Data radio with DATAEAGLE as a problem solver in process industry
Operational safety and high availability in systems engineering rank first in process industry. Applying radio data links in applications with moving plant components in which permanently installed cables are ruled out and exposed cables or sliding contacts in view of harsh operating conditions
are prone to disturbance and represent a security risk is particularly attractive. Plant extensions is often given priority over new installations. However, integrating additional plant parts in an existing control network by cable is only possible with a great deal of effort, which years ago resulted in applying radio links as a problem solver on trial. Meanwhile, skepticism with regard to their operational safety in the harsh environment of process technological plants – for example power plants, open cast mining plants, steel and cement plants, gravel plants and the like – has given way to conviction that using data radio enables coping with many requirements in a reliable and even cost-saving manner.
A data radio link in plants of process industry requires operationally reliable and interference-free availability at any time. Since many plants such as mobile charging stations of conveyors are subject to unattended operation and interruption of charging would endanger the subsequent process
(e.g. fuel supply of a power plant), high availability of radio links is of great importance. With regard to its construction (radio frequency, antenna technology, mounting points) the radio system must be adaptable to the local circumstances such as distance, dust loading, reflection and many more. In modern plants instrumented by fieldbus, e.g. cement and mining industry, radio links are required to speak the “language“ of the communication protocol such as PROFIBUS or CAN for being able to bridge a certain distance within this network by wireless radio using Wireless PROFIBUS or Wireless CAN. And finally radio systems with regard to their constructive execution (such as suitability for top hat rail mounting) should also be capable of being integrated in the existing control technology
DATAEAGLE in the “spin cycle“ – a rather unusual, but very successful industrial application of the radio module DATAEAGLE. It concerns modernization of control technology for stranders serving for the production of communication cables by twisting (“stranding“) of several single conductors and strands. Stranders consist of a coil carrier around which a rotor – dragging the individual elements of pay-off frames– rotates with high speed.
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