ABOUT THIS MANUAL
PRODUCT
ACS6000
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS212794 E01
REV.
N
LANG.
en
PAGE
23/266
IGCT Integrated Gate-Commutated Thyristor
ISU Isolation Unit
IM Induction Motor
INT Interface circuit board
INU Inverter Unit
The INU converts the three DC voltages to the required AC motor
voltage. The unit is designed as a self-commutated, 3-level voltage
source inverter consisting of three identical power modules.
I/O device Term of ABB’s S800 I/O system. An I/O device consists of a module
termination unit (MTU) and one I/O module.
I/O module Term of ABB’s S800 I/O system. The I/O module is an active input or
output device for digital or analog signals.
I/O station Term of ABB’s S800 I/O system. The I/O station typically consists of a
bus modem and several input and output devices.
IOI Inverter Output Isolator
The IOI is a switching device that disconnects the inverter from the
motor.
IP Ingress Protection
The IP code specifies the degree of protection provided by an
enclosure.
IPS Isolated Power Supply
Line voltage RMS voltage of the main power supply of the drive
LSU Line Supply Unit
The LSU rectifies the AC line voltage and supplies the electrical energy
to the DC link capacitors.
MCB Main Circuit Breaker
The MCB is a major protection device of the drive and the main
connection and disconnection point between the main power supply
and the drive.
MSM Main State Machine
MVD Medium Voltage Drive
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
Table 1-1 Terms and abbreviations (continued)
Term/
Abbreviation
Definition
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