What Is an Unmanned Weighbridge System and How Does It Work?

An unmanned weighbridge system is an automated truck weighing solution that allows vehicles to complete weighing transactions without continuous manual operator involvement. Instead of relying solely on a weighbridge operator, the system integrates hardware and software to identify the vehicle, validate the transaction, capture weighing data, monitor the vehicle’s position, and automatically generate reports or tickets.

This type of system is useful for factories, cement plants, steel industries, logistics yards, quarries, recycling facilities, ports, warehouses, and bulk material handling sites where trucks move frequently throughout the day.

How the System Works

A typical unmanned weighbridge process starts at the entry gate. The vehicle is identified using RFID, ANPR camera, QR code, job number, driver ID, or a combination of these methods. Once the vehicle is approved, the system guides it toward the weighbridge using traffic lights, barriers, and display instructions.

When the vehicle reaches the platform, position sensors verify that the truck is correctly placed on the weighbridge. Surveillance cameras capture images of vehicles, materials, number plates, and transaction evidence. The weighing indicator sends the live weight to the software through serial, Ethernet, or other communication methods.

After the weight becomes stable, the software records the transaction automatically. Depending on the workflow, the system can print a ticket, update a database, send data to ERP, or allow the truck to proceed for loading or unloading.

Key Components of an Unmanned Weighbridge System

The main components usually include:

• Weighbridge platform and load cells
• Digital weighing indicator
• RFID reader and RFID tags
• ANPR camera for number plate recognition
• Position sensors for truck alignment
• Traffic lights and boom barriers
• Outdoor kiosk or driver terminal
• Ticket printer and external display
• Surveillance cameras
• Weighbridge software
• SQL database and reporting dashboard
• ERP or cloud integration

Why Companies Use Unmanned Weighbridge Systems

Manual weighbridge operations are often affected by delays, human errors, incorrect vehicle entry, duplicate transactions, missing records, and disputes. An unmanned system helps reduce these issues by creating a controlled and traceable workflow.

For high-traffic industrial sites, automation can improve truck turnaround time, reduce manpower dependency, improve security, and create reliable transaction records with image evidence.

Reliable Global Solution

Reliable Global provides weighbridge automation solutions that can be integrated with new or existing weighbridges. The system can be customized with RFID, ANPR, sensors, cameras, ticket printing, database reporting, and cloud connectivity based on the customer’s site requirements.