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Programming Guide 3-19
ESG Family Signal Generators Remote Data Transfer
User File Data Downloads
Sample Command Line :MEMory:DATA:BIT "<file name>", <bit count>, #ABC
"<file name>" the name of the user file within the signal generator.
<bit count> the number of significant bits in the data block.
A the number of decimal digits to follow in B.
B a decimal number specifying the number of data bytes in C.
C the binary user file data.
Example 1 :MEMory:DATA:BIT "userfile1", 16, #12Qz
userfile1 provides the user file name as it will appear in the signal generator’s
binary memory catalog.
1 defines the number of decimal digits to follow in “B”.
2 denotes how many bytes of data are to follow.
Qz the ASCII representation of the 16 bits of data that are downloaded to the
signal generator. This variable is represented by “C” in the sample
command line.
NOTE Not all binary values can be printed as ASCII characters. In fact, only ASCII
characters corresponding to decimal values 32 to 126 are printable keyboard
characters. Typically, the binary value corresponding to your 8-bit pattern is
not printable.
Therefore, the program written to download and upload user files must
correctly convert between binary and the visible representation of the data
sequence.
Querying the Waveform Data Use the following SCPI command line to upload user file
data from the binary memory catalog to the controller:
:MEMory:DATA:BIT? "<file name>"
The output format is the same as the input format.
Binary Memory Catalog Downloads
The binary memory catalog requires data formatted in 8-bit bytes. Files stored or
downloaded to the Binary catalog are converted to bit files prior to editing in the Bit File
Editor. Afterward, these modified files from the binary memory catalog are stored in the
bit memory catalog as bit files.
The bit memory catalog provides more versatility and is the preferred memory catalog for
user file downloads.
SCPI Commands :MMEM:DATA "<file name>", <datablock>
Execute this command to download the user file data into the signal generator’s binary
memory catalog. The variable <file name> denotes the name that will be associated with
the downloaded user file within the signal generator.
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