Siemens SINAMICS S120 - Page 179

Appendix
A.1 List of abbreviations
Getting Started, 12/2018, 6SL3097-5AG30-0BP0
177
Abbreviation
Source of abbreviation
Meaning
T
TB
Terminal Board
Terminal Board
TEC Technology Extension Software component which is installed as an addi-
tional technology package and which expands the
functionality of SINAMICS (previously OA applica-
tion)
TIA
Totally Integrated Automation
Totally Integrated Automation
TLS Transport Layer Security Encryption protocol for secure data transfer (previ-
ously SSL)
TM
Terminal Module
Terminal Module
TN Terre Neutre Grounded three-phase line supply
Tn
-
Integral time
TPDO
Transmit Process Data Object
Transmit Process Data Object
TSN
Time-Sensitive Networking
Time-Sensitive Networking
TT Terre Terre Grounded three-phase line supply
TTL
Transistor-Transistor-Logic
Transistor-transistor logic
Tv
-
Rate time
U
UL Underwriters Laboratories Inc. Underwriters Laboratories Inc.
UPS
Uninterruptible Power Supply
Uninterruptible power supply
USV
Unterbrechungsfreie Stromversorgung
Uninterruptible power supply
UTC
Universal Time Coordinated
Universal time coordinated
V
VC
Vector Control
Vector control
Vdc
-
DC link voltage
VdcN
-
Partial DC link voltage negative
VdcP
-
Partial DC link voltage positive
VDE Verband Deutscher Elektrotechniker Verband Deutscher Elektrotechniker [Association
of German Electrical Engineers]
VDI Verein Deutscher Ingenieure Verein Deutscher Ingenieure [Association of Ger-
man Engineers]
VPM Voltage Protection Module Voltage Protection Module
Vpp
Volt peak to peak
Volt peak to peak
VSM
Voltage Sensing Module
Voltage Sensing Module
W
WEA Wiedereinschaltautomatik Automatic restart
WZM
Werkzeugmaschine
Machine tool
X
XML Extensible Markup Language Extensible markup language (standard language
for Web publishing and document management)
Y
Z
ZK Zwischenkreis DC link