11-6-3
Initializing SD Memory Cards
1 Insert the SD Memory Card into the CPU Unit.
2 Use the Sysmac Studio to initialize the SD Memory Card.
11-6-4
Format of Variable Data
Binary Format
This is a data format used for binary data specified by the ladder instructions, FileReadVar (Read Vari-
ables File) and FileW
riteVar (Save Variables File), in the CPU Unit.
You can also read and save arrays and structures.
Data is created as shown below when the data of variable Var_A is placed in an attached file in binary
format.
Var_A
16
#1234
16#4567
16#abcd
16#0987
12344567
abcd0987
Binary file
Var
iable values are
written to the binary
file in sequence
from the beginning.
SaveVar instruction
executed.
SD Memory Card
Additional Information
• When you handle a binary file on the NJ/NX-series CPU Unit, always specify the binary data
type with the type command before you read or write the file via FTP
. (Refer to 11-5-2 Using
the Commands on page 11-11.)
• For details on how to use ladder diagram instructions to process files, refer to the NJ/NX-
series Instructions Reference Manual (Cat. No. W502).
11 FTP Server
11-20
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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