14 Introduction to the manual
IGBT Insulated gate bipolar transistor; a voltage-controlled semiconductor type
widely used in inverters and IGBT supply units due to their easy controllability
and high switching frequency
INU-LSU Type of optical DDCS communication link between two converters, for
example the supply unit and the inverter unit of a drive system.
Inverter unit The part of the drive that converts DC to AC for the motor.
I/O Input/Output
ISU An IGBT supply unit; type of supply unit implemented using IGBT switching
components, used in regenerative and low-harmonic drives.
Line-side
converter
See supply unit.
LSU See supply unit.
ModuleBus A communication link used by, for example, ABB controllers. ACS860 drives
can be connected to the optical ModuleBus link of the controller.
Motor-side
converter
See inverter unit.
Network
control
With fieldbus protocols based on the Common Industrial Protocol (CIP
TM
),
such as DeviceNet and Ethernet/IP, denotes the control of the drive using the
Net Ctrl and Net Ref objects of the ODVA AC/DC Drive Profile. For more
information, see www.odva.org
, and the following manuals:
• FDNA-01 DeviceNet adapter module User’s manual (3AFE68573360
[English]), and
• FENA-01/-11 Ethernet adapter module User’s manual (3AUA0000093568
[English]).
Parameter User-adjustable operation instruction to the drive, or signal measured or
calculated by the drive
PID controller Proportional–integral–derivative controller. Drive speed control is based on
PID algorithm.
PLC Programmable logic controller
Power unit Contains the power electronics and power connections of the drive (or inverter
module). The drive control unit is connected to the power unit.
PTC Positive temperature coefficient
PU See power unit.
RDCO-0x DDCS communication module
RFG Ramp function generator.
RO Relay output; interface for a digital output signal. Implemented with a relay.
SSI Synchronous serial interface
DIL Drive interlock
Supply unit The part of the drive that converts AC to DC. An IGBT supply unit (ISU) is also
capable of feeding regenerative energy back into the supply network.
TTL Transistor-transistor logic
Term/abbre-
viation
Definition
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