Bürkert, in conjunction with Wago and Phoenix Contact are working together to manufacture an outstanding Fieldbus input and output device. Each of these companies is an expert in their individual field, and therefore this equipment embodies the best engineering techniques available today. The Bürkert name for this system is AirLine.
Bürkert is internationally renowned for its pneumatic pilot valves, Wago and Phoenix for their digital and analogue I/O. Combining this proficiency, a single device has been developed with the following functions:
* Pneumatic outputs for actuation of valves and other mechanical devices.
* Digital inputs for acquisition of data from limit or other process actuated switches.
* Digital outputs for electrical control functions.
* Analog inputs from process measuring devices.
* Analog outputs for electrically actuated control devices.
* Onboard PLC for true distributed control will be a future development.
Previously it was necessary to purchase modules from each of these suppliers for the specific functions required. These were normally mounted in different enclosures on the plant and cables were run to each box. Now it is possible to purchase a single assembly and usually only a single signal cable is required for the Fieldbus for data acquisition and distribution. This has significantly reduced the cost of ownership.
The Fieldbus protocols initially available for this equipment are Profibus DP, Interbus, DeviceNet and CANopen. Other protocols will also be accommodated. Because of the enormous number of combinations that can be assembled for different applications, the AirLine assemblies will be assembled and fully tested in South Africa ensuring that the customer gets what it needs in the shortest period of time. AirLine is now available from Bürkert.
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