Description
2.2 Structure of PROFIBUS networks
PROFIBUS with STEP 7 V13
Function Manual, 12/2014, A5E03775446-AC
17
Structure of PROFIBUS networks
Contents of this chapter
The following chapter provides background information on building your communication
network.
● Overview of the most important passive network components: These are network
components that forward a signal without the possibility of actively influencing it, for
example, cables, connectors.
● Overview of the most important active network components: These are network
components that actively affect a signal, for example, repeaters, diagnostic repeaters.
● Overview of the most common network structures (topologies)
Physical connections of industrial networks
PROFIBUS devices can be networked in industrial plants in two different physical ways:
● By means of electrical signals via copper cables
● By means of optical signals via fiber-optic cables
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