1 General
BU 0200 en-3118 13
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1.1 Overview
This manual describes two very similar basic versions of the SK 200E product family
(NORDAC FLEX).
Wherever the SK 2xxE is mentioned in the following, this refers to information that applies to all
devices in this family.
If the information exclusively applies to the versions SK 205E / SK 215E / SK 225E / SK 235E, this is
apparent from the designation SK 2x5E.
If the information only applies to versions SK 200E / SK 210E / SK 220E / SK 230E, this is
recognisable from the designation SK 2x0E.
Basic properties
• High starting torque and precise motor speed control setting by means of sensorless current vector
control
• Can be installed directly on, or close to the motor.
• Permissible ambient temperature -25°C to 50°C (please refer to technical data)
• Integrated EMC mains filter for limit curve A Category C2 or C3 (not with 115 V devices)
• Automatic measurement of the stator resistance and determination of the precise motor data
possible
• Programmable direct current braking
• Built-in brake chopper for 4-quadrant operation, optional braking resistors (internal/external)
• Separate temperature sensor input (TF+/TF-)
• Evaluation of an incremental encoder via digital inputs possible
• NORD system bus for linking modular additional modules
• Four separate parameter sets that can be changed over online
• 8x DIP switches for minimal configuration
• LEDs for diagnosis (SK 2x5E incl. DI/DO signal statuses)
• RS232/485 interface via RJ12 plug
• Plug-in data memory (EEPROM)
• Integrated "POSICON" positioning control ( BU 0210
)
• CANopen absolute value encoder evaluation via the NORD system bus
• Operation of three-phase current asynchronous motors (ASM) and Permanent Magnet
Synchronous Motors (PMSM)
• Integrated PLC ( BU 0550
)
Differences between the individual versions (SK 200E / SK 205E / … SK 235E) are summarised in the
following table and will be described in this manual.
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