4 Commissioning
BU 0200 en-3118 111
Downward compatibility:
In principle it is permissible to operate older generation frequency inverters with an EEPROM from a
newer generation and vice versa.
NB:
Before the exchange of data, in addition to the firmware status (software versions) of the two
frequency inverters it is also necessary to compare the hardware versions of the frequency inverters
and the EEPROMS, because:
– Frequency inverters with the hardware status "EAA" can only read the data from a first
generation EEPROM (EEPROM without label). The EEPROM cannot be written by the
frequency inverter, so that parameter changes are only saved in the device itself and are no
longer saved in the EEPROM
– Frequency inverters with the hardware status "AAA" can read and write the data from a second
generation EEPROM (EEPROM with label). However, only the data which is saved on the
EEPROM which can be processed by the frequency inverter due to its older construction status
are used (incompatibility).
During the transfer of data records between devices with different firmware statuses (software versions) in which
the replacement device has an older status than the defective device, incompatibilities between individual
functions may occur. Because of this, we recommend an update of the firmware to the currently available
software status for the generation of the device.
After the data transfer we recommend that the EEPROM which is included in the scope of delivery of
the device is re-inserted in the replacement device and the data from the device are copied into the
EEPROM
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4.3.3.2 Copy function
The copy function is located in Parameter P550 and is described in detail in the manual. In addition,
a copy function is available, which is triggered independently from Parameter P550, simply by setting
a DIP switch.
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4.3.3.3 Copy function DIP switches S1 – 6 "COPY"
Through the new function of the DIP switch element S1-6 ("COPY") transfer of data from the external
to the internal EEPROM has been made even simpler.
If a 0 ïƒ 1 flank is detected on the DIP switch element S1-6 when the frequency inverter is restarted,
copying of data from the plug-in EEPROM to the internal EEPROM is triggered.
The copying process takes several seconds. During the copying process, the status LED rapidly
flashes red-green alternately.
• If an error is detected during copying of the data, the process is interrupted and an error message
(E008.2 "External copying error") is generated.
• If no plug-in EEPROM is detected (not available or defective), the process is interrupted and an
error message (E008.2 "External copying error") is generated.
• Interruption of the data transfer, e.g. due to premature switch-off of the mains voltage or the control
voltage of the inverter, interrupts the copying process. No error message is generated! The
interruption can only be identified by checking the parameter settings of the frequency inverter.
If necessary, the copying process must be repeated.
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