ABB FPBA-01 PROFIBUS DP, Руководство пользователя

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About the manual 17
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PROFIBUS terms
Term Explanation
Acyclic communication Communication in which messages are sent
only once on request
Array Parameter consisting of data fields of equal
data type
Broadcast Non-acknowledged message from master to all
bus participants (compare Multicast)
Cyclic communication Communication in which parameter/process
data objects are sent cyclically at predefined
intervals
Drivecast Broadcast and Multicast, a special message
frame for drives
Fault Event that leads to tripping of the device
GSD file ASCII-format device description file in a
specified form. Each different slave type on the
PROFIBUS network needs to have its own GSD
file.
Index Access reference for objects in PROFIBUS
Master Control system with bus initiative. In the
PROFIBUS terminology, master stations are
also called active stations.
Multicast Non-acknowledged message from master to
one group of bus participants (compare
Broadcast)
Name Symbolic name of a parameter
Parameter Value that can be accessed as an object, eg,
variable, constant, signal
Parameter number Parameter address
Parameter/Process Special object that contains parameter and
process
Data object Special object that contains parameter and
process data