Operating Instructions
SINAMICS G120 CU230P-2 Control Units
List Manual, 04/2018, A5E33838102
855
A Appendix
A.2 List of abbreviations
TIA Totally Integrated Automation Totally Integrated Automation
TLS Transport Layer Security Encryption protocol for secure data transfer
(previously 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 Association of German Electrical Engineers
VDI Verein Deutscher Ingenieure Association of German 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
ZM Zero Mark Zero mark
ZSW Zustandswort Status word
Abbreviation Derivation of abbreviation Significance