Abbreviation Derivation of abbreviation Meaning
SP Safe Position Safe position
SPC Setpoint Channel Setpoint channel
SPI Serial Peripheral Interface Serial peripheral interface
SPS Speicherprogrammierbare Steuerung Programmable logic controller
SS1 Safe Stop 1 Safe stop 1
(monitored for time and ramp)
SS1E Safe Stop 1 External Safe stop 1 with external stop
SS2 Safe Stop 2 Safe stop 2
SS2E Safe Stop 2 External Safe stop 2 with external stop
SSI Synchronous Serial Interface Synchronous serial interface
SSM Safe Speed Monitor Safe feedback from speed monitor
SSP SINAMICS Support Package SINAMICS support package
STO Safe Torque Off Safe torque off
STW Steuerwort Control word
TEC Technology Extension Software component which is installed as an
additional technology package and which ex‐
pands the functionality of SINAMICS (previous‐
ly OA application)
TIA Totally Integrated Automation Totally Integrated Automation
TM Terminal Module Terminal Module
Tn - Integral time
TTL Transistor-Transistor-Logic Transistor-transistor logic
UL Underwriters Laboratories Inc. Underwriters Laboratories Inc.
USV Unterbrechungsfreie Stromversor‐
gung
Uninterruptible power supply
U TC Universal Time Coordinated Universal time coordinated
Vdc - DC-link voltage
VDE Verband Deutscher Elektrotechniker Association of German Electrical Engineers
VDI Verein Deutscher Ingenieure Association of German Engineers
XML Extensible Markup Language Extensible markup language (standard lan‐
guage for Web publishing and document man‐
agement)
ZK Zwischenkreis DC link
ZM Zero Mark Zero mark
ZSW Zustandswort Status word
Appendix
A.6 List of abbreviations
SINAMICS S210 servo drive system
760 Operating Instructions, 12/2017, A5E41702836B AA
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