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Digitax HD M753 Control User Guide
131
Issue Number: 3
10.3 Transferring data
Data transfer, erasing and protecting the information is performed by entering a code in Pr mm.000 and then resetting the drive as shown in Table 10-
1.
Table 10-1 SD card codes
Where yyy indicates the block number 001 to 999.
If the read only flag is set then only codes 6yyy or 9777 are effective.
10.3.1 Writing to the SD Card
4yyy - Writes defaults differences to the SD Card
The data block only contains the parameter differences from the last
time default settings were loaded.
All parameters except those with the NC (Not copied) coding bit set are
transferred to the SD Card. In addition to these parameters all menu
20 parameters (except Pr
20.000 ), can be transferred to the SD Card.
Writing a parameter set to the SD Card
(Pr 00.030 = Program (2))
Setting Pr 00.030 to Program (2) and resetting the drive will save the
parameters to the SD Card, i.e. this is equivalent to writing 4001 to
Pr
mm.000 . All SD Card trips apply except 'Card Change'. If the data
block already exists it is automatically overwritten. When the action is
complete this parameter is automatically reset to None (0).
10.3.2 Reading from the SD Card
6yyy - Reading from SD Card
When the data is transferred back to the drive, using 6yyy in Pr mm.000 ,
it is transferred to the drive RAM and the EEPROM. A parameter save is
not required to retain the data after-power down. Set up data for any
option modules installed stored on the card are transferred to the drive.
If the option modules installed are different between source and
destination drives, the menus for the option module slots where the
option module categories are different are not updated from the card and
will contain their default values after the copying action. The drive will
produce a 'Card Option' trip if the option module installed to the source
and the destination drives are different or are in different slots. If the data
is being transferred to the drive with different voltage or current rating a
'Card Rating' trip will occur.
The following drive rating dependant parameters (RA coding bit set)
will not be transferred to the destination drive by a SD Card when the
voltage rating of the destination drive is different from the source drive
and the file is a parameter file.
However, drive rating dependent parameters will be transferred if only
the current rating is different. If drive rating dependant parameters are
not transferred to the destination drive they will contain their default
values.
Pr 02.008 Standard Ramp Voltage
Pr 04.005 to Pr 04.007 and Pr 21.027 to Pr 21.029 Motoring Current
Limits
Pr 04.024 , User Current Maximum Scaling
Pr 05.007 , Pr 21.007 Rated Current
Pr 05.009 , Pr 21.009 Rated Voltage
Pr 05.010 , Pr 21.010 Rated Power Factor
Pr 05.017 , Pr 21.012 Stator Resistance
Pr 05.018 Maximum Switching Frequency
Pr 05.024 , Pr 21.014 Transient Inductance
Pr 05.025 , Pr 21.024 Stator Inductance
Pr 06.006 Injection Braking Level
Pr 06.048 Supply Loss Detection Level
Pr 06.065 Standard Under Voltage Threshold
Pr 06.066 Low Under Voltage Threshold
Pr 06.073 Braking IGBT Lower Threshold
Pr 06.074 Braking IGBT Upper Threshold
Pr 06.075 Low Voltage Braking IGBT Threshold
Reading a parameter set from the SD Card
(Pr 00.030 = Read (1))
Setting Pr 00.030 to Read (1) and resetting the drive will transfer the
parameters from the card into the drive parameter set and the drive
EEPROM, i.e. this is equivalent to writing 6001 to Pr
mm.000 .
All SD Card trips apply. Once the parameters are successfully copied
this parameter is automatically reset to None (0). Parameters are saved
to the drive EEPROM after this action is complete.
10.3.3 Auto saving parameter changes
(Pr 00.030 = Auto (3))
This setting causes the drive to automatically save any changes made to
menu 0 parameters on the drive to the SD Card. The latest menu 0
parameter set in the drive is therefore always backed up on the
SD Card. Changing Pr
00.030 to Auto (3) and resetting the drive will
immediately save the complete parameter set from the drive to the card,
i.e. all parameters except parameters with the NC coding bit set. Once
the whole parameter set is stored only the individual modified menu 0
parameter setting is updated.
Advanced parameter changes are only saved to the SD Card when
Pr
mm.000 is set to 'Save Parameters' or a 1001 and the drive reset.
All SD Card trips apply, except 'Card Change'. If the data block already
contains information it is automatically overwritten.
Code Operation SD card
2001
Transfer the drive parameters to parameter file 001 and sets the block as bootable. This will include the parameters
from attached option modules.

4yyy Transfer the drive parameters to parameter file yyy. This will include the parameters from attached option modules.

5yyy Transfer the onboard user program to onboard user program file yyy.

6yyy Load the drive parameters from parameter file yyy or the onboard user program from onboard user program file yyy.

7yyy Erase file yyy.

8yyy
Compare the data in the drive with file yyy. If the files are the same then Pr mm.000 ( mm.000 ) is simply reset to 0 when
the compare is complete. If the files are different a ‘Card Compare’ trip is initiated. All other SD card trips also apply.

9555 Clear the warning suppression flag

9666 Set the warning suppression flag

9777 Clear the read-only flag

9888 Set the read-only flag

9999 Erase and format the SD card
NOTE