Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide 357
Creating and Downloading User–Data Files
Pattern RAM (PRAM) Data Downloads
download the file to the same signal generator or to another signal generator
with the proper option configuration that supports the downloaded file. There
are two ways to download a file after extraction:
— with the ability to extract later
— with no extraction capability
Command Syntax
This section lists the commands for extracting PRAM files and downloading
extracted PRAM files. To download an extracted file, you must use block data.
For information on block data, see “SCPI Command for a Block Data
Download” on page 351. In addition, there are three ways to format the
file_name variable, which must also include the file path, as shown in the
following tables.
There are two commands for file extraction:
— :MEM:DATA? <"file_name">
— :MMEM:DATA? <"filename">
The following table uses the first command to illustrate the command format,
however the format is the same if you use the second command.
Ensure that you do not use the :MEMory:DATA:PRAM:FILE:BLOCk command to
download an extracted file. If you use this command, the signal generator will treat the file as a
new PRAM file and translate the LSB of each byte into a 32–bit word, corrupting the file data.
Table 6-11 Extracting a PRAM File
Extraction
Method/Memory Type
Command Syntax Options
SCPI/volatile memory :MEM:DATA? "WFM1:file_name"
:MEM:DATA? "file_name@WFM1"
:MEM:DATA? "/user/bbg1/waveform/file_name"
SCPI/non–volatile
memory
:MEM:DATA? "NVWFM:file_name"
:MEM:DATA? "file_name@NVWFM"
:MEM:DATA? "/user/waveform/file_name"
FTP/volatile memory
a
get /user/bbg1/waveform/file_name
FTP/non–volatile
memory
a
get /user/waveform/file_name
a. See “FTP Procedures” on page 342.
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