficiencies depending on the combination of reader, RFID tag, and application. For this project, we have created an effective RFID gate and application by combining the best products from 3 companies. We would like to propose this system for managing the warehousing and shipping of products / materials, as well as inter-process movements.
Items that make up an RFID gate
① Each box placed in a container has an RFID tag (Sato Auto-ID) attached to it.
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② The RFID antenna (Mars Tohken) detects the UHF radio wave of the RFID tag as it passes through the gate, and transmits the data to the inventory management system.
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③ The network monitoring indicator (Patlite) emits a light and sound assigned to each situation, such as blue when the registered number of items matches the number at the gate, yellow when the number of items differs, and red when there is a reading error, allowing the user to grasp the situation at a glance.
Mars Tohken's UHF band RFID products used in RFID gate
▲ Various RFID products handled by us
The following are UHF band compatible RFID products handled by Mars Tohken, and were used as parts to configure the RFID gate.
Self-driven fixed UHF band RFID reader/writer "FRU-4100Q"
UHF band IC tags have a long reading distance and can detect IC tags from a remote location, making them effective in sites where contactless authentication is required. It can also send data to PLCs and a cloud server on the Internet without using a PC, and has a compact design that can be installed in a small space.
UHF band RFID antenna "UAT-002"
It can automatically read a large number of IC tags at once when the power is turned on. The data can be sent not only to a server in the LAN but also to a cloud server on the Internet through a router.
These RFID gates are designed to be installed at the entrances where goods are transported from suppliers, such as incoming raw materials, but they are also effective in places with multiple delivery routes and where large quantities of goods are transported such as distribution centers. We will propose an RFID system that suits the customer's business type.
