Categorization by number of strings and option code
The number of strings identifies information which concerns only a certain DC feeder unit
design: the unit with one, two or three parallel strings (ST1, ST2 or ST3). The identifier is
shown on the type designation label and in the technical data for each DC feeder unit type.
The option code (A123) identifies information which concerns only a certain optional
selection. The options included in the unit are listed on the type designation label.
Use of component designations
Some device names in the manual include the item designation in brackets, for example
[Q20], to make it possible to identify the components in the circuit diagrams of the drive.
Terms and abbreviations
Description
Term
Connection point for an external energy storage to the DC bus of a drive system.
DC feeder unit
Frequency converter for controlling AC motors
Drive
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
Supply module(s) under control of one control unit, and related components.
Supply unit
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Code
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10 Introduction to the manual
Содержание ACS880-7107LC DC
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