RFID label cash box management application solution, RFid Shielding manufacturer

　　Application scheme of cash box management based on active and semi-active RFID tags

　　Using RFID long-distance radio frequency identification technology to monitor and manage the cash box, the basic technical requirements are as follows:

　　A. Recognition management of outbound and inbound cash boxes.

　　B. Positioning management of the cash box in the vault area, so that it can quickly reflect its location when it is found and used

　　C. Counting the amount of the cash box

　　D. Tracking the cash box of ATM machine, know exactly which ATM machine a certain cash box is on.

　　The main requirements are A and B, and the expanded requirements are C and D.

　　Introduction to RFID technology:

　　The application of RFID (electronic tag), using electronic tags as the most advanced identification code at present, has the characteristics of not easy to break, reliable data, long service life, long effective communication distance, etc. It is an alternative to barcode and infrared identification. Install it on the controlled target as the unique identifier of the target for tracking and positioning. The working principle of RFID automatic identification. The system composed of RFID and short-range communication equipment mainly includes two parts: smart RFID electrical tags, RFID reading and writing equipment, and wireless communication between the reading and writing equipment and RFID electronic tags to realize the communication between the information management system and the RFID. Information exchange.

　　The read-write device is an RFID read-write controller, which is composed of a microprocessor, a security module, a microwave communication controller, and RS232/485 communication interface. It uses short-range communication protocols and microwave wireless transmission methods to achieve communication with RFID electronic tags. The purpose of safe and reliable information exchange is to connect with the upper computer through RS232/485/wireless/GPRS, receive control commands and data from the upper computer and return data.

　　RFID is a mobile device with microwave communication function, information processing and storage function. RFID built-in a small real-time task system to complete the internal memory, I/O, power supply, communication protocol, key, algorithm, command protocol processing and other functions of the RFID.

　　The core of the wireless communication protocol adopted by the short-range communication technology is the cell segmentation formed by the coverage of low-power microwave antennas, and the time division multiple access and synchronous communication mechanism based on the HDLC protocol are used to realize reading and writing by designing corresponding processing and control software. Two-way data transmission and information exchange between devices.

　　Through the above introduction to RFID technology, the following basic schemes are specially designed for the needs of ATM cash box management.

　　A. Inbound and outbound management of the cash box

　　Plan: Install fixed directional readers in front of and behind the door of the vault to connect with the back-end system. Relevant cash boxes are equipped with RFID electronic tags to determine the entry and exit of the warehouse with the first hand who has read the information smoothly. Automatically save to the background system.

　　B. For regional positioning requirements in the vault, we provide two solutions:

　　Plan 1. Each cash box is equipped with RFID electronic tags, which correspond to unique ID numbers. Install a reader in front of a certain fixed point area in the vault, and install shielding materials around this fixed area. Prevent readers in other areas near it from reading the cash box ID number of this fixed-point unit. And monitor the ID number of the cash box in this area from time to time. Relevant information is transmitted to the background through wired or wireless means. If you use wireless WIFI for transmission, you need to deploy a wireless domain network in the vault. When a cash box needs to be found or used, the location information is directly obtained through the background. Disadvantages: There are a lot of equipment to be deployed, the cost is relatively high, and the impact of environmental factors on wireless transmission must be considered.

　　Plan 2. Each cash box is equipped with RFID electronic tags, which correspond to unique ID numbers. Use a handheld RFID device (CF card reader and PDA) to detect the cash box equipped with RFID tags. The handheld device is pre-loaded with the ID number (1 or more) of the cash box that needs to be searched through the software. When the handheld device is close to the cash box that needs to be searched and reads its ID number, it will automatically sound a reminder. The staff can find the cash box that meets the demand in this area. This scheme is flexible and simple, and does not require complicated changes to the vault.

　　RFID Handheld

　　C. Counting the amount of the cash drawer for expansion requirements

　　RFID read-write electronic tags, the storage space can be selected (1K 4K 8K), each cash box is equipped with a unique ID number. Use a reader (handheld or fixed) to write the relevant amount (or destination, or time, etc.). When the ID number is re-identified by the reader (as reflected in Scheme A, the read-write device installed at the door of the vault can obtain the information in the relevant cash box, such as the amount, etc., while reading the in and out of the vault), Feedback to the background for a time. This electronic tag can be repeatedly erased and used for multiple times.

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