In modern beverage and packaging operations, ensuring that every product leaving the production line meets strict quality standards is essential not only for regulatory compliance but also for protecting brand integrity. High-speed bottling and canning lines demand reliable, automated inspection systems capable of detecting defects in real time without slowing production.
This high-speed solution combines precision weighing, cap verification, and automated rejection to deliver 100% inspection accuracy at full line throughput.
How the System Works
1. Fill Level Verification through Precision Weighing 
Immediately after the filling station, each container is weighed using a FUTEK S-type load cell (FSH03942). This load cell ensures that the liquid or powder inside the container falls within a strict weight tolerance window. The raw signal from the load cell is processed and stabilized using the FUTEK FSH03863 amplifier, ensuring accurate and repeatable measurement even at high production speeds.
2. Cap and Seal Inspection
At the capping station, a Tri-Tronics FS100NC U-shaped sensor verifies the presence, position, and alignment of the cap. This optical check ensures that no bottle leaves the line with a missing, skewed, or improperly seated cap issues that can compromise shelf life, safety, and overall product quality.
3. High-Speed Automated Rejection
Inspection data from both stations is fed into a FATEK FBs-20MCR2-AC PLC, which includes an analog I/O module (FBs-4A2D) dedicated to processing load cell output. If the PLC detects that a product fails either the fill-level check or the cap inspection, it immediately triggers a pneumatic reject mechanism. Defective containers are gently diverted to a rejection lane without disrupting the flow of production.
4. Real-Time HMI Monitoring and Statistics
Operators can monitor all critical data via a FATEK P5070NB HMI, which displays:
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Total containers inspected
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Number of rejects due to incorrect fill level
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Number of rejects caused by cap misalignment or absence
This information helps operators quickly identify trends, take corrective action, and maintain process stability.
5. Network Integration and Cloud Reporting
Using the PLC’s Ethernet capabilities and the FATEK FBs-CBES communication module, the system transmits all production metrics to FATEK’s cloud-based IoT platform. Supervisors can review real-time performance dashboards, production summaries, and quality statistics from anywhere, enabling smarter decision-making and predictive maintenance strategies.
Key Benefits of This Application
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Prevents under-filled containers from reaching consumers, protecting brand trust.
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Reduces product giveaway by eliminating over-filled bottles or cans.
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Ensures safety and shelf-life by identifying containers with defective or missing caps.
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Delivers 100% inspection capability at full production speed.
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Cuts labor costs by removing the need for manual visual checks.
This integrated solution increases efficiency, enhances product quality, and ensures full traceability across high-speed packaging operations.
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