PROFIBUS with STEP 7 V13
94 Function Manual, 12/2014, A5E03775446-AC
Programmable logic controller for the open-loop and closed-loop control of process chains of
the process engineering industry and manufacturing technology. The automation system
consists of different components and integrated system functions according to the
automation task.
A common transfer route to which all nodes are connected; it has two defined ends.
In the case of PROFIBUS, the bus is a two-wire line or a fiber-optic cable.
Physical connection between the node and bus cable.
All stations physically connected to a bus cable form a bus system.
In the PROFIBUS environment, "device" is the generic term for:
● Automation systems (for example, PLC, PC)
● Distributed I/O systems
● Field devices (for example, hydraulic devices, pneumatic devices)
● Active network components
● Gateways to AS interface or other fieldbus systems
Device that can send, receive or amplify data via the bus, for example, a DP slave by means
of PROFIBUS DP.
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