1 About this documentation
1.3 Terminology used
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Lenze · I/O system 1000 · Reference Manual · DMS 5.0 EN · 09/2016 · TD17
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The Modbus protocol is an open communication protocol based on a client/server
architecture. It has been developed for the communication with programmable logic
controllers.
Further development is carried out by the international user organisation Modbus
Organization, USA.
PROFIBUS® (Process Field Bus) is a widely used fieldbus system for the automation of
machines and production lines.
PROFIBUS® is a registered trademark and patented technology licensed by the PROFIBUS
& PROFINET International (PI) user organisation.
PROFINET® (Process Field Network) is a real-time capable fieldbus system based on
Ethernet.
PROFINET® is a registered trademark and patented technology licensed by the PROFIBUS
& PROFINET International user organisation (PI).
Term Meaning
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