Terms and abbreviations
DescriptionTerm
Assistant control panelACS-AP-…
Type of control unitBCU
Series of LCL-filters, for example BLCL-15-5BLCL
Brake chopper modules and the necessary auxiliary equipment, such as control
electronics, fusing and cabling
Brake unit
An enclosure that consists of one or more cubiclesCabinet
Common mode filteringCMF
Circuit board in which the control program runsControl board
Control board built in a housing (often rail-mountable)Control unit
One section of a cabinet-installed drive. A cubicle is typically behind a door of its own.Cubicle
DC/DC converter module(s) under control of one control board, and related componentsDC/DC converter unit
DC circuit between rectifier and inverterDC link
Distributed drives communication system protocolDDCS
Diode rectifier and related components enclosed in a metal frame or enclosure. Inten-
ded for cabinet installation.
Diode supply module
Diode supply modules under control of one control board, and related components.Diode supply unit
Frequency converter for controlling AC motorsDrive
Diode supply unitDSU
Electromagnetic compatibilityEMC
Optional digital I/O extension moduleFDIO-01
Optional TTL incremental encoder interface moduleFEN-01
Optional TTL absolute encoder interface moduleFEN-11
Optional resolver interface moduleFEN-21
Optional HTL incremental encoder interface moduleFEN-31
Device through which the drive is connected to an external communication network,
that is, a fieldbus
Fieldbus adapter mod-
ule
Optional digital I/O extension moduleFIO-01
Optional analog I/O extension moduleFIO-11
Optional functional safety modulesFSO-12, FSO-21
Incoming unitICU
IGBT bridge and related components enclosed inside a metal frame or enclosure.
Intended for cabinet installation.
IGBT supply module
IGBT supply module(s) under control of one control unit, and related components.IGBT supply unit
Part of the cabinet line-up that contains the input power cable terminals. Can also
contain switching equipment etc.
Incoming unit
DC circuit between rectifier and inverterIntermediate circuit
Inverter unitINU
Converts direct current and voltage to alternating current and voltage.Inverter
Inverter bridge, related components and drive DC link capacitors enclosed in a metal
frame or enclosure. Intended for cabinet installation.
Inverter module
Inverter module(s) under control of one control unit, and related components. One
inverter unit typically controls one motor.
Inverter unit
IGBT supply unitISU
Inductor-capacitor-inductor filterLCL filter
Inductor filterL-filter
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,
eg, variable, constant, or signal.
Parameter
10 Introduction to the manual
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