Categorization by frame size and option module
Some descriptions, instructions and technical data which concern only certain module
or frame sizes are marked with the size identifier (such as "2×R8i", etc.). The marking
derives from the quantity and basic construction of the converter modules that form
the converter unit. For example, frame size "2×R8i" indicates that the converter unit
consists of two frame size R8i converter modules connected in parallel.
The frame size is marked on the type designation labels. The frame size of each drive
module is also shown in the rating tables.
The instructions and technical data which concern only certain optional selections are
marked with option codes (such as +E205). The options included in the drive can be
identified from the option codes visible on the type designation label.
Use of component designations
Some device names in the manual include the component designation in brackets (for
example, [Q20]). This will help you to identify the components in the circuit diagrams
of the drive.
Terms and abbreviations
DescriptionTerm
Auxiliary measurement unitBAMU
Type of control unitBCU
Series of L-filters, for example BDCL-14-5BDCL
I/O module for controlling cooling fansCIO
The part in which the control program runs.Control unit
One section of a cabinet-installed drive. A cubicle is typically behind a door of
its own.
Cubicle
Charges or discharges an external energy storage (such as a battery or capa-
citor bank) from or into the DC bus
DC/DC converter
Converter power electronics, related components and DC capacitors enclosed
in a metal frame or enclosure. Intended for cabinet installation.
DC/DC converter module
DC/DC converter module(s) under control of one control unit, and related
components
DC/DC converter unit
DC/DC converter unitDDC
Digital inputDI
Direct-on-lineDOL
Frequency converter for controlling AC motorsDrive
Device that stores electrical energy, for example, a battery or a super capacitor.Energy storage
Physical size of the drive or power moduleFrame, frame size
Inverter unitINU
Converts direct current and voltage to alternating current and voltage.Inverter
Inverter module(s) under control of one control unit, and related components.
One inverter unit typically controls one motor.
Inverter unit
Drive for controlling several motors which are typically coupled to the same
machinery. Includes one supply unit, and one or several inverter units.
Multidrive
In the drive control program, user-adjustable operation instruction to the
drive, or signal measured or calculated by the drive.
In some (for example fieldbus) contexts, a value that can be accessed as an
object. For example, variable, constant, or signal.
Parameter
Programmable logic controllerPLC
Drive for controlling one motorSingle drive
12 Introduction to the manual
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