T A Appendix A - Abbreviations
R
A
Armature resistance
RCD Differential current device
RF Controller enable
RS232 Interface standard
RS422 Interface standard
SELV Protective low-voltage with safe isolation
SH Quickstop
U Voltage
Û Peak voltage
U
A
Armature voltage
U
AC
RMS valueE, AC voltage
U
DC
RMS value, DC voltage
U
e f f
RMS value, AC voltage
UZK DC-link voltage
V1 Version 1 (type key)
V2 Version 2 (type key)
VBG German Administerial Occupation
Co-operative
VDE Union of German Electrical Engineers
V
pp
Volt Peak-Peak
X Terminal strip
DC DC-link
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