NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
12 BU 0200 en-3118
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Up to firmware version 1.4 R1 the data was backed up in pluggable EEPROM. The EEPROM then
had to remain plugged in during operation.
In the simplest configuration (SK 2x0E size 4, SK 2x5E), even without the plugged-in EEPROM, all of
the most important parameters can be set using two potentiometers and eight DIP switches. LEDs are
provided for the diagnostics of the operating status. The use of a control module is therefore not
absolutely necessary.
Information
Adaptation of parameter structure
With the software version change from V1.1 R1 to V1.2 R0 of the frequency inverter, the structure of individual
parameters was changed (Section 5 "Parameter"
), e. g.: Up to version V 1.1 R2 (P417) was a single
parameter, but from version V1.2 R0 it was subdivided into two arrays ((P417) [-01] and [-02]).
When an EEPROM from a frequency inverter with an earlier software version is plugged into a frequency inverter
with software version V1.2 or higher, the stored data is automatically converted to the new format. New
parameters are stored with the default setting. This therefore provides correct functionality.
However, it is not permissible to plug in an EEPROM (memory module) with a software version of V1.2 or
above into a frequency inverter with a previous software version, since this would lead to loss of all data.
DIP switch function change
The functional assignment of DIP switch S1-6 was changed in the software version change from V1.4 R1 to V1.4
R2 of the frequency inverter ( Section 4.3.2.2 "DIP switches (S1)"). The U/F function (changeover between ISD
control and the U/F characteristic curve) was replaced with the "COPY" function (triggering of data exchange
from external EEPROM (memory module) to the internal EEPROM).
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