Herausforderung
In pellet heating systems, pellets from big bags or other storage containers are sucked into the suction chamber until it is filled to the defined point level. This results in the formation of a cone of pellets in the suction chamber, which makes the measurement at the edge of the container imprecise. The point level measurement must therefore be taken from the center of the suction chamber. Optical sensors are unsuitable here due to the buildup of dust.
Lösung
In order to protect the sensor and enable central mounting, the manufacturer runs an angled metal tube holding the mounted sensor into the center of the suction chamber. Although this setup does not allow access to a digital potentiometer, the user can easily parameterize the capacitive sensor of the UC/BC series via the IO-Link interface with the Teach Monitor of the TURCK Automation Suite (TAS). All relevant settings – such as sensitivity, switching behavior or filter functions – can be configured centrally from the desk via the digital interface. Integration in TAS also enables convenient commissioning and easy parameter transfer to other sensors – ideal for series applications and OEMs. The solution is significantly more cost-efficient than detection with optical or even radar sensors.