Flash Memory Data Transfers - Omron CP1L CPU UNIT - 06-2007 Operation Manual

CP1L CPU Unit Operation
2-3-2

Flash Memory Data Transfers

Built-in Flash Memory
Writing to Flash Memory
Data
User program and This data is automatically transferred from RAM to flash mem-
parameter data ory when a project is transferred from the CX-Programmer,
when the data is written to RAM from a PT or other external
device, or when the data is transferred from a Memory Cas-
sette.
DM Area data This data is transferred to flash memory only when the trans-
fer is specified from the CX-Programmer.
Comment memory This data is written to flash memory when a project is trans-
data ferred from the CX-Programmer and transferring comment
memory is specified.
Function block This data is written to flash memory when a project containing
source data one or more function blocks is transferred from the CX-Pro-
grammer.
Write operation from CX-Programmer
or automatic transfer from Memory
Cassette at startup.
RAM
User program
area
Write
Write
Parameter area
I/O memory area
DM Area
Battery
Backup
Write (comment memory specified)
Write
FB = Function block
Transfer method
CPU Unit
Built-in flash memory
User program
area
Automatic write
Automatic write Parameter area
Write operation
to flash memory
DM Area initial
Write
values
Comment memory
area
FB source memory
area
Section 2-3
67