Fieldbus
AUMA fieldbus devices
AUMA India integral starter actuators are available with 2-wire control. The actuators are availble with the following open industrial protocols.
- Profibus DP
- Modbus RTU
Overall, AUMA devices are available with binary and analogue inputs to connect additional sensors to the fieldbus.
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Details
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Profibus
Profibus DP is the ideal solution for plant automation due to its simple and robust physical layer (RS-485) and the different service levels DP-V0 (fast cyclic and deterministic data exchange), DP-V1 (acyclic access to device parameters and diagnostic data) as well as DP-V2 (further functions such as time stamp or redundancy).
- International standard (www.profibus.com)
- Worldwide distribution
- Large installation base
- Standardised integration within the DCS (FDT, EDD) Large selection of devices
- Typical applications: Power plants, sewage treatment plants, water treatment plants, tank farms
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Modbus
In comparison with other fieldbus technologies, Modbus is simple but has a multi-functional fieldbus protocol. It offers all services required for plant automation, e.g. exchange of simple, binary information, analogue values, device parameters or diagnostic data.
For plant Automation and similar to Profibus, the simple and robust physical layer RS-485 is often used.
On the basis of this physical layer, Modbus supports various telegram formats, e.g. Modbus RTU. Using the Modbus TCP/IP version based on Ethernet, vertical integration into a host Automation system is often implemented.
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International standard (www.modbus.org)
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Simple protocol
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Worldwide distribution
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Largely sufficient for many simple automation tasks
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Typical applications: Water and wastewater treatment plants,
pumping stations, tank farms
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Documents
310 documents are found!Brochure
Cut-away drawing
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