1 General
BU 0200 en-US-4920
11
1 General
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The SK 2xxE series is based on the tried and tested NORD platform. The devices are characterized
by their compact design and optimum control characteristics, and have uniform parameterization.
The devices have sensorless current vector control with a wide range of settings. All three-phase
asynchronous motors that are suitable for inverter operation and permanent-magnet synchronous
motors can be operated in combination with suitable motor models, which always provide an
optimized voltage/frequency ratio. For the drive unit, this means very high starting and overload
torques with constant speed.
The power range is from 0.25 kW to 22.0 kW.
This series of devices can be adapted to individual requirements by means of modular assemblies.
This manual is based on the device software as stated in the version list (see P707). If the variable
frequency drive uses a different software version, this may cause differences. If necessary, the current
manual can be downloaded from the Internet (
Additional descriptions are available for optional functions and bus systems (
Information
Accessories
Changes may also be made to the accessories that are mentioned in the manual. Current details
about these are included in separate data sheets which are listed at
heading
Documentation → Manuals → Electronic Drive Solutions → Techn. Info/Data Sheet
. The
data sheets available at the date of publication of this manual are listed by name in the relevant
sections (TI ...).
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Installation directly on a motor is typical of this device series. Alternatively, optional accessories are
also available for mounting the devices close to the motor, e.g. on the wall or on a machine frame.
The internal RS232 interface (access via RJ12 connection) can be used to access all parameters. The
parameters are accessed via an optional Simple Box or Parameter Box, for example.
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Parameter settings modified by the operator are backed up in the integrated, non-volatile memory of
the device.
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