Term Description
Cyclic communication Communication in which parameter/process data objects are
sent cyclically at pre-defined intervals.
DCP Discovery Control Protocol. A protocol that allows the IO-
Controller to find every PROFINET IO-Device on a subnet.
Fault Event that leads to tripping of the device.
GSDML file XML-based device description files in a specified form. Each
different IO-Device type on the PROFINET IO network needs
to have its own GSDML file.
Index Access reference for objects in PROFINET IO. 'PNU' is the
PROFINET designation for index.
IO-Controller Control system with bus initiative. In PROFINET IO termi-
nology, IO-Controllers are also called master stations or
active stations.
IO-Device Subordinated bus participant. In PROFINET IO terminology,
IO-Devices are also called passive stations or nodes.
Name Symbolic name of a parameter.
Parameter Value that can be accessed as an object, eg, variable, con-
stant, signal.
Parameter number Parameter address
Process data Data that contains Control word and reference value or
Status word and actual value. May also contain other (user-
defined) control information.
Warning Signal caused by an existing alarm which does not lead to
tripping of the device.
PROFINET-related Abbreviations
Abbreviation Description
DAP Device access point
DO Drive Object
DU Drive Unit
GSDML General Station Description Markup Language
IRT Isochronous Real-Time
MAP Module access point
PAP Parameter access point
PNU Parameter number
PZD Process data
PZDO Process data object
RT Real-Time
RPZD Received Process data
STW Control word
Sigma-7 Series SERVOPACKs
General
Using This Manual
| | PROFINET Communications - SIEP YEUOC7P 02A Revision 0 | en | 22
To Next Page
Loading...
