In production lines and smart warehouse drawers (cabinets), RFID systems enable real-time monitoring without opening boxes or counting. These applications typically require integrating reading devices into a fixed architecture, rather than relying solely on handheld devices.
Production Line RFID Automation Solution
Installing fixed readers on conveyor belts enables automated product transit, inspection, and packing recording.
Key Hardware: Fixed Readers with multiple antenna ports to handle high-speed conveyor belts.
Industrial Antennas: High protection ratings (e.g., IP67) are required, with "near-field" or "far-field" antennas selected based on the conveyor width.
Application Advantages:
Automatic Report Generation: Materials automatically enter/exit the warehouse upon passing through sensor doors, requiring no manual intervention.
Mistake Correction: If products on the production line do not match the settings, the system can immediately trigger an alarm or stop the motor.
Smart Drawer/Cabinet Solution: For precision tools, medical supplies, consumables, or important documents, RFID systems are embedded inside cabinets.
Key Hardware:
Near-field Antenna: Can be laid flat at the bottom of the drawer, with precise reading range limited to inside the drawer.
RFID Control Module: Typically uses multiplexer technology, a single reader can manage multiple drawers, significantly reducing costs.
Application Advantages:
Real-time Inventory Changes: As soon as a drawer is closed, the system immediately calculates the remaining quantity (e.g., who took which screwdriver).
Authorization Integration: Can be paired with proximity cards (NFC/HID) or biometrics to ensure only authorized personnel can open specific drawers.
Solution Comparison Table
Requirement: Production Line Application; Smart Drawer/Tool Cabinet
Key Challenges: Reading speed and anti-duplicate scanning (avoiding repeated counting); Multipath interference and shielding (interference from metal cabinets)
Recommended Antennas: High-gain far-field antenna; Ultra-thin near-field antenna
Tag Selection: High-temperature resistant, interference-resistant, or oil-resistant tags; Anti-metal tags (for metal tools)
Core Benefits: Increased production line throughput; Strict asset control and theft prevention
Implementation Recommendations:
Production Line Solution: It is recommended to find a system vendor with PLC (Programmable Logic Controller) integration capabilities to ensure that RFID data can directly control the start/stop or rejection devices of the production line.
Cabinet Solution: If the environment is a metal cabinet, anti-metal tags must be used, and an insulating gap must be left between the antenna and the cabinet; otherwise, the reading distance will be significantly reduced.
Frequency 865-868MHz / 920-925MHz / 902-928MHz, Protocol EPC global UHF Class 1 Gen 2 / ISO 18000-6C,
