Definitions And Abbreviations; Profinet Io Definitions - ABB RETA-02 User Manual

Definitions and abbreviations

PROFINET IO definitions

Acyclic
Communication
Array
Broadcast
Command Word
Communication
Object
Control Word
Cyclic
Communication
Device Class
Fault
GSD File
Index
IO-controller
Multicast
Communication in which messages are sent only once
on request
Parameter consisting of data fields of equal data type
Non-acknowledged message from master to all bus
participants (compare Multicast)
See Control Word
Any object of a real device that can be communicated
with (variable, program, data range, etc.). Stored locally
in the Object Dictionary.
16-bit word from master to slave with bit-coded control
signals (sometimes called the Command Word).
Communication in which Parameter-/Process Data-
Objects are sent cyclically at predefined intervals
Classification according to the number of profile
functions included in the device
Event that leads to tripping of the device
ASCII-format device description file in a specified form.
Each device (active & passive stations) on PROFIBUS
has to have its own GSD File. GSD files in PROFINET
IO are written with GSDML.
Access reference for Objects in PROFIBUS
Control system with bus initiative. In PROFINET IO
terminology, IO-controllers are also called master
stations.
Non-acknowledged message from master to one group
of bus participants (compare Broadcast)
Definitions and abbreviations
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