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CHAPTER 2 APPLICATION OF PROGRAMMING
2
2.1 Memories and Files
2.1.1 Memories
(c) Transfer confirmation to the program memory
Program transfer to the program memory can be checked by the following.
• On the dialog box below
• SM681 and SD681
Whether the transfer is in execution or complete can be checked by SM165.
(2) Standard RAM
This memory stores file register files, local device files, sampling trace files, and module error collection files.
(3) Standard ROM
This memory stores data such as device comments and PLC user data.
(4) SD memory card
This memory stores programs and parameters. To execute a program stored in the SD memory card, perform a
boot operation. ( Page 71, Section 2.9)
An SD card memory is required when using the data logging function.
(5) Memory capacity
The following table shows the memory capacity of each memory.
CPU module Program memory Standard RAM Standard ROM SD memory card
L02CPU 80K bytes 128K bytes 512K bytes
L1MEM-2GBSD: 2G bytes,
L1MEM-4GBSD: 4G bytes
L26CPU-BT 1040K bytes 768K bytes 2048K bytes