1 General
BU 0155 en-3520 9
1 General
The SK 1x5E-FDS series is based on the tried and tested NORD platform. The devices are
characterised by their compact design and optimum operating characteristics, and have uniform
parametrisation.
A two-phase phase section enables both motor start and soft start. The phase section procedure is
chosen so that the resulting alternating torques are kept as low as possible. A comprehensive
spectrum of monitoring functions rounds off the portfolio.
Thanks to the versatile setting options, all three-phase asynchronous motors can be operated.
The motor starter is principally designed for a three-phase mains connection. The power range is from
0.25 kW to 3.0 kW.
The device series 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 motor
starter uses a different software version, this may cause differences. If necessary, the current manual
can be downloaded from the internet (http//www.nord.com/
).
Additional descriptions exist for optional functions and bus systems (http//www.nord.com/).
Accessories
The accessories listed in the manual are also subject to changes. Current details of
included in separate data sheets, which you can find under http//www.nord.com/ under the heading
Documentation → Manuals → Electronic drive technology → Find techical information/data sheet.
The data sheets available at the date of publication of this manual are listed by name in the relevant
sections (TI ...).
The device series’ various versions result in differences between the functionalities (e.g. with
integrated AS-Interface or integrated PROFIBUS DP bus interface).
The simplest configuration allows for the setting of all important parameters using up to four
potentiometers and four DIP switches without a PC or control device. LEDs are available for
diagnosing the operating states. The use of a control module is therefore not mandatory.
A typical feature of this frequency inverter series is their installation close to the motor, e.g. on the wall
or on a machine frame.
All electrical connections (power connections and control connections) are made with plug connectors.
This considerably simplifies the installation of the frequency inverter and opening the FI is not
necessary.
In order to obtain access to all parameters, the internal RS232 interface (access via RJ12 connection)
can be used. Access to the parameters is made e.g. via an optional SimpleBox or ParameterBox.
The parameter settings modified by the owner/operator must be saved in the Flash memory of the
device (P550). Otherwise the changed parameter settings would be lost when the device was
switched off.
The device is configured according to the customer’s individual requirements. The device equipment is
therefore realised ex works. Later retrofittings of options or device conversions are not planned.
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