Glossary
CPU 31xC and CPU 31x, Technical data
Glossary-16 Manual, Edition 08/2004, A5E00105475-05
PROFINET IO
Within the framework of PROFINET, PROFINET IO is a communication concept for the
implementation of modular, distributed applications.
PROFINET IO allows you to create automation solutions, which are familiar to you from
PROFIBUS.
That is, you have the same application view in STEP 7, regardless of whether you configure
PROFINET or PROFIBUS devices.
PROFINET IO Controller
Device via which the connected IO devices are addressed. This means that the IO controller
exchanges input and output signals with assigned field devices. The IO controller is often the
controller on which the automation program runs.
See PROFINET IO Device
See PROFINET IO Supervisor
See PROFINET IO System
PROFINET IO Device
Distributed field device assigned to one of the IO controllers (for example, remote I/O, valve
terminal, frequency converter, switches)
See PROFINET IO Controller
See PROFINET IO Supervisor
See PROFINET IO System
PROFINET IO Supervisor
PG/PC or HMI device for commissioning and diagnostics.
See PROFINET IO Controller
See PROFINET IO Device
See PROFINET IO System
PROFINET IO System
PROFINET IO controller with assigned PROFINET IO devices.
See PROFINET IO Controller
See PROFINET IO Device
Programming device
Basically speaking, PGs are compact and portable PCs which are suitable for industrial
applications. Their distinguishing feature is the special hardware and software for SIMATIC
programmable logic controllers.
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