Profibus Solutions from ABB

Profibus - Master / Slave @ its best

Our product offering comprises all you need to design and build a Profibus network. A broad range of controllers, field devices, drives, intelligent MCC and advanced tools supporting Profibus DP and Profibus PA guarantee your success in any automation task.


The Profibus network is built on a master/slave communication principle. A central controller, the fieldbus master, cyclically reads information from the field devices, the fieldbus slaves, and writes the output values to them. In a Profibus DP network a high speed transmission rate of up to 12 Mbaud is possible.

The Profibus PA transmission system expands Profibus DP for applications in potentially explosive zone 1 atmospheres. Power is supplied to the field devices over the same 2-wire communication cable.
Profibus PA complies with the international standard IEC 61158-2.

In addition to cyclic services, Profibus provides acyclic services that permit modification of devices parameters during operation. This enables configuration of modern field devices, which contain many parameters and variables in addition to the measured and manipulated values.

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  • Last edited 2011-03-02
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