Glossary
420
7UM61 Manual
C53000-G1176-C127-3
Slave A slave may only exchange data with a master after being prompted to do so by the
master. SIPROTEC 4 devices operate as slaves.
Time stamp Time stamp is the assignment of the real time to a process event.
Topological view DIGSI Manager always displays a project in the topological view. This shows the hier-
archical structure of a project with all available objects.
Transformer Tap In-
dication
Transformer tap indication is a processing function on the DI by means of which the
tap of the transformer tap changer can be detected together in parallel and processed
further.
Transient informa-
tion
A transient information is a brief transient → single-point indication at which only the
coming of the process signal is detected and processed immediately.
Tree view The left pane of the project window displays the names and symbols of all containers
of a project in the form of a folder tree. This area is called the tree view.
TxTap → Transformer Tap Indication
User address A user address comprises the name of the station, the national code, the area code
and the user-specific phone number.
Users Up to 16 compatible SIPROTEC 4 devices can communicate with one another in an
Inter Relay Communication combination. The individual participating devices are
called users.
VD A VD (Virtual Device) includes all communication objects and their properties and
states that are used by a communication user through services. A VD can be a phys-
ical device, a module of a device or a software module.
VD address The VD address is assigned automatically by DIGSI Manager. It exists only once in
the entire project and thus serves to identify unambiguously a real SIPROTEC 4
device. The VD address assigned by DIGSI Manager must be transferred to the
SIPROTEC 4 device in order to allow communication with DIGSI Device Editor.
VFD A VFD (Virtual Field Device) includes all communication objects and their properties
and states that are used by a communication user through services.
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