TC
Tap-position command – see Transformer Tap Position Command
TCP
Transmission Control Protocol
TEA-X
You can archive the data from individual SIPROTEC 5 devices or whole project in TEA-X format. This format is
also suitable for data exchange between different applications, such as DIGSI 5 and Engineering Base (EB). The
TEA-X format is based on XML.
Time stamp
A time stamp is a value in a defined format. The time stamp assigns a time point to an event, for example, in a
log file. Time stamps ensure that events can be found again.
Topological view
The Topological View is oriented to the objects of a system (for example, switch gear) and their relation to one
another. The Topological View describes the structured layout of the system in hierarchical form. The Topolog-
ical View does not assign the objects to the devices.
Transmission Control Protocol
The Transmission Control Protocol (TCP) is a transmission protocol for transport services in the Internet. TCP is
based on IP and ensures connection of the participants during the data transmission. TCP ensures the correct-
ness of the data and the correct sequence of the data packages.
Transparent Clock
The Precision Time Protocol knows different types of clocks: an ordinary clock (abbreviation: OC), a boundary
clock (BC), and a transparent clock (TC). The transparent clock was added to the specification in 2008 and
improves the time-information transmission within a network by receiving PTP messages and transmitting
them after modification (correction).
Tree view
The left area of the project window visualizes the names and symbols of all containers of a project in the form
of a hierarchical tree structure. This area is referred to as a tree view.
Tunneling
Technology for connecting two networks via a third network, whereby the through traffic is completely
isolated from the traffic of the third network.
UDP
User Datagram Protocol
Unbuffered Report Control Block
Unbuffered Report Control Block (URCB) is a form of report controlling. Internal events trigger the immediate
sending of reports based on best effort. If no association exists or if the transport data flow is not fast
enough, events can be lost.
URCB
Unbuffered Report Control Block
Glossary
1632 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
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