ABB ACS6080 User Manual page 31

Term/Abbreviation
PUB
PUPA
PWM
RAL
RBU
RDC
RDI
RDR
RMD
RPM
S500 I/O
SC
SM
SRD
SSI
TEU
THD
TT
UNICOS
UPS
USB
VLSCD
VLU
VSD
VSI
WCU
3BHS842007 E01 REV C
Table 1-1 Terms and abbreviations (continued)
Definition
PPCS unit for branching software running on an INT
circuit board that is used for data branching
Pulse pattern
Pulse width modulation
German color standard
Resistor Braking Unit
Redundant Drive Control
Redundant Drive Interface
Receive Data Register
Rolling Mill Drive
Revolutions Per Minute
The S500 I/O is a distributed process input output system
that can be connected to various process controllers from
ABB and other companies.
Short-Circuit
Synchronous Motor
Semi-Redundant Drive
Synchronous Serial Interface
The SSI is a point-to-point, serial communication
interface for digital data transmission between a master
(eg, drive) and a slave (eg, sensor).
Terminal Unit
The TEU provides the terminals for the transformer and
motor cables, the ground frame for the cable screens and
the ground cable, and the grounding accessories.
Total Harmonic Distortion
Temperature Transmitter
Operating system
Uninterruptible Power Supply
Universal Serial Bus
Voltage Limiting Short Circuit Detection
Voltage Limiter Unit
Variable Speed Drive
Voltage Source Inverter
Water Cooling Unit
The WCU dissipates the heat from the power electronics
components of the drive.
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