01 ABOUT THIS MANUAL
3BHS212794 E01 REV M ACS6000 USER MANUAL 32/278
NBIO Fast I/O module
NDBU-95 DDCS branching unit
NETA-21 Monitoring and diagnostics tool that allows access to the
drive from any location in the world via a secure
Internet connection.
NP Neutral Point
The term refers to the neutral point of the DC link
NTAC Pulse encoder interface module
PAI Pulse Amplifier Interface board
PCB Printed Circuit Board
PE Protective Earth
Ground bus for the connection of the ground cable
PFF Power Feed Forward
PF Power Failure
PG Power Ground
Ground bus for the connection of cable shields
Phase module The phase module is a compact assembly of wired
components including the power semiconductors that
serves as a standardized building block for the ARU, LSU
and INU of the drive.
PINT Pulse Interface Circuit Board
POM Power Operation Mode
PPCC Power Plate Communication Circuit
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
PUB PPCS unit for branching software running on an INT
circuit board that is used for data branching
PUPA Pulse pattern
PWM Pulse width modulation
RAL German color standard
RBU Resistor Braking Unit
RDC Redundant Drive Control
RDI Redundant Drive Interface
RDR Receive Data Register
RMD Rolling Mill Drive
RPM Revolutions Per Minute
Table 1-1 Terms and abbreviations (continued)
Term/Abbreviation Definition
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