ABBREVIATIONS, TRADEMARKS, RELATED DOCUMENTATION 15
PE Protective Earth
Phase module The phase module is a compact assembly of wired components including power semiconductors
and circuit boards that serves as a standardized building block for the DFE and the INU of the drive.
PPCS Power Plate Communication System
PPCS is an acronym for a serial communication protocol designed for data transfer via optical fibers
between AMC circuit board and INTerface circuit boards.
RTD Resistance Temperature Detector or Device
The RTD is a temperature sensor where the change in electrical resistance is used to measure the
temperature.
Safeline ABB synonym for uninterruptible power supply
Supervisory signal Indicates the operating condition of a circuit or device.
SW Software
TEU Terminal Unit
Short form for terminal compartment of the drive
Zero speed threshold Used in the manual to indicate that the drive has reached the value “zero speed” that is set in a
parameter. The value can be set in the range of 0 and maximum speed (the unit for the speed is
rpm).
Term / Abbreviation Meaning
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