NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
104 BU 0200 en-3118
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4.3 Starting up the device
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The frequency inverter can be commissioned in various ways:
a)
For simple applications (e.g conveyor applications) by means of the DIP switches (S1) integrated
in the frequency inverter (internal) and the externally accessible potentiometers (SK 2x5E only).
In this configuration the plug-in EEPROM is not required.
b)
By means of parameter adaptations using the control and parametrisation box (SK CSX-3H or
SK PAR-3H) or the NORD CON PC - supported software.
The changes to the parameters in the plug-
in EEPROM ("memory module") are stored when
doing this. As of firmware V1.3, the data is automatically saved in the internal EEPROM if no
EEPROM is plugged in.
As of firmware V1.4 R2, the data will generally be stored in the internal EEPROM. The data is
stored in parallel on the external EEPROM.
For older firmware versions an external EEPROM must always be plugged in during operation in
order to permanently save changed parameter values.
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Presetting of physical I/O and I/O bits
For commissioning standard applications, a limited number of the frequency inverter inputs and outputs (physical
and I/O bits) have predefined functions. These settings may need to be changed (Parameters (P420), (P434),
(P480), (P481)).
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4.3.1 Connection
In order to provide basic operational capability, after the device has been attached to the motor or the
wall mounting kit, the power and motor lines must be connected to the relevant terminals
( Section 2.4.2 "Electrical connection of power unit").
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SK 2x5E: It is also essential for the device to be provided with a 24 V DC control voltage.
Information
Control voltage SK 2x5E:
The 24 V control voltage that is required can be implemented by means of an integrated (SK CU4-24V-…) or
external (SK TU4-24V-…) optional mains module or a comparable 24 V DC power source ( Section 2.4.3
"Electrical connection of the control unit").
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