SENTRON PAC3200
Manual, 02/2008, A5E01168664B-04
177
Glossary
Bus
Shared transmission path over which all bus nodes are connected. It has two defined ends.
In the case of PROFIBUS, the bus is a twisted pair or optical fiber cable.
Bus system
All nodes physically connected to a bus cable form a bus system.
Diagnosis
The detection, localization, visualization and further evaluation of errors, disturbances and
messages.
Diagnostics offers monitoring functions that automatically run while the system is in
operation. This reduces startup times and standstill times. Plant availability increases.
PROFIBUS
PROCESS FIELDBUS, a European process and fieldbus standard defined in the PROFIBUS
standard EN 50170, Volume 2 PROFIBUS. Specifies the functional, electrical and
mechanical characteristics of a serial bit stream fieldbus system.
PROFIBUS is a bus system that connects PROFIBUS-compatible automation systems and
field devices together at the cell level and field level.
PROFIBUS address
Every bus node receives a unique PROFIBUS address. The bus node is identified on
PROFIBUS with this address.
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