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MediaService Industries Online

Optimum filling - Siemens solution automates edible oils filling process

CFT has always used customized weighing modules on its previous plants. However, integrating these modules into the higher-level automation was often problematic, as was the supply of spare parts. The company therefore opted for end-to-end automation technology from the Siemens Siwarex portfolio for its new rotary filling machine.
Reliable, end-to-end solution
Siwarex WP251 weighing modules control the step motor control for opening and closing the filling valves, thus regulating the flow of liquid. Sinamics G120C drives are used to lift the tank and rotate the monoblock on the ventilation unit. In addition to this, a fail-safe Simatic S7-1513F controller is responsible for the machine logic while the installed Simatic S7-1214C Central Processing Units (CPUs) communicate with a central Simatic S7-1500 controller via the open industrial Ethernet standard Profinet. The Ethernet-based communication network is extremely flexible, very powerful, and guarantees reliable communication with a Scalance XB208 switch and an RCoax antenna as well as a radiating cable installed over the entire circumference of the rotating component.
Precise motion control
When filling, so-called screws ensure the correct and synchronized positioning of the bottle beneath the filler heads. These screws are also responsible for ensuring the bottles are not inserted if one of the filler heads is not working correctly. The screws are driven by brushless Simotics 1FK7 servomotors and Sinamics S120 converters. A Simotion D140 Motion Control System provides the motion control while the engineering of the entire automation solution and the free design of the operator interface using the TIA (Totally Integrated Automation) Portal engineering framework are particularly straightforward, as is the operation via a Simatic touch panel.
Quicker, easier and more flexible to operate
With the new automation solution, users of the rotary filling machine benefit from exceptionally straightforward and fast commissioning. The system is very flexible, insensitive to temperature fluctuations, and easy to operate. Thanks to the complete solution from Siemens, CFT was also able to increase the filling capacity by 20 percent and the filling speed to over 40,000 bottles per hour.

Further Information

MediaService Industries Online

MediaService application reports may be based on previously published Siemens technical articles.


Ursula Lang

Siemens AG

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