67
CP1L CPU Unit Operation
Section 2-3
2-3-2
Flash Memory Data Transfers
Built-in Flash Memory
Writing to Flash Memory
Data
Transfer method
User program and
parameter data
This data is automatically transferred from RAM to flash mem-
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
data
This data is written to flash memory when a project is trans-
ferred from the CX-Programmer and transferring comment
memory is specified.
Function block
source data
This data is written to flash memory when a project containing
one or more function blocks is transferred from the CX-Pro-
grammer.
RAM
Write operation from CX-Programmer
or automatic transfer from Memory
Cassette at startup.
Write
Write
User program
area
Parameter area
I/O memory area
DM Area
Battery
Backup
Write (comment memory specified)
Write
Automatic write
Automatic write
Write
Built-in flash memory
User program
area
Parameter area
DM Area initial
values
Comment memory
area
FB source memory
area
CPU Unit
FB = Function block
Write operation
to flash memory
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...